Add generic C.UTF-8 locale (Bug 17318)

We add a new C.UTF-8 locale.  This locale is not builtin to glibc, but
is provided as a distinct locale.  The locale provides full support
for UTF-8 and this includes full code point sorting via strcmp-based
collation.

The collation uses a new keyword 'strcmp_collation' which drops all
collation rules and generates an empty zero rules collation to enable
strcmp usage in collation. This ensures that we get full code point
sorting for C.UTF-8 with a minimal 92 bytes of overhead (LC_COLLATE
structure information).

The new locale is added to SUPPORTED.  Minimal test data for specific
code points (minus those not supported by collate-test) is provided
in C.UTF-8.in, and this verifies code point sorting is working
reasonably across the range.  The locale was tested manually with the
full set of code points without failure.

The locale is harmonized with locales already shipping in Gentoo,
Debian, Ubuntu, Fedora, CentOS Stream, and RHEL. A new tst-iconv9 test
is added which verifies the C.UTF-8 locale is generally usable.

Testing for fnmatch, regexec, and recomp is provided by extending
bug-regex1, bugregex19, bug-regex4, bug-regex6, transbug, tst-fnmatch,
tst-regcomp-truncated, and tst-regex to use C.UTF-8.

Tested on x86_64 or i686 without regression.

.b4-config

@@ -1,4 +0,0 @@
-[b4]
-    midmask = https://inbox.sourceware.org/%s
-    linkmask = https://inbox.sourceware.org/%s
-    send-series-to = libc-alpha@sourceware.org

.clang-format

@@ -1,156 +0,0 @@
-#  clang-format file for GLIBC
-#  Copyright (C) 2022-2026 Free Software Foundation, Inc.
-#  This file is part of the GNU C Library.
-#
-#  The GNU C Library is free software; you can redistribute it and/or
-#  modify it under the terms of the GNU Lesser General Public
-#  License as published by the Free Software Foundation; either
-#  version 2.1 of the License, or (at your option) any later version.
-#
-#  The GNU C Library is distributed in the hope that it will be useful,
-#  but WITHOUT ANY WARRANTY; without even the implied warranty of
-#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-#  Lesser General Public License for more details.
-#
-#  You should have received a copy of the GNU Lesser General Public
-#  License along with the GNU C Library; if not, see
-#  <https://www.gnu.org/licenses/>.
-#
-#  Requires clang-format version >= 11.0
-#
-#  For more information, see:
-#
-#   https://clang.llvm.org/docs/ClangFormat.html
-#   https://clang.llvm.org/docs/ClangFormatStyleOptions.html
-#
-#  There are some known cases that this doesn't produce the desired
-#  style (i.e Preprocessor Directives are over-indented and not
-#  auto-commented). As a result, this is meant to be a utility to make
-#  formatting easier, not a definitive standard.
-#
-#  To format the current git diff inplace (-i) the follow command can
-#  be used:
-#  $> git diff -U0 --no-color HEAD^ | clang-format-diff -i -p1
-#
-#  To just view the diff clang-format would generate:
-#  $> git diff -U0 --no-color HEAD^ | clang-format-diff -p1
-#
-#  NB: clang-format-diff, along with other clang-format related tools,
-#      can be found at: /path/to/llvm-project/clang/tools/clang-format/
-#
-#
-#  Based on autogenerated format from:
-#  $> clang-format --style=GNU -dump-config
----
-AccessModifierOffset: -2
-AlignAfterOpenBracket: Align
-AlignConsecutiveMacros: false
-AlignConsecutiveAssignments: false
-AlignConsecutiveBitFields: false
-AlignConsecutiveDeclarations: false
-AlignEscapedNewlines: Right
-AlignOperands:   true
-AlignTrailingComments: true
-AllowAllArgumentsOnNextLine: true
-AllowAllParametersOfDeclarationOnNextLine: true
-AllowShortEnumsOnASingleLine: true
-AllowShortBlocksOnASingleLine: false
-AllowShortCaseLabelsOnASingleLine: false
-AllowShortFunctionsOnASingleLine: All
-AllowShortLambdasOnASingleLine: All
-AllowShortIfStatementsOnASingleLine: Never
-AllowShortLoopsOnASingleLine: false
-AlwaysBreakAfterDefinitionReturnType: All
-AlwaysBreakAfterReturnType: AllDefinitions
-AlwaysBreakBeforeMultilineStrings: false
-BinPackArguments: true
-BinPackParameters: true
-BraceWrapping:
-  AfterCaseLabel:  true
-  AfterClass:      true
-  AfterControlStatement: true
-  AfterEnum:       true
-  AfterFunction:   true
-  AfterNamespace:  true
-  AfterStruct:     true
-  AfterUnion:      true
-  AfterExternBlock: true
-  BeforeCatch:     true
-  BeforeElse:      true
-  BeforeWhile:     true
-  IndentBraces:    true
-  SplitEmptyFunction: true
-  SplitEmptyRecord: true
-  SplitEmptyNamespace: true
-BreakBeforeBinaryOperators: All
-BreakBeforeBraces: GNU
-BreakBeforeInheritanceComma: false
-BreakInheritanceList: BeforeColon
-BreakBeforeTernaryOperators: true
-BreakStringLiterals: true
-ColumnLimit:     79
-CommentPragmas:  '^ IWYU pragma:'
-CompactNamespaces: false
-ContinuationIndentWidth: 4
-Cpp11BracedListStyle: false
-DeriveLineEnding: true
-DerivePointerAlignment: false
-DisableFormat:   false
-ExperimentalAutoDetectBinPacking: false
-FixNamespaceComments: false
-IncludeBlocks:   Preserve
-IncludeCategories:
-  - Regex:           '.*'
-    Priority:        1
-IncludeIsMainRegex: '(Test)?$'
-IndentCaseLabels: false
-IndentCaseBlocks: false
-IndentGotoLabels: true
-IndentWidth:     2
-IndentPPDirectives: AfterHash
-IndentExternBlock: AfterExternBlock
-IndentWrappedFunctionNames: false
-InsertTrailingCommas: None
-KeepEmptyLinesAtTheStartOfBlocks: true
-MacroBlockBegin: ''
-MacroBlockEnd:   ''
-MaxEmptyLinesToKeep: 1
-NamespaceIndentation: None
-PenaltyBreakAssignment: 2
-PenaltyBreakBeforeFirstCallParameter: 19
-PenaltyBreakComment: 300
-PenaltyBreakFirstLessLess: 120
-PenaltyBreakString: 1000
-PenaltyExcessCharacter: 1000000
-PenaltyReturnTypeOnItsOwnLine: 60
-PointerAlignment: Right
-ReflowComments:  true
-SortIncludes:    false
-SortUsingDeclarations: true
-SpaceAfterCStyleCast: true
-SpaceAfterLogicalNot: false
-SpaceBeforeAssignmentOperators: true
-SpaceBeforeCpp11BracedList: false
-SpaceBeforeCtorInitializerColon: true
-SpaceBeforeInheritanceColon: true
-SpaceBeforeParens: Always
-SpaceBeforeRangeBasedForLoopColon: true
-SpaceInEmptyBlock: false
-SpaceInEmptyParentheses: false
-SpacesBeforeTrailingComments: 1
-SpacesInAngles:  false
-SpacesInConditionalStatement: false
-SpacesInContainerLiterals: true
-SpacesInCStyleCastParentheses: false
-SpacesInParentheses: false
-SpacesInSquareBrackets: false
-SpaceBeforeSquareBrackets: false
-Standard:        Cpp03
-TabWidth:        8
-UseTab:          Always
-ForEachMacros:
-  - 'FOR_EACH_IMPL'
-  - 'list_for_each'
-  - 'list_for_each_prev'
-  - 'list_for_each_prev_safe'
-...

COPYING

@@ -0,0 +1,339 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
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+                            Preamble
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+
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+  Ty Coon, President of Vice
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COPYING.LESSERv2

@@ -1,501 +0,0 @@
-                  GNU LESSER GENERAL PUBLIC LICENSE
-                       Version 2.1, February 1999
-
- Copyright (C) 1991, 1999 Free Software Foundation, Inc.
- <https://fsf.org/>
- Everyone is permitted to copy and distribute verbatim copies
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-
-[This is the first released version of the Lesser GPL.  It also counts
- as the successor of the GNU Library Public License, version 2, hence
- the version number 2.1.]
-
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-
-  The licenses for most software are designed to take away your
-freedom to share and change it.  By contrast, the GNU General Public
-Licenses are intended to guarantee your freedom to share and change
-free software--to make sure the software is free for all its users.
-
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COPYING.LIB

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COPYING.LIB

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COPYINGv2

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-of preserving the free status of all derivatives of our free software and
-of promoting the sharing and reuse of software generally.
-
-                            NO WARRANTY
-
-  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
-FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
-OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
-PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
-OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
-TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
-PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
-REPAIR OR CORRECTION.
-
-  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
-WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
-REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
-INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
-OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
-TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
-YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
-PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGES.
-
-                     END OF TERMS AND CONDITIONS
-
-            How to Apply These Terms to Your New Programs
-
-  If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
-  To do so, attach the following notices to the program.  It is safest
-to attach them to the start of each source file to most effectively
-convey the exclusion of warranty; and each file should have at least
-the "copyright" line and a pointer to where the full notice is found.
-
-    <one line to give the program's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License along
-    with this program; if not, see <https://www.gnu.org/licenses/>.
-
-Also add information on how to contact you by electronic and paper mail.
-
-If the program is interactive, make it output a short notice like this
-when it starts in an interactive mode:
-
-    Gnomovision version 69, Copyright (C) year name of author
-    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
-    This is free software, and you are welcome to redistribute it
-    under certain conditions; type `show c' for details.
-
-The hypothetical commands `show w' and `show c' should show the appropriate
-parts of the General Public License.  Of course, the commands you use may
-be called something other than `show w' and `show c'; they could even be
-mouse-clicks or menu items--whatever suits your program.
-
-You should also get your employer (if you work as a programmer) or your
-school, if any, to sign a "copyright disclaimer" for the program, if
-necessary.  Here is a sample; alter the names:
-
-  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
-  `Gnomovision' (which makes passes at compilers) written by James Hacker.
-
-  <signature of Moe Ghoul>, 1 April 1989
-  Moe Ghoul, President of Vice
-
-This General Public License does not permit incorporating your program into
-proprietary programs.  If your program is a subroutine library, you may
-consider it more useful to permit linking proprietary applications with the
-library.  If this is what you want to do, use the GNU Lesser General
-Public License instead of this License.

COPYINGv3

@@ -1,674 +0,0 @@
-                    GNU GENERAL PUBLIC LICENSE
-                       Version 3, 29 June 2007
-
- Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
-
-                            Preamble
-
-  The GNU General Public License is a free, copyleft license for
-software and other kinds of works.
-
-  The licenses for most software and other practical works are designed
-to take away your freedom to share and change the works.  By contrast,
-the GNU General Public License is intended to guarantee your freedom to
-share and change all versions of a program--to make sure it remains free
-software for all its users.  We, the Free Software Foundation, use the
-GNU General Public License for most of our software; it applies also to
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-your programs, too.
-
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-
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-you modify it: responsibilities to respect the freedom of others.
-
-  For example, if you distribute copies of such a program, whether
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-know their rights.
-
-  Developers that use the GNU GPL protect your rights with two steps:
-(1) assert copyright on the software, and (2) offer you this License
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-
-  The precise terms and conditions for copying, distribution and
-modification follow.
-
-                       TERMS AND CONDITIONS
-
-  0. Definitions.
-
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-arrangement, you convey, or propagate by procuring conveyance of, a
-covered work, and grant a patent license to some of the parties
-receiving the covered work authorizing them to use, propagate, modify
-or convey a specific copy of the covered work, then the patent license
-you grant is automatically extended to all recipients of the covered
-work and works based on it.
-
-  A patent license is "discriminatory" if it does not include within
-the scope of its coverage, prohibits the exercise of, or is
-conditioned on the non-exercise of one or more of the rights that are
-specifically granted under this License.  You may not convey a covered
-work if you are a party to an arrangement with a third party that is
-in the business of distributing software, under which you make payment
-to the third party based on the extent of your activity of conveying
-the work, and under which the third party grants, to any of the
-parties who would receive the covered work from you, a discriminatory
-patent license (a) in connection with copies of the covered work
-conveyed by you (or copies made from those copies), or (b) primarily
-for and in connection with specific products or compilations that
-contain the covered work, unless you entered into that arrangement,
-or that patent license was granted, prior to 28 March 2007.
-
-  Nothing in this License shall be construed as excluding or limiting
-any implied license or other defenses to infringement that may
-otherwise be available to you under applicable patent law.
-
-  12. No Surrender of Others' Freedom.
-
-  If conditions are imposed on you (whether by court order, agreement or
-otherwise) that contradict the conditions of this License, they do not
-excuse you from the conditions of this License.  If you cannot convey a
-covered work so as to satisfy simultaneously your obligations under this
-License and any other pertinent obligations, then as a consequence you may
-not convey it at all.  For example, if you agree to terms that obligate you
-to collect a royalty for further conveying from those to whom you convey
-the Program, the only way you could satisfy both those terms and this
-License would be to refrain entirely from conveying the Program.
-
-  13. Use with the GNU Affero General Public License.
-
-  Notwithstanding any other provision of this License, you have
-permission to link or combine any covered work with a work licensed
-under version 3 of the GNU Affero General Public License into a single
-combined work, and to convey the resulting work.  The terms of this
-License will continue to apply to the part which is the covered work,
-but the special requirements of the GNU Affero General Public License,
-section 13, concerning interaction through a network will apply to the
-combination as such.
-
-  14. Revised Versions of this License.
-
-  The Free Software Foundation may publish revised and/or new versions of
-the GNU General Public License from time to time.  Such new versions will
-be similar in spirit to the present version, but may differ in detail to
-address new problems or concerns.
-
-  Each version is given a distinguishing version number.  If the
-Program specifies that a certain numbered version of the GNU General
-Public License "or any later version" applies to it, you have the
-option of following the terms and conditions either of that numbered
-version or of any later version published by the Free Software
-Foundation.  If the Program does not specify a version number of the
-GNU General Public License, you may choose any version ever published
-by the Free Software Foundation.
-
-  If the Program specifies that a proxy can decide which future
-versions of the GNU General Public License can be used, that proxy's
-public statement of acceptance of a version permanently authorizes you
-to choose that version for the Program.
-
-  Later license versions may give you additional or different
-permissions.  However, no additional obligations are imposed on any
-author or copyright holder as a result of your choosing to follow a
-later version.
-
-  15. Disclaimer of Warranty.
-
-  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
-APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
-HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
-OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
-THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
-IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
-ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
-
-  16. Limitation of Liability.
-
-  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
-WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
-THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
-GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
-USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
-DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
-PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
-EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGES.
-
-  17. Interpretation of Sections 15 and 16.
-
-  If the disclaimer of warranty and limitation of liability provided
-above cannot be given local legal effect according to their terms,
-reviewing courts shall apply local law that most closely approximates
-an absolute waiver of all civil liability in connection with the
-Program, unless a warranty or assumption of liability accompanies a
-copy of the Program in return for a fee.
-
-                     END OF TERMS AND CONDITIONS
-
-            How to Apply These Terms to Your New Programs
-
-  If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
-  To do so, attach the following notices to the program.  It is safest
-to attach them to the start of each source file to most effectively
-state the exclusion of warranty; and each file should have at least
-the "copyright" line and a pointer to where the full notice is found.
-
-    <one line to give the program's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-Also add information on how to contact you by electronic and paper mail.
-
-  If the program does terminal interaction, make it output a short
-notice like this when it starts in an interactive mode:
-
-    <program>  Copyright (C) <year>  <name of author>
-    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
-    This is free software, and you are welcome to redistribute it
-    under certain conditions; type `show c' for details.
-
-The hypothetical commands `show w' and `show c' should show the appropriate
-parts of the General Public License.  Of course, your program's commands
-might be different; for a GUI interface, you would use an "about box".
-
-  You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU GPL, see
-<https://www.gnu.org/licenses/>.
-
-  The GNU General Public License does not permit incorporating your program
-into proprietary programs.  If your program is a subroutine library, you
-may consider it more useful to permit linking proprietary applications with
-the library.  If this is what you want to do, use the GNU Lesser General
-Public License instead of this License.  But first, please read
-<https://www.gnu.org/licenses/why-not-lgpl.html>.

INSTALL

@@ -7,7 +7,8 @@ and describes problems you may experience with compilation and
 installation.
 
    You will need recent versions of several GNU tools: definitely GCC
-and GNU Make, and possibly others.  See Tools for Compilation, below.
+and GNU Make, and possibly others.  *Note Tools for Compilation::,
+below.
 
 Configuring and compiling the GNU C Library
 ===========================================
@@ -48,12 +49,6 @@ if 'CFLAGS' is specified it must enable optimization.  For example:
 
      $ ../glibc-VERSION/configure CC="gcc -m32" CFLAGS="-O3"
 
-   To test the GNU C Library with a different set of C and C++
-compilers, 'TEST_CC=COMPILER' and 'TEST_CXX=COMPILER' arguments can be
-passed to 'configure'.  For example:
-
-     $ ../glibc-VERSION/configure TEST_CC="gcc-6.4.1" TEST_CXX="g++-6.4.1"
-
    The following list describes all of the available options for
 'configure':
 
@@ -111,32 +106,21 @@ passed to 'configure'.  For example:
      particular case and potentially change debugging information and
      metadata only).
 
-'--with-rtld-early-cflags=CFLAGS'
-     Use additional compiler flags CFLAGS to build the early startup
-     code of the dynamic linker.  These flags can be used to enable
-     early dynamic linker diagnostics to run on CPUs which are not
-     compatible with the rest of the GNU C Library, for example, due to
-     compiler flags which target a later instruction set architecture
-     (ISA).
-
-'--with-timeoutfactor=NUM'
-     Specify an integer NUM to scale the timeout of test programs.  This
-     factor can be changed at run time using 'TIMEOUTFACTOR' environment
-     variable.
-
 '--disable-shared'
      Don't build shared libraries even if it is possible.  Not all
      systems support shared libraries; you need ELF support and
      (currently) the GNU linker.
 
-'--disable-default-pie'
-     Don't build glibc programs and the testsuite as position
-     independent executables (PIE). By default, glibc programs and tests
-     are created as position independent executables on targets that
-     support it.  If the toolchain and architecture support it, static
-     executables are built as static PIE and the resulting glibc can be
-     used with the GCC option, -static-pie, which is available with GCC
-     8 or above, to create static PIE.
+'--enable-static-pie'
+     Enable static position independent executable (static PIE) support.
+     Static PIE is similar to static executable, but can be loaded at
+     any address without help from a dynamic linker.  All static
+     programs as well as static tests are built as static PIE, except
+     for those marked with no-pie.  The resulting glibc can be used with
+     the GCC option, -static-pie, which is available with GCC 8 or
+     above, to create static PIE. This option also implies that glibc
+     programs and tests are created as dynamic position independent
+     executables (PIE) by default.
 
 '--enable-cet'
 '--enable-cet=permissive'
@@ -146,25 +130,49 @@ passed to 'configure'.  For example:
      indirect branch tracking (IBT) and shadow stack (SHSTK).  When CET
      is enabled, the GNU C Library is compatible with all existing
      executables and shared libraries.  This feature is currently
-     supported on x86_64 and x32 with GCC 8 and binutils 2.29 or later.
-     With '--enable-cet', it is an error to dlopen a non CET enabled
-     shared library in CET enabled application.  With
-     '--enable-cet=permissive', CET is disabled when dlopening a non CET
-     enabled shared library in CET enabled application.
+     supported on i386, x86_64 and x32 with GCC 8 and binutils 2.29 or
+     later.  Note that when CET is enabled, the GNU C Library requires
+     CPUs capable of multi-byte NOPs, like x86-64 processors as well as
+     Intel Pentium Pro or newer.  With '--enable-cet', it is an error to
+     dlopen a non CET enabled shared library in CET enabled application.
+     With '--enable-cet=permissive', CET is disabled when dlopening a
+     non CET enabled shared library in CET enabled application.
 
-     NOTE: '--enable-cet' is only supported on x86_64 and x32.
+     NOTE: '--enable-cet' has been tested for i686, x86_64 and x32 on
+     non-CET processors.  '--enable-cet' has been tested for i686,
+     x86_64 and x32 on CET processors.
+
+'--enable-memory-tagging'
+     Enable memory tagging support if the architecture supports it.
+     When the GNU C Library is built with this option then the resulting
+     library will be able to control the use of tagged memory when
+     hardware support is present by use of the tunable
+     'glibc.mem.tagging'.  This includes the generation of tagged memory
+     when using the 'malloc' APIs.
+
+     At present only AArch64 platforms with MTE provide this
+     functionality, although the library will still operate (without
+     memory tagging) on older versions of the architecture.
+
+     The default is to disable support for memory tagging.
 
 '--disable-profile'
      Don't build libraries with profiling information.  You may want to
      use this option if you don't plan to do profiling.
 
+'--enable-static-nss'
+     Compile static versions of the NSS (Name Service Switch) libraries.
+     This is not recommended because it defeats the purpose of NSS; a
+     program linked statically with the NSS libraries cannot be
+     dynamically reconfigured to use a different name database.
+
 '--enable-hardcoded-path-in-tests'
      By default, dynamic tests are linked to run with the installed C
      library.  This option hardcodes the newly built C library path in
      dynamic tests so that they can be invoked directly.
 
 '--disable-timezone-tools'
-     By default, time zone related utilities ('zic', 'zdump', and
+     By default, timezone related utilities ('zic', 'zdump', and
      'tzselect') are installed with the GNU C Library.  If you are
      building these independently (e.g.  by using the 'tzcode' package),
      then this option will allow disabling the install of these.
@@ -192,8 +200,8 @@ passed to 'configure'.  For example:
      slightly increased program load times.
 
 '--enable-pt_chown'
-     The file 'pt_chown' is a helper binary for 'grantpt' (see
-     Pseudo-Terminals: Allocation) that is installed setuid root to fix
+     The file 'pt_chown' is a helper binary for 'grantpt' (*note
+     Pseudo-Terminals: Allocation.) that is installed setuid root to fix
      up pseudo-terminal ownership on GNU/Hurd.  It is not required on
      GNU/Linux, and the GNU C Library will not use the installed
      'pt_chown' program when configured with '--enable-pt_chown'.
@@ -209,22 +217,41 @@ passed to 'configure'.  For example:
      By default for x86_64, the GNU C Library is built with the vector
      math library.  Use this option to disable the vector math library.
 
-'--disable-static-c++-tests'
-     By default, if the C++ toolchain lacks support for static linking,
-     configure fails to find the C++ header files and the glibc build
-     fails.  '--disable-static-c++-link-check' allows the glibc build to
-     finish, but static C++ tests will fail if the C++ toolchain doesn't
-     have the necessary static C++ libraries.  Use this option to skip
-     the static C++ tests.  This option implies
-     '--disable-static-c++-link-check'.
+'--enable-tunables'
+     Tunables support allows additional library parameters to be
+     customized at runtime.  This feature is enabled by default.  This
+     option can take the following values:
 
-'--disable-static-c++-link-check'
-     By default, if the C++ toolchain lacks support for static linking,
-     configure fails to find the C++ header files and the glibc build
-     fails.  Use this option to disable the static C++ link check so
-     that the C++ header files can be located.  The newly built libc.a
-     can be used to create static C++ tests if the C++ toolchain has the
-     necessary static C++ libraries.
+     'yes'
+          This is the default if no option is passed to configure.  This
+          enables tunables and selects the default frontend (currently
+          'valstring').
+
+     'no'
+          This option disables tunables.
+
+     'valstring'
+          This enables tunables and selects the 'valstring' frontend for
+          tunables.  This frontend allows users to specify tunables as a
+          colon-separated list in a single environment variable
+          'GLIBC_TUNABLES'.
+
+'--disable-crypt'
+     Do not install the passphrase-hashing library 'libcrypt' or the
+     header file 'crypt.h'.  'unistd.h' will still declare the function
+     'crypt'.  Using this option does not change the set of programs
+     that may need to be linked with '-lcrypt'; it only means that the
+     GNU C Library will not provide that library.
+
+     This option is for hackers and distributions experimenting with
+     independently-maintained implementations of libcrypt.  It may
+     become the default in a future release.
+
+'--disable-experimental-malloc'
+     By default, a per-thread cache is enabled in 'malloc'.  While this
+     cache can be disabled on a per-application basis using tunables
+     (set glibc.malloc.tcache_count to zero), this option can be used to
+     remove it from the build completely.
 
 '--disable-scv'
      Disable using 'scv' instruction for syscalls.  All syscalls will
@@ -263,22 +290,6 @@ passed to 'configure'.  For example:
      the GNU C Library.  The default value refers to the main
      bug-reporting information for the GNU C Library.
 
-'--enable-fortify-source'
-'--enable-fortify-source=LEVEL'
-     Use -D_FORTIFY_SOURCE='LEVEL' to control hardening in the GNU C
-     Library.  If not provided, 'LEVEL' defaults to highest possible
-     value supported by the build compiler.
-
-     Default is to disable fortification.
-
-'--enable-sframe'
-     Experimental option supported by some architectures, where the GNU
-     C Library is built with '-Wa,--gsframe' if 'binutils' supports it.
-     Currently this is only supported on x86_64 and aarch64.  The option
-     enables SFrame support on 'backtrace'.
-
-     Default is to disable SFrame support.
-
    To build the library and related programs, type 'make'.  This will
 produce a lot of output, some of which may look like errors from 'make'
 but aren't.  Look for error messages from 'make' containing '***'.
@@ -296,10 +307,10 @@ an appropriate numeric parameter to 'make'.  You need a recent GNU
    To build and run test programs which exercise some of the library
 facilities, type 'make check'.  If it does not complete successfully, do
 not use the built library, and report a bug after verifying that the
-problem is not already known.  See Reporting Bugs, for instructions on
-reporting bugs.  Note that some of the tests assume they are not being
-run by 'root'.  We recommend you compile and test the GNU C Library as
-an unprivileged user.
+problem is not already known.  *Note Reporting Bugs::, for instructions
+on reporting bugs.  Note that some of the tests assume they are not
+being run by 'root'.  We recommend you compile and test the GNU C
+Library as an unprivileged user.
 
    Before reporting bugs make sure there is no problem with your system.
 The tests (and later installation) use some pre-existing files of the
@@ -427,9 +438,9 @@ a pseudoterminal so it can be used by the calling process.  If you are
 using a Linux kernel with the 'devpts' filesystem enabled and mounted at
 '/dev/pts', you don't need this program.
 
-   After installation you should configure the time zone ruleset and
-install locales for your system.  The time zone ruleset ensures that
-timestamps are processed correctly for your location.  The locales
+   After installation you should configure the timezone and install
+locales for your system.  The time zone configuration ensures that your
+system time matches the time for your current timezone.  The locales
 ensure that the display of information on your system matches the
 expectations of your language and geographic region.
 
@@ -455,11 +466,11 @@ root use 'DESTDIR' e.g. 'make localedata/install-locale-files
 DESTDIR=/opt/glibc', but note that this does not change the configured
 prefix.
 
-   To configure the time zone ruleset, set the 'TZ' environment
+   To configure the locally used timezone, set the 'TZ' environment
 variable.  The script 'tzselect' helps you to select the right value.
 As an example, for Germany, 'tzselect' would tell you to use
 'TZ='Europe/Berlin''.  For a system wide installation (the given paths
-are for an installation with '--prefix=/usr'), link the time zone file
+are for an installation with '--prefix=/usr'), link the timezone file
 which is in '/usr/share/zoneinfo' to the file '/etc/localtime'.  For
 Germany, you might execute 'ln -s /usr/share/zoneinfo/Europe/Berlin
 /etc/localtime'.
@@ -472,17 +483,30 @@ build the GNU C Library:
 
    * GNU 'make' 4.0 or newer
 
-     As of release time, GNU 'make' 4.4.1 is the newest verified to work
-     to build the GNU C Library.
+     As of relase time, GNU 'make' 4.3 is the newest verified to work to
+     build the GNU C Library.
 
-   * GCC 12.1 or newer
+   * GCC 6.2 or newer
 
-     GCC 12.1 or higher is required.  In general it is recommended to
-     use the newest version of the compiler that is known to work for
+     GCC 6.2 or higher is required.  In general it is recommended to use
+     the newest version of the compiler that is known to work for
      building the GNU C Library, as newer compilers usually produce
-     better code.  As of release time, GCC 15.2.1 is the newest compiler
+     better code.  As of release time, GCC 10.2 is the newest compiler
      verified to work to build the GNU C Library.
 
+     For PowerPC 64-bits little-endian (powerpc64le), a GCC version with
+     support for '-mno-gnu-attribute', '-mabi=ieeelongdouble', and
+     '-mabi=ibmlondouble' is required.  Likewise, the compiler must also
+     support passing '-mlong-double-128' with the preceding options.  As
+     of release, this implies GCC 7.4 and newer (excepting GCC 7.5.0,
+     see GCC PR94200).  These additional features are required for
+     building the GNU C Library with support for IEEE long double.
+
+     For ARC architecture builds, GCC 8.3 or higher is needed.
+
+     For s390x architecture builds, GCC 7.1 or higher is needed (See gcc
+     Bug 98269).
+
      For multi-arch support it is recommended to use a GCC which has
      been built with support for GNU indirect functions.  This ensures
      that correct debugging information is generated for functions
@@ -498,20 +522,27 @@ build the GNU C Library:
      Check the FAQ for any special compiler issues on particular
      platforms.
 
-   * GNU 'binutils' 2.39 or later
+   * GNU 'binutils' 2.25 or later
 
      You must use GNU 'binutils' (as and ld) to build the GNU C Library.
      No other assembler or linker has the necessary functionality at the
-     moment.  As of release time, GNU 'binutils' 2.45.1 is the newest
+     moment.  As of release time, GNU 'binutils' 2.35.1 is the newest
      verified to work to build the GNU C Library.
 
+     For PowerPC 64-bits little-endian (powerpc64le), 'objcopy' is
+     required to support '--update-section'.  This option requires
+     binutils 2.26 or newer.
+
+     ARC architecture needs 'binutils' 2.32 or higher for TLS related
+     fixes.
+
    * GNU 'texinfo' 4.7 or later
 
      To correctly translate and install the Texinfo documentation you
      need this version of the 'texinfo' package.  Earlier versions do
      not understand all the tags used in the document, and the
      installation mechanism for the info files is not present or works
-     differently.  As of release time, 'texinfo' 7.2 is the newest
+     differently.  As of release time, 'texinfo' 6.7 is the newest
      verified to work to build the GNU C Library.
 
    * GNU 'awk' 3.1.2, or higher
@@ -519,36 +550,32 @@ build the GNU C Library:
      'awk' is used in several places to generate files.  Some 'gawk'
      extensions are used, including the 'asorti' function, which was
      introduced in version 3.1.2 of 'gawk'.  As of release time, 'gawk'
-     version 5.3.2 is the newest verified to work to build the GNU C
+     version 5.1 is the newest verified to work to build the GNU C
      Library.
 
-     Testing the GNU C Library requires 'gawk' to be compiled with
-     support for high precision arithmetic via the 'MPFR'
-     multiple-precision floating-point computation library.
-
    * GNU 'bison' 2.7 or later
 
      'bison' is used to generate the 'yacc' parser code in the 'intl'
-     subdirectory.  As of release time, 'bison' version 3.8.2 is the
+     subdirectory.  As of release time, 'bison' version 3.7.4 is the
      newest verified to work to build the GNU C Library.
 
    * Perl 5
 
      Perl is not required, but if present it is used in some tests and
      the 'mtrace' program, to build the GNU C Library manual.  As of
-     release time 'perl' version 5.42.0 is the newest verified to work
+     release time 'perl' version 5.32.0 is the newest verified to work
      to build the GNU C Library.
 
    * GNU 'sed' 3.02 or newer
 
      'Sed' is used in several places to generate files.  Most scripts
      work with any version of 'sed'.  As of release time, 'sed' version
-     4.9 is the newest verified to work to build the GNU C Library.
+     4.8 is the newest verified to work to build the GNU C Library.
 
    * Python 3.4 or later
 
      Python is required to build the GNU C Library.  As of release time,
-     Python 3.14.0 is the newest verified to work for building and
+     Python 3.8.6 is the newest verified to work for building and
      testing the GNU C Library.
 
    * PExpect 4.0
@@ -556,23 +583,16 @@ build the GNU C Library:
      The pretty printer tests drive GDB through test programs and
      compare its output to the printers'.  PExpect is used to capture
      the output of GDB, and should be compatible with the Python version
-     in your system.  As of release time PExpect 4.9.0 is the newest
+     in your system.  As of release time PExpect 4.8 is the newest
      verified to work to test the pretty printers.
 
-   * The Python 'abnf' module.
-
-     This module is optional and used to verify some ABNF grammars in
-     the manual.  Version 2.2.0 has been confirmed to work as expected.
-     A missing 'abnf' module does not reduce the test coverage of the
-     library itself.
-
-   * GDB 7.8 or later with support for Python 3.4 or later
+   * GDB 7.8 or later with support for Python 2.7/3.4 or later
 
      GDB itself needs to be configured with Python support in order to
      use the pretty printers.  Notice that your system having Python
      available doesn't imply that GDB supports it, nor that your
      system's Python and GDB's have the same version.  As of release
-     time GNU 'debugger' 14.2 is the newest verified to work to test the
+     time GNU 'debugger' 10.1 is the newest verified to work to test the
      pretty printers.
 
      Unless Python, PExpect and GDB with Python support are present, the
@@ -582,13 +602,13 @@ build the GNU C Library:
 
 If you change any of the 'configure.ac' files you will also need
 
-   * GNU 'autoconf' 2.72 (exactly)
+   * GNU 'autoconf' 2.69 (exactly)
 
 and if you change any of the message translation files you will need
 
    * GNU 'gettext' 0.10.36 or later
 
-     As of release time, GNU 'gettext' version 0.23.2 is the newest
+     As of release time, GNU 'gettext' version 0.21 is the newest
      version verified to work to build the GNU C Library.
 
 You may also need these packages if you upgrade your source tree using
@@ -599,13 +619,15 @@ Specific advice for GNU/Linux systems
 
 If you are installing the GNU C Library on GNU/Linux systems, you need
 to have the header files from a 3.2 or newer kernel around for
-reference.  These headers must be installed using 'make
-headers_install'; the headers present in the kernel source directory are
-not suitable for direct use by the GNU C Library.  You do not need to
-use that kernel, just have its headers installed where the GNU C Library
-can access them, referred to here as INSTALL-DIRECTORY.  The easiest way
-to do this is to unpack it in a directory such as
-'/usr/src/linux-VERSION'.  In that directory, run 'make headers_install
+reference.  (For the ia64 architecture, you need version 3.2.18 or newer
+because this is the first version with support for the 'accept4' system
+call.)  These headers must be installed using 'make headers_install';
+the headers present in the kernel source directory are not suitable for
+direct use by the GNU C Library.  You do not need to use that kernel,
+just have its headers installed where the GNU C Library can access them,
+referred to here as INSTALL-DIRECTORY.  The easiest way to do this is to
+unpack it in a directory such as '/usr/src/linux-VERSION'.  In that
+directory, run 'make headers_install
 INSTALL_HDR_PATH=INSTALL-DIRECTORY'.  Finally, configure the GNU C
 Library with the option '--with-headers=INSTALL-DIRECTORY/include'.  Use
 the most recent kernel you can get your hands on.  (If you are
@@ -634,9 +656,6 @@ components of the GNU C Library installation to be in '/lib' and some in
 Library with '--prefix=/usr'.  If you set some other prefix or allow it
 to default to '/usr/local', then all the components are installed there.
 
-   As of release time, Linux version 6.12 is the newest stable version
-verified to work to build the GNU C Library.
-
 Reporting Bugs
 ==============
 
@@ -662,8 +681,8 @@ Unix C libraries permit things that we don't, such as closing a file
 twice.
 
    If you think you have found some way in which the GNU C Library does
-not conform to the ISO and POSIX standards (see Standards and
-Portability), that is definitely a bug.  Report it!
+not conform to the ISO and POSIX standards (*note Standards and
+Portability::), that is definitely a bug.  Report it!
 
    Once you're sure you've found a bug, try to narrow it down to the
 smallest test case that reproduces the problem.  In the case of a C

LICENSES

@@ -165,8 +165,44 @@ The file if_ppp.h is under the following CMU license:
  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-The files nss/getnameinfo.c and nss/getaddrinfo.c are copyright (C) by
-Craig Metz and are distributed under the following license:
+The following license covers the files from Intel's "Highly Optimized
+Mathematical Functions for Itanium" collection:
+
+Intel License Agreement
+
+Copyright (c) 2000, Intel Corporation
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+* Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+
+* The name of Intel Corporation may not be used to endorse or promote
+products derived from this software without specific prior written
+permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR
+CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+The files inet/getnameinfo.c and sysdeps/posix/getaddrinfo.c are copyright
+(C) by Craig Metz and are distributed under the following license:
 
 /* The Inner Net License, Version 2.00
 
@@ -353,48 +389,3 @@ Copyright 2001 by Stephen L. Moshier <moshier@na-net.ornl.gov>
  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, see
  <https://www.gnu.org/licenses/>.  */
-
-Copyright (c) 1995 IBM Corporation
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-'Software'), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Various files in sysdeps/ieee754/flt-32, taken from the CORE-MATH project
-<https://core-math.gitlabpages.inria.fr/>, are distributed under the
-following license:
-
-Copyright (c) 2022-2024 Alexei Sibidanov. Paul Zimmermann.
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.

Makeconfig

@@ -1,5 +1,4 @@
-# Copyright (C) 1991-2026 Free Software Foundation, Inc.
-# Copyright The GNU Toolchain Authors.
+# Copyright (C) 1991-2021 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -43,22 +42,6 @@ else
 $(error objdir must be defined by the build-directory Makefile)
 endif
 
-# Did we request 'make -s' run? "yes" or "no".
-# Starting from make-4.4 MAKEFLAGS now contains long
-# options like '--shuffle'. To detect presence of 's'
-# we pick first word with short options. Long options
-# are guaranteed to come after whitespace. We use '-'
-# prefix to always have a word before long options
-# even if no short options were passed.
-# Typical MAKEFLAGS values to watch for:
-#   "rs --shuffle=42" (silent)
-#   " --shuffle" (not silent)
-ifeq ($(findstring s, $(firstword -$(MAKEFLAGS))),)
-silent-make := no
-else
-silent-make := yes
-endif
-
 # Root of the sysdeps tree.
 sysdep_dir := $(..)sysdeps
 export sysdep_dir := $(sysdep_dir)
@@ -360,8 +343,6 @@ whole-archive = -Wl,--whole-archive
 # Installed name of the startup code.
 # The ELF convention is that the startfile is called crt1.o
 start-installed-name = crt1.o
-# Similar to crt1.o, but without _IO_stdin_used.
-start-name-2.0 = crt1-2.0.o
 # On systems that do not need a special startfile for statically linked
 # binaries, simply set it to the normal name.
 ifndef static-start-installed-name
@@ -376,38 +357,38 @@ else
 real-static-start-installed-name = $(static-start-installed-name)
 endif
 
+ifeq (yesyes,$(build-shared)$(have-z-combreloc))
+combreloc-LDFLAGS = -Wl,-z,combreloc
+LDFLAGS.so += $(combreloc-LDFLAGS)
+LDFLAGS-rtld += $(combreloc-LDFLAGS)
+endif
+
 relro-LDFLAGS = -Wl,-z,relro
 LDFLAGS.so += $(relro-LDFLAGS)
 LDFLAGS-rtld += $(relro-LDFLAGS)
 
-# Linker options to enable and disable DT_RELR.
-ifeq ($(have-dt-relr),yes)
-dt-relr-ldflag = -Wl,-z,pack-relative-relocs
-no-dt-relr-ldflag = -Wl,-z,nopack-relative-relocs
-else
-dt-relr-ldflag =
-no-dt-relr-ldflag =
+ifeq (yes,$(have-hash-style))
+# For the time being we unconditionally use 'both'.  At some time we
+# should declare statically linked code as 'out of luck' and compile
+# with --hash-style=gnu only.
+hashstyle-LDFLAGS = -Wl,--hash-style=both
+LDFLAGS.so += $(hashstyle-LDFLAGS)
+LDFLAGS-rtld += $(hashstyle-LDFLAGS)
 endif
 
-ifeq (no,$(build-pie-default))
-pie-default = $(no-pie-ccflag)
-else # build-pie-default
+ifeq (yes,$(enable-static-pie))
 pic-default = -DPIC
 # Compile libc.a and libc_p.a with -fPIE/-fpie for static PIE.
 pie-default = $(pie-ccflag)
-
-ifeq (yes,$(enable-static-pie))
-static-pie-dt-relr-ldflag = $(dt-relr-ldflag)
 ifeq (yes,$(have-static-pie))
-static-pie-ldflag = -static-pie
+default-pie-ldflag = -static-pie
 else
 # Static PIE can't have dynamic relocations in read-only segments since
 # static PIE is mapped into memory by kernel.  --eh-frame-hdr is needed
 # for PIE to support exception.
-static-pie-ldflag = -Wl,-pie,--no-dynamic-linker,--eh-frame-hdr,-z,text
-endif # have-static-pie
-endif # enable-static-pie
-endif # build-pie-default
+default-pie-ldflag = -Wl,-pie,--no-dynamic-linker,--eh-frame-hdr,-z,text
+endif
+endif
 
 # If lazy relocations are disabled, add the -z now flag.  Use
 # LDFLAGS-lib.so instead of LDFLAGS.so, to avoid adding the flag to
@@ -431,19 +412,16 @@ link-extra-libs-tests = $(libsupport)
 
 # Command for linking PIE programs with the C library.
 ifndef +link-pie
-+link-pie-before-inputs = $(if $($(@F)-no-pie),$(no-pie-ldflag),-pie) \
-	     $(if $($(@F)-no-dt-relr),$(no-dt-relr-ldflag),$(dt-relr-ldflag)) \
-	     -Wl,-O1 -nostdlib -nostartfiles \
++link-pie-before-libc = $(if $($(@F)-no-pie),$(no-pie-ldflag),-pie) \
+	     -Wl,-O1 -nostdlib -nostartfiles -o $@ \
 	     $(sysdep-LDFLAGS) $(LDFLAGS) $(LDFLAGS-$(@F)) \
-	     $(relro-LDFLAGS) $(hashstyle-LDFLAGS) \
+	     $(combreloc-LDFLAGS) $(relro-LDFLAGS) $(hashstyle-LDFLAGS) \
 	     $(firstword $(CRT-$(@F)) $(csu-objpfx)S$(start-installed-name)) \
-	     $(+preinit) $(+prectorS)
-+link-pie-before-libc = -o $@ $(+link-pie-before-inputs) \
+	     $(+preinit) $(+prectorS) \
 	     $(filter-out $(addprefix $(csu-objpfx),start.o \
 						    S$(start-installed-name))\
 			  $(+preinit) $(link-extra-libs) \
-			  $(common-objpfx)libc% $(+postinit) \
-			  $(+nolink-deps),$^) \
+			  $(common-objpfx)libc% $(+postinit),$^) \
 	     $(link-extra-libs)
 +link-pie-after-libc = $(+postctorS) $(+postinit)
 define +link-pie
@@ -464,18 +442,15 @@ endef
 endif
 # Command for statically linking programs with the C library.
 ifndef +link-static
-+link-static-before-inputs = -nostdlib -nostartfiles -static \
-	      $(if $($(@F)-no-pie),$(no-pie-ldflag),$(static-pie-ldflag)) \
-	      $(if $($(@F)-no-dt-relr),$(no-dt-relr-ldflag),$(static-pie-dt-relr-ldflag)) \
++link-static-before-libc = -nostdlib -nostartfiles -static -o $@ \
+	      $(if $($(@F)-no-pie),$(no-pie-ldflag),$(default-pie-ldflag)) \
 	      $(sysdep-LDFLAGS) $(LDFLAGS) $(LDFLAGS-$(@F))  \
 	      $(firstword $(CRT-$(@F)) $(csu-objpfx)$(real-static-start-installed-name)) \
-	      $(+preinit) $(+prectorT)
-+link-static-before-libc = -o $@ $(+link-static-before-inputs) \
+	      $(+preinit) $(+prectorT) \
 	      $(filter-out $(addprefix $(csu-objpfx),start.o \
 						     $(start-installed-name))\
 			   $(+preinit) $(link-extra-libs-static) \
-			   $(common-objpfx)libc% $(+postinit) \
-			   $(+nolink-deps), $^) \
+			   $(common-objpfx)libc% $(+postinit),$^) \
 	      $(link-extra-libs-static)
 +link-static-after-libc = $(+postctorT) $(+postinit)
 define +link-static
@@ -498,21 +473,17 @@ endif
 ifeq (yes,$(build-pie-default))
 +link = $(+link-pie)
 +link-tests = $(+link-pie-tests)
-+link-tests-before-inputs = $(+link-pie-before-inputs) $(rtld-tests-LDFLAGS)
-+link-tests-after-inputs = $(link-libc-tests) $(+link-pie-after-libc)
 +link-printers-tests = $(+link-pie-printers-tests)
 else  # not build-pie-default
-+link-before-inputs = -nostdlib -nostartfiles $(no-pie-ldflag) \
++link-before-libc = -nostdlib -nostartfiles -o $@ \
 	      $(sysdep-LDFLAGS) $(LDFLAGS) $(LDFLAGS-$(@F)) \
-	      $(relro-LDFLAGS) $(hashstyle-LDFLAGS) \
+	      $(combreloc-LDFLAGS) $(relro-LDFLAGS) $(hashstyle-LDFLAGS) \
 	      $(firstword $(CRT-$(@F)) $(csu-objpfx)$(start-installed-name)) \
-	      $(+preinit) $(+prector)
-+link-before-libc = -o $@ $(+link-before-inputs) \
+	      $(+preinit) $(+prector) \
 	      $(filter-out $(addprefix $(csu-objpfx),start.o \
 						     $(start-installed-name))\
 			   $(+preinit) $(link-extra-libs) \
-			   $(common-objpfx)libc% $(+postinit) \
-			   $(+nolink-deps),$^) \
+			   $(common-objpfx)libc% $(+postinit),$^) \
 	      $(link-extra-libs)
 +link-after-libc = $(+postctor) $(+postinit)
 define +link
@@ -520,8 +491,6 @@ $(CC) $(link-libc-rpath-link) $(+link-before-libc) $(rtld-LDFLAGS) \
   $(link-extra-flags) $(link-libc) $(+link-after-libc)
 $(call after-link,$@)
 endef
-+link-tests-before-inputs = $(+link-before-inputs) $(rtld-tests-LDFLAGS)
-+link-tests-after-inputs = $(link-libc-tests) $(+link-after-libc)
 define +link-tests
 $(CC) $(+link-before-libc) $(rtld-tests-LDFLAGS) $(link-libc-tests) \
 		     $(+link-after-libc)
@@ -536,45 +505,22 @@ endif  # build-pie-default
 else  # build-static
 +link = $(+link-static)
 +link-tests = $(+link-static-tests)
-+link-tests-before-inputs = $(+link-static-before-inputs)
-+link-tests-after-inputs = $(link-libc-static-tests) $(+link-static-after-libc)
 +link-printers-tests = $(+link-static-tests)
 endif  # build-shared
 endif  # +link
 
-# Command for linking test programs with crt1.o from glibc 2.0.
-+link-2.0-before-inputs = -nostdlib -nostartfiles $(no-pie-ldflag) \
-	      $(sysdep-LDFLAGS) $(LDFLAGS) $(LDFLAGS-$(@F)) \
-	      $(relro-LDFLAGS) $(hashstyle-LDFLAGS) \
-	      $(firstword $(CRT-$(@F)) $(csu-objpfx)$(start-name-2.0)) \
-	      $(+preinit) $(+prector)
-+link-2.0-before-libc = -o $@ $(+link-2.0-before-inputs) \
-	      $(filter-out $(addprefix $(csu-objpfx),start.o \
-						     $(start-name-2.0))\
-			   $(+preinit) $(link-extra-libs) \
-			   $(common-objpfx)libc% $(+postinit) \
-			   $(+nolink-deps),$^) \
-	      $(link-extra-libs)
-+link-after-libc = $(+postctor) $(+postinit)
-define +link-2.0-tests
-$(CC) $(+link-2.0-before-libc) $(rtld-tests-LDFLAGS) $(link-libc-tests) \
-  $(+link-after-libc)
-$(call after-link,$@)
-endef
-
 # The pretty printer test programs need to be compiled without optimizations
 # so they won't confuse gdb.  We could use either the 'GCC optimize' pragma
 # or the 'optimize' function attribute to achieve this; however, at least on
 # ARM, gcc always produces different debugging symbols when invoked with
 # a -O greater than 0 than when invoked with -O0, regardless of anything else
 # we're using to suppress optimizations.  Therefore, we need to explicitly pass
-# -O0 to it through CFLAGS. As a result, any fortification needs to be disabled
-# as it needs -O greater than 0.
+# -O0 to it through CFLAGS.
 # Additionally, the build system will try to -include $(common-objpfx)/config.h
 # when compiling the tests, which will throw an error if some special macros
 # (such as __OPTIMIZE__ and IS_IN_build) aren't defined.  To avoid this, we
 # tell gcc to define IS_IN_build.
-CFLAGS-printers-tests := -O0 -ggdb3 -DIS_IN_build $(no-fortify-source)
+CFLAGS-printers-tests := -O0 -ggdb3 -DIS_IN_build
 
 ifeq (yes,$(build-shared))
 # These indicate whether to link using the built ld.so or the installed one.
@@ -611,16 +557,11 @@ link-libc-rpath-link = -Wl,-rpath-link=$(rpath-link)
 # before the expansion of LDLIBS-* variables).
 
 # Tests use -Wl,-rpath instead of -Wl,-rpath-link for
-# build-hardcoded-path-in-tests.  Add -Wl,--disable-new-dtags to force
-# DT_RPATH instead of DT_RUNPATH which only applies to DT_NEEDED entries
-# in the executable and doesn't applies to DT_NEEDED entries in shared
-# libraries which are loaded via DT_NEEDED entries in the executable.
+# build-hardcoded-path-in-tests.
 ifeq (yes,$(build-hardcoded-path-in-tests))
-link-libc-tests-rpath-link = $(link-libc-rpath) -Wl,--disable-new-dtags
-link-test-modules-rpath-link = $(link-libc-rpath) -Wl,--disable-new-dtags
+link-libc-tests-rpath-link = $(link-libc-rpath)
 else
 link-libc-tests-rpath-link = $(link-libc-rpath-link)
-link-test-modules-rpath-link =
 endif  # build-hardcoded-path-in-tests
 
 link-libc-between-gnulib = $(common-objpfx)libc.so$(libc.so-version) \
@@ -637,9 +578,9 @@ link-libc-printers-tests = $(link-libc-rpath) \
 			   $(link-libc-tests-after-rpath-link)
 
 # This is how to find at build-time things that will be installed there.
-rpath-dirs = math elf dlfcn nss nis rt resolv mathvec support misc debug
+rpath-dirs = math elf dlfcn nss nis rt resolv mathvec support
 rpath-link = \
-$(common-objdir):$(subst $(empty) ,:,$(patsubst ../$(subdir),.,$(rpath-dirs:%=$(common-objpfx)%))):$(gnulib-extralibdir)
+$(common-objdir):$(subst $(empty) ,:,$(patsubst ../$(subdir),.,$(rpath-dirs:%=$(common-objpfx)%)))
 else  # build-static
 link-libc = $(common-objpfx)libc.a $(otherlibs) $(gnulib) $(common-objpfx)libc.a $(gnulib)
 link-libc-tests = $(common-objpfx)libc.a $(otherlibs) $(gnulib-tests) $(common-objpfx)libc.a $(gnulib-tests)
@@ -696,11 +637,6 @@ link-libc-static-tests = -Wl,--start-group $(common-objpfx)libc.a $(static-gnuli
 # some cases and it is preferable to link with libgcc_eh or libgcc_s
 # so that the testing is as similar as possible to how programs will
 # be built with the installed glibc.
-# This leads to moderate difficulties, also since distributions may
-# install libgcc_s.so in directories only found via ld.so.conf, e.g.
-# to be able to switch between gcc versions. We need to add the
-# corresponding directory to the library search path to make sure
-# our test programs can find it.
 #
 # Some architectures have architecture-specific systems for exception
 # handling that may involve undefined references to
@@ -711,29 +647,24 @@ link-libc-static-tests = -Wl,--start-group $(common-objpfx)libc.a $(static-gnuli
 ifndef gnulib
 ifneq ($(have-cc-with-libunwind),yes)
   libunwind =
-  ifeq ($(have-libgcc_s),yes)
-    libgcc_s  = -lgcc_s
-  endif
 else
-  libunwind = -lunwind $(libgcc-name)
-  libgcc_s = $(libunwind)
+  libunwind = -lunwind
 endif
-libgcc_eh := -Wl,--as-needed $(libgcc_s) -Wl,--no-as-needed
+libgcc_eh := -Wl,--as-needed -lgcc_s $(libunwind) -Wl,--no-as-needed
 gnulib-arch =
-gnulib = $(libgcc-name) $(gnulib-arch)
-gnulib-tests := $(libgcc-name) $(libgcc_eh)
-gnulib-extralibdir = $(dir $(shell $(CC) -print-file-name=libgcc_s.so$(libgcc_s.so-version)))
+gnulib = -lgcc $(gnulib-arch)
+gnulib-tests := -lgcc $(libgcc_eh)
 static-gnulib-arch =
 # By default, elf/static-stubs.o, instead of -lgcc_eh, is used to
 # statically link programs.  When --disable-shared is used, we use
 # -lgcc_eh since elf/static-stubs.o isn't sufficient.
 ifeq (yes,$(build-shared))
-static-gnulib = $(libgcc-name) $(static-gnulib-arch)
+static-gnulib = -lgcc $(static-gnulib-arch)
 else
-static-gnulib = $(libgcc-name) $(libgcc_eh-name) $(static-gnulib-arch)
+static-gnulib = -lgcc -lgcc_eh $(static-gnulib-arch)
 endif
-static-gnulib-tests := $(libgcc-name) $(libgcc_eh-name) $(libunwind)
-libc.so-gnulib := $(libgcc-name)
+static-gnulib-tests := -lgcc -lgcc_eh $(libunwind)
+libc.so-gnulib := -lgcc
 endif
 +preinit = $(addprefix $(csu-objpfx),crti.o)
 +postinit = $(addprefix $(csu-objpfx),crtn.o)
@@ -743,15 +674,13 @@ endif
 +prectorS = `$(CC) $(sysdep-LDFLAGS) --print-file-name=crtbeginS.o`
 +postctorS = `$(CC) $(sysdep-LDFLAGS) --print-file-name=crtendS.o`
 # Variants of the two previous definitions for statically linking programs.
-static-prector = `$(CC) $(sysdep-LDFLAGS) --print-file-name=crtbeginT.o`
-static-postctor = `$(CC) $(sysdep-LDFLAGS) --print-file-name=crtend.o`
 ifeq (yes,$(enable-static-pie))
 # Static PIE must use PIE variants.
-+prectorT = $(if $($(@F)-no-pie),$(static-prector),$(+prectorS))
-+postctorT = $(if $($(@F)-no-pie),$(static-postctor),$(+postctorS))
++prectorT = $(+prectorS)
++postctorT = $(+postctorS)
 else
-+prectorT = $(static-prector)
-+postctorT =$(static-postctor)
++prectorT = `$(CC) $(sysdep-LDFLAGS) --print-file-name=crtbeginT.o`
++postctorT = `$(CC) $(sysdep-LDFLAGS) --print-file-name=crtend.o`
 endif
 csu-objpfx = $(common-objpfx)csu/
 elf-objpfx = $(common-objpfx)elf/
@@ -782,11 +711,6 @@ run-built-tests = yes
 endif
 endif
 
-# Whether to build the static math tests
-ifndef build-math-static-tests
-build-math-static-tests = no
-endif
-
 # Whether to stop immediately when a test fails.  Nonempty means to
 # stop, empty means not to stop.
 ifndef stop-on-test-failure
@@ -795,12 +719,10 @@ endif
 
 # How to run a program we just linked with our library.
 # The program binary is assumed to be $(word 2,$^).
-# We may require additional libraries from gcc (e.g. libgcc_s.so for exception
-# handling), which unfortunately somewhat breaks the isolation.
 built-program-file = $(dir $(word 2,$^))$(notdir $(word 2,$^))
 rtld-prefix = $(elf-objpfx)$(rtld-installed-name)			      \
 	      --library-path						      \
-	      $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)):$(gnulib-extralibdir)
+	      $(rpath-link)$(patsubst %,:%,$(sysdep-library-path))
 ifeq (yes,$(build-shared))
 comma = ,
 sysdep-library-path = \
@@ -904,12 +826,16 @@ host-test-program-cmd = $(host-built-program-cmd)
 endif
 
 # Extra flags to pass to GCC.
-+gccwarn := -Wall -Wwrite-strings -Wundef $(cc-option-wimplicit-fallthrough)
+ifeq ($(all-warnings),yes)
++gccwarn := -Wall -Wwrite-strings -Wcast-qual -Wbad-function-cast -Wmissing-noreturn -Wmissing-prototypes -Wmissing-declarations -Wcomment -Wcomments -Wtrigraphs -Wsign-compare -Wfloat-equal -Wmultichar
+else
++gccwarn := -Wall -Wwrite-strings
+endif
++gccwarn += -Wundef
 ifeq ($(enable-werror),yes)
 +gccwarn += -Werror
 endif
-+gccwarn-c = -Wstrict-prototypes -Wold-style-definition \
-  $(cc-option-wfree-labels) $(cc-option-wmissing-parameter-name)
++gccwarn-c = -Wstrict-prototypes -Wold-style-definition
 
 # We do not depend on the address of constants in different files to be
 # actually different, so allow the compiler to merge them all.
@@ -920,21 +846,10 @@ endif
 # disable any optimization that assume default rounding mode.
 +math-flags = -frounding-math
 
-# We have to assume that glibc functions might generate user-visible traps.
-+math-flags += -ftrapping-math
-
 # Logically only "libnldbl", "nonlib" and "testsuite" should be using
-# -fno-math-errno. However due to GCC bug #88576, only "libm" and
-# "libmvec" can use -fno-math-errno.
-+extra-math-flags = $(if $(filter libmvec libm,$(in-module)),\
-                      -fno-math-errno,-fmath-errno)
-
-# Use 64 bit time_t support for installed programs
-installed-modules = nonlib nscd ldconfig locale_programs \
-		    iconvprogs libnss_files libnss_compat libnss_db libnss_hesiod \
-		    libutil libpcprofile libnsl
-+extra-time-flags = $(if $(filter $(installed-modules),\
-                           $(in-module)),-D_TIME_BITS=64 -D_FILE_OFFSET_BITS=64)
+# -fno-math-errno. However due to GCC bug #88576, only "libm" can use
+# -fno-math-errno.
++extra-math-flags = $(if $(filter libm,$(in-module)),-fno-math-errno,-fmath-errno)
 
 # We might want to compile with some stack-protection flag.
 ifneq ($(stack-protector),)
@@ -949,16 +864,13 @@ define elide-stack-protector
 $(if $(filter $(@F),$(patsubst %,%$(1),$(2))), $(no-stack-protector))
 endef
 
-# We might want to compile with fortify-source
-ifneq ($(fortify-source),)
-+fortify-source=$(fortify-source)
+# This is the program that generates makefile dependencies from C source files.
+# The -MP flag tells GCC >= 3.2 (which we now require) to produce dummy
+# targets for headers so that removed headers don't break the build.
+ifndef +mkdep
++mkdep = $(CC) -M -MP
 endif
 
-# Some routine can't be fortified like the ones used by fortify
-define elide-fortify-source
-$(if $(filter $(@F),$(patsubst %,%$(1),$(2))), $(no-fortify-source))
-endef
-
 # The program that makes Emacs-style TAGS files.
 ETAGS	:= etags
 
@@ -991,7 +903,7 @@ endif
 # umpteen zillion filenames along with it (we use `...' instead)
 # but we don't want this echoing done when the user has said
 # he doesn't want to see commands echoed by using -s.
-ifeq ($(silent-make),yes)			# if -s
+ifneq	"$(findstring s,$(MAKEFLAGS))" ""	# if -s
 +cmdecho	:= echo >/dev/null
 else						# not -s
 +cmdecho	:= echo
@@ -1019,30 +931,6 @@ endif	# $(+cflags) == ""
 	   $(+stack-protector) -fno-common
 +gcc-nowarn := -w
 
-# We must filter out elf because the early bootstrap of the dynamic loader
-# cannot be fortified. Likewise we exclude dlfcn because it is entangled
-# with the loader. We must filter out csu because early startup, like the
-# loader, cannot be fortified. Lastly debug is the fortification routines
-# themselves and they cannot be fortified.
-do-fortify = $(filter-out elf dlfcn csu debug,$(subdir))
-ifeq ($(do-fortify),$(subdir))
-+cflags += $(+fortify-source)
-else
-+cflags += $(no-fortify-source)
-endif
-
-# Filter out LFS flags if compiler defines it by default.
-+cflags += $(no-file-offset-bits-source)
-
-# Filter out 64 bit time_t flags if compiler defines it by default.
-+cflags += $(no-time-bits-source)
-
-# Enable SFrame while compiling for stack backtracing.
-ifeq ($(enable-gsframe),yes)
-as-sframe = -Wa,--gsframe
-endif
-+cflags += $(as-sframe)
-
 # Each sysdeps directory can contain header files that both will be
 # used to compile and will be installed.  Each can also contain an
 # include/ subdirectory, whose header files will be used to compile
@@ -1057,18 +945,17 @@ endif
 # current directory.
 +includes = -I$(..)include $(if $(subdir),$(objpfx:%/=-I%)) \
 	    $(+sysdep-includes) $(includes) \
-	    $(patsubst %/,-I%,$(..)) $(libio-include) \
-	    $(if $($(<F)-no-include-dot),,-I.) $(sysincludes)
+	    $(patsubst %/,-I%,$(..)) $(libio-include) -I. $(sysincludes)
 
 # Since libio has several internal header files, we use a -I instead
 # of many little headers in the include directory.
 libio-include = -I$(..)libio
 
 # List of non-library modules that we build.
-built-modules = iconvprogs iconvdata ldconfig libmemusage \
-		libpcprofile librpcsvc locale-programs \
+built-modules = iconvprogs iconvdata ldconfig lddlibc4 libmemusage \
+		libSegFault libpcprofile librpcsvc locale-programs \
 		memusagestat nonlib nscd extramodules libnldbl libsupport \
-		testsuite testsuite-internal
+		testsuite
 
 in-module = $(subst -,_,$(firstword $(libof-$(basename $(@F))) \
 				    $(libof-$(<F)) \
@@ -1093,19 +980,22 @@ module-cppflags = $(if $(filter %.mk.i %.v.i,$(@F)),,$(module-cppflags-real))
 # Note that we can't use -std=* in CPPFLAGS, because it overrides
 # the implicit -lang-asm and breaks cpp behavior for .S files--notably
 # it causes cpp to stop predefining __ASSEMBLER__.
-CPPFLAGS = $(config-extra-cppflags) $(CPPFLAGS-config) \
+CPPFLAGS = $(config-extra-cppflags) $(CPPUNDEFS) $(CPPFLAGS-config) \
 	   $($(subdir)-CPPFLAGS) \
 	   $(+includes) $(defines) $(module-cppflags) \
 	   -include $(..)include/libc-symbols.h $(sysdep-CPPFLAGS) \
 	   $(CPPFLAGS-$(suffix $@)) \
 	   $(foreach lib,$(libof-$(basename $(@F))) \
 			 $(libof-$(<F)) $(libof-$(@F)),$(CPPFLAGS-$(lib))) \
-	   $(CPPFLAGS-$(<F)) $(CPPFLAGS-$(@F)) $(CPPFLAGS-$(basename $(@F))) \
-	   -DTOP_NAMESPACE=glibc
+	   $(CPPFLAGS-$(<F)) $(CPPFLAGS-$(@F)) $(CPPFLAGS-$(basename $(@F)))
+
+ifneq (no,$(have-tunables))
+CPPFLAGS += -DTOP_NAMESPACE=glibc
+endif
 
 override CFLAGS	= -std=gnu11 -fgnu89-inline $(config-extra-cflags) \
 		  $(filter-out %frame-pointer,$(+cflags)) $(+gccwarn-c) \
-		  $(+extra-math-flags) $(+extra-time-flags) \
+		  $(+extra-math-flags) \
 		  $(sysdep-CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(<F)) \
 		  $(CFLAGS-$(@F)) $(tls-model) \
 		  $(foreach lib,$(libof-$(basename $(@F))) \
@@ -1132,19 +1022,14 @@ object-suffixes :=
 CPPFLAGS-.o = $(pic-default)
 # libc.a must be compiled with -fPIE/-fpie for static PIE.
 CFLAGS-.o = $(filter %frame-pointer,$(+cflags)) $(pie-default)
-CFLAGS-.o += $(call elide-fortify-source,.o,$(routines_no_fortify))
-CFLAGS-.o += $(call elide-fortify-source,_chk.o,$(routines_no_fortify))
 libtype.o := lib%.a
 object-suffixes += .o
 ifeq (yes,$(build-shared))
 # Under --enable-shared, we will build a shared library of PIC objects.
 # The PIC object files are named foo.os.
 object-suffixes += .os
-pic-cppflags = -DPIC -DSHARED
-CPPFLAGS-.os = $(pic-cppflags)
+CPPFLAGS-.os = -DPIC -DSHARED
 CFLAGS-.os = $(filter %frame-pointer,$(+cflags)) $(pic-ccflag)
-CFLAGS-.os += $(call elide-fortify-source,.os,$(routines_no_fortify))
-CFLAGS-.os += $(call elide-fortify-source,_chk.os,$(routines_no_fortify))
 libtype.os := lib%_pic.a
 # This can be changed by a sysdep makefile
 pic-ccflag = -fPIC
@@ -1152,8 +1037,7 @@ pic-ccflag = -fPIC
 PIC-ccflag = -fPIC
 endif
 # This can be changed by a sysdep makefile
-pie-ccflag = -fPIE
-no-pie-ccflag = -fno-pie
+pie-ccflag = -fpie
 # This one should always stay like this unless there is a very good reason.
 PIE-ccflag = -fPIE
 ifeq (yes,$(build-profile))
@@ -1164,8 +1048,6 @@ object-suffixes += .op
 CPPFLAGS-.op = -DPROF $(pic-default)
 # libc_p.a must be compiled with -fPIE/-fpie for static PIE.
 CFLAGS-.op = -pg $(pie-default)
-CFLAGS-.op += $(call elide-fortify-source,.op,$(routines_no_fortify))
-CFLAGS-.op += $(call elide-fortify-source,_chk.op,$(routines_no_fortify))
 libtype.op = lib%_p.a
 endif
 
@@ -1189,9 +1071,13 @@ endif
 
 # The assembler can generate debug information too.
 ifndef ASFLAGS
-ASFLAGS := $(filter -g% -fdebug-prefix-map=% -m%,$(CFLAGS))
+ASFLAGS := $(filter -g% -fdebug-prefix-map=%,$(CFLAGS))
+endif
+override ASFLAGS += -Werror=undef $(ASFLAGS-config) $(asflags-cpu)
+
+ifndef BUILD_CC
+BUILD_CC = $(CC)
 endif
-override ASFLAGS += -Werror=undef $(ASFLAGS-config) $(asflags-cpu) $(as-sframe)
 
 move-if-change = $(SHELL) $(..)scripts/move-if-change
 
@@ -1285,6 +1171,7 @@ endif
 
 # Build the tunables list header early since it could be used by any module in
 # glibc.
+ifneq (no,$(have-tunables))
 before-compile += $(common-objpfx)dl-tunable-list.h
 common-generated += dl-tunable-list.h dl-tunable-list.stmp
 
@@ -1294,18 +1181,10 @@ $(common-objpfx)dl-tunable-list.stmp: \
 		$(..)elf/dl-tunables.list \
 		$(wildcard $(subdirs:%=$(..)%/dl-tunables.list)) \
 		$(wildcard $(sysdirs:%=%/dl-tunables.list))
-	LC_ALL=C $(AWK) -f $^ > ${@:stmp=T}
+	$(AWK) -f $^ > ${@:stmp=T}
 	$(move-if-change) ${@:stmp=T} ${@:stmp=h}
 	touch $@
-
-# Dump the GCC macros used by the default compiler flags to a header
-# file, so that they can be inspected when using different compiler
-# flags.  Add the GCCMACRO prefix to make these macro names unique.
-$(common-objpfx)gcc-macros.h.in: $(common-objpfx)config.status
-	$(CC) $(CFLAGS) $(CPPFLAGS) -E -dM -x c -o $@ /dev/null
-$(common-objpfx)gcc-macros.h: $(common-objpfx)gcc-macros.h.in
-	sed 's/^#define /#define GCCMACRO/' < $< > $@
-before-compile += $(common-objpfx)gcc-macros.h
+endif
 
 # Generate version maps, but wait until sysdep-subdirs is known
 ifeq ($(sysd-sorted-done),t)
@@ -1413,11 +1292,16 @@ endif
 # dependencies and generate sorted-subdirs dynamically.
 all-subdirs = csu assert ctype locale intl catgets math setjmp signal	    \
 	      stdlib stdio-common libio malloc string wcsmbs time dirent    \
-	      posix io termios resource misc socket sysvipc gmon            \
-	      gnulib iconv iconvdata wctype manual po argp                  \
+	      grp pwd posix io termios resource misc socket sysvipc gmon    \
+	      gnulib iconv iconvdata wctype manual shadow gshadow po argp   \
 	      localedata timezone rt conform debug mathvec support	    \
 	      dlfcn elf
 
+ifeq ($(build-crypt),yes)
+all-subdirs += crypt
+rpath-dirs += crypt
+endif
+
 ifndef avoid-generated
 # sysd-sorted itself will contain rules making the sysd-sorted target
 # depend on Depend files.  But if you just added a Depend file to an
@@ -1456,6 +1340,19 @@ endif
 sysd-rules-targets := $(sort $(foreach p,$(sysd-rules-patterns),\
 					 $(firstword $(subst :, ,$p))))
 
+# $(libpthread-routines-var) and $(librt-routines-var) are the make
+# variable to which pthread routines need to be added to land in the
+# right library.
+ifeq ($(pthread-in-libc),yes)
+libpthread-routines-var = routines
+librt-routines-var = routines
+libanl-routines-var = routines
+else
+libpthread-routines-var = libpthread-routines
+librt-routines-var = librt-routines
+libanl-routines-var = libanl-routines
+endif
+
 # A sysdeps Makeconfig fragment may set libc-reentrant to yes.
 ifeq (yes,$(libc-reentrant))
 defines += -D_LIBC_REENTRANT

Makefile

@@ -1,4 +1,4 @@
-# Copyright (C) 1991-2026 Free Software Foundation, Inc.
+# Copyright (C) 1991-2021 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -141,10 +141,8 @@ usage () {
 cat << EOF
 Usage: $$0 [OPTIONS] <program> [ARGUMENTS...]
 
-  --tool=TOOL  Run with the specified TOOL. It can be strace, rpctrace,
-               valgrind or container. The container will run within
-               support/test-container.  For strace and valgrind,
-               additional arguments can be passed after the tool name.
+  --tool=TOOL  Run with the specified TOOL. It can be strace, valgrind or
+               container. The container will run within support/test-container.
 EOF
 
   exit 1
@@ -175,16 +173,12 @@ case "$$toolname" in
     exec $(subst $(common-objdir),"$${builddir}", $(test-program-prefix)) \
       $${1+"$$@"}
     ;;
-  strace*)
-    exec $$toolname $(patsubst %, -E%, $(run-program-env)) \
+  strace)
+    exec strace $(patsubst %, -E%, $(run-program-env)) \
       $(test-via-rtld-prefix) $${1+"$$@"}
     ;;
-  rpctrace)
-    exec rpctrace $(patsubst %, -E%, $(run-program-env)) \
-      $(test-via-rtld-prefix) $${1+"$$@"}
-    ;;
-  valgrind*)
-    exec env $(run-program-env) $$toolname $(test-via-rtld-prefix) $${1+"$$@"}
+  valgrind)
+    exec env $(run-program-env) valgrind $(test-via-rtld-prefix) $${1+"$$@"}
     ;;
   container)
     exec env $(run-program-env) $(test-via-rtld-prefix) \
@@ -518,10 +512,7 @@ mostlyclean: parent-mostlyclean
 	@$(MAKE) subdir_mostlyclean no_deps=t
 	-rm -f $(postclean)
 
-# Remove test artifacts from the whole glibc build.
-# do-tests-clean removes test artifacts from top-level directory, and
-# subdir_testclean removes them from individual sub-directories.
-tests-clean: do-tests-clean
+tests-clean:
 	@$(MAKE) subdir_testclean no_deps=t
 
 ifneq (,$(CXX))
@@ -545,9 +536,8 @@ tests-special += $(objpfx)check-installed-headers-c.out
 libof-check-installed-headers-c := testsuite
 $(objpfx)check-installed-headers-c.out: \
     scripts/check-installed-headers.sh $(headers)
-	$(SHELL) $(..)scripts/check-installed-headers.sh c $(supported-fortify) \
-	  "$(CC) $(test-config-cflags-finput-charset-ascii) \
-	     $(filter-out -std=%,$(CFLAGS)) -D_ISOMAC $(+includes)" \
+	$(SHELL) $(..)scripts/check-installed-headers.sh c \
+	  "$(CC) $(filter-out -std=%,$(CFLAGS)) -D_ISOMAC $(+includes)" \
 	  $(headers) > $@; \
 	$(evaluate-test)
 
@@ -556,9 +546,8 @@ tests-special += $(objpfx)check-installed-headers-cxx.out
 libof-check-installed-headers-cxx := testsuite
 $(objpfx)check-installed-headers-cxx.out: \
     scripts/check-installed-headers.sh $(headers)
-	$(SHELL) $(..)scripts/check-installed-headers.sh c++ $(supported-fortify) \
-	  "$(CXX) $(test-config-cxxflags-finput-charset-ascii) \
-	     $(filter-out -std=%,$(CXXFLAGS)) -D_ISOMAC $(+includes)" \
+	$(SHELL) $(..)scripts/check-installed-headers.sh c++ \
+	  "$(CXX) $(filter-out -std=%,$(CXXFLAGS)) -D_ISOMAC $(+includes)" \
 	  $(headers) > $@; \
 	$(evaluate-test)
 endif # $(CXX)
@@ -569,60 +558,11 @@ $(objpfx)check-wrapper-headers.out: scripts/check-wrapper-headers.py $(headers)
 	  --generated $(common-generated) > $@; $(evaluate-test)
 endif # $(headers)
 
-# Lint all Makefiles; including this one.  Pass `pwd` as the source
-# directory since the top-level Makefile is in the root of the source
-# tree and these tests are run from there.  We add light-weight linting
-# to the 'check' target to support the existing developer workflow of:
-# edit -> make -> make check; without needing an additional step.
-tests-special += $(objpfx)lint-makefiles.out
-$(objpfx)lint-makefiles.out: scripts/lint-makefiles.sh
-	$(SHELL) $< "$(PYTHON)" `pwd` > $@ ; \
-	$(evaluate-test)
-
-# Link libc.a as a whole to verify that it does not contain multiple
-# definitions of any symbols.
-tests-special += $(objpfx)link-static-libc.out
-$(objpfx)link-static-libc.out:
-	$(LINK.o) $(whole-archive) -nostdlib -nostartfiles -r \
-	  $(objpfx)libc.a -o /dev/null > $@ 2>&1; \
-	$(evaluate-test)
-
-# Print test summary for tests in $1 .sum file;
-# $2 is optional test identifier.
-# Fail if there are unexpected failures in the test results.
 define summarize-tests
-@grep -E '^[A-Z]+:' $(objpfx)$1 | grep -E -v '^(PASS|XFAIL):' || true
-@echo "		=== Summary of results$2 ==="
-@sed -e '/:.*/!d' -e 's/:.*//' < $(objpfx)$1 | sort | uniq -c
-@{ \
-	grep -E '^[A-Z]+:' $(objpfx)$1 | \
-	grep -E -v '^(X?PASS|XFAIL|UNSUPPORTED):' | \
-	( \
-	  if ! test -f $(..)allowed-failures.txt; then \
-	    read -r _; exit $$(( $$? == 0 )); \
-	  fi; \
-	  status=0; \
-	  while IFS= read -r line; do \
-	    case "$$line" in \
-	      FAIL:*) \
-	        name=$${line#FAIL: }; \
-	        escaped_name=`printf '%s' "$$name" | sed 's/[.+]/\\&/g'`; \
-	        if grep -Eq -- "^$${escaped_name}[[:space:]]*#" \
-	          $(..)allowed-failures.txt; then \
-	          echo "Ignoring allowed FAIL: $${name}"; \
-	          continue; \
-	        fi; \
-	        echo "Unallowed FAIL: $${name}"; \
-	        status=1; \
-	        ;; \
-	      *) \
-	        status=1; \
-	        ;; \
-	    esac; \
-	  done; \
-	  exit $$status; \
-	); \
-      }
+@egrep -v '^(PASS|XFAIL):' $(objpfx)$1 || true
+@echo "Summary of test results$2:"
+@sed 's/:.*//' < $(objpfx)$1 | sort | uniq -c
+@! egrep -q -v '^(X?PASS|XFAIL|UNSUPPORTED):' $(objpfx)$1
 endef
 
 # The intention here is to do ONE install of our build into the
@@ -662,15 +602,10 @@ $(objpfx)testroot.pristine/install.stamp :
 	cp $(objpfx)support/shell-container $(objpfx)testroot.pristine/bin/sh
 	cp $(objpfx)support/echo-container $(objpfx)testroot.pristine/bin/echo
 	cp $(objpfx)support/true-container $(objpfx)testroot.pristine/bin/true
-	# We need to be able to load extra language libraries.
-	mkdir -p $(objpfx)testroot.pristine/etc/ld.so.conf.d
-	echo 'include ld.so.conf.d/*.conf' > $(objpfx)testroot.pristine/etc/ld.so.conf
-	echo $(gnulib-extralibdir) >> $(objpfx)testroot.pristine/etc/ld.so.conf
-	echo '# file without content' > $(objpfx)testroot.pristine/etc/ld.so.conf.d/999-empty.conf
 ifeq ($(run-built-tests),yes)
 	# Copy these DSOs first so we can overwrite them with our own.
 	for dso in `$(test-wrapper-env) LD_TRACE_LOADED_OBJECTS=1  \
-		$(rtld-prefix) --inhibit-cache \
+		$(rtld-prefix) \
 		$(objpfx)testroot.pristine/bin/sh \
 	        | sed -n '/\//{s@.*=> /@/@;s/^[^/]*//;s/ .*//p;}'` ;\
 	  do \
@@ -679,7 +614,7 @@ ifeq ($(run-built-tests),yes)
 	    $(test-wrapper) cp $$dso $(objpfx)testroot.pristine$$dso ;\
 	  done
 	for dso in `$(test-wrapper-env) LD_TRACE_LOADED_OBJECTS=1  \
-		$(rtld-prefix) --inhibit-cache \
+		$(rtld-prefix) \
 		$(objpfx)support/$(LINKS_DSO_PROGRAM) \
 	        | sed -n '/\//{s@.*=> /@/@;s/^[^/]*//;s/ .*//p;}'` ;\
 	  do \
@@ -780,7 +715,7 @@ endif
 INSTALL: manual/install-plain.texi manual/macros.texi \
 	 $(common-objpfx)manual/pkgvers.texi manual/install.texi
 	makeinfo --no-validate --plaintext --no-number-sections \
-		 --disable-encoding -I$(common-objpfx)manual $< -o $@-tmp
+		 -I$(common-objpfx)manual $< -o $@-tmp
 	$(AWK) 'NF == 0 { ++n; next } \
 		NF != 0 { while (n-- > 0) print ""; n = 0; print }' \
 	  < $@-tmp > $@-tmp2

Makefile.help

@@ -1,4 +1,4 @@
-# Copyright (C) 2019-2026 Free Software Foundation, Inc.
+# Copyright (C) 2019-2021 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -33,10 +33,6 @@ test
 	Note that this will rebuild the test if needed, but will not
 	rebuild what "make all" would have rebuilt.
 
-build-math-static-tests
-	Enable extra math tests for static linking.  Use like this:
-		make test t=math/test-float-exp10-static build-math-static-tests=yes
-
 --
 Other useful hints:
 

Makefile.in

@@ -1,16 +1,5 @@
 srcdir = @srcdir@
 
-TEST_CC = @TEST_CC@
-TEST_CXX = @TEST_CXX@
-test-cc-option-wimplicit-fallthrough = @libc_cv_test_cc_wimplicit_fallthrough@
-test-config-cflags-mprefer-vector-width = @libc_cv_test_cc_mprefer_vector_width@
-test-config-cflags-signaling-nans = @libc_cv_test_cc_signaling_nans@
-test-cc-option-wfree-labels = @libc_cv_test_cc_wfree_labels@
-test-cc-option-wmissing-parameter-name = @libc_cv_test_cc_wmissing_parameter_name@
-test-enable-cet = @test_enable_cet@
-test-have-static-pie = @libc_cv_test_static_pie@
-test-supported-fortify = @libc_cv_test_supported_fortify_source@
-
 # Uncomment the line below if you want to do parallel build.
 # PARALLELMFLAGS = -j 4
 
@@ -19,22 +8,13 @@ test-supported-fortify = @libc_cv_test_supported_fortify_source@
 all .DEFAULT:
 	$(MAKE) -r PARALLELMFLAGS="$(PARALLELMFLAGS)" -C $(srcdir) objdir=`pwd` $@
 
-check xcheck test:
-	$(MAKE) -r PARALLELMFLAGS="$(PARALLELMFLAGS)" -C $(srcdir) \
-		CC="$(TEST_CC)" CXX="$(TEST_CXX)" \
-		cc-option-wimplicit-fallthrough="$(test-cc-option-wimplicit-fallthrough)" \
-		config-cflags-mprefer-vector-width="$(test-config-cflags-mprefer-vector-width)" \
-		config-cflags-signaling-nans="$(test-config-cflags-signaling-nans)" \
-		cc-option-wfree-labels="$(test-cc-option-wfree-labels)" \
-		cc-option-wmissing-parameter-name="$(test-cc-option-wmissing-parameter-name)" \
-		enable-cet="$(test-enable-cet)" \
-		have-static-pie="$(test-have-static-pie)" \
-		supported-fortify="$(test-supported-fortify)" \
-		objdir=`pwd` $@
-
 install:
 	LC_ALL=C; export LC_ALL; \
 	$(MAKE) -r PARALLELMFLAGS="$(PARALLELMFLAGS)" -C $(srcdir) objdir=`pwd` $@
 
 bench bench-clean bench-build:
 	$(MAKE) -C $(srcdir)/benchtests $(PARALLELMFLAGS) objdir=`pwd` $@
+
+# Convenience target to rebuild ULPs for all math tests.
+regen-ulps:
+	$(MAKE) -C $(srcdir)/math $(PARALLELMFLAGS) objdir=`pwd` $@

Makerules

@@ -1,4 +1,4 @@
-# Copyright (C) 1991-2026 Free Software Foundation, Inc.
+# Copyright (C) 1991-2021 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -200,7 +200,7 @@ endif
 ifndef subdir
 # If a makefile needs to do something conditional on something that
 # can only be figured out from headers, write a FOO.make.c input
-# file that uses cpp constructs and contains @@@ LINE @@@ for each LINE
+# file that uses cpp contructs and contains @@@ LINE @@@ for each LINE
 # to emit in the generated makefile, and use -include $(common-objpfx)FOO.make.
 #
 # We only generate these in the top-level makefile, to avoid any weirdness
@@ -424,12 +424,6 @@ $(objpfx)%$o: $(objpfx)%.c $(before-compile); $$(compile-command.c)
 endef
 object-suffixes-left := $(all-object-suffixes)
 include $(o-iterator)
-
-define o-iterator-doit
-$(objpfx)%$o: $(objpfx)%.cc $(before-compile); $$(compile-command.cc)
-endef
-object-suffixes-left := $(all-object-suffixes)
-include $(o-iterator)
 endif
 
 # Generate .dT files as we compile.
@@ -447,12 +441,10 @@ native-compile-mkdep-flags = -MMD -MP -MF $@.dt -MT $@
 compile.c = $(CC) $< -c $(CFLAGS) $(CPPFLAGS)
 compile.cc = $(CXX) $< -c $(CXXFLAGS) $(CPPFLAGS)
 compile.S = $(CC) $< -c $(CPPFLAGS) $(S-CPPFLAGS) \
-		  $(ASFLAGS) $(ASFLAGS-$(suffix $@)) $(sysdep-ASFLAGS) \
-		  $(ASFLAGS-$(<F)) $(ASFLAGS-$(@F))
+		  $(ASFLAGS) $(ASFLAGS-$(suffix $@))
 COMPILE.c = $(CC) -c $(CFLAGS) $(CPPFLAGS)
 COMPILE.S = $(CC) -c $(CPPFLAGS) $(S-CPPFLAGS) \
-		  $(ASFLAGS) $(ASFLAGS-$(suffix $@)) $(sysdep-ASFLAGS) \
-		  $(ASFLAGS-$(<F)) $(ASFLAGS-$(@F))
+		  $(ASFLAGS) $(ASFLAGS-$(suffix $@))
 
 # We need this for the output to go in the right place.  It will default to
 # empty if make was configured to work with a cc that can't grok -c and -o
@@ -467,16 +459,20 @@ compile-stdin.c = $(COMPILE.c) -o $@ -x c - $(compile-mkdep-flags)
 # get the wrong predefines.
 S-CPPFLAGS = -DASSEMBLER $(asm-CPPFLAGS)
 
+define +make-deps
+$(make-target-directory)
+$(+mkdep) $< $(if $(filter %.c,$<),$(CFLAGS)) \
+	     $(CPPFLAGS) $($(patsubst .%,%,$(suffix $(<F)))-CPPFLAGS) | sed -e\
+'s,$(subst .,\.,$(@F:.d=.o)),$(foreach o,$(all-object-suffixes),$(@:.d=$o)) $@,' \
+$(sed-remove-objpfx) $(sed-remove-dotdot) > $(@:.d=.T)
+mv -f $(@:.d=.T) $@ $(generate-md5)
+endef
+
 ifneq (,$(objpfx))
 # Continuation lines here are dangerous because they introduce spaces!
-# Also remove the /usr/include/tgmath.h dependency generated by Clang
-# even though Clang never reads /usr/include/tgmath.h.
-# https://github.com/llvm/llvm-project/issues/120891
 define sed-remove-objpfx
 -e 's@ $(subst .,\.,$(subst @,\@,$(common-objpfx)))@ $$(common-objpfx)@g' \
--e 's@^$(subst .,\.,$(subst @,\@,$(common-objpfx)))@$$(common-objpfx)@g' \
--e 's@/usr/include/tgmath.h:@@' \
--e 's@ /usr/include/tgmath.h@@'
+-e 's@^$(subst .,\.,$(subst @,\@,$(common-objpfx)))@$$(common-objpfx)@g'
 endef
 endif
 
@@ -508,9 +504,7 @@ ifeq ($(build-shared),yes)
 map-file = $(firstword $($(@F:.so=-map)) \
 		       $(addprefix $(common-objpfx), \
 				   $(filter $(@F:.so=.map),$(version-maps))))
-# The map version is created with multiple symbols that might not be
-# exported depending of the ABI.
-load-map-file = $(map-file:%=-Wl,--version-script=%) $(have-undefined-version)
+load-map-file = $(map-file:%=-Wl,--version-script=%)
 endif
 
 # Compiler arguments to use to link a shared object with libc and
@@ -545,7 +539,6 @@ lib%.so: lib%_pic.a $(+preinit) $(+postinit) $(link-libc-deps)
 define build-shlib-helper
 $(LINK.o) -shared -static-libgcc -Wl,-O1 $(sysdep-LDFLAGS) \
 	  $(if $($(@F)-no-z-defs)$(no-z-defs),,-Wl,-z,defs) $(rtld-LDFLAGS) \
-	  $(if $($(@F)-no-dt-relr),$(no-dt-relr-ldflag),$(dt-relr-ldflag)) \
 	  $(extra-B-$(@F:lib%.so=%).so) -B$(csu-objpfx) \
 	  $(extra-B-$(@F:lib%.so=%).so) $(load-map-file) \
 	  -Wl,-soname=lib$(libprefix)$(@F:lib%.so=%).so$($(@F)-version) \
@@ -553,20 +546,61 @@ $(LINK.o) -shared -static-libgcc -Wl,-O1 $(sysdep-LDFLAGS) \
 	  -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link)
 endef
 
+ifeq (yes,$(use-default-link))
+# If the linker is good enough, we can let it use its default linker script.
+shlib-lds =
+shlib-lds-flags =
+else
+# binutils only position loadable notes into the first page for binaries,
+# not for shared objects
+$(common-objpfx)shlib.lds: $(common-objpfx)config.make $(..)Makerules
+	$(LINK.o) -shared -Wl,-O1 \
+		  -nostdlib -nostartfiles \
+		  $(sysdep-LDFLAGS) $(rtld-LDFLAGS) $(LDFLAGS.so) \
+		  -Wl,--verbose 2>/dev/null | \
+	  sed > $@T \
+	      -e '/^=========/,/^=========/!d;/^=========/d' \
+	      $(if $(filter yes,$(have-hash-style)), \
+		   -e 's/^.*\.gnu\.hash[ 	]*:.*$$/  .note.ABI-tag : { *(.note.ABI-tag) } &/' \
+		   -e '/^[ 	]*\.hash[ 	]*:.*$$/{h;d;}' \
+		   -e '/DATA_SEGMENT_ALIGN/{H;g}' \
+		, \
+		   -e 's/^.*\.hash[ 	]*:.*$$/  .note.ABI-tag : { *(.note.ABI-tag) } &/' \
+	       ) \
+	      -e 's/^.*\*(\.dynbss).*$$/& \
+		 PROVIDE(__start___libc_freeres_ptrs = .); \
+		 *(__libc_freeres_ptrs) \
+		 PROVIDE(__stop___libc_freeres_ptrs = .);/'\
+	      -e 's@^.*\*(\.jcr).*$$@& \
+		 PROVIDE(__start___libc_subfreeres = .);\
+		 __libc_subfreeres : { *(__libc_subfreeres) }\
+		 PROVIDE(__stop___libc_subfreeres = .);\
+		 PROVIDE(__start___libc_atexit = .);\
+		 __libc_atexit : { *(__libc_atexit) }\
+		 PROVIDE(__stop___libc_atexit = .);\
+		 PROVIDE(__start___libc_IO_vtables = .);\
+		 __libc_IO_vtables : { *(__libc_IO_vtables) }\
+		 PROVIDE(__stop___libc_IO_vtables = .);\
+		 /DISCARD/ : { *(.gnu.glibc-stub.*) }@'
+	test -s $@T
+	mv -f $@T $@
+common-generated += shlib.lds
+
+shlib-lds = $(common-objpfx)shlib.lds
+shlib-lds-flags = -T $(shlib-lds)
+endif
+
 define build-shlib
-$(build-shlib-helper) -o $@ \
+$(build-shlib-helper) -o $@ $(shlib-lds-flags) \
 	  $(csu-objpfx)abi-note.o $(build-shlib-objlist)
 endef
 
 define build-module-helper
 $(LINK.o) -shared -static-libgcc $(sysdep-LDFLAGS) $(rtld-LDFLAGS) \
 	  $(if $($(@F)-no-z-defs)$(no-z-defs),,-Wl,-z,defs) \
-	  $(if $($(@F)-no-dt-relr),$(no-dt-relr-ldflag),$(dt-relr-ldflag)) \
 	  -B$(csu-objpfx) $(load-map-file) \
 	  $(LDFLAGS.so) $(LDFLAGS-$(@F:%.so=%).so) \
-	  $(link-test-modules-rpath-link) \
-	  -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link) \
-	  $(libgcc_eh)
+	  -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link)
 endef
 
 # This macro is similar to build-shlib but it does not define a soname
@@ -574,12 +608,12 @@ endef
 # binutils only position loadable notes into the first page for binaries,
 # not for shared objects
 define build-module
-$(build-module-helper) -o $@ \
+$(build-module-helper) -o $@ $(shlib-lds-flags) \
 	  $(csu-objpfx)abi-note.o $(build-module-objlist) $(link-libc-args)
 $(call after-link,$@)
 endef
 define build-module-asneeded
-$(build-module-helper) -o $@ \
+$(build-module-helper) -o $@ $(shlib-lds-flags) \
 	  $(csu-objpfx)abi-note.o \
 	  -Wl,--as-needed $(build-module-objlist) -Wl,--no-as-needed \
 	  $(link-libc-args)
@@ -590,7 +624,7 @@ endef
 build-module-helper-objlist = \
 	$(patsubst %_pic.a,$(whole-archive) %_pic.a $(no-whole-archive),\
 		   $(filter-out %.lds $(map-file) $(+preinit) $(+postinit) \
-				$(elf-objpfx)sofini.os $(+nolink-deps) \
+				$(elf-objpfx)sofini.os \
 				$(link-libc-deps),$^))
 
 build-module-objlist = $(build-module-helper-objlist) $(LDLIBS-$(@F:%.so=%).so)
@@ -606,11 +640,16 @@ LDFLAGS-c.so = -nostdlib -nostartfiles
 LDLIBS-c.so += $(libc.so-gnulib)
 # Give libc.so an entry point and make it directly runnable itself.
 LDFLAGS-c.so += -e __libc_main
-# Pre-link the objects of libc_pic.a for .gnu.glibc-stub.* processing.
+# Pre-link the objects of libc_pic.a so that we can locally resolve
+# COMMON symbols before we link against ld.so.  This is because ld.so
+# contains some of libc_pic.a already, which will prevent the COMMONs
+# from being allocated in libc.so, which introduces evil dependencies
+# between libc.so and ld.so, which can make it impossible to upgrade.
 $(common-objpfx)libc_pic.os: $(common-objpfx)libc_pic.a
 	$(LINK.o) -nostdlib -nostartfiles -r -o $@ \
-	$(LDFLAGS-c_pic.os) $(whole-archive) $^ -o $@
+	$(LDFLAGS-c_pic.os) -Wl,-d $(whole-archive) $^ -o $@
 
+ifeq (,$(strip $(shlib-lds-flags)))
 # Generate a list of -R options to excise .gnu.glibc-stub.* sections.
 $(common-objpfx)libc_pic.opts: $(common-objpfx)libc_pic.os
 	$(OBJDUMP) -h $< | \
@@ -624,6 +663,7 @@ $(common-objpfx)libc_pic.os.clean: $(common-objpfx)libc_pic.opts \
 generated += libc_pic.opts libc_pic.os.clean
 
 libc_pic_clean := .clean
+endif
 
 # Build a possibly-modified version of libc_pic.a for use in building
 # linkobj/libc.so.
@@ -653,14 +693,16 @@ $(common-objpfx)linkobj/libc.so: link-libc-deps = # empty
 $(common-objpfx)libc.so: $(common-objpfx)libc_pic.os$(libc_pic_clean) \
 			 $(elf-objpfx)sofini.os \
 			 $(elf-objpfx)interp.os \
-			 $(elf-objpfx)ld.so
+			 $(elf-objpfx)ld.so \
+			 $(shlib-lds)
 	$(build-shlib)
 	$(call after-link,$@)
 
 $(common-objpfx)linkobj/libc.so: $(common-objpfx)linkobj/libc_pic.a \
 			 $(elf-objpfx)sofini.os \
 			 $(elf-objpfx)interp.os \
-			 $(elf-objpfx)ld.so
+			 $(elf-objpfx)ld.so \
+			 $(shlib-lds)
 	$(build-shlib)
 	$(call after-link,$@)
 
@@ -721,7 +763,7 @@ endif
 
 extra-modules-build := $(filter-out $(modules-names-nobuild),$(modules-names))
 $(extra-modules-build:%=$(objpfx)%.so): $(objpfx)%.so: \
-		$(objpfx)%.os $(link-libs-deps)
+		$(objpfx)%.os $(shlib-lds) $(link-libs-deps)
 	$(build-module)
 endif
 
@@ -730,7 +772,6 @@ endif
 	     $(patsubst %.oS,%.d,$(filter %.oS,$(extra-objs))) \
 	     $(patsubst %.o,%.d,$(filter %.o,$(extra-test-objs:.os=.o))) \
 	     $(addsuffix .d,$(tests) $(tests-internal) $(xtests) \
-		$(tests-container) $(tests-printers) \
 		$(test-srcs) $(tests-time64) $(xtests-time64))
 ifeq ($(build-programs),yes)
 +depfiles += $(addsuffix .d,$(others) $(sysdep-others))
@@ -763,7 +804,7 @@ endif
 # Maximize efficiency by minimizing the number of rules.
 .SUFFIXES:	# Clear the suffix list.  We don't use suffix rules.
 # Don't define any builtin rules.
-MAKEFLAGS := $(MAKEFLAGS) -r
+MAKEFLAGS := $(MAKEFLAGS)r
 
 # Generic rule for making directories.
 %/:
@@ -780,7 +821,7 @@ MAKEFLAGS := $(MAKEFLAGS) -r
 .PRECIOUS: $(foreach l,$(libtypes),$(patsubst %,$(common-objpfx)$l,c))
 
 # Use the verbose option of ar and tar when not running silently.
-ifeq ($(silent-make),no)			# if not -s
+ifeq	"$(findstring s,$(MAKEFLAGS))" ""	# if not -s
 verbose := v
 else	   					# -s
 verbose	:=
@@ -1132,6 +1173,8 @@ $(inst_includedir)/%.h: $(common-objpfx)%.h $(+force)
 	$(do-install)
 $(inst_includedir)/%.h: %.h $(+force)
 	$(do-install)
+$(inst_includedir)/%.h: $(..)include/%.h $(+force)
+	$(do-install)
 headers-nonh := $(filter-out %.h,$(headers))
 ifdef headers-nonh
 $(addprefix $(inst_includedir)/,$(headers-nonh)): $(inst_includedir)/%: \
@@ -1191,9 +1234,6 @@ check: tests
 .PHONY: xcheck
 xcheck: xtests
 
-# Also handle test inputs in sysdeps.
-vpath %.input $(sysdirs)
-
 # Handle tests-time64 and xtests-time64 that should built with LFS
 # and 64-bit time support.
 include $(o-iterator)
@@ -1220,22 +1260,14 @@ lib := testsuite
 include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left))
 endif
 
-all-nonlib := $(strip $(others) $(others-extras))
+all-nonlib := $(strip $(tests-internal) $(test-internal-extras) \
+		      $(others) $(others-extras))
 ifneq (,$(all-nonlib))
 cpp-srcs-left = $(all-nonlib)
 lib := nonlib
 include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left))
 endif
 
-# All internal tests use testsuite-internal module since for 64 bit time
-# support is set as default for MODULE_NAME=nonlib (which include some
-# installed programs).
-all-testsuite-internal := $(strip $(tests-internal) $(test-internal-extras))
-ifneq (,$(all-testsuite-internal))
-cpp-srcs-left = $(all-testsuite-internal)
-lib := testsuite-internal
-include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left))
-endif
 
 ifeq ($(build-shared),yes)
 # Generate normalized lists of symbols, versions, and data sizes.
@@ -1329,6 +1361,46 @@ endif
 
 endif
 
+# These will have been set by sysdeps/posix/Makefile.
+L_tmpnam  ?= 1
+TMP_MAX   ?= 0
+L_ctermid ?= 1
+L_cuserid ?= 1
+
+stdio_lim = $(common-objpfx)bits/stdio_lim.h
+
+$(stdio_lim:lim.h=%.h) $(stdio_lim:lim.h=%.d): $(stdio_lim:lim.h=%.st); @:
+$(stdio_lim:h=st): $(..)stdio-common/stdio_lim.h.in $(..)Rules \
+		   $(common-objpfx)config.make
+	$(make-target-directory)
+	{ echo '#include "$(..)posix/bits/posix1_lim.h"';		\
+	} |								\
+	$(CC) -E -dM -MD -MP -MF $(@:st=dT) -MT '$(@:st=h) $(@:st=d)' 	\
+	      $(CPPUNDEFS) $(+includes) -xc - -o $(@:st=hT)
+	sed $(sed-remove-objpfx) $(sed-remove-dotdot)			\
+	    $(@:st=dT) > $(@:st=dt)
+	mv -f $(@:st=dt) $(@:st=d)
+	fopen_max=`sed -n 's/^#define OPEN_MAX //1p' $(@:st=hT)`; 	\
+	filename_max=`sed -n 's/^#define PATH_MAX //1p' $(@:st=hT)`;	\
+	fopen_max=$${fopen_max:-16};					\
+	filename_max=$${filename_max:-1024};				\
+	sed -e "s/@FOPEN_MAX@/$$fopen_max/"				\
+	    -e "s/@FILENAME_MAX@/$$filename_max/"			\
+	    -e "s/@L_tmpnam@/$(L_tmpnam)/"				\
+	    -e "s/@TMP_MAX@/$(TMP_MAX)/"				\
+	    -e "s/@L_ctermid@/$(L_ctermid)/"				\
+	    -e "s/@L_cuserid@/$(L_cuserid)/"				\
+	    $< > $(@:st=h.new)
+	$(move-if-change) $(@:st=h.new) $(@:st=h)
+# Remove these last so that they can be examined if something went wrong.
+	rm -f $(@:st=hT) $(@:st=dT) $(@:st=dt)
+	touch $@
+# Get dependencies.
+ifndef no_deps
+-include $(stdio_lim:h=d)
+endif
+common-generated += bits/stdio_lim.h bits/stdio_lim.d bits/stdio_lim.st
+
 FORCE:
 
 .PHONY: echo-headers
@@ -1345,13 +1417,18 @@ echo-headers:
 clean: common-clean
 mostlyclean: common-mostlyclean
 
-# Remove test artifacts from a given directory
 do-tests-clean:
-	-find $(objpfx) -name '*.out' -delete
-	-find $(objpfx) -name '*.test-result' -delete
+	-rm -f $(addprefix $(objpfx),$(addsuffix .out,$(tests) \
+						      $(tests-internal) \
+						      $(xtests) \
+						      $(test-srcs)) \
+				     $(addsuffix .test-result,$(tests) \
+							      $(tests-internal) \
+							      $(xtests) \
+							      $(test-srcs)))
 
 # Remove the object files.
-common-mostlyclean: do-tests-clean
+common-mostlyclean:
 	-rm -f $(addprefix $(objpfx),$(tests) $(tests-internal) $(xtests) \
 				     $(test-srcs) \
 				     $(others) $(sysdep-others) stubs \
@@ -1360,7 +1437,15 @@ common-mostlyclean: do-tests-clean
 						    $(xtests) \
 						    $(test-srcs) \
 						    $(others) \
-						    $(sysdep-others)))
+						    $(sysdep-others)) \
+				     $(addsuffix .out,$(tests) \
+						      $(tests-internal) \
+						      $(xtests) \
+						      $(test-srcs)) \
+				     $(addsuffix .test-result,$(tests) \
+							      $(tests-internal) \
+							      $(xtests) \
+							      $(test-srcs)))
 	-rm -f $(addprefix $(objpfx),$(extra-objs) $(extra-test-objs) \
 				     $(install-lib) $(install-lib.so) \
 				     $(install-lib.so:%.so=%_pic.a))
@@ -1403,7 +1488,7 @@ endif
 
 ifneq (,$(strip $(gpl2lgpl)))
 ifneq (,$(wildcard $(..)gpl2lgpl.sed))
-# Snarf from the original source and frob the copying notice.
+# Snarf from the master source and frob the copying notice.
 $(gpl2lgpl): %: $(..)gpl2lgpl.sed /home/gd/gnu/lib/%
 	sed -f $^ > $@-tmp
 # So I don't edit them by mistake.

README

@@ -12,7 +12,7 @@ implement the operating system behavior seen by user applications.
 In GNU/Hurd systems, it works with a microkernel and Hurd servers.
 
 The GNU C Library implements much of the POSIX.1 functionality in the
-GNU/Hurd system, using configurations i[4567]86-*-gnu and x86_64-gnu.
+GNU/Hurd system, using configurations i[4567]86-*-gnu.
 
 When working with Linux kernels, this version of the GNU C Library
 requires Linux kernel version 3.2 or later.
@@ -30,14 +30,14 @@ The GNU C Library supports these configurations for using Linux kernels:
 	hppa-*-linux-gnu
 	i[4567]86-*-linux-gnu
 	x86_64-*-linux-gnu	Can build either x86_64 or x32
-	loongarch64-*-linux-gnu Hardware floating point, LE only.
+	ia64-*-linux-gnu
 	m68k-*-linux-gnu
 	microblaze*-*-linux-gnu
 	mips-*-linux-gnu
 	mips64-*-linux-gnu
-	or1k-*-linux-gnu
 	powerpc-*-linux-gnu	Hardware or software floating point, BE only.
 	powerpc64*-*-linux-gnu	Big-endian and little-endian.
+	s390-*-linux-gnu
 	s390x-*-linux-gnu
 	riscv32-*-linux-gnu
 	riscv64-*-linux-gnu
@@ -62,10 +62,9 @@ following the bug-reporting instructions below.  Please be sure to check
 the manual in the current development sources to see if your problem has
 already been corrected.
 
-Please see https://sourceware.org/glibc/wiki/Bugzilla%20Procedures for bug
-reporting information.  We are now using the Bugzilla system to track all
-bug reports.  This web page gives detailed information on how to report
-bugs properly.
+Please see https://www.gnu.org/software/libc/bugs.html for bug reporting
+information.  We are now using the Bugzilla system to track all bug reports.
+This web page gives detailed information on how to report bugs properly.
 
 The GNU C Library is free software.  See the file COPYING.LIB for copying
 conditions, and LICENSES for notices about a few contributions that require

Rules

@@ -1,4 +1,4 @@
-# Copyright (C) 1991-2026 Free Software Foundation, Inc.
+# Copyright (C) 1991-2021 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -60,6 +60,9 @@ ifneq	"$(findstring env,$(origin common-generated))" ""
 common-generated :=
 endif
 
+# See below.  This must be set before Makerules processes it.
+before-compile += $(common-objpfx)bits/stdio_lim.h
+
 include $(..)Makerules
 
 .PHONY: subdir_lib
@@ -85,9 +88,8 @@ tests-special += $(objpfx)check-installed-headers-c.out
 libof-check-installed-headers-c := testsuite
 $(objpfx)check-installed-headers-c.out: \
     $(..)scripts/check-installed-headers.sh $(headers)
-	$(SHELL) $(..)scripts/check-installed-headers.sh c $(supported-fortify) \
-	  "$(CC) $(test-config-cflags-finput-charset-ascii) \
-	     $(filter-out -std=%,$(CFLAGS)) -D_ISOMAC $(+includes)" \
+	$(SHELL) $(..)scripts/check-installed-headers.sh c \
+	  "$(CC) $(filter-out -std=%,$(CFLAGS)) -D_ISOMAC $(+includes)" \
 	  $(headers) > $@; \
 	$(evaluate-test)
 
@@ -98,9 +100,8 @@ tests-special += $(objpfx)check-installed-headers-cxx.out
 libof-check-installed-headers-cxx := testsuite
 $(objpfx)check-installed-headers-cxx.out: \
     $(..)scripts/check-installed-headers.sh $(headers)
-	$(SHELL) $(..)scripts/check-installed-headers.sh c++ $(supported-fortify) \
-	  "$(CXX) $(test-config-cxxflags-finput-charset-ascii) \
-	     $(filter-out -std=%,$(CXXFLAGS)) -D_ISOMAC $(+includes)" \
+	$(SHELL) $(..)scripts/check-installed-headers.sh c++ \
+	  "$(CXX) $(filter-out -std=%,$(CXXFLAGS)) -D_ISOMAC $(+includes)" \
 	  $(headers) > $@; \
 	$(evaluate-test)
 endif # $(CXX)
@@ -145,72 +146,47 @@ endif
 others: $(py-const)
 
 ifeq ($(run-built-tests),no)
-# The $(xtests) dependency ensures that xtests are always built.
 tests: $(addprefix $(objpfx),$(filter-out $(tests-unsupported), \
-                                          $(tests) $(tests-internal) $(xtests) \
-					  $(tests-container) \
-					  $(tests-mcheck:%=%-mcheck) \
-					  $(tests-malloc-check:%=%-malloc-check) \
-					  $(tests-malloc-hugetlb1:%=%-malloc-hugetlb1) \
-					  $(tests-malloc-hugetlb2:%=%-malloc-hugetlb2) \
-					  $(tests-malloc-largetcache:%=%-malloc-largetcache)) \
+                                          $(tests) $(tests-internal) \
+					  $(tests-container)) \
 			     $(test-srcs)) $(tests-special) \
 			     $(tests-printers-programs)
 xtests: tests $(xtests-special)
-else # $(run-built-tests) != no
-# The $(xtests) dependency ensures that xtests are always built.
+else
 tests: $(tests:%=$(objpfx)%.out) $(tests-internal:%=$(objpfx)%.out) \
-       $(addprefix $(objpfx),$(filter-out $(tests-unsupported), $(xtests))) \
        $(tests-container:%=$(objpfx)%.out) \
        $(tests-mcheck:%=$(objpfx)%-mcheck.out) \
        $(tests-malloc-check:%=$(objpfx)%-malloc-check.out) \
-       $(tests-malloc-hugetlb1:%=$(objpfx)%-malloc-hugetlb1.out) \
-       $(tests-malloc-hugetlb2:%=$(objpfx)%-malloc-hugetlb2.out) \
-       $(tests-malloc-largetcache:%=$(objpfx)%-malloc-largetcache.out) \
        $(tests-special) $(tests-printers-out)
 xtests: tests $(xtests:%=$(objpfx)%.out) $(xtests-special)
-endif # $(run-built-tests) != no
+endif
 
 tests-special-notdir = $(patsubst $(objpfx)%, %, $(tests-special))
 xtests-special-notdir = $(patsubst $(objpfx)%, %, $(xtests-special))
 ifeq ($(run-built-tests),no)
 tests-expected =
-xtests-expected =
-else # $(run-built-tests) != no
+else
 tests-expected = $(tests) $(tests-internal) $(tests-printers) \
 	$(tests-container) $(tests-malloc-check:%=%-malloc-check) \
-	$(tests-malloc-hugetlb1:%=%-malloc-hugetlb1) \
-	$(tests-malloc-hugetlb2:%=%-malloc-hugetlb2) \
-	$(tests-malloc-largetcache:%=%-malloc-largetcache) \
 	$(tests-mcheck:%=%-mcheck)
-xtests-expected = $(xtests)
-endif # $(run-built-tests) != no
+endif
 tests:
 	$(..)scripts/merge-test-results.sh -s $(objpfx) $(subdir) \
 	  $(sort $(tests-expected) $(tests-special-notdir:.out=)) \
 	  > $(objpfx)subdir-tests.sum
 xtests:
 	$(..)scripts/merge-test-results.sh -s $(objpfx) $(subdir) \
-	  $(sort $(xtests-expected) $(xtests-special-notdir:.out=)) \
+	  $(sort $(xtests) $(xtests-special-notdir:.out=)) \
 	  > $(objpfx)subdir-xtests.sum
 
 ifeq ($(build-programs),yes)
-ifeq (yes,$(have-libgcc_s))
-# NB: Build programs in $(others-noinstall) like tests only if libgcc_s is
-# available.  Otherwise, "build-many-glibcs.py compilers" will fail to
-# build the initial glibc with the initial limited gcc due to the missing
-# libgcc_s.
-all-notests = $(others-noinstall)
-endif
-binaries-all-notests = $(filter-out $(all-notests), \
-			 $(others) $(sysdep-others))
+binaries-all-notests = $(others) $(sysdep-others)
 binaries-all-tests = $(tests) $(tests-internal) $(xtests) $(test-srcs) \
-		     $(tests-container) $(all-notests)
+		     $(tests-container)
 binaries-all = $(binaries-all-notests) $(binaries-all-tests)
 binaries-static-notests = $(others-static)
 binaries-static-tests = $(tests-static) $(xtests-static)
 binaries-static = $(binaries-static-notests) $(binaries-static-tests)
-binaries-shared-2.0-tests = $(tests-2.0)
 ifeq (yesyes,$(have-fpie)$(build-shared))
 binaries-pie-tests = $(tests-pie) $(xtests-pie)
 binaries-pie-notests = $(others-pie)
@@ -220,9 +196,6 @@ binaries-pie-notests =
 endif
 binaries-mcheck-tests = $(tests-mcheck:%=%-mcheck)
 binaries-malloc-check-tests = $(tests-malloc-check:%=%-malloc-check)
-binaries-malloc-hugetlb1-tests = $(tests-malloc-hugetlb1:%=%-malloc-hugetlb1)
-binaries-malloc-hugetlb2-tests = $(tests-malloc-hugetlb2:%=%-malloc-hugetlb2)
-binaries-malloc-largetcache-tests = $(tests-malloc-largetcache:%=%-malloc-largetcache)
 else
 binaries-all-notests =
 binaries-all-tests = $(tests) $(tests-internal) $(xtests) $(test-srcs)
@@ -234,14 +207,10 @@ binaries-pie-tests =
 binaries-pie-notests =
 binaries-mcheck-tests =
 binaries-malloc-check-tests =
-binaries-malloc-hugetlb1-tests =
-binaries-malloc-hugetlb2-tests =
-binaries-malloc-largetcache-tests =
 endif
 
 binaries-pie = $(binaries-pie-tests) $(binaries-pie-notests)
-binaries-shared-tests = $(filter-out $(binaries-pie) $(binaries-static) \
-				     $(binaries-shared-2.0-tests), \
+binaries-shared-tests = $(filter-out $(binaries-pie) $(binaries-static), \
 				     $(binaries-all-tests))
 binaries-shared-notests = $(filter-out $(binaries-pie) $(binaries-static), \
 				       $(binaries-all-notests))
@@ -254,22 +223,13 @@ $(addprefix $(objpfx),$(binaries-shared-notests)): %: %.o \
 endif
 
 ifneq "$(strip $(binaries-shared-tests))" ""
-$(addprefix $(objpfx),$(sort $(binaries-shared-tests))): %: %.o \
+$(addprefix $(objpfx),$(binaries-shared-tests)): %: %.o \
   $(link-extra-libs-tests) \
   $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
   $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
 	$(+link-tests)
 endif
 
-# Linking test programs with crt1.o from glibc 2.0.
-ifneq "$(strip $(binaries-shared-2.0-tests))" ""
-$(addprefix $(objpfx),$(binaries-shared-2.0-tests)): %: %.o \
-  $(link-extra-libs-tests) \
-  $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
-  $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
-	$(+link-2.0-tests)
-endif
-
 ifneq "$(strip $(binaries-mcheck-tests))" ""
 $(addprefix $(objpfx),$(binaries-mcheck-tests)): %-mcheck: %.o \
   $(link-extra-libs-tests) \
@@ -287,32 +247,6 @@ $(addprefix $(objpfx),$(binaries-malloc-check-tests)): %-malloc-check: %.o \
 	$(+link-tests)
 endif
 
-ifneq "$(strip $(binaries-malloc-hugetlb1-tests))" ""
-$(addprefix $(objpfx),$(binaries-malloc-hugetlb1-tests)): \
-%-malloc-hugetlb1: %-malloc-hugetlb1.o \
-  $(link-extra-libs-tests) \
-  $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
-  $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
-	$(+link-tests)
-endif
-
-ifneq "$(strip $(binaries-malloc-hugetlb2-tests))" ""
-$(addprefix $(objpfx),$(binaries-malloc-hugetlb2-tests)): \
-%-malloc-hugetlb2: %-malloc-hugetlb2.o \
-  $(link-extra-libs-tests) \
-  $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
-  $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
-	$(+link-tests)
-endif
-
-ifneq "$(strip $(binaries-malloc-largetcache-tests))" ""
-$(addprefix $(objpfx),$(binaries-malloc-largetcache-tests)): %-malloc-largetcache: %.o \
-  $(link-extra-libs-tests) \
-  $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
-  $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
-	$(+link-tests)
-endif
-
 ifneq "$(strip $(binaries-pie-tests))" ""
 $(addprefix $(objpfx),$(binaries-pie-tests)): %: %.o \
   $(link-extra-libs-tests) \
@@ -350,55 +284,19 @@ $(1)-malloc-check-ENV = MALLOC_CHECK_=3 \
 endef
 $(foreach t,$(tests-malloc-check),$(eval $(call malloc-check-ENVS,$(t))))
 
-# Generate environment variable GLIBC_TUNABLES to be appended to
-# the test environment, appending tunables specifically added for
-# each test to the ambient GLIBC_TUNABLES environment variable.
-# The *-TUNABLES-only can be used by a test to override any ambient
-# tunables.
-define test-tun-joined
-$(subst $(empty) ,:,$(strip $($*-TUNABLES)))
-endef
-define test-tunables-all
-$(if $($*-TUNABLES),$(if $(GLIBC_TUNABLES),GLIBC_TUNABLES=$(GLIBC_TUNABLES):$(test-tun-joined),GLIBC_TUNABLES=$(test-tun-joined)),)
-endef
-define test-tunables-only
-GLIBC_TUNABLES=$(subst $(empty) ,:,$(strip $($*-TUNABLES-only)))
-endef
-define test-tunables
-$(if $($*-TUNABLES-only),$(test-tunables-only),$(test-tunables-all))
-endef
-
-# All malloc-hugetlb1 tests will be run with GLIBC_TUNABLES=glibc.malloc.hugetlb=1
-define malloc-hugetlb1-ENVS
-$(1)-malloc-hugetlb1-TUNABLES += glibc.malloc.hugetlb=1
-endef
-$(foreach t,$(tests-malloc-hugetlb1),$(eval $(call malloc-hugetlb1-ENVS,$(t))))
-
-# All malloc-hugetlb2 tests will be run with GLIBC_TUNABLE=glibc.malloc.hugetlb=2
-define malloc-hugetlb2-ENVS
-$(1)-malloc-hugetlb2-TUNABLES += glibc.malloc.hugetlb=2
-endef
-$(foreach t,$(tests-malloc-hugetlb2),$(eval $(call malloc-hugetlb2-ENVS,$(t))))
-
-# All malloc-largetcache tests will be run with GLIBC_TUNABLE=glibc.malloc.tcache_max=1048576
-define malloc-largetcache-ENVS
-$(1)-malloc-largetcache-TUNABLES += glibc.malloc.tcache_max=1048576
-endef
-$(foreach t,$(tests-malloc-largetcache),$(eval $(call malloc-largetcache-ENVS,$(t))))
-
 # mcheck tests need the debug DSO to support -lmcheck.
 define mcheck-ENVS
 $(1)-mcheck-ENV = LD_PRELOAD=$(common-objpfx)/malloc/libc_malloc_debug.so
 endef
 $(foreach t,$(tests-mcheck),$(eval $(call mcheck-ENVS,$(t))))
 
-ifneq "$(strip $(tests) $(tests-container) $(tests-internal) $(xtests) $(test-srcs))" ""
-
+ifneq "$(strip $(tests) $(tests-internal) $(xtests) $(test-srcs))" ""
 # These are the implicit rules for making test outputs
 # from the test programs and whatever input files are present.
+
 define make-test-out
-$(if $($*-ENV-only),$(test-wrapper-env-only) $($*-ENV-only) $(test-tunables),\
-     $(test-wrapper-env) $(run-program-env) $($*-ENV) $(test-tunables)) \
+$(if $($*-ENV-only),$(test-wrapper-env-only) $($*-ENV-only),\
+     $(test-wrapper-env) $(run-program-env) $($*-ENV)) \
 $(host-test-program-cmd) $($*-ARGS)
 endef
 $(objpfx)%.out: %.input $(objpfx)%
@@ -413,8 +311,8 @@ $(objpfx)%.out: /dev/null $(objpfx)%	# Make it 2nd arg for canned sequence.
 # and pid namespaces) in which to run, should be added to
 # tests-container.
 $(tests-container:%=$(objpfx)%.out): $(objpfx)%.out : $(if $(wildcard $(objpfx)%.files),$(objpfx)%.files,/dev/null) $(objpfx)%
-	$(test-wrapper-env) $(run-program-env) $(test-via-rtld-prefix) \
-	  $(common-objpfx)support/test-container env $(run-program-env) $($*-ENV) $(test-tunables) \
+	$(test-wrapper-env) $(run-program-env) $(run-via-rtld-prefix) \
+	  $(common-objpfx)support/test-container env $(run-program-env) $($*-ENV) \
 	  $(host-test-program-cmd) $($*-ARGS) > $@; \
 	$(evaluate-test)
 

SECURITY.md

@@ -1,176 +0,0 @@
-# The GNU C Library Security Policy
-
-This document describes the policy followed by the GNU C Library maintainers
-to handle bugs that may have a security impact.  This includes determining if a
-bug has a security impact, reporting such bugs to the community and handling
-such bugs all the way to resolution.  This policy may evolve over time, so if
-you're reading this from a release tarball, be sure to check the latest copy of
-the [SECURITY.md in the
-repository](https://sourceware.org/git/?p=glibc.git;a=blob;f=SECURITY.md),
-especially for instructions on reporting issues privately.
-
-## What is a security bug?
-
-Most security vulnerabilities in the GNU C Library materialize only after an
-application uses functionality in a specific way.  Therefore, it is sometimes
-difficult to determine if a defect in the GNU C Library constitutes a
-vulnerability as such.  The follow guidelines can help with a decision.
-
-* Buffer overflows should be treated as security bugs if it is conceivable that
-  the data triggering them can come from an untrusted source.
-* Other bugs that cause memory corruption which is likely exploitable should be
-  treated as security bugs.
-* Information disclosure can be security bugs, especially if exposure through
-  applications can be determined.
-* Memory leaks and races are security bugs if they cause service breakage.
-* Stack overflow through unbounded alloca calls or variable-length arrays are
-  security bugs if it is conceivable that the data triggering the overflow
-  could come from an untrusted source.
-* Stack overflow through deep recursion and other crashes are security bugs if
-  they cause service breakage.
-* Bugs that cripple the whole system (so that it doesn't even boot or does not
-  run most applications) are not security bugs because they will not be
-  exploitable in practice, due to general system instability.
-* Bugs that crash `nscd` are generally security bugs, except if they can only
-  be triggered by a trusted data source (DNS is not trusted, but NIS and LDAP
-  probably are).
-* The [Security Exceptions](#SecurityExceptions) section below describes
-  subsystems for which determining the security status of bugs is especially
-  complicated.
-* For consistency, if the bug has received a CVE name attributing it to the GNU
-  C library, it should be flagged `security+`.
-* Duplicates of security bugs (flagged with `security+`) should be flagged
-  `security-`, to avoid cluttering the reporting.
-
-In this context, _service breakage_ means client-side privilege escalation
-(code execution) or server-side denial of service or privilege escalation
-through actual, concrete, non-synthetic applications. Or put differently, if
-the GNU C Library causes a security bug in an application (and the application
-uses the library in a standard-conforming manner or according to the manual),
-the GNU C Library bug should be treated as security-relevant.
-
-### Security Exceptions
-
-It may be especially complicated to determine the security status of bugs in
-some subsystems in the GNU C Library.  This subsection describes such
-subsystems and the special considerations applicable during security bug
-classification in them.
-
-#### Regular expression processing
-
-Regular expression processing comes in two parts, compilation (through regcomp)
-and execution (through regexec).
-
-Implementing regular expressions efficiently, in a standard-conforming way, and
-without denial-of-service vulnerabilities is very difficult and impossible for
-Basic Regular Expressions. Most implementation strategies have issues dealing
-with certain classes of patterns.
-
-Consequently, certain issues which can be triggered only with crafted patterns
-(either during compilation or execution) are treated as regular bugs and not
-security issues.  Examples of such issues would include (but is not limited
-to):
-
- * Running out of memory through valid use of malloc
- * Quadratic or exponential behaviour resulting in slow execution time
- * Stack overflows due to recursion when processing patterns
-
-Crashes, infinite loops (and not merely exponential behavior), buffer overflows
-and overreads, memory leaks and other bugs resulting from the regex
-implementation relying on undefined behavior should be treated as security
-vulnerabilities.
-
-#### wordexp patterns
-
-`wordexp` inherently has exponential memory consumption in terms of the input
-size.  This means that denial of service flaws from crafted patterns are not
-security issues (even if they lead to other issues, such as NULL pointer
-dereferences).
-
-#### Asynchronous I/O
-
-The GNU C Library tries to implement asynchronous I/O without kernel support,
-which means that several operations are not fully standard conforming.  Several
-known races can cause crashes and resource leaks.  Such bugs are only treated
-as security bugs if applications (as opposed to synthetic test cases) have
-security exposures due to these bugs.
-
-#### Asynchronous cancellation
-
-The implementation of asynchronous cancellation is not fully
-standard-conforming and has races and leaks.  Again, such bugs are only treated
-as security bugs if applications (as opposed to synthetic test cases) have
-security exposures due to these bugs.
-
-#### Crafted binaries and ldd
-
-The `ldd` tool is not expected to be used with untrusted executables.
-
-#### Post-exploitation countermeasures
-
-Certain features have been added to the library only to make exploitation of
-security bugs (mainly for code execution) more difficult.  Examples includes
-the stack smashing protector, function pointer obfuscation, vtable validation
-for stdio stream handles, and various heap consistency checks.  Failure of such
-countermeasures to stop exploitation of a different vulnerability is not a
-security vulnerability in itself.  By their nature, these countermeasures are
-based on heuristics and will never offer complete protection, so the original
-vulnerability needs to be fixed anyway.
-
-## Reporting security bugs
-
-The process to report security bugs is documented on the glibc [security
-page](https://sourceware.org/glibc/security.html).  In general, most security
-bugs may be reported publicly in the [glibc
-bugzilla](https://sourceware.org/glibc/bugs.html), but if in doubt, please feel
-free to report security issues privately first.
-
-## Triaging security bugs
-
-This section is aimed at developers, not reporters.
-
-Security-relevant bugs should be marked with `security+`, as per the [Bugzilla
-security flag
-documentation](https://sourceware.org/glibc/wiki/Bugzilla%20Procedures#security),
-following the guidelines above.  If you set the `security+` flag, you should
-make sure the following information is included in the bug (usually in a bug
-comment):
-
-* The first glibc version which includes the vulnerable code.  If the
-  vulnerability was introduced before glibc 2.4 (released in 2006), this
-  information is not necessary.
-* The commit or commits (identified by hash) that fix this vulnerability in the
-  master branch, and (for historic security bugs) the first release that
-  includes this fix.
-* The summary should include the CVE names (if any), in parentheses at the end.
-* If there is a single CVE name assigned to this bug, it should be set as an
-  alias.
-
-The following links are helpful for finding untriaged bugs:
-
-* [Unprocessed bugs](https://sourceware.org/bugzilla/buglist.cgi?f1=flagtypes.name&o1=notsubstring&product=glibc&query_format=advanced&v1=security)
-* [`security?` review requests](https://sourceware.org/bugzilla/buglist.cgi?f1=flagtypes.name&o1=substring&product=glibc&query_format=advanced&v1=security%3f)
-* [Open `security+` bugs](https://sourceware.org/bugzilla/buglist.cgi?bug_status=UNCONFIRMED&bug_status=NEW&bug_status=ASSIGNED&bug_status=SUSPENDED&bug_status=WAITING&bug_status=REOPENED&bug_status=VERIFIED&f1=flagtypes.name&o1=substring&product=glibc&query_format=advanced&v1=security%2B)
-
-## Fixing security bugs
-
-For changes to master, the regular [consensus-driven
-process](https://sourceware.org/glibc/wiki/Consensus) must be followed.  It
-makes sense to obtain consensus in private, to ensure that the patch is likely
-in a committable state, before disclosing an emboargoed vulnerability.
-
-Security backports to release branches need to follow the
-[release process](https://sourceware.org/glibc/wiki/Release#General_policy).
-
-Contact the [website
-maintainers](https://sourceware.org/glibc/wiki/MAINTAINERS#Maintainers_for_the_website)
-and have them draft a news entry for the website frontpage to direct users to
-the bug, the fix, or the mailing list discussions.
-
-## CVE assignment
-
-Security bugs flagged with `security+` should have [CVE
-identifiers](https://www.cve.org/About/Overview). Please reach out to the glibc
-security team using the documented [security
-process](https://sourceware.org/glibc/security.html) and they work on getting a
-CVE number.

SHARED-FILES

@@ -1,855 +0,0 @@
-# Files shared with other projects.  Pass a file path to the
-# get_glibc_shared_code() function in the python library
-# scripts/glibc_shared_code.py to get a dict object with this information.  See
-# the library sources for more information.
-
-# The headers on most of these files indicate that glibc is the canonical
-# source for these files, although in many cases there seem to be useful
-# changes in the gnulib versions that could be merged back in. Not all gnulib
-# files contain such a header and it is not always consistent in its format, so
-# it would be useful to make sure that all gnulib files that are using glibc as
-# upstream have a greppable header.
-#
-# These files are quite hard to find without a header to grep for and each file
-# has to be compared manually so this list is likely incomplete or may contain
-# errors.
-gnulib:
-  COPYINGv2
-  COPYINGv3
-  COPYING.LESSERv2
-  doc/fdl-1.3.texi
-  argp/argp-ba.c
-  argp/argp-ba.c
-  argp/argp-eexst.c
-  argp/argp-fmtstream.c
-  argp/argp-fmtstream.h
-  argp/argp-fs-xinl.c
-  argp/argp-help.c
-  argp/argp-namefrob.h
-  argp/argp-parse.c
-  argp/argp-pv.c
-  argp/argp-pvh.c
-  argp/argp-xinl.c
-  argp/argp.h
-  dirent/alphasort.c
-  dirent/scandir.c
-  # Merged from gnulib 2025-10-29 (gnulib commit 1790ef25d8)
-  include/intprops.h
-  include/intprops-internal.h
-  # Merged from gnulib 2026-02-16
-  include/assure.h
-  include/flexmember.h
-  include/hash.h
-  include/next-prime.h
-  include/xalloc-oversized.h
-  # Merged from gnulib 2021-09-21
-  include/regex.h
-  # Merged from gnulib 2026-02-16
-  io/cycle-check.c
-  io/cycle-check.h
-  io/dev-ino.h
-  io/fts-cycle.c
-  io/fts-common.c
-  io/i-ring.c
-  io/same-inode.h
-  locale/programs/3level.h
-  # Merged from gnulib 2014-6-23
-  malloc/obstack.c
-  # Merged from gnulib 2014-6-23
-  malloc/obstack.h
-  # Merged from gnulib 2014-07-10
-  misc/error.c
-  misc/error.h
-  misc/getpass.c
-  misc/hash.c
-  misc/mkdtemp.c
-  misc/next-prime.c
-  # Merged from gnulib 2021-09-21
-  misc/sys/cdefs.h
-  posix/fnmatch_loop.c
-  # Intended to be the same. Gnulib copy contains glibc changes.
-  posix/getopt.c
-  # Intended to be the same. Gnulib copy contains glibc changes.
-  posix/getopt1.c
-  # Intended to be the same. Gnulib copy contains glibc changes.
-  posix/getopt_int.h
-  posix/glob.c
-  # Merged from gnulib 2021-09-21
-  posix/regcomp.c
-  # Merged from gnulib 2021-09-21
-  posix/regex.c
-  # Merged from gnulib 2021-09-21
-  posix/regex.h
-  # Merged from gnulib 2021-09-21
-  posix/regex_internal.c
-  # Merged from gnulib 2021-09-21
-  posix/regex_internal.h
-  # Merged from gnulib 2021-09-21
-  posix/regexec.c
-  posix/spawn.c
-  posix/spawn_faction_addclose.c
-  posix/spawn_faction_adddup2.c
-  posix/spawn_faction_addopen.c
-  posix/spawn_faction_destroy.c
-  posix/spawn_faction_init.c
-  posix/spawn_int.h
-  posix/spawnattr_destroy.c
-  posix/spawnattr_getdefault.c
-  posix/spawnattr_getflags.c
-  posix/spawnattr_getpgroup.c
-  posix/spawnattr_getschedparam.c
-  posix/spawnattr_getschedpolicy.c
-  posix/spawnattr_getsigmask.c
-  posix/spawnattr_init.c
-  posix/spawnattr_setdefault.c
-  posix/spawnattr_setflags.c
-  posix/spawnattr_setpgroup.c
-  posix/spawnattr_setschedparam.c
-  posix/spawnattr_setschedpolicy.c
-  posix/spawnattr_setsigmask.c
-  posix/spawnp.c
-  stdlib/atoll.c
-  stdlib/getsubopt.c
-  stdlib/setenv.c
-  stdlib/strtoll.c
-  stdlib/strtoul.c
-  stdlib/tst-stdc_rotate_left.c
-  stdlib/tst-stdc_rotate_right.c
-  # Merged from gnulib 2014-6-26, needs merge back
-  string/memchr.c
-  string/memcmp.c
-  string/memmem.c
-  string/mempcpy.c
-  string/memrchr.c
-  string/rawmemchr.c
-  string/stpcpy.c
-  string/stpncpy.c
-  string/str-two-way.h
-  string/strcasestr.c
-  string/strcspn.c
-  string/strdup.c
-  string/strndup.c
-  string/strpbrk.c
-  string/strsignal.c
-  string/strstr.c
-  string/strtok_r.c
-  string/strverscmp.c
-  # Merged from gnulib 2024-04-08 (gnulib commit 3238349628)
-  stdio-common/tmpdir.c
-  stdio-common/tmpdir.h
-  sysdeps/generic/pty-private.h
-  sysdeps/generic/siglist.h
-  sysdeps/posix/euidaccess.c
-  sysdeps/posix/gai_strerror.c
-  sysdeps/posix/getcwd.c
-  sysdeps/posix/pwrite.c
-  sysdeps/posix/spawni.c
-  # Merged from gnulib 2024-04-08 (gnulib commit 3238349628)
-  sysdeps/posix/tempname.c
-  # Merged from gnulib 2014-6-27
-  time/mktime.c
-  time/mktime-internal.h
-  time/strptime.c
-  time/timegm.c
-
-# Synced with GNU gettext 1.0 (2026-05-18), through gettext commit 2ebbdd0e2.
-#
-# This commit was omitted from the merge as it does not appear to be compatible
-# with how glibc expects things to work:
-#
-# commit 279b57fc367251666f00e8e2b599b83703451afb
-# Author: Bruno Haible <bruno@clisp.org>
-# Date:   Fri Jun 14 12:03:49 2002 +0000
-#
-#     Make absolute pathnames inside $LANGUAGE work.
-gettext:
-  intl/bindtextdom.c
-  intl/dcgettext.c
-  intl/dcigettext.c
-  intl/dcngettext.c
-  intl/dgettext.c
-  intl/dngettext.c
-  intl/eval-plural.h
-  intl/explodename.c
-  intl/finddomain.c
-  intl/gettext.c
-  intl/gettextP.h
-  intl/gmo.h
-  intl/hash-string.c
-  intl/hash-string.h
-  intl/l10nflist.c
-  intl/loadinfo.h
-  intl/loadmsgcat.c
-  intl/locale.alias
-  intl/localealias.c
-  intl/ngettext.c
-  intl/plural-exp.c
-  intl/plural-exp.h
-  intl/plural.y
-  intl/textdomain.c
-
-# The following files are bundled from upstream Linux 6.10 for FUSE testing
-# support.
-linux:
-  support/bundled/linux/COPYING
-  support/bundled/linux/LICENSES
-  support/bundled/linux/LICENSES/exceptions/Linux-syscall-note
-  support/bundled/linux/LICENSES/preferred/GPL-2.0
-  support/bundled/linux/include/uapi/linux/fuse.h
-
-# The following files are shared with the upstream Unicode project and must be
-# updated regularly to stay in sync with the upstream unicode releases.
-#
-# Merged from Unicode 17.0.0 release (2025 September 9)
-unicode:
-  localedata/unicode-gen/UnicodeData.txt
-  localedata/unicode-gen/unicode-license.txt
-  localedata/unicode-gen/DerivedCoreProperties.txt
-  localedata/unicode-gen/EastAsianWidth.txt
-  localedata/unicode-gen/HangulSyllableType.txt
-
-# The following files are shared with the upstream tzcode project and must be
-# updated regularly to stay in sync with the upstream releases.
-#
-# Currently synced to TZDB 2026b, distributed at:
-#	https://github.com/eggert/tz/releases/tag/2026b
-#	https://data.iana.org/time-zones/releases/tzdb-2026b.tar.lz
-tzcode:
-  timezone/private.h
-  timezone/tzfile.h
-  timezone/tzselect.ksh
-  timezone/version
-  timezone/zdump.c
-  timezone/zic.c
-
-# The following files are shared with the upstream tzdata project but is not
-# synchronized regularly. The data files themselves are used only for testing
-# purposes and their data is never used to generate any output. We synchronize
-# them only to stay on top of newer data that might help with testing.
-#
-# Currently synced to tzcode 2009i, announced and distributed here:
-#	https://mm.icann.org/pipermail/tz/2009-June/040697.html
-#	https://data.iana.org/time-zones/releases/tzdata2009i.tar.gz
-tzdata:
-  timezone/africa
-  timezone/antarctica
-  timezone/asia
-  timezone/australasia
-  timezone/europe
-  timezone/northamerica
-  timezone/southamerica
-  timezone/pacificnew
-  timezone/etcetera
-  timezone/factory
-  timezone/backward
-  timezone/systemv
-  timezone/solar87
-  timezone/solar88
-  timezone/solar89
-  timezone/iso3166.tab
-  timezone/zone.tab
-  timezone/leapseconds
-  # This is yearistype.sh in the parent project
-  timezone/yearistype
-
-# The following files are imported from the CORE-MATH project, with
-# adjustments made to follow glibc code style, to utilize internal error
-# handling functions, and to implement minor fixes for ABIs with
-# FLT_EVAL_METHOD equal to 2 (i386).  Additionally, extra optimizations
-# are applied to share the internal data table across different
-# implementations.
-#
-# The project is distribute here:
-#       https://gitlab.inria.fr/core-math/core-math/
-core-math:
-  # src/binary64/acosh/acosh.c, revision 887cab6f
-  sysdeps/ieee754/dbl-64/e_acosh.c
-  # src/binary64/atanh/atanh.c, revision 532e37dc
-  sysdeps/ieee754/dbl-64/e_atanh.c
-  # src/binary64/cosh/cosh.c, revision 5d0c89d5
-  sysdeps/ieee754/dbl-64/e_cosh.c
-  # src/binary64/tgamma/tgamma.c, revision 0f185e23
-  sysdeps/ieee754/dbl-64/e_gamma_r.c
-  # src/binary64/lgamma/lgamma.c, revision 0413bb7e
-  sysdeps/ieee754/dbl-64/e_lgamma_r.c
-  # src/binary64/sinh/sinh.c, revision 8127b7ac
-  sysdeps/ieee754/dbl-64/e_sinh.c
-  # src/binary64/asinh/asinh.c, revision cd653cf7
-  sysdeps/ieee754/dbl-64/s_asinh.c
-  # src/binary64/erf/erf.c, revision 384ed01d
-  sysdeps/ieee754/dbl-64/s_erf.c
-  # src/binary64/erfc/erfc.c, revision 55e9869e
-  sysdeps/ieee754/dbl-64/s_erfc.c
-  # src/binary64/tanh/tanh.c, revision 8ea8ea35
-  sysdeps/ieee754/dbl-64/s_tanh.c
-  # src/binary32/acos/acosf.c, revision 56dd347
-  sysdeps/ieee754/flt-32/e_acosf.c
-  # src/binary32/acosh/acoshf.c, revision d0b9ddd
-  sysdeps/ieee754/flt-32/e_acoshf.c
-  # file src/binary32/cosh/coshf.c, revision de59ecfb
-  sysdeps/ieee754/flt-32/e_coshf.c
-  # src/binary32/tgamma/tgammaf.c, revision 8ea8ea35
-  sysdeps/ieee754/flt-32/e_gammaf_r.c
-  # src/binary32/lgamma/lgammaf.c, revision 8ea8ea35
-  sysdeps/ieee754/flt-32/e_lgammaf_r.c
-  # src/binary32/log10/log10f.c, revision ebff4c43
-  sysdeps/ieee754/flt-32/e_log10f.c
-  # src/binary32/sinh/sinhf.c, revision bbfabd99
-  sysdeps/ieee754/flt-32/e_sinhf.c
-  # src/binary32/acospi/acospif.c, revision 1a6a9ab
-  sysdeps/ieee754/flt-32/s_acospif.c
-  # src/binary32/asinpi/asinpif.c, revision 6ee58266
-  sysdeps/ieee754/flt-32/s_asinpif.c
-  # src/binary32/atan2pi/atan2pif.c, revision dbebee1
-  sysdeps/ieee754/flt-32/s_atan2pif.c
-  # src/binary32/atanpi/atanpif.c, revision e02000e
-  sysdeps/ieee754/flt-32/s_atanpif.c
-  # src/binary32/cbrt/cbrtf.c, revision f7c7408d
-  sysdeps/ieee754/flt-32/s_cbrtf.c
-  # src/binary32/cospi/cospif.c, revision bbfabd99
-  sysdeps/ieee754/flt-32/s_cospif.c
-  # src/binary32/erfc/erfcf.c revision d0a2be20
-  sysdeps/ieee754/flt-32/s_erfcf.c
-  # src/binary32/erf/erff.c revision bc385c2
-  sysdeps/ieee754/flt-32/s_erff.c
-  # src/binary32/exp10m1/exp10m1f.c, revision c46b85b
-  sysdeps/ieee754/flt-32/s_exp10m1f.c
-  # src/binary32/exp2m1/exp2m1f.c, revision baf5f6b
-  sysdeps/ieee754/flt-32/s_exp2m1f.c
-  # src/binary32/expm1/expm1f.c, revision bc385c2
-  sysdeps/ieee754/flt-32/s_expm1f.c
-  # src/binary32/log10p1/log10p1f.c revision eb28456b
-  sysdeps/ieee754/flt-32/s_log10p1f.c
-  # src/binary32/log1p/log1pf.c revision 24ef43a1
-  sysdeps/ieee754/flt-32/s_log1pf.c
-  # src/binary32/log2p1/log2p1f.c revision 3fbe16be
-  sysdeps/ieee754/flt-32/s_log2p1f.c
-  # src/binary32/sinpi/sinpif.c, revision bbfabd99d
-  sysdeps/ieee754/flt-32/s_sinpif.c
-  # src/binary32/tan/tanf.c, revision 59d21d7
-  sysdeps/ieee754/flt-32/s_tanf.c
-  # src/binary32/tanh/tanhf.c, revision b1ecd83
-  sysdeps/ieee754/flt-32/s_tanhf.c
-  # src/binary32/tanpi/tanpif.c, revision 3bbf907
-  sysdeps/ieee754/flt-32/s_tanpif.c
-
-# The following files are imported from the Arm Optimized-Routines project,
-# with adjustments made to follow glibc code style and integrate with
-# glibc-specific infrastructure where needed.
-#
-# The project is distributed here:
-#       https://github.com/ARM-software/optimized-routines/
-arm-optimized-routines:
-  # Math routines
-  # math/math_config.h, revision 712aa21
-  sysdeps/ieee754/flt-32/math_config.h
-  # math/math_config.h, revision 712aa21
-  sysdeps/ieee754/dbl-64/math_config.h
-  # math/math_err.c, revision 189dfef
-  sysdeps/ieee754/dbl-64/math_err.c
-  # math/math_errf.c, revision 189dfef
-  sysdeps/ieee754/flt-32/math_errf.c
-  # math/cosf.c, revision aec783d
-  sysdeps/ieee754/flt-32/s_cosf.c
-  # math/exp2f.c, revision 712aa21
-  sysdeps/ieee754/flt-32/e_exp2f.c
-  # math/exp2f_data.c, revision 189dfef
-  sysdeps/ieee754/flt-32/e_exp2f_data.c
-  # math/expf.c, revision 712aa21
-  sysdeps/ieee754/flt-32/e_expf.c
-  # math/log2f.c, revision 712aa21
-  sysdeps/ieee754/flt-32/e_log2f.c
-  # math/log2f_data.c, revision 189dfef
-  sysdeps/ieee754/flt-32/e_log2f_data.c
-  # math/logf.c, revision 712aa21
-  sysdeps/ieee754/flt-32/e_logf.c
-  # math/logf_data.c, revision c0136f1
-  sysdeps/ieee754/flt-32/e_logf_data.c
-  # math/powf.c, revision 712aa21
-  sysdeps/ieee754/flt-32/e_powf.c
-  # math/powf_log2_data.c, revision 189dfef
-  sysdeps/ieee754/flt-32/e_powf_log2_data.c
-  # math/sincosf.c, revision af29d39
-  sysdeps/ieee754/flt-32/s_sincosf.c
-  # math/sincosf.h, revision aed553c
-  sysdeps/ieee754/flt-32/s_sincosf.h
-  # math/sincosf_data.c, revision 189dfef
-  sysdeps/ieee754/flt-32/s_sincosf_data.c
-  # math/sinf.c, revision aec783d
-  sysdeps/ieee754/flt-32/s_sinf.c
-  # math/exp.c, revision 712aa21
-  sysdeps/ieee754/dbl-64/e_exp.c
-  # math/exp10.c, revision 712aa21
-  sysdeps/ieee754/dbl-64/e_exp10.c
-  # math/exp2.c, revision 712aa21
-  sysdeps/ieee754/dbl-64/e_exp2.c
-  # math/exp_data.c, revision c013701
-  sysdeps/ieee754/dbl-64/e_exp_data.c
-  # math/log.c, revision 712aa21
-  sysdeps/ieee754/dbl-64/e_log.c
-  # math/log2.c, revision 712aa21
-  sysdeps/ieee754/dbl-64/e_log2.c
-  # math/log2_data.c, revision 189dfef
-  sysdeps/ieee754/dbl-64/e_log2_data.c
-  # math/log_data.c, revision 189dfef
-  sysdeps/ieee754/dbl-64/e_log_data.c
-  # math/pow.c, revision 712aa21
-  sysdeps/ieee754/dbl-64/e_pow.c
-  # math/pow_log_data.c, revision 189dfef
-  sysdeps/ieee754/dbl-64/e_pow_log_data.c
-  # Mathvec routines
-  # math/math_config.h, revision 712aa21
-  sysdeps/aarch64/fpu/vecmath_config.h
-  # math/aarch64/v_erf_data.c, revision 0a6ab6d
-  sysdeps/aarch64/fpu/erf_data.c
-  # math/aarch64/v_erfc_data.c, revision 0a6ab6d
-  sysdeps/aarch64/fpu/erfc_data.c
-  # math/aarch64/v_erfcf_data.c, revision 0a6ab6d
-  sysdeps/aarch64/fpu/erfcf_data.c
-  # math/aarch64/v_erff_data.c, revision 0a6ab6d
-  sysdeps/aarch64/fpu/erff_data.c
-  # math/aarch64/v_exp_data.c, revision 0a6ab6d
-  sysdeps/aarch64/fpu/v_exp_data.c
-  # math/aarch64/v_exp_tail_data.c, revision 0a6ab6d
-  sysdeps/aarch64/fpu/v_exp_tail_data.c
-  # math/aarch64/v_log10_data.c, revision 0a6ab6d
-  sysdeps/aarch64/fpu/v_log10_data.c
-  # math/aarch64/v_log2_data.c, revision 0a6ab6d
-  sysdeps/aarch64/fpu/v_log2_data.c
-  # math/aarch64/v_log_data.c, revision 0a6ab6d
-  sysdeps/aarch64/fpu/v_log_data.c
-  # math/aarch64/v_pow_exp_data.c, revision 0a6ab6d
-  sysdeps/aarch64/fpu/v_pow_exp_data.c
-  # math/aarch64/v_pow_log_data.c, revision 0a6ab6d
-  sysdeps/aarch64/fpu/v_pow_log_data.c
-  # math/aarch64/v_powf_data.c, revision 0a6ab6d
-  sysdeps/aarch64/fpu/v_powf_data.c
-  # math/aarch64/sve/acos.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/acos.c
-  # math/aarch64/sve/acosf.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/acosf.c
-  # math/aarch64/sve/acosh.c, revision 8b665af
-  sysdeps/aarch64/fpu/sve/acosh.c
-  # math/aarch64/sve/acoshf.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/acoshf.c
-  # math/aarch64/sve/acospi.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/acospi.c
-  # math/aarch64/sve/acospif.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/acospif.c
-  # math/aarch64/sve/asin.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/asin.c
-  # math/aarch64/sve/asinf.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/asinf.c
-  # math/aarch64/sve/asinh.c, revision 9bf4cfc
-  sysdeps/aarch64/fpu/sve/asinh.c
-  # math/aarch64/sve/asinhf.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/asinhf.c
-  # math/aarch64/sve/asinpi.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/asinpi.c
-  # math/aarch64/sve/asinpif.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/asinpif.c
-  # math/aarch64/sve/atan.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/atan.c
-  # math/aarch64/sve/atan2.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/atan2.c
-  # math/aarch64/sve/atan2f.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/atan2f.c
-  # math/aarch64/sve/atan2pi.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/atan2pi.c
-  # math/aarch64/sve/atan2pif.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/atan2pif.c
-  # math/aarch64/sve/atanf.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/atanf.c
-  # math/aarch64/sve/atanh.c, revision 29c7342
-  sysdeps/aarch64/fpu/sve/atanh.c
-  # math/aarch64/sve/atanhf.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/atanhf.c
-  # math/aarch64/sve/atanpi.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/atanpi.c
-  # math/aarch64/sve/atanpif.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/atanpif.c
-  # math/aarch64/sve/cbrt.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/cbrt.c
-  # math/aarch64/sve/cbrtf.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/cbrtf.c
-  # math/aarch64/sve/cos.c, revision 99cbbad
-  sysdeps/aarch64/fpu/sve/cos.c
-  # math/aarch64/sve/cosf.c, revision 25aa012
-  sysdeps/aarch64/fpu/sve/cosf.c
-  # math/aarch64/sve/cosh.c, revision 242a017
-  sysdeps/aarch64/fpu/sve/cosh.c
-  # math/aarch64/sve/coshf.c, revision 2fff60c
-  sysdeps/aarch64/fpu/sve/coshf.c
-  # math/aarch64/sve/cospi.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/cospi.c
-  # math/aarch64/sve/cospif.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/cospif.c
-  # math/aarch64/sve/erf.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/erf.c
-  # math/aarch64/sve/erfc.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/erfc.c
-  # math/aarch64/sve/erfcf.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/erfcf.c
-  # math/aarch64/sve/erff.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/erff.c
-  # math/aarch64/sve/exp.c, revision d664b69
-  sysdeps/aarch64/fpu/sve/exp.c
-  # math/aarch64/sve/exp10.c, revision d664b69
-  sysdeps/aarch64/fpu/sve/exp10.c
-  # math/aarch64/sve/exp10f.c, revision d664b69
-  sysdeps/aarch64/fpu/sve/exp10f.c
-  # math/aarch64/sve/exp10m1.c, revision d664b69
-  sysdeps/aarch64/fpu/sve/exp10m1.c
-  # math/aarch64/sve/exp10m1f.c, revision d664b69
-  sysdeps/aarch64/fpu/sve/exp10m1f.c
-  # math/aarch64/sve/exp2.c, revision d664b69
-  sysdeps/aarch64/fpu/sve/exp2.c
-  # math/aarch64/sve/exp2f.c, revision d664b69
-  sysdeps/aarch64/fpu/sve/exp2f.c
-  # math/aarch64/sve/exp2m1.c, revision d664b69
-  sysdeps/aarch64/fpu/sve/exp2m1.c
-  # math/aarch64/sve/exp2m1f.c, revision d664b69
-  sysdeps/aarch64/fpu/sve/exp2m1f.c
-  # math/aarch64/sve/expf.c, revision 47044a5
-  sysdeps/aarch64/fpu/sve/expf.c
-  # math/aarch64/sve/expm1.c, revision d664b69
-  sysdeps/aarch64/fpu/sve/expm1.c
-  # math/aarch64/sve/expm1f.c, revision d664b69
-  sysdeps/aarch64/fpu/sve/expm1f.c
-  # math/aarch64/sve/hypot.c, revision 74d699d
-  sysdeps/aarch64/fpu/sve/hypot.c
-  # math/aarch64/sve/hypotf.c, revision 74d699d
-  sysdeps/aarch64/fpu/sve/hypotf.c
-  # math/aarch64/sve/log.c, revision 91b052e
-  sysdeps/aarch64/fpu/sve/log.c
-  # math/aarch64/sve/log10.c, revision 91b052e
-  sysdeps/aarch64/fpu/sve/log10.c
-  # math/aarch64/sve/log10f.c, revision 8ca4cc0
-  sysdeps/aarch64/fpu/sve/log10f.c
-  # math/aarch64/sve/log10p1.c, revision 166744d
-  sysdeps/aarch64/fpu/sve/log10p1.c
-  # math/aarch64/sve/log10p1f.c, revision 8124d30
-  sysdeps/aarch64/fpu/sve/log10p1f.c
-  # math/aarch64/sve/log1p.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/log1p.c
-  # math/aarch64/sve/log1pf.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/log1pf.c
-  # math/aarch64/sve/log2.c, revision 91b052e
-  sysdeps/aarch64/fpu/sve/log2.c
-  # math/aarch64/sve/log2f.c, revision 8ca4cc0
-  sysdeps/aarch64/fpu/sve/log2f.c
-  # math/aarch64/sve/log2p1.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/log2p1.c
-  # math/aarch64/sve/log2p1f.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/log2p1f.c
-  # math/aarch64/sve/logf.c, revision 8ca4cc0
-  sysdeps/aarch64/fpu/sve/logf.c
-  # math/aarch64/sve/pow.c, revision 2c38e83
-  sysdeps/aarch64/fpu/sve/pow.c
-  # math/aarch64/sve/powf.c, revision 2c38e83
-  sysdeps/aarch64/fpu/sve/powf.c
-  # math/aarch64/sve/powr.c, revision 30da949
-  sysdeps/aarch64/fpu/sve/powr.c
-  # math/aarch64/sve/powrf.c, revision e2bca42
-  sysdeps/aarch64/fpu/sve/powrf.c
-  # math/aarch64/sve/rsqrt.c, revision 4fc7374
-  sysdeps/aarch64/fpu/sve/rsqrt.c
-  # math/aarch64/sve/rsqrtf.c, revision b1bc8ba
-  sysdeps/aarch64/fpu/sve/rsqrtf.c
-  # math/aarch64/sve/sin.c, revision 99cbbad
-  sysdeps/aarch64/fpu/sve/sin.c
-  # math/aarch64/sve/sinf.c, revision 25aa012
-  sysdeps/aarch64/fpu/sve/sinf.c
-  # math/aarch64/sve/sinh.c, revision 242a017
-  sysdeps/aarch64/fpu/sve/sinh.c
-  # math/aarch64/sve/sinhf.c, revision 2fff60c
-  sysdeps/aarch64/fpu/sve/sinhf.c
-  # math/aarch64/sve/sinpi.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/sinpi.c
-  # math/aarch64/sve/sinpif.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/sinpif.c
-  # math/aarch64/sve/tan.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/tan.c
-  # math/aarch64/sve/tanf.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/tanf.c
-  # math/aarch64/sve/tanh.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/tanh.c
-  # math/aarch64/sve/tanhf.c, revision 2fff60c
-  sysdeps/aarch64/fpu/sve/tanhf.c
-  # math/aarch64/sve/tanpi.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/tanpi.c
-  # math/aarch64/sve/tanpif.c, revision 1aad38d
-  sysdeps/aarch64/fpu/sve/tanpif.c
-  # math/aarch64/sve/sv_exp_special_inline.h, revision d664b69
-  sysdeps/aarch64/fpu/sve/sv_exp_special_inline.h
-  # math/aarch64/sve/sv_expf_inline.h, revision ba35b32
-  sysdeps/aarch64/fpu/sve/sv_expf_inline.h
-  # math/aarch64/sve/sv_expf_special_inline.h, revision d664b69
-  sysdeps/aarch64/fpu/sve/sv_expf_special_inline.h
-  # math/aarch64/sve/sv_expm1f_inline.h, revision 78cd003
-  sysdeps/aarch64/fpu/sve/sv_expm1f_inline.h
-  # math/aarch64/sve/sv_log1p_inline.h, revision 7d08237
-  sysdeps/aarch64/fpu/sve/sv_log1p_inline.h
-  # math/aarch64/sve/sv_log1pf_inline.h, revision a386525
-  sysdeps/aarch64/fpu/sve/sv_log1pf_inline.h
-  # math/aarch64/sve/sv_pow_inline.h, revision 30da949
-  sysdeps/aarch64/fpu/sve/sv_pow_inline.h
-  # math/aarch64/sve/sv_powf_inline.h, revision 30da949
-  sysdeps/aarch64/fpu/sve/sv_powf_inline.h
-  # math/aarch64/sve/sv_poly_f32.h, revision 5d5e6e6
-  sysdeps/aarch64/fpu/sve/poly_sve_f32.h
-  # math/aarch64/sve/sv_poly_f64.h, revision 5d5e6e6
-  sysdeps/aarch64/fpu/sve/poly_sve_f64.h
-  # math/aarch64/sve/sv_poly_generic.h, revision 5d5e6e6
-  sysdeps/aarch64/fpu/sve/poly_sve_generic.h
-  # math/aarch64/sve/sv_math.h, revision 7361ef6
-  sysdeps/aarch64/fpu/sve/sv_math.h
-  # math/aarch64/sve/sv_trig_fallback.h, revision 99cbbad
-  sysdeps/aarch64/fpu/sve/sv_trig_fallback.h
-  # math/aarch64/sve/sv_trigf_fallback.h, revision 25aa012
-  sysdeps/aarch64/fpu/sve/sv_trigf_fallback.h
-  # math/aarch64/advsimd/acos.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/acos.c
-  # math/aarch64/advsimd/acosf.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/acosf.c
-  # math/aarch64/advsimd/acosh.c, revision 188e75a
-  sysdeps/aarch64/fpu/advsimd/acosh.c
-  # math/aarch64/advsimd/acoshf.c, revision af3851e
-  sysdeps/aarch64/fpu/advsimd/acoshf.c
-  # math/aarch64/advsimd/acospi.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/acospi.c
-  # math/aarch64/advsimd/acospif.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/acospif.c
-  # math/aarch64/advsimd/asin.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/asin.c
-  # math/aarch64/advsimd/asinf.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/asinf.c
-  # math/aarch64/advsimd/asinh.c, revision bac1b4f
-  sysdeps/aarch64/fpu/advsimd/asinh.c
-  # math/aarch64/advsimd/asinhf.c, revision af3851e
-  sysdeps/aarch64/fpu/advsimd/asinhf.c
-  # math/aarch64/advsimd/asinpi.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/asinpi.c
-  # math/aarch64/advsimd/asinpif.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/asinpif.c
-  # math/aarch64/advsimd/atan.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/atan.c
-  # math/aarch64/advsimd/atan2.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/atan2.c
-  # math/aarch64/advsimd/atan2f.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/atan2f.c
-  # math/aarch64/advsimd/atan2pi.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/atan2pi.c
-  # math/aarch64/advsimd/atan2pif.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/atan2pif.c
-  # math/aarch64/advsimd/atanf.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/atanf.c
-  # math/aarch64/advsimd/atanh.c, revision 281cb3a
-  sysdeps/aarch64/fpu/advsimd/atanh.c
-  # math/aarch64/advsimd/atanhf.c, revision d852158
-  sysdeps/aarch64/fpu/advsimd/atanhf.c
-  # math/aarch64/advsimd/atanpi.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/atanpi.c
-  # math/aarch64/advsimd/atanpif.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/atanpif.c
-  # math/aarch64/advsimd/cbrt.c, revision 0a6ab6d
-  sysdeps/aarch64/fpu/advsimd/cbrt.c
-  # math/aarch64/advsimd/cbrtf.c, revision 6c74650
-  sysdeps/aarch64/fpu/advsimd/cbrtf.c
-  # math/aarch64/advsimd/cos.c, revision 677a12b
-  sysdeps/aarch64/fpu/advsimd/cos.c
-  # math/aarch64/advsimd/cosf.c, revision 15c35d9
-  sysdeps/aarch64/fpu/advsimd/cosf.c
-  # math/aarch64/advsimd/cosh.c, revision 447bbaa
-  sysdeps/aarch64/fpu/advsimd/cosh.c
-  # math/aarch64/advsimd/coshf.c, revision 45237ba
-  sysdeps/aarch64/fpu/advsimd/coshf.c
-  # math/aarch64/advsimd/cospi.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/cospi.c
-  # math/aarch64/advsimd/cospif.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/cospif.c
-  # math/aarch64/advsimd/erf.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/erf.c
-  # math/aarch64/advsimd/erfc.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/erfc.c
-  # math/aarch64/advsimd/erfcf.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/erfcf.c
-  # math/aarch64/advsimd/erff.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/erff.c
-  # math/aarch64/advsimd/exp.c, revision dce5dab
-  sysdeps/aarch64/fpu/advsimd/exp.c
-  # math/aarch64/advsimd/exp10.c, revision dce5dab
-  sysdeps/aarch64/fpu/advsimd/exp10.c
-  # math/aarch64/advsimd/exp10f.c, revision 69d38dd
-  sysdeps/aarch64/fpu/advsimd/exp10f.c
-  # math/aarch64/advsimd/exp10m1.c, revision dce5dab
-  sysdeps/aarch64/fpu/advsimd/exp10m1.c
-  # math/aarch64/advsimd/exp10m1f.c, revision a5092e8
-  sysdeps/aarch64/fpu/advsimd/exp10m1f.c
-  # math/aarch64/advsimd/exp2.c, revision dce5dab
-  sysdeps/aarch64/fpu/advsimd/exp2.c
-  # math/aarch64/advsimd/exp2f.c, revision 69d38dd
-  sysdeps/aarch64/fpu/advsimd/exp2f.c
-  # math/aarch64/advsimd/exp2m1.c, revision dce5dab
-  sysdeps/aarch64/fpu/advsimd/exp2m1.c
-  # math/aarch64/advsimd/exp2m1f.c, revision a5092e8
-  sysdeps/aarch64/fpu/advsimd/exp2m1f.c
-  # math/aarch64/advsimd/expf.c, revision 69d38dd
-  sysdeps/aarch64/fpu/advsimd/expf.c
-  # math/aarch64/advsimd/expm1.c, revision dce5dab
-  sysdeps/aarch64/fpu/advsimd/expm1.c
-  # math/aarch64/advsimd/expm1f.c, revision a5092e8
-  sysdeps/aarch64/fpu/advsimd/expm1f.c
-  # math/aarch64/advsimd/hypot.c, revision 09f8d05
-  sysdeps/aarch64/fpu/advsimd/hypot.c
-  # math/aarch64/advsimd/hypotf.c, revision 99dff4f
-  sysdeps/aarch64/fpu/advsimd/hypotf.c
-  # math/aarch64/advsimd/log.c, revision 0345857
-  sysdeps/aarch64/fpu/advsimd/log.c
-  # math/aarch64/advsimd/log10.c, revision 77aff35
-  sysdeps/aarch64/fpu/advsimd/log10.c
-  # math/aarch64/advsimd/log10f.c, revision ff1596f
-  sysdeps/aarch64/fpu/advsimd/log10f.c
-  # math/aarch64/advsimd/log10p1.c, revision 7fc8510
-  sysdeps/aarch64/fpu/advsimd/log10p1.c
-  # math/aarch64/advsimd/log10p1f.c, revision 58cd796
-  sysdeps/aarch64/fpu/advsimd/log10p1f.c
-  # math/aarch64/advsimd/log1p.c, revision 355a985
-  sysdeps/aarch64/fpu/advsimd/log1p.c
-  # math/aarch64/advsimd/log1pf.c, revision 5cf8408
-  sysdeps/aarch64/fpu/advsimd/log1pf.c
-  # math/aarch64/advsimd/log2.c, revision b8deb33
-  sysdeps/aarch64/fpu/advsimd/log2.c
-  # math/aarch64/advsimd/log2f.c, revision b98f80d
-  sysdeps/aarch64/fpu/advsimd/log2f.c
-  # math/aarch64/advsimd/log2p1.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/log2p1.c
-  # math/aarch64/advsimd/log2p1f.c, revision 58cd796
-  sysdeps/aarch64/fpu/advsimd/log2p1f.c
-  # math/aarch64/advsimd/logf.c, revision 1b15b12
-  sysdeps/aarch64/fpu/advsimd/logf.c
-  # math/aarch64/advsimd/finite_pow.h, revision 30da949
-  sysdeps/aarch64/fpu/advsimd/finite_pow.h
-  # math/pow_common.h, revision 30da949
-  sysdeps/aarch64/fpu/pow_common.h
-  # math/powf_common.h, revision 30da949
-  sysdeps/aarch64/fpu/powf_common.h
-  # math/aarch64/advsimd/pow.c, revision 30da949
-  sysdeps/aarch64/fpu/advsimd/pow.c
-  # math/aarch64/advsimd/powf.c, revision 30da949
-  sysdeps/aarch64/fpu/advsimd/powf.c
-  # math/aarch64/advsimd/powr.c, revision 30da949
-  sysdeps/aarch64/fpu/advsimd/powr.c
-  # math/aarch64/advsimd/powrf.c, revision e2bca42
-  sysdeps/aarch64/fpu/advsimd/powrf.c
-  # math/aarch64/advsimd/rsqrt.c, revision 0945eab
-  sysdeps/aarch64/fpu/advsimd/rsqrt.c
-  # math/aarch64/advsimd/rsqrtf.c, revision 88e9cc9
-  sysdeps/aarch64/fpu/advsimd/rsqrtf.c
-  # math/aarch64/advsimd/sin.c, revision 677a12b
-  sysdeps/aarch64/fpu/advsimd/sin.c
-  # math/aarch64/advsimd/sinf.c, revision 15c35d9
-  sysdeps/aarch64/fpu/advsimd/sinf.c
-  # math/aarch64/advsimd/sinh.c, revision 447bbaa
-  sysdeps/aarch64/fpu/advsimd/sinh.c
-  # math/aarch64/advsimd/sinhf.c, revision 45237ba
-  sysdeps/aarch64/fpu/advsimd/sinhf.c
-  # math/aarch64/advsimd/sinpi.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/sinpi.c
-  # math/aarch64/advsimd/sinpif.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/sinpif.c
-  # math/aarch64/advsimd/tan.c, revision a8bbb87
-  sysdeps/aarch64/fpu/advsimd/tan.c
-  # math/aarch64/advsimd/tanf.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/tanf.c
-  # math/aarch64/advsimd/tanh.c, revision 447bbaa
-  sysdeps/aarch64/fpu/advsimd/tanh.c
-  # math/aarch64/advsimd/tanhf.c, revision 45237ba
-  sysdeps/aarch64/fpu/advsimd/tanhf.c
-  # math/aarch64/advsimd/tanpi.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/tanpi.c
-  # math/aarch64/advsimd/tanpif.c, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/tanpif.c
-  # math/aarch64/advsimd/v_exp_special_case_inline.h, revision dce5dab
-  sysdeps/aarch64/fpu/advsimd/v_exp_special_case_inline.h
-  # math/aarch64/advsimd/v_expf_inline.h, revision 747e0e1
-  sysdeps/aarch64/fpu/advsimd/v_expf_inline.h
-  # math/aarch64/advsimd/v_expf_special_inline.h, revision a5092e8
-  sysdeps/aarch64/fpu/advsimd/v_expf_special_inline.h
-  # math/aarch64/advsimd/v_expm1_inline.h, revision 0a6ab6d
-  sysdeps/aarch64/fpu/advsimd/v_expm1_inline.h
-  # math/aarch64/advsimd/v_expm1f_inline.h, revision 0a6ab6d
-  sysdeps/aarch64/fpu/advsimd/v_expm1f_inline.h
-  # math/aarch64/advsimd/v_log1p_inline.h, revision 1aad38d
-  sysdeps/aarch64/fpu/advsimd/v_log1p_inline.h
-  # math/aarch64/advsimd/v_log1pf_inline.h, revision 0a6ab6d
-  sysdeps/aarch64/fpu/advsimd/v_log1pf_inline.h
-  # math/aarch64/advsimd/v_pow_inline.h, revision efde0c7
-  sysdeps/aarch64/fpu/advsimd/v_pow_inline.h
-  # math/aarch64/advsimd/v_powf_inline.h, revision 5b06a16
-  sysdeps/aarch64/fpu/advsimd/v_powf_inline.h
-  # math/aarch64/advsimd/v_powrf_inline.h, revision 30da949
-  sysdeps/aarch64/fpu/advsimd/v_powrf_inline.h
-  # math/aarch64/advsimd/v_poly_f32.h, revision 0a6ab6d
-  sysdeps/aarch64/fpu/advsimd/poly_advsimd_f32.h
-  # math/aarch64/advsimd/v_poly_f64.h, revision 0a6ab6d
-  sysdeps/aarch64/fpu/advsimd/poly_advsimd_f64.h
-  # math/poly_generic.h, revision 0a6ab6d
-  sysdeps/aarch64/fpu/advsimd/poly_generic.h
-  # math/aarch64/advsimd/v_math.h, revision 1829557
-  sysdeps/aarch64/fpu/advsimd/v_math.h
-  # math/aarch64/advsimd/v_trig_fallback.h, revision 677a12b
-  sysdeps/aarch64/fpu/advsimd/v_trig_fallback.h
-  # math/aarch64/advsimd/v_trigf_fallback.h, revision 15c35d9
-  sysdeps/aarch64/fpu/advsimd/v_trigf_fallback.h
-  # String routines
-  # string/aarch64/__mtag_tag_region.S, revision 41e5ae5
-  sysdeps/aarch64/__mtag_tag_region.S
-  # string/aarch64/__mtag_tag_zero_region.S, revision 41e5ae5
-  sysdeps/aarch64/__mtag_tag_zero_region.S
-  # string/aarch64/memchr-mte.S, revision 41e5ae5
-  sysdeps/aarch64/memchr.S
-  # string/aarch64/memcmp.S, revision 41e5ae5
-  sysdeps/aarch64/memcmp.S
-  # string/aarch64/memcpy-advsimd.S, revision 41e5ae5
-  sysdeps/aarch64/memcpy.S
-  # string/aarch64/memcpy-mops.S, revision 41e5ae5
-  sysdeps/aarch64/multiarch/memcpy_mops.S
-  # string/aarch64/memcpy-sve.S, revision 71e3640
-  sysdeps/aarch64/multiarch/memcpy_sve.S
-  # string/aarch64/memmove-mops.S, revision 41e5ae5
-  sysdeps/aarch64/multiarch/memmove_mops.S
-  # string/aarch64/memrchr.S, revision 41e5ae5
-  sysdeps/aarch64/memrchr.S
-  # string/aarch64/memset-mops.S, revision 41e5ae5
-  sysdeps/aarch64/multiarch/memset_mops.S
-  # string/aarch64/memset-sve.S, revision 0f71101
-  sysdeps/aarch64/multiarch/memset_sve_zva64.S
-  # string/aarch64/memset.S, revision 098df8c
-  sysdeps/aarch64/memset.S
-  # string/aarch64/stpcpy.S, revision 189dfef
-  sysdeps/aarch64/stpcpy.S
-  # string/aarch64/strchr-mte.S, revision 41e5ae5
-  sysdeps/aarch64/strchr.S
-  # string/aarch64/strchrnul-mte.S, revision 41e5ae5
-  sysdeps/aarch64/strchrnul.S
-  # string/aarch64/strcmp.S, revision 41e5ae5
-  sysdeps/aarch64/strcmp.S
-  # string/aarch64/strcpy.S, revision 41e5ae5
-  sysdeps/aarch64/strcpy.S
-  # string/aarch64/strlen-mte.S, revision 41e5ae5
-  sysdeps/aarch64/strlen.S
-  # string/aarch64/strncmp.S, revision 41e5ae5
-  sysdeps/aarch64/strncmp.S
-  # string/aarch64/strnlen.S, revision 41e5ae5
-  sysdeps/aarch64/strnlen.S
-  # string/aarch64/strrchr-mte.S, revision 41e5ae5
-  sysdeps/aarch64/strrchr.S
-  # string/arm/memchr.S, revision 1eb5d7c
-  sysdeps/arm/armv6t2/memchr.S
-  # string/arm/memcpy.S, revision 1eb5d7c
-  sysdeps/arm/armv7/multiarch/memcpy_impl.S
-  # string/arm/strcmp.S, revision 1eb5d7c
-  sysdeps/arm/armv7/strcmp.S
-  # string/arm/strlen-armv6t2.S, revision 1eb5d7c
-  sysdeps/arm/armv6t2/strlen.S

aclocal.m4

@@ -2,7 +2,7 @@ dnl We require that everyone use exactly the same Autoconf version so that
 dnl the internal functions defined and used by the main configure script
 dnl match those expected by the fragments.  When changing this version,
 dnl install.texi also needs to be updated.
-m4_define([GLIBC_AUTOCONF_VERSION], [2.72])
+m4_define([GLIBC_AUTOCONF_VERSION], [2.69])
 m4_if(m4_defn([AC_AUTOCONF_VERSION]), GLIBC_AUTOCONF_VERSION, [],
       [m4_fatal(m4_flatten(
 Exactly version GLIBC_AUTOCONF_VERSION of Autoconf is required but you have
@@ -114,41 +114,26 @@ if test -n "$path_binutils"; then
     path_binutils=`(cd $path_binutils; pwd) | sed 's%/*$%/%'`
     CC="$CC -B$path_binutils"
 fi
-case "$CC" in
-    *fuse-ld=lld*) LDNAME=ld.lld;;
-    *)             LDNAME=ld;;
-esac
-if test -z "$LD"; then
-    LD=`$CC -print-prog-name=$LDNAME`
-fi
-if test -z "$AR"; then
-    AR=`$CC -print-prog-name=ar`
-fi
+AS=`$CC -print-prog-name=as`
+LD=`$CC -print-prog-name=ld`
+AR=`$CC -print-prog-name=ar`
 AC_SUBST(AR)
-if test -z "$OBJCOPY"; then
-    OBJCOPY=`$CC -print-prog-name=objcopy`
-fi
-AC_SUBST(OBJCOPY)
-if test -z "$GPROF"; then
-    GPROF=`$CC -print-prog-name=gprof`
-fi
-AC_SUBST(GPROF)
-if test -z "$READELF"; then
-    READELF=`$CC -print-prog-name=readelf`
-fi
-AC_SUBST(READELF)
-if test -z "$OBJDUMP"; then
-    OBJDUMP=`$CC -print-prog-name=objdump`
-fi
+OBJDUMP=`$CC -print-prog-name=objdump`
 AC_SUBST(OBJDUMP)
-if test -z "$NM"; then
-    NM=`$CC -print-prog-name=nm`
-fi
-AC_SUBST(NM)
-if test -z "$STRIP"; then
-    STRIP=`$CC -print-prog-name=strip`
-fi
-AC_SUBST(STRIP)
+OBJCOPY=`$CC -print-prog-name=objcopy`
+AC_SUBST(OBJCOPY)
+GPROF=`$CC -print-prog-name=gprof`
+AC_SUBST(GPROF)
+
+# Determine whether we are using GNU binutils.
+AC_CACHE_CHECK(whether $AS is GNU as, libc_cv_prog_as_gnu,
+[LIBC_PROG_FOO_GNU($AS, libc_cv_prog_as_gnu=yes, libc_cv_prog_as_gnu=no)])
+rm -f a.out
+gnu_as=$libc_cv_prog_as_gnu
+
+AC_CACHE_CHECK(whether $LD is GNU ld, libc_cv_prog_ld_gnu,
+[LIBC_PROG_FOO_GNU($LD, libc_cv_prog_ld_gnu=yes, libc_cv_prog_ld_gnu=no)])
+gnu_ld=$libc_cv_prog_ld_gnu
 ])
 
 dnl Run a static link test with -nostdlib -nostartfiles.
@@ -171,12 +156,6 @@ AC_DEFUN([LIBC_TRY_CC_OPTION],
 [AS_IF([AC_TRY_COMMAND([${CC-cc} $1 -xc /dev/null -S -o /dev/null])],
 	[$2], [$3])])
 
-dnl Test a C++ compiler option or options with an empty input file.
-dnl LIBC_TRY_CXX_OPTION([options], [action-if-true], [action-if-false])
-AC_DEFUN([LIBC_TRY_CXX_OPTION],
-[AS_IF([AC_TRY_COMMAND([${CXX-c++} $1 -xc++ /dev/null -S -o /dev/null])],
-	[$2], [$3])])
-
 dnl Find and source sysdeps/*/preconfigure.
 dnl LIBC_PRECONFIGURE([$srcdir], [for])
 AC_DEFUN([LIBC_PRECONFIGURE], [dnl
@@ -244,23 +223,22 @@ dnl LIBC_LINKER_FEATURE([ld_option], [cc_option], [action-if-true], [action-if-f
 AC_DEFUN([LIBC_LINKER_FEATURE],
 [AC_MSG_CHECKING([for linker that supports $1])
 libc_linker_feature=no
-cat > conftest.c <<EOF
+if test x"$gnu_ld" = x"yes"; then
+  libc_linker_check=`$LD -v --help 2>/dev/null | grep "\$1"`
+  if test -n "$libc_linker_check"; then
+    cat > conftest.c <<EOF
 int _start (void) { return 42; }
 EOF
-if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
-		  $2 -nostdlib -nostartfiles
-		  -fPIC -shared -o conftest.so conftest.c
-		  1>&AS_MESSAGE_LOG_FD])
-then
-  if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp $2 -nostdlib \
-      -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
-      | grep "warning: $1 ignored" > /dev/null 2>&1; then
-    true
-  else
-    libc_linker_feature=yes
+    if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
+				$2 -nostdlib -nostartfiles
+				-fPIC -shared -o conftest.so conftest.c
+				1>&AS_MESSAGE_LOG_FD])
+    then
+      libc_linker_feature=yes
+    fi
+    rm -f conftest*
   fi
 fi
-rm -f conftest*
 if test $libc_linker_feature = yes; then
   $3
 else
@@ -268,38 +246,6 @@ else
 fi
 AC_MSG_RESULT($libc_linker_feature)])
 
-dnl Check linker option support.
-dnl LIBC_TEST_LINKER_FEATURE([ld_option], [cc_option], [action-if-true], [action-if-false])
-AC_DEFUN([LIBC_TEST_LINKER_FEATURE],
-[AC_MSG_CHECKING([for linker that supports $1])
-libc_linker_feature=no
-cat > conftest.c <<EOF
-int _start (void) { return 42; }
-EOF
-saved_CC="$CC"
-CC="$TEST_CC"
-if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
-		  $2 -nostdlib -nostartfiles
-		  -fPIC -shared -o conftest.so conftest.c
-		  1>&AS_MESSAGE_LOG_FD])
-then
-  if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp $2 -nostdlib \
-      -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
-      | grep "warning: $1 ignored" > /dev/null 2>&1; then
-    true
-  else
-    libc_linker_feature=yes
-  fi
-fi
-rm -f conftest*
-if test $libc_linker_feature = yes; then
-  $3
-else
-  $4
-fi
-CC="$saved_CC"
-AC_MSG_RESULT($libc_linker_feature)])
-
 dnl Add a makefile variable, with value set from a shell string
 dnl (expanded by the shell inside double quotes), to config.make.
 dnl LIBC_CONFIG_VAR(make-variable, shell-value)
@@ -327,7 +273,7 @@ int _start (void) { $2 return 0; }
 EOF
 if ! AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
 		     $3 -nostdlib -nostartfiles
-		     -S conftest.c -o - | grep -F "$1"
+		     -S conftest.c -o - | fgrep "$1"
 		     1>&AS_MESSAGE_LOG_FD])
 then
   libc_compiler_builtin_inlined=yes
@@ -357,203 +303,3 @@ case "$prefix" in
   fi
   ;;
 esac])
-
-dnl Test a CC compiler option or options with an input file.
-dnl LIBC_TRY_CC_COMMAND([message], [code], [options],
-dnl   [CC-cache-id], [CC-action-if-true], [CC-action-if-false])
-AC_DEFUN([LIBC_TRY_CC_COMMAND],
-[
-cat > conftest.c <<EOF
-$2
-EOF
-AC_CACHE_CHECK([$1], $4, [dnl
-  if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $3 conftest.c -o conftest 1>&AS_MESSAGE_LOG_FD])
-  then
-    [$5]
-  else
-    [$6]
-  fi])
-rm -f conftest*])
-
-dnl Run a test with TEST_CC.
-dnl LIBC_CHECK_TEST_CC([commands])
-AC_DEFUN([LIBC_CHECK_TEST_CC],
-[
-saved_CC="$CC"
-CC="$TEST_CC"
-[$1]
-CC="$saved_CC"
-])
-
-dnl Run a test with TEST_CXX.
-dnl LIBC_CHECK_TEST_CXX([commands])
-AC_DEFUN([LIBC_CHECK_TEST_CXX],
-[
-saved_CXX="$CXX"
-CXX="$TEST_CXX"
-[$1]
-CXX="$saved_CXX"
-])
-
-dnl Test a CC and TEST_CC compiler option or options with an empty input
-dnl file.
-dnl LIBC_TRY_CC_AND_TEST_CC_OPTION([message], [options],
-dnl   [CC-cache-id], [CC-action-if-true], [CC-action-if-false]
-dnl   [TEST_CC-cache-id], [TEST_CC-action-if-true], [TEST_CC-action-if-false])
-AC_DEFUN([LIBC_TRY_CC_AND_TEST_CC_OPTION],
-[
-AC_CACHE_CHECK([$1], $3,
-  [LIBC_TRY_CC_OPTION([$2], [$4], [$5])])
-if test "$TEST_CC" = "$CC"; then
-  $6=$[$3]
-else
-  LIBC_CHECK_TEST_CC(
-    AC_CACHE_CHECK([$1 in testing], $6,
-      [LIBC_TRY_CC_OPTION([$2], [$7], [$8])])
-  )
-fi
-])
-
-dnl Test a CC and TEST_CC compiler option or options with an input file.
-dnl LIBC_TRY_CC_AND_TEST_CC_COMMAND([message], [code], [options],
-dnl   [CC-cache-id], [CC-action-if-true], [CC-action-if-false]
-dnl   [TEST_CC-cache-id], [TEST_CC-action-if-true], [TEST_CC-action-if-false])
-AC_DEFUN([LIBC_TRY_CC_AND_TEST_CC_COMMAND],
-[
-cat > conftest.c <<EOF
-$2
-EOF
-AC_CACHE_CHECK([$1], $4, [dnl
-  if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $3 conftest.c -o conftest 1>&AS_MESSAGE_LOG_FD])
-  then
-    [$5]
-  else
-    [$6]
-  fi
-])
-if test "$TEST_CC" = "$CC"; then
-  $7=$[$4]
-else
-  LIBC_CHECK_TEST_CC(
-    AC_CACHE_CHECK([$1 in testing], $7, [dnl
-      if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $3 conftest.c -o conftest 1>&AS_MESSAGE_LOG_FD])
-      then
-	[$8]
-      else
-	[$9]
-      fi])
-  )
-fi
-rm -f conftest*])
-
-dnl Test if CC and TEST_CC can link with an input file.
-dnl LIBC_TRY_CC_AND_TEST_LINK([message], [code],
-dnl   [CC-cache-id], [CC-action-if-true], [CC-action-if-false]
-dnl   [TEST_CC-cache-id], [TEST_CC-action-if-true], [TEST_CC-action-if-false])
-AC_DEFUN([LIBC_TRY_CC_AND_TEST_LINK],
-[
-AC_CACHE_CHECK([$1], $3, [
-  AC_LINK_IFELSE([AC_LANG_PROGRAM([], [$2])],
-   [$4], [$5])
-])
-if test "$TEST_CC" = "$CC"; then
-  $6=$[$3]
-else
-  LIBC_CHECK_TEST_CC(
-    AC_CACHE_CHECK([$1 in testing], $6, [
-      AC_LINK_IFELSE([AC_LANG_PROGRAM([], [$2])],
-      [$7], [$8])
-    ])
-  )
-fi
-])
-
-dnl Test a TEST_CC compiler option or options with an input file.
-dnl LIBC_TRY_TEST_CC_COMMAND([message], [code], [options],
-dnl   [TEST_CC-cache-id], [TEST_CC-action-if-true], [TEST_CC-action-if-false])
-AC_DEFUN([LIBC_TRY_TEST_CC_COMMAND],
-[
-cat > conftest.c <<EOF
-$2
-EOF
-LIBC_CHECK_TEST_CC(
-  AC_CACHE_CHECK([$1 in testing], $4, [dnl
-    if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $3 conftest.c -o conftest 1>&AS_MESSAGE_LOG_FD])
-    then
-      [$5]
-    else
-      [$6]
-    fi])
-)
-rm -f conftest*])
-
-dnl Test a TEST_CXX compiler option or options with an input file.
-dnl LIBC_TRY_TEST_CXX_COMMAND([message], [code], [options],
-dnl   [TEST_CXX-cache-id], [TEST_CXX-action-if-true],
-dnl   [TEST_CXX-action-if-false])
-AC_DEFUN([LIBC_TRY_TEST_CXX_COMMAND],
-[
-cat > conftest.cc <<EOF
-$2
-EOF
-LIBC_CHECK_TEST_CXX(
-  AC_CACHE_CHECK([$1 in testing], $4, [dnl
-    if AC_TRY_COMMAND([${CXX-c++} $CXXFLAGS $CPPFLAGS $3 conftest.cc -o conftest 1>&AS_MESSAGE_LOG_FD])
-    then
-      [$5]
-    else
-      [$6]
-    fi])
-)
-rm -f conftest*])
-
-dnl Test a TEST_CC compiler option or options with an empty input file.
-dnl LIBC_TRY_TEST_CC_OPTION([message], [options],
-dnl   [TEST_CC-cache-id], [TEST_CC-action-if-true], [TEST_CC-action-if-false])
-AC_DEFUN([LIBC_TRY_TEST_CC_OPTION],
-[
-LIBC_CHECK_TEST_CC(
-  AC_CACHE_CHECK([$1 in testing], $3,
-    [LIBC_TRY_CC_OPTION([$2], [$4], [$5])])
-  )
-])
-
-dnl Test a TEST_CXX compiler option or options with an empty input file.
-dnl LIBC_TRY_TEST_CXX_OPTION([message], [options],
-dnl   [TEST_CXX-cache-id], [TEST_CXX-action-if-true],
-dnl   [TEST_CXX-action-if-false])
-AC_DEFUN([LIBC_TRY_TEST_CXX_OPTION],
-[
-LIBC_CHECK_TEST_CXX(
-  AC_CACHE_CHECK([$1 in testing], $3,
-    [LIBC_TRY_CXX_OPTION([$2], [$4], [$5])])
-  )
-])
-
-dnl Check if toolchain supports generating binaries with the required
-dnl ELF marking as checked by readelf.
-dnl LIBC_CHECK_ELF_PROPERTY([message], [pattern], [action-if-true], [action-if-false])
-AC_DEFUN([LIBC_CHECK_ELF_PROPERTY],
-[AC_MSG_CHECKING([$1])
-libc_elf_property=no
-cat > conftest.c <<EOF
-int foo (void) { return 42; }
-EOF
-if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-		  -fPIC -shared -o conftest.so conftest.c
-		  1>&AS_MESSAGE_LOG_FD])
-then
-  if AC_TRY_COMMAND([LC_ALL=C $READELF -n --wide conftest.so | grep "$2" 1>&AS_MESSAGE_LOG_FD])
-  then
-    libc_elf_property=yes
-  else
-    libc_elf_property=no
-  fi
-fi
-rm -f conftest*
-if test $libc_elf_property = yes; then
-  $3
-else
-  $4
-fi
-AC_MSG_RESULT($libc_elf_property)])

advisories/GLIBC-SA-2023-0001

@@ -1,14 +0,0 @@
-printf: incorrect output for integers with thousands separator and width field
-
-When the printf family of functions is called with a format specifier
-that uses an <apostrophe> (enable grouping) and a minimum width
-specifier, the resulting output could be larger than reasonably expected
-by a caller that computed a tight bound on the buffer size.  The
-resulting larger than expected output could result in a buffer overflow
-in the printf family of functions.
-
-CVE-Id: CVE-2023-25139
-Public-Date: 2023-02-02
-Vulnerable-Commit: e88b9f0e5cc50cab57a299dc7efe1a4eb385161d (2.37)
-Fix-Commit: c980549cc6a1c03c23cc2fe3e7b0fe626a0364b0 (2.38)
-Fix-Commit: 07b9521fc6369d000216b96562ff7c0ed32a16c4 (2.37-4)

advisories/GLIBC-SA-2023-0002

@@ -1,15 +0,0 @@
-getaddrinfo: Stack read overflow in no-aaaa mode
-
-If the system is configured in no-aaaa mode via /etc/resolv.conf,
-getaddrinfo is called for the AF_UNSPEC address family, and a DNS
-response is received over TCP that is larger than 2048 bytes,
-getaddrinfo may potentially disclose stack contents via the returned
-address data, or crash.
-
-CVE-Id: CVE-2023-4527
-Public-Date: 2023-09-12
-Vulnerable-Commit: f282cdbe7f436c75864e5640a409a10485e9abb2 (2.36)
-Fix-Commit: bd77dd7e73e3530203be1c52c8a29d08270cb25d (2.39)
-Fix-Commit: 4ea972b7edd7e36610e8cde18bf7a8149d7bac4f (2.36-113)
-Fix-Commit: b7529346025a130fee483d42178b5c118da971bb (2.37-38)
-Fix-Commit: b25508dd774b617f99419bdc3cf2ace4560cd2d6 (2.38-19)

advisories/GLIBC-SA-2023-0003

@@ -1,15 +0,0 @@
-getaddrinfo: Potential use-after-free
-
-When an NSS plugin only implements the _gethostbyname2_r and
-_getcanonname_r callbacks, getaddrinfo could use memory that was freed
-during buffer resizing, potentially causing a crash or read or write to
-arbitrary memory.
-
-CVE-Id: CVE-2023-4806
-Public-Date: 2023-09-12
-Fix-Commit: 973fe93a5675c42798b2161c6f29c01b0e243994 (2.39)
-Fix-Commit: e09ee267c03e3150c2c9ba28625ab130705a485e (2.34-420)
-Fix-Commit: e3ccb230a961b4797510e6a1f5f21fd9021853e7 (2.35-270)
-Fix-Commit: a9728f798ec7f05454c95637ee6581afaa9b487d (2.36-115)
-Fix-Commit: 6529a7466c935f36e9006b854d6f4e1d4876f942 (2.37-39)
-Fix-Commit: 00ae4f10b504bc4564e9f22f00907093f1ab9338 (2.38-20)

advisories/GLIBC-SA-2023-0004

@@ -1,16 +0,0 @@
-tunables: local privilege escalation through buffer overflow
-
-If a tunable of the form NAME=NAME=VAL is passed in the environment of a
-setuid program and NAME is valid, it may result in a buffer overflow,
-which could be exploited to achieve escalated privileges.  This flaw was
-introduced in glibc 2.34.
-
-CVE-Id: CVE-2023-4911
-Public-Date: 2023-10-03
-Vulnerable-Commit: 2ed18c5b534d9e92fc006202a5af0df6b72e7aca (2.34)
-Fix-Commit: 1056e5b4c3f2d90ed2b4a55f96add28da2f4c8fa (2.39)
-Fix-Commit: dcc367f148bc92e7f3778a125f7a416b093964d9 (2.34-423)
-Fix-Commit: c84018a05aec80f5ee6f682db0da1130b0196aef (2.35-274)
-Fix-Commit: 22955ad85186ee05834e47e665056148ca07699c (2.36-118)
-Fix-Commit: b4e23c75aea756b4bddc4abcf27a1c6dca8b6bd3 (2.37-45)
-Fix-Commit: 750a45a783906a19591fb8ff6b7841470f1f5701 (2.38-27)

advisories/GLIBC-SA-2023-0005

@@ -1,18 +0,0 @@
-getaddrinfo: DoS due to memory leak
-
-The fix for CVE-2023-4806 introduced a memory leak when an application
-calls getaddrinfo for AF_INET6 with AI_CANONNAME, AI_ALL and AI_V4MAPPED
-flags set.
-
-CVE-Id: CVE-2023-5156
-Public-Date: 2023-09-25
-Vulnerable-Commit: e09ee267c03e3150c2c9ba28625ab130705a485e (2.34-420)
-Vulnerable-Commit: e3ccb230a961b4797510e6a1f5f21fd9021853e7 (2.35-270)
-Vulnerable-Commit: a9728f798ec7f05454c95637ee6581afaa9b487d (2.36-115)
-Vulnerable-Commit: 6529a7466c935f36e9006b854d6f4e1d4876f942 (2.37-39)
-Vulnerable-Commit: 00ae4f10b504bc4564e9f22f00907093f1ab9338 (2.38-20)
-Fix-Commit: 8006457ab7e1cd556b919f477348a96fe88f2e49 (2.34-421)
-Fix-Commit: 17092c0311f954e6f3c010f73ce3a78c24ac279a (2.35-272)
-Fix-Commit: 856bac55f98dc840e7c27cfa82262b933385de90 (2.36-116)
-Fix-Commit: 4473d1b87d04b25cdd0e0354814eeaa421328268 (2.37-42)
-Fix-Commit: 5ee59ca371b99984232d7584fe2b1a758b4421d3 (2.38-24)

advisories/GLIBC-SA-2024-0001

@@ -1,15 +0,0 @@
-syslog: Heap buffer overflow in __vsyslog_internal
-
-__vsyslog_internal did not handle a case where printing a SYSLOG_HEADER
-containing a long program name failed to update the required buffer
-size, leading to the allocation and overflow of a too-small buffer on
-the heap.
-
-CVE-Id: CVE-2023-6246
-Public-Date: 2024-01-30
-Vulnerable-Commit: 52a5be0df411ef3ff45c10c7c308cb92993d15b1 (2.37)
-Fix-Commit: 6bd0e4efcc78f3c0115e5ea9739a1642807450da (2.39)
-Fix-Commit: 23514c72b780f3da097ecf33a793b7ba9c2070d2 (2.38-42)
-Fix-Commit: 97a4292aa4a2642e251472b878d0ec4c46a0e59a (2.37-57)
-Vulnerable-Commit: b0e7888d1fa2dbd2d9e1645ec8c796abf78880b9 (2.36-16)
-Fix-Commit: d1a83b6767f68b3cb5b4b4ea2617254acd040c82 (2.36-126)

advisories/GLIBC-SA-2024-0002

@@ -1,15 +0,0 @@
-syslog: Heap buffer overflow in __vsyslog_internal
-
-__vsyslog_internal used the return value of snprintf/vsnprintf to
-calculate buffer sizes for memory allocation.  If these functions (for
-any reason) failed and returned -1, the resulting buffer would be too
-small to hold output.
-
-CVE-Id: CVE-2023-6779
-Public-Date: 2024-01-30
-Vulnerable-Commit: 52a5be0df411ef3ff45c10c7c308cb92993d15b1 (2.37)
-Fix-Commit: 7e5a0c286da33159d47d0122007aac016f3e02cd (2.39)
-Fix-Commit: d0338312aace5bbfef85e03055e1212dd0e49578 (2.38-43)
-Fix-Commit: 67062eccd9a65d7fda9976a56aeaaf6c25a80214 (2.37-58)
-Vulnerable-Commit: b0e7888d1fa2dbd2d9e1645ec8c796abf78880b9 (2.36-16)
-Fix-Commit: 2bc9d7c002bdac38b5c2a3f11b78e309d7765b83 (2.36-127)

advisories/GLIBC-SA-2024-0003

@@ -1,13 +0,0 @@
-syslog: Integer overflow in __vsyslog_internal
-
-__vsyslog_internal calculated a buffer size by adding two integers, but
-did not first check if the addition would overflow.
-
-CVE-Id: CVE-2023-6780
-Public-Date: 2024-01-30
-Vulnerable-Commit: 52a5be0df411ef3ff45c10c7c308cb92993d15b1 (2.37)
-Fix-Commit: ddf542da94caf97ff43cc2875c88749880b7259b (2.39)
-Fix-Commit: d37c2b20a4787463d192b32041c3406c2bd91de0 (2.38-44)
-Fix-Commit: 2b58cba076e912961ceaa5fa58588e4b10f791c0 (2.37-59)
-Vulnerable-Commit: b0e7888d1fa2dbd2d9e1645ec8c796abf78880b9 (2.36-16)
-Fix-Commit: b9b7d6a27aa0632f334352fa400771115b3c69b7 (2.36-128)

advisories/GLIBC-SA-2024-0004

@@ -1,28 +0,0 @@
-ISO-2022-CN-EXT: fix out-of-bound writes when writing escape sequence
-
-The iconv() function in the GNU C Library versions 2.39 and older may 
-overflow the output buffer passed to it by up to 4 bytes when converting 
-strings to the ISO-2022-CN-EXT character set, which may be used to 
-crash an application or overwrite a neighbouring variable.
-
-ISO-2022-CN-EXT uses escape sequences to indicate character set changes
-(as specified by RFC 1922).  While the SOdesignation has the expected
-bounds checks, neither SS2designation nor SS3designation have its;
-allowing a write overflow of 1, 2, or 3 bytes with fixed values:
-'$+I', '$+J', '$+K', '$+L', '$+M', or '$*H'.
-
-CVE-Id: CVE-2024-2961
-Public-Date: 2024-04-17
-Vulnerable-Commit: 755104edc75c53f4a0e7440334e944ad3c6b32fc (2.1.93-169)
-Fix-Commit: f9dc609e06b1136bb0408be9605ce7973a767ada (2.40)
-Fix-Commit: 31da30f23cddd36db29d5b6a1c7619361b271fb4 (2.39-31)
-Fix-Commit: e1135387deded5d73924f6ca20c72a35dc8e1bda (2.38-66)
-Fix-Commit: 89ce64b269a897a7780e4c73a7412016381c6ecf (2.37-89)
-Fix-Commit: 4ed98540a7fd19f458287e783ae59c41e64df7b5 (2.36-164)
-Fix-Commit: 36280d1ce5e245aabefb877fe4d3c6cff95dabfa (2.35-315)
-Fix-Commit: a8b0561db4b9847ebfbfec20075697d5492a363c (2.34-459)
-Fix-Commit: ed4f16ff6bed3037266f1fa682ebd32a18fce29c (2.33-263)
-Fix-Commit: 682ad4c8623e611a971839990ceef00346289cc9 (2.32-140)
-Fix-Commit: 3703c32a8d304c1ee12126134ce69be965f38000 (2.31-154)
-
-Reported-By: Charles Fol

advisories/GLIBC-SA-2024-0005

@@ -1,22 +0,0 @@
-nscd: Stack-based buffer overflow in netgroup cache
-
-If the Name Service Cache Daemon's (nscd) fixed size cache is exhausted
-by client requests then a subsequent client request for netgroup data
-may result in a stack-based buffer overflow.  This flaw was introduced
-in glibc 2.15 when the cache was added to nscd.
-
-This vulnerability is only present in the nscd binary.
-
-CVE-Id: CVE-2024-33599
-Public-Date: 2024-04-23
-Vulnerable-Commit: 684ae515993269277448150a1ca70db3b94aa5bd (2.15)
-Fix-Commit: 69c58d5ef9f584ea198bd00f7964d364d0e6b921 (2.31-155)
-Fix-Commit: a77064893bfe8a701770e2f53a4d33805bc47a5a (2.32-141)
-Fix-Commit: 5c75001a96abcd50cbdb74df24c3f013188d076e (2.33-264)
-Fix-Commit: 52f73e5c4e29b14e79167272297977f360ae1e97 (2.34-460)
-Fix-Commit: 7a95873543ce225376faf13bb71c43dea6d24f86 (2.35-316)
-Fix-Commit: caa3151ca460bdd9330adeedd68c3112d97bffe4 (2.36-165)
-Fix-Commit: f75c298e747b2b8b41b1c2f551c011a52c41bfd1 (2.37-91)
-Fix-Commit: 5968aebb86164034b8f8421b4abab2f837a5bdaf (2.38-72)
-Fix-Commit: 1263d583d2e28afb8be53f8d6922f0842036f35d (2.39-35)
-Fix-Commit: 87801a8fd06db1d654eea3e4f7626ff476a9bdaa (2.40)

advisories/GLIBC-SA-2024-0006

@@ -1,32 +0,0 @@
-nscd: Null pointer crash after notfound response
-
-If the Name Service Cache Daemon's (nscd) cache fails to add a not-found
-netgroup response to the cache, the client request can result in a null
-pointer dereference.  This flaw was introduced in glibc 2.15 when the
-cache was added to nscd.
-
-This vulnerability is only present in the nscd binary.
-
-CVE-Id: CVE-2024-33600
-Public-Date: 2024-04-24
-Vulnerable-Commit: 684ae515993269277448150a1ca70db3b94aa5bd (2.15)
-Fix-Commit: b048a482f088e53144d26a61c390bed0210f49f2 (2.40)
-Fix-Commit: 7835b00dbce53c3c87bbbb1754a95fb5e58187aa (2.40)
-Fix-Commit: c99f886de54446cd4447db6b44be93dabbdc2f8b (2.39-37)
-Fix-Commit: 5a508e0b508c8ad53bd0d2fb48fd71b242626341 (2.39-36)
-Fix-Commit: 2ae9446c1b7a3064743b4a51c0bbae668ee43e4c (2.38-74)
-Fix-Commit: 541ea5172aa658c4bd5c6c6d6fd13903c3d5bb0a (2.38-73)
-Fix-Commit: a8070b31043c7585c36ba68a74298c4f7af075c3 (2.37-93)
-Fix-Commit: 5eea50c4402e39588de98aa1d4469a79774703d4 (2.37-92)
-Fix-Commit: f205b3af56740e3b014915b1bd3b162afe3407ef (2.36-167)
-Fix-Commit: c34f470a615b136170abd16142da5dd0c024f7d1 (2.36-166)
-Fix-Commit: bafadc589fbe21ae330e8c2af74db9da44a17660 (2.35-318)
-Fix-Commit: 4370bef52b0f3f3652c6aa13d7a9bb3ac079746d (2.35-317)
-Fix-Commit: 1f94122289a9bf7dba573f5d60327aaa2b85cf2e (2.34-462)
-Fix-Commit: 966d6ac9e40222b84bb21674cc4f83c8d72a5a26 (2.34-461)
-Fix-Commit: e3eef1b8fbdd3a7917af466ca9c4b7477251ca79 (2.33-266)
-Fix-Commit: f20a8d696b13c6261b52a6434899121f8b19d5a7 (2.33-265)
-Fix-Commit: be602180146de37582a3da3a0caa4b719645de9c (2.32-143)
-Fix-Commit: 394eae338199078b7961b051c191539870742d7b (2.32-142)
-Fix-Commit: 8d7949183760170c61e55def723c1d8050187874 (2.31-157)
-Fix-Commit: 304ce5fe466c4762b21b36c26926a4657b59b53e (2.31-156)

advisories/GLIBC-SA-2024-0007

@@ -1,28 +0,0 @@
-nscd: netgroup cache may terminate daemon on memory allocation failure
-
-The Name Service Cache Daemon's (nscd) netgroup cache uses xmalloc or
-xrealloc and these functions may terminate the process due to a memory
-allocation failure resulting in a denial of service to the clients.  The
-flaw was introduced in glibc 2.15 when the cache was added to nscd.
-
-This vulnerability is only present in the nscd binary.
-
-Subsequent refactoring of the netgroup cache only added more uses of
-xmalloc and xrealloc. Uses of xmalloc and xrealloc in other parts of
-nscd only occur during startup of the daemon and so are not affected by
-client requests that could trigger an out of memory followed by
-termination.
-
-CVE-Id: CVE-2024-33601
-Public-Date: 2024-04-24
-Vulnerable-Commit: 684ae515993269277448150a1ca70db3b94aa5bd (2.15)
-Fix-Commit: c04a21e050d64a1193a6daab872bca2528bda44b (2.40)
-Fix-Commit: a9a8d3eebb145779a18d90e3966009a1daa63cd8 (2.39-38)
-Fix-Commit: 71af8ca864345d39b746d5cee84b94b430fad5db (2.38-75)
-Fix-Commit: 6e106dc214d6a033a4e945d1c6cf58061f1c5f1f (2.37-94)
-Fix-Commit: b6742463694b1dfdd5120b91ee21cf05d15ec2e2 (2.36-168)
-Fix-Commit: 7a5864cac60e06000394128a5a2817b03542f5a3 (2.35-319)
-Fix-Commit: 86f1d5f4129c373ac6fb6df5bcf38273838843cb (2.34-463)
-Fix-Commit: 4d27d4b9a188786fc6a56745506cec2acfc51f83 (2.33-267)
-Fix-Commit: 3ed195a8ec89da281e3c4bf887a13d281b72d8f4 (2.32-144)
-Fix-Commit: bbf5a58ccb55679217f94de706164d15372fbbc0 (2.31-158)

advisories/GLIBC-SA-2024-0008

@@ -1,26 +0,0 @@
-nscd: netgroup cache assumes NSS callback uses in-buffer strings
-
-The Name Service Cache Daemon's (nscd) netgroup cache can corrupt memory
-when the NSS callback does not store all strings in the provided buffer.
-The flaw was introduced in glibc 2.15 when the cache was added to nscd.
-
-This vulnerability is only present in the nscd binary.
-
-There is no guarantee from the NSS callback API that the returned
-strings are all within the buffer. However, the netgroup cache code
-assumes that the NSS callback uses in-buffer strings and if it doesn't
-the buffer resizing logic could lead to potential memory corruption.
-
-CVE-Id: CVE-2024-33602
-Public-Date: 2024-04-24
-Vulnerable-Commit: 684ae515993269277448150a1ca70db3b94aa5bd (2.15)
-Fix-Commit: c04a21e050d64a1193a6daab872bca2528bda44b (2.40)
-Fix-Commit: a9a8d3eebb145779a18d90e3966009a1daa63cd8 (2.39-38)
-Fix-Commit: 71af8ca864345d39b746d5cee84b94b430fad5db (2.38-75)
-Fix-Commit: 6e106dc214d6a033a4e945d1c6cf58061f1c5f1f (2.37-94)
-Fix-Commit: b6742463694b1dfdd5120b91ee21cf05d15ec2e2 (2.36-168)
-Fix-Commit: 7a5864cac60e06000394128a5a2817b03542f5a3 (2.35-319)
-Fix-Commit: 86f1d5f4129c373ac6fb6df5bcf38273838843cb (2.34-463)
-Fix-Commit: 4d27d4b9a188786fc6a56745506cec2acfc51f83 (2.33-267)
-Fix-Commit: 3ed195a8ec89da281e3c4bf887a13d281b72d8f4 (2.32-144)
-Fix-Commit: bbf5a58ccb55679217f94de706164d15372fbbc0 (2.31-158)

advisories/GLIBC-SA-2025-0001

@@ -1,40 +0,0 @@
-assert: Buffer overflow when printing assertion failure message
-
-When the assert() function fails, it does not allocate enough space for the
-assertion failure message string and size information, which may lead to a
-buffer overflow if the message string size aligns to page size.
-
-This bug can be triggered when an assertion in a program fails.  The assertion
-failure message is allocated to allow developers to see this failure in core
-dumps and it typically includes, in addition to the invariant assertion
-string and function name, the name of the program.  If the name of the failing
-program is user controlled, for example on a local system, this could allow an
-attacker to control the assertion failure to trigger this buffer overflow.
-
-The only viable vector for exploitation of this bug is local, if a setuid
-program exists that has an existing bug that results in an assertion failure.
-No such program has been discovered at the time of publishing this advisory,
-but the presence of custom setuid programs, although strongly discouraged as a
-security practice, cannot be discounted.
-
-CVE-Id: CVE-2025-0395
-Public-Date: 2025-01-22
-Vulnerable-Commit: f8a3b5bf8fa1d0c43d2458e03cc109a04fdef194 (2.13-175)
-Fix-Commit: 68ee0f704cb81e9ad0a78c644a83e1e9cd2ee578 (2.41)
-Fix-Commit: cdb9ba84191ce72e86346fb8b1d906e7cd930ea2 (2.42)
-Fix-Commit: 69fda28279b497bd405fdd442a6d8e4d3d5f681b (2.41-7)
-Fix-Commit: 7d4b6bcae91f29d7b4daf15bab06b66cf1d2217c (2.40-66)
-Fix-Commit: d6c156c326999f144cb5b73d29982108d549ad8a (2.40-71)
-Fix-Commit: 808a84a8b81468b517a4d721fdc62069cb8c211f (2.39-146)
-Fix-Commit: f6d48470aef9264d2d56f4c4533eb76db7f9c2e4 (2.39-150)
-Fix-Commit: c32fd59314c343db88c3ea4a203870481d33c3d2 (2.38-122)
-Fix-Commit: f984e2d7e8299726891a1a497a3c36cd5542a0bf (2.38-124)
-Fix-Commit: a3d7865b098a3a67c44f7812208d9ce4718873ba (2.37-143)
-Fix-Commit: b989519fe1683c204ac24ec92830e3fe3bfaccad (2.37-146)
-Fix-Commit: 7971add7ee4171fdd8dfd17e7c04c4ed77a18845 (2.36-216)
-Fix-Commit: 0487893d5c5bc6710d83d7c3152d888a0339559e (2.36-219)
-Fix-Commit: 8b5d4be762419c4f6176261c6fea40ac559b88dc (2.35-370)
-Fix-Commit: 8b3d09dc0d350191985f9d291cc30ce96f034b49 (2.35-373)
-Fix-Commit: df4e1f4a5096b385c9bcc94424cf2eaa227b3761 (2.34-500)
-Fix-Commit: 31eb872cb21449832ab47ad5db83281d240e1d03 (2.34-503)
-Reported-By: Qualys Security Advisory

advisories/GLIBC-SA-2025-0002

@@ -1,23 +0,0 @@
-elf: static setuid binary dlopen may incorrectly search LD_LIBRARY_PATH
-
-A statically linked setuid binary that calls dlopen (including internal
-dlopen calls after setlocale or calls to NSS functions such as getaddrinfo)
-may incorrectly search LD_LIBRARY_PATH to determine which library to load,
-leading to the execution of library code that is attacker controlled.
-
-The only viable vector for exploitation of this bug is local, if a static
-setuid program exists, and that program calls dlopen, then it may search
-LD_LIBRARY_PATH to locate the SONAME to load. No such program has been
-discovered at the time of publishing this advisory, but the presence of
-custom setuid programs, although strongly discouraged as a security
-practice, cannot be discounted.
-
-CVE-Id: CVE-2025-4802
-Public-Date: 2025-05-16
-Vulnerable-Commit: 10e93d968716ab82931d593bada121c17c0a4b93 (2.27)
-Fix-Commit: 5451fa962cd0a90a0e2ec1d8910a559ace02bba0 (2.39)
-Fix-Commit: 3be3728df2f1912c80abd3288bc6e3a25ad679e4 (2.38-132)
-Fix-Commit: 7403ede2d7752e59e0c47d5d33d73c2bf850e7be (2.37-154)
-Fix-Commit: 2ef7850279b2931caf6d6d6743ebaa91839e1cf7 (2.36-227)
-Fix-Commit: 621c65ccf12ddd415ceeb2234423bd1acd0fabb3 (2.35-387)
-Fix-Commit: 35018c0fd20eac9ceaf60060fed2745b3177359d (2.34-517)

advisories/GLIBC-SA-2025-0003

@@ -1,30 +0,0 @@
-power10: strcmp fails to save and restore nonvolatile vector registers
-
-The Power 10 implementation of strcmp in
-sysdeps/powerpc/powerpc64/le/power10/strcmp.S failed to save/restore
-nonvolatile vector registers in the 32-byte aligned loop path.  This
-results in callers reading content from those registers in a different
-context, potentially altering program logic.
-
-There could be a program context where a user controlled string could
-leak through strcmp into program code, thus altering its logic.  There
-is also a potential for sensitive strings passed into strcmp leaking
-through the clobbered registers into parts of the calling program that
-should otherwise not have had access to those strings.
-
-The impact of this flaw is limited to applications running on Power 10
-hardware that use the nonvolatile vector registers, i.e. v20 to v31
-assuming that they have been treated in accordance with the OpenPower
-psABI.  It is possible to work around the issue for those specific
-applications by setting the glibc.cpu.hwcaps tunable to "-arch_3_1" like
-so:
-
-    export GLIBC_TUNABLES=glibc.cpu.hwcaps=-arch_3_1
-
-CVE-Id: CVE-2025-5702
-Public-Date: 2025-06-04
-Vulnerable-Commit: 3367d8e180848030d1646f088759f02b8dfe0d6f (2.39)
-Fix-Commit: 15808c77b35319e67ee0dc8f984a9a1a434701bc (2.42)
-Fix-Commit: 0c76c951620f9e12df2a89b2c684878b55bb6795 (2.41-60)
-Fix-Commit: 7e12550b8e3a11764a4a9090ce6bd3fc23fc8a8e (2.40-139)
-Fix-Commit: 06a70769fd0b2e1f2a3085ad50ab620282bd77b3 (2.39-209)

advisories/GLIBC-SA-2025-0004

@@ -1,29 +0,0 @@
-power10: strncmp fails to save and restore nonvolatile vector registers
-
-The Power 10 implementation of strncmp in
-sysdeps/powerpc/powerpc64/le/power10/strncmp.S failed to save/restore
-nonvolatile vector registers in the 32-byte aligned loop path.  This
-results in callers reading content from those registers in a different
-context, potentially altering program logic.
-
-There could be a program context where a user controlled string could
-leak through strncmp into program code, thus altering its logic.  There
-is also a potential for sensitive strings passed into strncmp leaking
-through the clobbered registers into parts of the calling program that
-should otherwise not have had access to those strings.
-
-The impact of this flaw is limited to applications running on Power 10
-hardware that use the nonvolatile vector registers, i.e. v20 to v31
-assuming that they have been treated in accordance with the OpenPower
-psABI.  It is possible to work around the issue for those specific
-applications by setting the glibc.cpu.hwcaps tunable to "-arch_3_1" like
-so:
-
-    export GLIBC_TUNABLES=glibc.cpu.hwcaps=-arch_3_1
-
-CVE-Id: CVE-2025-5745
-Public-Date: 2025-06-05
-Vulnerable-Commit: 23f0d81608d0ca6379894ef81670cf30af7fd081 (2.40)
-Fix-Commit: 63c60101ce7c5eac42be90f698ba02099b41b965 (2.42)
-Fix-Commit: 84bdbf8a6f2fdafd3661489dbb7f79835a52da82 (2.41-57)
-Fix-Commit: 42a5a940c974d02540c8da26d6374c744d148cb9 (2.40-136)

advisories/GLIBC-SA-2025-0005

@@ -1,14 +0,0 @@
-posix: Fix double-free after allocation failure in regcomp
-
-The regcomp function in the GNU C library version from 2.4 to 2.41 is
-subject to a double free if some previous allocation fails. It can be
-accomplished either by a malloc failure or by using an interposed
-malloc that injects random malloc failures. The double free can allow
-buffer manipulation depending of how the regex is constructed.
-This issue affects all architectures and ABIs supported by the GNU C
-library.
-
-CVE-Id: CVE-2025-8058
-Public-Date: 2025-07-22
-Vulnerable-Commit: 963d8d782fc98fb6dc3a66f0068795f9920c269d (2.3.3-1596)
-Fix-Commit: 7ea06e994093fa0bcca0d0ee2c1db271d8d7885d (2.42)

advisories/GLIBC-SA-2026-0001

@@ -1,41 +0,0 @@
-Integer overflow in memalign leads to heap corruption
-
-Passing too large an alignment to the memalign suite of functions
-(memalign, posix_memalign, aligned_alloc) in the GNU C Library version
-2.30 to 2.42 may result in an integer overflow, which could consequently
-result in a heap corruption.
-
-Note that the attacker must have control over both, the size as well as
-the alignment arguments of the memalign function to be able to exploit
-this.  The size parameter must be close enough to PTRDIFF_MAX so as to
-overflow size_t along with the large alignment argument.  This limits
-the malicious inputs for the alignment for memalign to the range [1<<62
-+ 1, 1<<63] and exactly 1<<63 for posix_memalign and aligned_alloc.
-
-Typically the alignment argument passed to such functions is a known
-constrained quantity (e.g. page size, block size, struct sizes) and is
-not attacker controlled, because of which this may not be easily
-exploitable in practice.  An application bug could potentially result in
-the input alignment being too large, e.g. due to a different buffer
-overflow or integer overflow in the application or its dependent
-libraries, but that is again an uncommon usage pattern given typical
-sources of alignments.
-
-CVE-Id: CVE-2026-0861
-Public-Date: 2026-01-14
-Vulnerable-Commit: 9bf8e29ca136094f73f69f725f15c51facc97206 (2.30)
-Fix-Commit: c9188d333717d3ceb7e3020011651f424f749f93 (2.43)
-Fix-Commit: 7f19ef14fbce095d4c77395e258320cad2ea2b28 (2.30-153)
-Fix-Commit: f18446d7b4a423090ee5e328c36b3c2a0f26041c (2.31-166)
-Fix-Commit: 8aef9e7a7af9565c0324b4ecb38b30dfa3782fd8 (2.32-151)
-Fix-Commit: 011293b4fd748cdd6f95874ba2b6aba9a3df8bff (2.33-275)
-Fix-Commit: 2c77e52108a58956c9f674b36e1f59a4e3fdcf4d (2.34-525)
-Fix-Commit: 499d1ccafccfe64df1b88deea2fa84d8180e8e8f (2.35-399)
-Fix-Commit: fb6b8822175769b5794fb6ea04f2895483a29b61 (2.36-244)
-Fix-Commit: 7b913d41a07836def826f2164c52541a9835f324 (2.37-172)
-Fix-Commit: 744b63026a29f7eedbbc8e3a01a7f48a6eb0a085 (2.38-212)
-Fix-Commit: fb22fd3f5b415dd4cd6f7b5741c2f0412374e242 (2.39-286)
-Fix-Commit: bfc4dd9e526eacf3017dd8864ba0848e9d045dd4 (2.40-216)
-Fix-Commit: 1e2c1ea4307197ccece0cda574bcfebf9080894c (2.41-121)
-Fix-Commit: b0ec8fb689df862171f0f78994a3bdeb51313545 (2.42-49)
-Reported-by: Igor Morgenstern, Aisle Research

advisories/GLIBC-SA-2026-0002

@@ -1,36 +0,0 @@
-getnetbyaddr and getnetbyaddr_r leak stack contents to DNS resovler
-
-Calling getnetbyaddr or getnetbyaddr_r with a configured nsswitch.conf
-that specifies the library's DNS backend for networks and queries for a
-zero-valued network in the GNU C Library version 2.0 to version 2.42
-can leak stack contents to the configured DNS resolver.
-
-A defect in the _nss_dns_getnetbyaddr_r function which implements
-getnetbyaddr and getnetbyaddr_r in the dns-based network database can
-pass stack contents unmodified to the configured DNS resolver as part of
-the network DNS query when the network queried is the default network
-i.e. net == 0x0.  This stack contents leaking in the query is considered
-a loss of confidentiality for the host making the query.  Typically it
-is rare to call these APIs with a net value of zero, and if an attacker
-can control the net value it can only leak adjacent stack, and so loss
-of confidentiality is spatially limited.  The leak might be used to
-accelerate an ASLR bypass by knowing pointer values, but also requires
-network adjacent access to snoop between the application and the
-DNS server; making the attack complexity higher.
-
-CVE-Id: CVE-2026-0915
-Public-Date: 2026-01-15
-Vulnerable-Commit: 5f0e6fc702296840d2daa39f83f6cb1e40073d58 (1.92-1)
-Fix-Commit: e56ff82d5034ec66c6a78f517af6faa427f65b0b (2.43)
-Fix-Commit: 453e6b8dbab935257eb0802b0c97bca6b67ba30e (2.42-50)
-Fix-Commit: 15c9839a0b853f552b4ed9047841b6223f3c104d (2.41-122)
-Fix-Commit: 329c775788b2c9ff3da774ccf59fba7b6b8ff08e (2.40-217)
-Fix-Commit: 831f63b94ceb92fb14c0d1a7ddad35a0d1404c71 (2.39-287)
-Fix-Commit: 49125ffc8e1674dc2a100dfdc5b78796f22e16f2 (2.38-213)
-Fix-Commit: ddcaed5dfb05b2c1a6ea842fd6b643501365450a (2.37-173)
-Fix-Commit: a6bf47887f24b2b394acb301a3189fda04bd4d4d (2.36-245)
-Fix-Commit: 66f0cb057c9b4fb1249a5fec6ef4a63511a37899 (2.35-400)
-Fix-Commit: 96863dee262225cfb79f9fe45e06fd188319c7b8 (2.34-526)
-Fix-Commit: d210011f1536c8322157cbb4fe4229b35c834c08 (2.33-276)
-Fix-Commit: 1bc1832cfc74c2a601220969f36e789a5e9f0ebe (2.32-152)
-Reported-by: Igor Morgenstern, Aisle Research

advisories/GLIBC-SA-2026-0003

@@ -1,36 +0,0 @@
-wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory
-
-Calling wordexp with WRDE_REUSE in conjunction with WRDE_APPEND in the
-GNU C Library version 2.0 to version 2.42 may cause the interface to
-return uninitialized memory in the we_wordv member, which on subsequent
-calls to wordfree may abort the process.
-
-The implementation of WRDE_REUSE in conjunction with WRDE_APPEND fails
-to clear the we_wordc member of the structure, and as such, when new
-words are added internally, a leading we_wordc count number of entries
-are skipped since they are assumed initialized.  These skipped entries
-are not initialized, but are the contents of a realloc-expanded array of
-pointers.  If the caller inspects the we_wordv array, it will
-dereference invalid pointers and crash. If the caller calls wordfree,
-the malloc implementation may detect the invalid pointers and abort the
-process.  Calls to wordexp using WRDE_REUSE and WRDE_APPEND have never
-worked correctly and thus the existence of applications that make use of
-this feature is unlikely.
-
-CVE-Id: CVE-2025-15281
-Public-Date: 2026-01-20
-Vulnerable-Commit: 8f2ece695d8822e9ecc63ecd157e90bf17a6fe65 (1.93-260)
-Fix-Commit: 80cc58ea2de214f85b0a1d902a3b668ad2ecb302 (2.43)
-Fix-Commit: cbf39c26b25801e9bc88499b4fd361ac172d4125 (2.42-51)
-Fix-Commit: fb4db64a04ad6c96cd1fbb7e02eb59323b1f2ac2 (2.41-123)
-Fix-Commit: 9fe8576664d43b87ca19401fb6a975e217e47623 (2.40-218)
-Fix-Commit: ce65d944e38a20cb70af2a48a4b8aa5d8fabe1cc (2.39-288)
-Fix-Commit: d5409a1be010699794264162c551ba60f05ee6c3 (2.38-214)
-Fix-Commit: ff2b172803f6bbd897755d2ce83ec4323a1a15b3 (2.37-174)
-Fix-Commit: e97cfe2293ed097eb3d0b4c18274d22855e65130 (2.36-246)
-Fix-Commit: bb59339d02faebac534a87eea50c83c948f35b77 (2.35-401)
-Fix-Commit: 2b656ff94d72f93c84d8da2e7c76456c1994f02e (2.34-527)
-Fix-Commit: 1d8ed2067a8a5d162a07670d0d063429679f17a0 (2.33-277)
-Fix-Commit: 3a56c4ee4ea49b8f2391a2d8d6220013c4160a79 (2.32-153)
-Fix-Commit: 28eb5caf895ced5d895cb02757e109004a2d33e5 (2.31-167)
-Reported-by: Vitaly Simonovich

advisories/GLIBC-SA-2026-0004

@@ -1,30 +0,0 @@
-nscd client crash on x86_64 under high nscd load
-
-Calling NSS-backed functions that support caching via nscd may call the
-nscd client side code and in the GNU C Library version 2.36 under high
-load on x86_64 systems, the client may call memcmp on inputs that are
-concurrently modified by other processes or threads and crash.
-
-The nscd client in the GNU C Library uses the memcmp function with
-inputs that may be concurrently modified by another thread, potentially
-resulting in spurious cache misses, which in itself is not a security
-issue.  However in the GNU C Library version 2.36 an optimized
-implementation of memcmp was introduced for x86_64 which could crash
-when invoked with such undefined behaviour, turning this into a
-potential crash of the nscd client and the application that uses it.
-This implementation was backported to the 2.35 branch, making the nscd
-client in that branch vulnerable as well.  Subsequently, the fix for
-this issue was backported to all vulnerable branches in the GNU C
-Library repository.
-
-It is advised that distributions that may have cherry-picked the memcpy
-SSE2 optimization in their copy of the GNU C Library, also apply the fix
-to avoid the potential crash in the nscd client.
-
-CVE-Id: CVE-2026-3904
-Public-Date: 2026-03-11
-Vulnerable-Commit: 8804157ad9da39631703b92315460808eac86b0c (2.36)
-Vulnerable-Commit: 5a8df6485c584e2b0e957ec6b9070437a724911a (2.35-89)
-Fix-Commit: b712be52645282c706a5faa038242504feb06db5 (2.37)
-Fix-Commit: 93967a2a7bbdcedb73e0b246713580c7c84d001e (2.36-84)
-Fix-Commit: 6bcd5d8e3668d52388a6e0580611749f93e6871f (2.35-230)

advisories/GLIBC-SA-2026-0005

@@ -1,37 +0,0 @@
-gethostbyaddr and gethostbyaddr_r may incorrectly handle DNS response
-
-Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf
-that specifies the library's DNS backend in the GNU C Library version
-2.34 to version 2.43 could, with a crafted response from the configured
-DNS server, result in a violation of the DNS specification that causes
-the application to treat a non-answer section of the DNS response as a
-valid answer.
-
-A defect in the getanswer_ptr function, which implements the iteration
-and extraction of the answer from the DNS response, can cause it to
-incorrectly transition from the answer section to the next section while
-still treating it as an answer to the question.  This can happen when
-the answer contains only skipped records, and the subsequent section
-contains a semantically invalid T_PTR record.  This is considered a
-security issue because it is a violation of the DNS specification that
-leads to incorrect behaviour that could result in the wrong hostname
-being returned to the caller.  At the time of publication, no known
-affected DNS server returns results that would be incorrectly
-interpreted by the library.  An attacker would either need to be network
-adjacent or have compromised the DNS server to use this defect to hide
-returned reverse DNS results from intrusion detection systems. Even
-then, the inbound connection from the attacker, or the outbound
-connection from the application, would be visible to the intrusion
-detection system.  At best, the defect can be used to obfuscate and
-delay analysis of the evolving threat.
-
-CVE-Id: CVE-2026-4437
-Public-Date: 2026-03-20
-Vulnerable-Commit: 32e5db37684ffcbc6ae34fcc6cdcf28670506baa (2.34-323)
-Vulnerable-Commit: def97e7f71a07517810f7263213d607e08ad21f1 (2.35-188)
-Vulnerable-Commit: 77f523c473878ec0051582ef15161c6982879095 (2.36-30)
-Vulnerable-Commit: e32547d661a43da63368e488b6cfa9c53b4dcf92 (2.37)
-Fix-Commit: 5c6fca0c62ce5bd6e68e259f138097756cbafd4d (2.43-16)
-Fix-Commit: 9f5f18aab40ec6b61fa49a007615e6077e9a979b (2.44)
-Reported-by: Antonio Maini (0rbitingZer0) - 0rbitingZer0@proton.me
-Reported-by: Kevin Farrell

advisories/GLIBC-SA-2026-0006

@@ -1,27 +0,0 @@
-gethostbyaddr and gethostbyaddr_r return invalid DNS hostnames
-
-Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf
-that specifies the library's DNS backend in the GNU C library version
-2.34 to version 2.43 could result in an invalid DNS hostname being
-returned to the caller in violation of the DNS specification.
-
-A defect in the getanswer_ptr function, which implements the iteration
-and extraction of the answer from a DNS response, can cause it to accept
-an invalid DNS hostname that can contain shell metacharacters. An
-application that uses the returned hostname in a shell, without guarding
-for shell expansion, may be subject to shell injection attacks.  At the
-time of publication, no known affected DNS server returns results with
-shell metacharacters in the results.  An attacker would either need to
-be network adjacent or have compromised the DNS server to use this
-defect for shell injection.  No known vulnerable application has been
-identified.
-
-CVE-Id: CVE-2026-4438
-Public-Date: 2026-03-20
-Vulnerable-Commit: 32e5db37684ffcbc6ae34fcc6cdcf28670506baa (2.34-323)
-Vulnerable-Commit: def97e7f71a07517810f7263213d607e08ad21f1 (2.35-188)
-Vulnerable-Commit: 77f523c473878ec0051582ef15161c6982879095 (2.36-30)
-Vulnerable-Commit: e32547d661a43da63368e488b6cfa9c53b4dcf92 (2.37)
-Fix-Commit: dd9945c0ba40d2dbc9eb7c99291ba6b69bd66718 (2.43-17)
-Fix-Commit: e10977481f4db4b2a3ce34fa4c3a1e26651ae312 (2.44)
-Reported-by: Antonio Maini (0rbitingZer0) - 0rbitingZer0@proton.me

advisories/GLIBC-SA-2026-0007

@@ -1,15 +0,0 @@
-iconv crash due to assertion failure with untrusted input
-
-The iconv() function in the GNU C Library versions 2.43 and earlier may
-crash due to an assertion failure when converting inputs from the
-IBM1390 or IBM1399 character sets, which may be used to remotely crash
-an application.
-
-This vulnerability can be trivially mitigated by removing the IBM1390
-and IBM1399 character sets from systems that do not need them.
-
-CVE-Id: CVE-2026-4046
-Public-Date: 2026-03-12
-Vulnerable-Commit: 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (2.3.3-1501)
-Fix-Commit: d6f08d1cf027f4eb2ba289a6cc66853722d4badc (2.44)
-Reported-by: Rocket Ma

advisories/GLIBC-SA-2026-0008

@@ -1,22 +0,0 @@
-REJECTED: Static buffer overflow in deprecated nis_local_principal
-
-REJECTED: CVE-2026-5358 is rejected for two reasons. Firstly it has been
-discovered that no NIS+ client or server was ever released for any
-Linux-based OS distributions and as such this makes the API provisional
-and unused.  Secondly it has been discovered that the NIS+ cold start
-cache (/var/nis/NIS_COLD_START) cannot be bypassed and as such the API
-can only be called with a trusted server from the pre-populated cache.
-The use of a trusted server means no trust boundary is crossed and this
-is therefore considered a normal bug.
-
-NIS+ support in the GNU C Library was never officially supported even
-though an incomplete implementation of the APIs was made pulibc.  To the
-best knowledge of the glibc security team no open-source NIS+ server
-implementations were ever released for use with this API.  Applications
-should not use any of the NIS+ APIs and should move to modern identity
-and access management services.
-
-CVE-Id: CVE-2026-5358
-Public-Date: 2026-04-10
-Rejected-Date: 2026-04-33
-Reported-by: Rahul Hoysala

advisories/GLIBC-SA-2026-0009

@@ -1,23 +0,0 @@
-scanf %mc off-by-one heap buffer overflow
-
-Calling the scanf family of functions with a %mc (malloc'd character
-match) in the GNU C Library version 2.7 to version 2.43 with a format
-width specifier with an explicit width greater than 1024 could result in
-a one byte heap buffer overflow.
-
-The bug is in the buffer growth formula in __vfscanf_internal, which
-under-allocates by one byte during realloc expansion, allowing a
-controlled single-byte overwrite past the end of the heap buffer.
-
-The impact is limited by the fact that to execute the overwrite you need
-both user controlled input data and a specific choice of maximum width
-that yields a smaller than needed allocation. The latter point has to
-take into account malloc's particular chunk size rounding process.  The
-"%[width]mc" format specifier does not appear to have notable use in
-major Linux-based OS distributions, due to which the real world impact
-may be limited to bespoke use cases.
-
-CVE-Id: CVE-2026-5450
-Public-Date: 2026-03-19
-Vulnerable-Commit: 874aa52349cc111d1f6ea5dff24bb14c306714e0 (2.7)
-Reported-by: Rocket Ma

advisories/GLIBC-SA-2026-0010

@@ -1,24 +0,0 @@
-Potential buffer under-read in ungetwc
-
-Calling the ungetwc function on a FILE stream with wide characters
-encoded in a character set that has overlaps between its single byte and
-multi-byte character encodings, in the GNU C Library version 2.43 or
-earlier, may result in an attempt to read bytes before an allocated
-buffer, potentially resulting in unintentional disclosure of neighboring
-data in the heap, or a program crash.
-
-A bug in the wide character pushback implementation
-(_IO_wdefault_pbackfail in libio/wgenops.c) causes ungetwc() to operate
-on the regular character buffer (fp->_IO_read_ptr) instead of the actual
-wide-stream read pointer (fp->_wide_data->_IO_read_ptr). The program
-crash may happen in cases where fp->_IO_read_ptr is not initialized and
-hence points to NULL. The buffer under-read requires a special situation
-where the input character encoding is such that there are overlaps
-between single byte representations and multibyte representations in
-that encoding, resulting in spurious matches.  The spurious match case
-is not possible in the standard Unicode character sets.
-
-CVE-Id: CVE-2026-5928
-Public-Date: 2026-03-17
-Reported-by: Rocket Ma
-Vulnerable-Commit: d64b6ad07585b8a37e5fecc9a47fcee766d52ede (2.1.1-89)

advisories/GLIBC-SA-2026-0011

@@ -1,24 +0,0 @@
-Potential buffer overflow in ns_sprintrrf TSIG handling path
-
-The deprecated functions ns_printrrf, ns_printrr and fp_nquery in the
-GNU C Library version 2.2 and newer fail to enforce the caller-supplied
-buffer length, and can result in an out-of-bounds write when printing
-TSIG records.
-
-A defect in the TSIG case handling within ns_sprintrrf performs a
-formatted write using sprintf without checking the remaining buffer
-length, and may write up to 6 bytes past the end of the buffer.  If the
-library is compiled with assertions, and the out-of-bounds write doesn't
-terminate the process, then a subsequent check for "len <= *buflen" will
-trigger an assertion failure.
-
-These functions are for application debugging only and hence not in the
-path of code executed by the DNS resolver. Further, they have been
-deprecated since version 2.34 (2021-08-02) and should not be used by any
-new applications.  Applications should consider porting away from these
-interfaces since they may be removed in future versions.
-
-CVE-Id: CVE-2026-5435
-Public-Date: 2026-04-02
-Vulnerable-Commit: b43b13ac2544b11f35be301d1589b51a8473e32b (2.2)
-Reported-by: shinobu

advisories/GLIBC-SA-2026-0012

@@ -1,18 +0,0 @@
-Buffer overread in ns_printrrf with corrupted RDATA field
-
-The deprecated functions ns_printrrf, ns_printrr and fp_nquery in the
-GNU C Library version 2.0.1 to version 2.43 fail to validate the RDATA
-content against the RDATA length in a DNS response when processing A6,
-CERT, LOC, TKEY or TSIG records, which may allow an attacker to craft a
-DNS response, causing a target application to crash or read
-uninitialized memory.
-
-These functions are for application debugging only and hence not in the
-path of code executed by the DNS resolver.  Further, they have been
-deprecated since version 2.34 and should not be used by any new
-applications.  Applications should consider porting away from these
-interfaces since they may be removed in future versions.
-
-CVE-Id: CVE-2026-6238
-Public-Date: 2026-04-11
-Vulnerable-Commit: ee188d555b8c32ad9704a7440cab400af967292f (1.90)

advisories/GLIBC-SA-2026-0013

@@ -1,20 +0,0 @@
-Potential stack-based buffer clash during tilde expansion in wordexp
-
-Calling wordexp with a tilde (~) followed by an overly long username
-in the GNU C Library version 2.2.3 to 2.43 may lead to a stack buffer
-clash.
-
-When expanding paths that begin with a tilde (~) followed by a username, the
-internal parse_tilde function extracts the username to determine the user's
-home directory.  The implementation allocates memory for this username directly
-on the stack using the strndupa macro.  Because the size of this allocation
-was determined by the length of the user-supplied input without any bounds
-checks, passing an excessively long username e.g. thousands of characters,
-forces the thread to exhaust its stack space. Thus if an application passes
-untrusted, attacker-controlled input to the wordexp function, an attacker
-can trigger a stack clash.
-
-CVE-Id: CVE-2026-6791
-Public-Date: 2026-06-22
-Vulnerable-Commit: 344af000e1d6e9c7882b9bc48e71cb3f1b5fc03c (2.2.3-114)
-Reported-by: storm

advisories/README

@@ -1,92 +0,0 @@
-GNU C Library Security Advisory Format
-======================================
-
-Security advisories in this directory follow a simple git commit log
-format, with a heading and free-format description augmented with tags
-to allow parsing key information.  References to code changes are
-specific to the glibc repository and follow a specific format:
-
-  Tag-name: <commit-ref> (release-version)
-
-The <commit-ref> indicates a specific commit in the repository.  The
-release-version indicates the publicly consumable release in which this
-commit is known to exist.  The release-version is derived from the
-git-describe format, (i.e. stripped out from glibc-2.34.NNN-gxxxx) and
-is of the form 2.34-NNN.  If the -NNN suffix is absent, it means that
-the change is in that release tarball, otherwise the change is on the
-release/2.YY/master branch and not in any released tarball.
-
-The following tags are currently being used:
-
-CVE-Id:
-This is the CVE-Id assigned under the CVE Program
-(https://www.cve.org/).
-
-Public-Date:
-The date this issue became publicly known.
-
-Rejected-Date:
-The most recent date the assigned advisory was rejected. If the advisory
-is ever published again the Rejected-Date tag should be removed.
-
-Vulnerable-Commit:
-The commit that introduced this vulnerability.  There could be multiple
-entries, one for each release branch in the glibc repository; the
-release-version portion of this tag should tell you which branch this is
-on.
-
-Fix-Commit:
-The commit that fixed this vulnerability.  There could be multiple
-entries for each release branch in the glibc repository, indicating that
-all of those commits contributed to fixing that issue in each of those
-branches.
-
-Reported-By:
-The entity that reported this issue. There could be multiple entries, one for
-each reporter.
-
-Adding an Advisory
-------------------
-
-An advisory for a CVE needs to be added on the master branch in two steps:
-
-1. Add the text of the advisory without any Fix-Commit tags along with
-   the fix for the CVE.  Add the Vulnerable-Commit tag, if applicable.
-   The advisories directory does not exist in release branches, so keep
-   the advisory text commit distinct from the code changes, to ease
-   backports.  Ask for the GLIBC-SA advisory number from the security
-   team.
-
-2. Finish all backports on release branches and then back on the msater
-   branch, add all commit refs to the advisory using the Fix-Commit
-   tags.  Don't bother adding the release-version subscript since the
-   next step will overwrite it.
-
-3. Run the process-advisories.sh script in the scripts directory on the
-   advisory:
-
-     scripts/process-advisories.sh update GLIBC-SA-YYYY-NNNN
-
-   (replace YYYY-NNNN with the actual advisory number).
-
-4. Verify the updated advisory and push the result.
-
-Rejecting an Advisory
----------------------
-
-Rejecting an advisory on the master branch can be done in one step:
-
-1. Mark the advisory as rejected. Add the text "REJECTED: " as a prefix
-   to any short-form description. Add a new paragraph that starts with
-   "REJECTED: " and explains the reason for the rejection including
-   justification for why it no longer has security impact.  Lastly add
-   a Rejected-Date tag to the advisory.
-
-Getting a NEWS snippet from advisories
---------------------------------------
-
-Run:
-
-  scripts/process-advisories.sh news
-
-and copy the content into the NEWS file.

argp/Makefile

@@ -1,4 +1,4 @@
-# Copyright (C) 1997-2026 Free Software Foundation, Inc.
+# Copyright (C) 1997-2021 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -22,30 +22,12 @@ subdir	:= argp
 
 include ../Makeconfig
 
-headers = \
-  argp.h \
-  bits/argp-ldbl.h \
-  # headers
-routines = \
-  argp-ba \
-  argp-eexst \
-  argp-fmtstream \
-  argp-fs-xinl \
-  argp-help \
-  argp-parse \
-  argp-pv \
-  argp-pvh \
-  argp-xinl \
-  # routines
+headers		= argp.h bits/argp-ldbl.h
+routines	= $(addprefix argp-, ba fmtstream fs-xinl help parse pv \
+				     pvh xinl eexst)
 
-tests = \
-  argp-test \
-  bug-argp1 \
-  bug-argp2 \
-  tst-argp1 \
-  tst-argp2 \
-  tst-ldbl-argp \
-  # tests
+tests		= argp-test tst-argp1 bug-argp1 tst-argp2 bug-argp2 \
+		  tst-ldbl-argp
 
 CFLAGS-argp-help.c += $(uses-callbacks) -fexceptions
 CFLAGS-argp-parse.c += $(uses-callbacks)

argp/argp-ba.c

@@ -1,5 +1,5 @@
 /* Default definition for ARGP_PROGRAM_BUG_ADDRESS.
-   Copyright (C) 1996-2026 Free Software Foundation, Inc.
+   Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Miles Bader <miles@gnu.ai.mit.edu>.
 

argp/argp-eexst.c

@@ -1,5 +1,5 @@
 /* Default definition for ARGP_ERR_EXIT_STATUS
-   Copyright (C) 1997-2026 Free Software Foundation, Inc.
+   Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Miles Bader <miles@gnu.ai.mit.edu>.
 

argp/argp-fmtstream.c

@@ -1,5 +1,5 @@
 /* Word-wrapping and line-truncating streams
-   Copyright (C) 1997-2026 Free Software Foundation, Inc.
+   Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Miles Bader <miles@gnu.ai.mit.edu>.
 
@@ -74,7 +74,7 @@ __argp_make_fmtstream (FILE *stream,
       if (! fs->buf)
 	{
 	  free (fs);
-	  fs = NULL;
+	  fs = 0;
 	}
       else
 	{

argp/argp-fmtstream.h

@@ -1,5 +1,5 @@
 /* Word-wrapping and line-truncating streams.
-   Copyright (C) 1997-2026 Free Software Foundation, Inc.
+   Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Miles Bader <miles@gnu.ai.mit.edu>.
 
@@ -107,22 +107,19 @@ __BEGIN_DECLS
 extern argp_fmtstream_t __argp_make_fmtstream (FILE *__stream,
 					       size_t __lmargin,
 					       size_t __rmargin,
-					       ssize_t __wmargin)
-     attribute_hidden;
+					       ssize_t __wmargin);
 extern argp_fmtstream_t argp_make_fmtstream (FILE *__stream,
 					     size_t __lmargin,
 					     size_t __rmargin,
 					     ssize_t __wmargin);
 
 /* Flush __FS to its stream, and free it (but don't close the stream).  */
-extern void __argp_fmtstream_free (argp_fmtstream_t __fs)
-     attribute_hidden;
+extern void __argp_fmtstream_free (argp_fmtstream_t __fs);
 extern void argp_fmtstream_free (argp_fmtstream_t __fs);
 
 extern ssize_t __argp_fmtstream_printf (argp_fmtstream_t __fs,
 					const char *__fmt, ...)
-     __attribute__ ((__format__ (printf, 2, 3)))
-     attribute_hidden;
+     __attribute__ ((__format__ (printf, 2, 3)));
 extern ssize_t argp_fmtstream_printf (argp_fmtstream_t __fs,
 				      const char *__fmt, ...)
      __attribute__ ((__format__ (printf, 2, 3)));
@@ -134,8 +131,7 @@ extern int __argp_fmtstream_puts (argp_fmtstream_t __fs, const char *__str);
 extern int argp_fmtstream_puts (argp_fmtstream_t __fs, const char *__str);
 
 extern size_t __argp_fmtstream_write (argp_fmtstream_t __fs,
-				      const char *__str, size_t __len)
-     attribute_hidden;
+				      const char *__str, size_t __len);
 extern size_t argp_fmtstream_write (argp_fmtstream_t __fs,
 				    const char *__str, size_t __len);
 
@@ -171,11 +167,9 @@ extern size_t __argp_fmtstream_point (argp_fmtstream_t __fs);
 
 /* Internal routines.  */
 extern void _argp_fmtstream_update (argp_fmtstream_t __fs);
-extern void __argp_fmtstream_update (argp_fmtstream_t __fs)
-     attribute_hidden;
+extern void __argp_fmtstream_update (argp_fmtstream_t __fs);
 extern int _argp_fmtstream_ensure (argp_fmtstream_t __fs, size_t __amount);
-extern int __argp_fmtstream_ensure (argp_fmtstream_t __fs, size_t __amount)
-     attribute_hidden;
+extern int __argp_fmtstream_ensure (argp_fmtstream_t __fs, size_t __amount);
 
 #ifdef __OPTIMIZE__
 /* Inline versions of above routines.  */

argp/argp-fs-xinl.c

@@ -1,5 +1,5 @@
 /* Real definitions for extern inline functions in argp-fmtstream.h
-   Copyright (C) 1997-2026 Free Software Foundation, Inc.
+   Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Miles Bader <miles@gnu.ai.mit.edu>.
 

argp/argp-help.c

@@ -1,5 +1,5 @@
 /* Hierarchial argument parsing help output
-   Copyright (C) 1995-2026 Free Software Foundation, Inc.
+   Copyright (C) 1995-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Miles Bader <miles@gnu.ai.mit.edu>.
 
@@ -210,9 +210,9 @@ fill_in_uparams (const struct argp_state *state)
 	      }
 	    else if (isdigit ((unsigned char) *arg))
 	      {
-		char *ep;
-		val = strtol (arg, &ep, 10);
-		arg = ep;
+		val = atoi (arg);
+		while (isdigit ((unsigned char) *arg))
+		  arg++;
 		SKIPWS (arg);
 	      }
 
@@ -443,7 +443,7 @@ make_hol (const struct argp *argp, struct hol_cluster *cluster)
   assert (hol);
 
   hol->num_entries = 0;
-  hol->clusters = NULL;
+  hol->clusters = 0;
 
   if (opts)
     {
@@ -615,7 +615,7 @@ static char
 hol_entry_first_short (const struct hol_entry *entry)
 {
   return hol_entry_short_iterate (entry, until_short,
-				  entry->argp->argp_domain, NULL);
+				  entry->argp->argp_domain, 0);
 }
 
 /* Returns the first valid long option in ENTRY, or NULL if there is none.  */
@@ -627,7 +627,7 @@ hol_entry_first_long (const struct hol_entry *entry)
   for (opt = entry->opt, num = entry->num; num > 0; opt++, num--)
     if (opt->name && ovisible (opt))
       return opt->name;
-  return NULL;
+  return 0;
 }
 
 /* Returns the entry in HOL with the long option name NAME, or NULL if there is
@@ -652,7 +652,7 @@ hol_find_entry (struct hol *hol, const char *name)
       entry++;
     }
 
-  return NULL;
+  return 0;
 }
 
 /* If an entry with the long option NAME occurs in HOL, set it's special
@@ -926,7 +926,7 @@ hol_append (struct hol *hol, struct hol *more)
   while (*cl_end)
     cl_end = &(*cl_end)->next;
   *cl_end = more->clusters;
-  more->clusters = NULL;
+  more->clusters = 0;
 
   /* Merge entries.  */
   if (more->num_entries > 0)
@@ -1299,7 +1299,7 @@ hol_entry_help (struct hol_entry *entry, const struct argp_state *state,
     {
       const char *tstr = real->doc ? dgettext (state == NULL ? NULL
 					       : state->root_argp->argp_domain,
-					       real->doc) : NULL;
+					       real->doc) : 0;
       const char *fstr = filter_doc (tstr, real->key, entry->argp, state);
       if (fstr && *fstr)
 	{
@@ -1339,7 +1339,7 @@ hol_help (struct hol *hol, const struct argp_state *state,
 {
   unsigned num;
   struct hol_entry *entry;
-  struct hol_help_state hhstate = { NULL, 0, 0 };
+  struct hol_help_state hhstate = { 0, 0, 0 };
 
   for (entry = hol->entries, num = hol->num_entries; num > 0; entry++, num--)
     hol_entry_help (entry, state, stream, &hhstate);
@@ -1351,7 +1351,7 @@ hol_help (struct hol *hol, const struct argp_state *state,
 Mandatory or optional arguments to long options are also mandatory or \
 optional for any corresponding short options.");
       const char *fstr = filter_doc (tstr, ARGP_KEY_HELP_DUP_ARGS_NOTE,
-				     state ? state->root_argp : NULL, state);
+				     state ? state->root_argp : 0, state);
       if (fstr && *fstr)
 	{
 	  __argp_fmtstream_putc (stream, '\n');
@@ -1511,7 +1511,7 @@ argp_args_usage (const struct argp *argp, const struct argp_state *state,
   char *our_level = *levels;
   int multiple = 0;
   const struct argp_child *child = argp->children;
-  const char *tdoc = dgettext (argp->argp_domain, argp->args_doc), *nl = NULL;
+  const char *tdoc = dgettext (argp->argp_domain, argp->args_doc), *nl = 0;
   const char *fdoc = filter_doc (tdoc, ARGP_KEY_HELP_ARGS_DOC, argp, state);
 
   if (fdoc)
@@ -1560,7 +1560,7 @@ argp_args_usage (const struct argp *argp, const struct argp_state *state,
 }
 
 /* Print the documentation for ARGP to STREAM; if POST is false, then
-   everything preceding a `\v' character in the documentation strings (or
+   everything preceeding a `\v' character in the documentation strings (or
    the whole string, for those with none) is printed, otherwise, everything
    following the `\v' character (nothing for strings without).  Each separate
    bit of documentation is separated a blank line, and if PRE_BLANK is true,
@@ -1573,7 +1573,7 @@ argp_doc (const struct argp *argp, const struct argp_state *state,
 {
   const char *text;
   const char *inp_text;
-  void *input = NULL;
+  void *input = 0;
   int anything = 0;
   size_t inp_text_limit = 0;
   const char *doc = dgettext (argp->argp_domain, argp->doc);
@@ -1582,11 +1582,11 @@ argp_doc (const struct argp *argp, const struct argp_state *state,
   if (doc)
     {
       char *vt = strchr (doc, '\v');
-      inp_text = post ? (vt ? vt + 1 : NULL) : doc;
+      inp_text = post ? (vt ? vt + 1 : 0) : doc;
       inp_text_limit = (!post && vt) ? (vt - doc) : 0;
     }
   else
-    inp_text = NULL;
+    inp_text = 0;
 
   if (argp->help_filter)
     /* We have to filter the doc strings.  */
@@ -1628,7 +1628,7 @@ argp_doc (const struct argp *argp, const struct argp_state *state,
   if (post && argp->help_filter)
     /* Now see if we have to output a ARGP_KEY_HELP_EXTRA text.  */
     {
-      text = (*argp->help_filter) (ARGP_KEY_HELP_EXTRA, NULL, input);
+      text = (*argp->help_filter) (ARGP_KEY_HELP_EXTRA, 0, input);
       if (text)
 	{
 	  if (anything || pre_blank)
@@ -1661,7 +1661,7 @@ _help (const struct argp *argp, const struct argp_state *state, FILE *stream,
        unsigned flags, char *name)
 {
   int anything = 0;		/* Whether we've output anything.  */
-  struct hol *hol = NULL;
+  struct hol *hol = 0;
   argp_fmtstream_t fs;
 
   if (! stream)
@@ -1684,7 +1684,7 @@ _help (const struct argp *argp, const struct argp_state *state, FILE *stream,
 
   if (flags & (ARGP_HELP_USAGE | ARGP_HELP_SHORT_USAGE | ARGP_HELP_LONG))
     {
-      hol = argp_hol (argp, NULL);
+      hol = argp_hol (argp, 0);
 
       /* If present, these options always come last.  */
       hol_set_group (hol, "help", -1);
@@ -1801,7 +1801,7 @@ Try `%s --help' or `%s --usage' for more information.\n"),
 void __argp_help (const struct argp *argp, FILE *stream,
 		  unsigned flags, char *name)
 {
-  _help (argp, NULL, stream, flags, name);
+  _help (argp, 0, stream, flags, name);
 }
 #ifdef weak_alias
 weak_alias (__argp_help, argp_help)
@@ -1843,7 +1843,7 @@ __argp_state_help (const struct argp_state *state, FILE *stream, unsigned flags)
       if (state && (state->flags & ARGP_LONG_ONLY))
 	flags |= ARGP_HELP_LONG_ONLY;
 
-      _help (state ? state->root_argp : NULL, state, stream, flags,
+      _help (state ? state->root_argp : 0, state, stream, flags,
 	     state ? state->name : __argp_short_program_name ());
 
       if (!state || ! (state->flags & ARGP_NO_EXIT))

argp/argp-namefrob.h

@@ -1,5 +1,5 @@
 /* Name frobnication for compiling argp outside of glibc
-   Copyright (C) 1997-2026 Free Software Foundation, Inc.
+   Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Miles Bader <miles@gnu.ai.mit.edu>.
 
@@ -76,6 +76,11 @@
 #undef __argp_fmtstream_wmargin
 #define __argp_fmtstream_wmargin argp_fmtstream_wmargin
 
+#include "mempcpy.h"
+#include "strcase.h"
+#include "strchrnul.h"
+#include "strndup.h"
+
 /* normal libc functions we call */
 #undef __flockfile
 #define __flockfile flockfile

argp/argp-parse.c

@@ -1,5 +1,5 @@
 /* Hierarchial argument parsing, layered over getopt
-   Copyright (C) 1995-2026 Free Software Foundation, Inc.
+   Copyright (C) 1995-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Miles Bader <miles@gnu.ai.mit.edu>.
 
@@ -21,6 +21,21 @@
 #include <config.h>
 #endif
 
+/* AIX requires this to be the first thing in the file.  */
+#ifndef __GNUC__
+# if HAVE_ALLOCA_H || defined _LIBC
+#  include <alloca.h>
+# else
+#  ifdef _AIX
+#pragma alloca
+#  else
+#   ifndef alloca /* predefined by HP cc +Olibcalls */
+char *alloca ();
+#   endif
+#  endif
+# endif
+#endif
+
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
@@ -83,13 +98,13 @@ static volatile int _argp_hang;
 
 static const struct argp_option argp_default_options[] =
 {
-  {"help",	  '?',	  	NULL, 0,  N_("Give this help list"), -1},
-  {"usage",	  OPT_USAGE,	NULL, 0,  N_("Give a short usage message")},
+  {"help",	  '?',	  	0, 0,  N_("Give this help list"), -1},
+  {"usage",	  OPT_USAGE,	0, 0,  N_("Give a short usage message")},
   {"program-name",OPT_PROGNAME, N_("NAME"), OPTION_HIDDEN,
    N_("Set the program name")},
   {"HANG",	  OPT_HANG,    N_("SECS"), OPTION_ARG_OPTIONAL | OPTION_HIDDEN,
    N_("Hang for SECS seconds (default 3600)")},
-  {NULL, 0}
+  {0, 0}
 };
 
 static error_t
@@ -132,7 +147,7 @@ argp_default_parser (int key, char *arg, struct argp_state *state)
       break;
 
     case OPT_HANG:
-      _argp_hang = arg ? strtol (arg, NULL, 10) : 3600;
+      _argp_hang = atoi (arg ? arg : "3600");
       while (_argp_hang-- > 0)
 	__sleep (1);
       break;
@@ -149,8 +164,8 @@ static const struct argp argp_default_argp =
 
 static const struct argp_option argp_version_options[] =
 {
-  {"version",	  'V',	  	NULL, 0,  N_("Print program version"), -1},
-  {NULL, 0}
+  {"version",	  'V',	  	0, 0,  N_("Print program version"), -1},
+  {0, 0}
 };
 
 static error_t
@@ -213,7 +228,7 @@ struct group
      particular short options is from.  */
   char *short_end;
 
-  /* The number of non-option args successfully handled by this parser.  */
+  /* The number of non-option args sucessfully handled by this parser.  */
   unsigned args_processed;
 
   /* This group's parser's parent's group.  */
@@ -341,7 +356,7 @@ convert_options (const struct argp *argp,
 			  ? optional_argument
 			  : required_argument)
 		       : no_argument);
-		    cvt->long_end->flag = NULL;
+		    cvt->long_end->flag = 0;
 		    /* we add a disambiguating code to all the user's
 		       values (which is removed before we actually call
 		       the function to parse the value); this means that
@@ -364,9 +379,9 @@ convert_options (const struct argp *argp,
       group->args_processed = 0;
       group->parent = parent;
       group->parent_index = parent_index;
-      group->input = NULL;
-      group->hook = NULL;
-      group->child_inputs = NULL;
+      group->input = 0;
+      group->hook = 0;
+      group->child_inputs = 0;
 
       if (children)
 	/* Assign GROUP's CHILD_INPUTS field some space from
@@ -382,7 +397,7 @@ convert_options (const struct argp *argp,
       parent = group++;
     }
   else
-    parent = NULL;
+    parent = 0;
 
   if (children)
     {
@@ -417,7 +432,7 @@ parser_convert (struct parser *parser, const struct argp *argp, int flags)
   parser->argp = argp;
 
   if (argp)
-    parser->egroup = convert_options (argp, NULL, 0, parser->groups, &cvt);
+    parser->egroup = convert_options (argp, 0, 0, parser->groups, &cvt);
   else
     parser->egroup = parser->groups; /* No parsers at all! */
 }
@@ -530,7 +545,7 @@ parser_init (struct parser *parser, const struct argp *argp,
 	   makes very simple wrapper argps more convenient).  */
 	group->child_inputs[0] = group->input;
 
-      err = group_parse (group, &parser->state, ARGP_KEY_INIT, NULL);
+      err = group_parse (group, &parser->state, ARGP_KEY_INIT, 0);
     }
   if (err == EBADKEY)
     err = 0;			/* Some parser didn't understand.  */
@@ -582,11 +597,11 @@ parser_finalize (struct parser *parser,
 	       group < parser->egroup && (!err || err==EBADKEY);
 	       group++)
 	    if (group->args_processed == 0)
-	      err = group_parse (group, &parser->state, ARGP_KEY_NO_ARGS, NULL);
+	      err = group_parse (group, &parser->state, ARGP_KEY_NO_ARGS, 0);
 	  for (group = parser->egroup - 1;
 	       group >= parser->groups && (!err || err==EBADKEY);
 	       group--)
-	    err = group_parse (group, &parser->state, ARGP_KEY_END, NULL);
+	    err = group_parse (group, &parser->state, ARGP_KEY_END, 0);
 
 	  if (err == EBADKEY)
 	    err = 0;		/* Some parser didn't understand.  */
@@ -625,7 +640,7 @@ parser_finalize (struct parser *parser,
 
       /* Since we didn't exit, give each parser an error indication.  */
       for (group = parser->groups; group < parser->egroup; group++)
-	group_parse (group, &parser->state, ARGP_KEY_ERROR, NULL);
+	group_parse (group, &parser->state, ARGP_KEY_ERROR, 0);
     }
   else
     /* Notify parsers of success, and propagate back values from parsers.  */
@@ -636,14 +651,14 @@ parser_finalize (struct parser *parser,
       for (group = parser->egroup - 1
 	   ; group >= parser->groups && (!err || err == EBADKEY)
 	   ; group--)
-	err = group_parse (group, &parser->state, ARGP_KEY_SUCCESS, NULL);
+	err = group_parse (group, &parser->state, ARGP_KEY_SUCCESS, 0);
       if (err == EBADKEY)
 	err = 0;		/* Some parser didn't understand.  */
     }
 
   /* Call parsers once more, to do any final cleanup.  Errors are ignored.  */
   for (group = parser->egroup - 1; group >= parser->groups; group--)
-    group_parse (group, &parser->state, ARGP_KEY_FINI, NULL);
+    group_parse (group, &parser->state, ARGP_KEY_FINI, 0);
 
   if (err == EBADKEY)
     err = EINVAL;
@@ -682,7 +697,7 @@ parser_parse_arg (struct parser *parser, char *val)
 	{
 	  parser->state.next--;	/* For ARGP_KEY_ARGS, put back the arg.  */
 	  key = ARGP_KEY_ARGS;
-	  err = group_parse (group, &parser->state, key, NULL);
+	  err = group_parse (group, &parser->state, key, 0);
 	}
     }
 
@@ -735,15 +750,12 @@ parser_parse_opt (struct parser *parser, int opt, char *val)
 	    }
     }
   else
-    /* A long option.  Preserve the sign in the user key, without
-       invoking undefined behavior.  Assume two's complement.  */
-    {
-      int user_key =
-        ((opt & (1 << (USER_BITS - 1))) ? ~USER_MASK : 0) | (opt & USER_MASK);
-      err =
-        group_parse (&parser->groups[group_key - 1], &parser->state,
-                     user_key, parser->opt_data.optarg);
-    }
+    /* A long option.  We use shifts instead of masking for extracting
+       the user value in order to preserve the sign.  */
+    err =
+      group_parse (&parser->groups[group_key - 1], &parser->state,
+		   (opt << GROUP_BITS) >> GROUP_BITS,
+		   parser->opt_data.optarg);
 
   if (err == EBADKEY)
     /* At least currently, an option not recognized is an error in the
@@ -795,11 +807,11 @@ parser_parse_next (struct parser *parser, int *arg_ebadkey)
       parser->opt_data.optopt = KEY_END;
       if (parser->state.flags & ARGP_LONG_ONLY)
 	opt = _getopt_long_only_r (parser->state.argc, parser->state.argv,
-				   parser->short_opts, parser->long_opts, NULL,
+				   parser->short_opts, parser->long_opts, 0,
 				   &parser->opt_data);
       else
 	opt = _getopt_long_r (parser->state.argc, parser->state.argv,
-			      parser->short_opts, parser->long_opts, NULL,
+			      parser->short_opts, parser->long_opts, 0,
 			      &parser->opt_data);
       /* And see what getopt did.  */
       parser->state.next = parser->opt_data.optind;
@@ -872,9 +884,6 @@ __argp_parse (const struct argp *argp, int argc, char **argv, unsigned flags,
   error_t err;
   struct parser parser;
 
-  struct argp_child child[4];
-  struct argp top_argp;
-
   /* If true, then err == EBADKEY is a result of a non-option argument failing
      to be parsed (which in some cases isn't actually an error).  */
   int arg_ebadkey = 0;
@@ -882,23 +891,24 @@ __argp_parse (const struct argp *argp, int argc, char **argv, unsigned flags,
   if (! (flags & ARGP_NO_HELP))
     /* Add our own options.  */
     {
-      int child_index = 0;
+      struct argp_child *child = alloca (4 * sizeof (struct argp_child));
+      struct argp *top_argp = alloca (sizeof (struct argp));
 
       /* TOP_ARGP has no options, it just serves to group the user & default
 	 argps.  */
-      memset (&top_argp, 0, sizeof (struct argp));
-      top_argp.children = child;
+      memset (top_argp, 0, sizeof (*top_argp));
+      top_argp->children = child;
 
       memset (child, 0, 4 * sizeof (struct argp_child));
 
       if (argp)
-	child[child_index++].argp = argp;
-      child[child_index++].argp = &argp_default_argp;
+	(child++)->argp = argp;
+      (child++)->argp = &argp_default_argp;
       if (argp_program_version || argp_program_version_hook)
-	child[child_index++].argp = &argp_version_argp;
-      child[child_index].argp = NULL;
+	(child++)->argp = &argp_version_argp;
+      child->argp = 0;
 
-      argp = &top_argp;
+      argp = top_argp;
     }
 
   /* Construct a parser for these arguments.  */
@@ -933,7 +943,7 @@ __argp_input (const struct argp *argp, const struct argp_state *state)
 	  return group->input;
     }
 
-  return NULL;
+  return 0;
 }
 #ifdef weak_alias
 weak_alias (__argp_input, _argp_input)

argp/argp-pv.c

@@ -1,5 +1,5 @@
 /* Default definition for ARGP_PROGRAM_VERSION.
-   Copyright (C) 1996-2026 Free Software Foundation, Inc.
+   Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Miles Bader <miles@gnu.ai.mit.edu>.
 

argp/argp-pvh.c

@@ -1,5 +1,5 @@
 /* Default definition for ARGP_PROGRAM_VERSION_HOOK.
-   Copyright (C) 1996-2026 Free Software Foundation, Inc.
+   Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Miles Bader <miles@gnu.ai.mit.edu>.
 

argp/argp-test.c

@@ -1,6 +1,7 @@
 /* Test program for argp argument parser
-   Copyright (C) 1997-2026 Free Software Foundation, Inc.
+   Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
+   Written by Miles Bader <miles@gnu.ai.mit.edu>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -25,8 +26,6 @@
 #include <string.h>
 #include <argp.h>
 
-#include <support/support.h>
-
 const char *argp_program_version = "argp-test 1.0";
 
 struct argp_option sub_options[] =
@@ -180,12 +179,12 @@ help_filter (int key, const char *text, void *input)
   if (key == ARGP_KEY_HELP_POST_DOC && text)
     {
       time_t now = time (0);
-      new_text = xasprintf (text, ctime (&now));
+      asprintf (&new_text, text, ctime (&now));
     }
   else if (key == 'f')
     /* Show the default for the --foonly option.  */
-    new_text = xasprintf ("%s (ZOT defaults to %x)",
-		          text, params->foonly_default);
+    asprintf (&new_text, "%s (ZOT defaults to %x)",
+	      text, params->foonly_default);
   else
     new_text = (char *)text;
 

argp/argp-xinl.c

@@ -1,5 +1,5 @@
 /* Real definitions for extern inline functions in argp.h
-   Copyright (C) 1997-2026 Free Software Foundation, Inc.
+   Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Miles Bader <miles@gnu.ai.mit.edu>.
 
@@ -25,35 +25,19 @@
 # include <features.h>
 #endif
 
+#ifndef __USE_EXTERN_INLINES
+# define __USE_EXTERN_INLINES	1
+#endif
+#define ARGP_EI
+#undef __OPTIMIZE__
+#define __OPTIMIZE__ 1
 #include <argp.h>
 
-#ifdef _LIBC
+/* Add weak aliases.  */
+#if _LIBC - 0 && defined (weak_alias)
 
-void
-__argp_usage (const struct argp_state *__state)
-{
-  __argp_state_help (__state, stderr, ARGP_HELP_STD_USAGE);
-}
 weak_alias (__argp_usage, argp_usage)
-
-int
-__option_is_short (const struct argp_option *__opt)
-{
-  if (__opt->flags & OPTION_DOC)
-    return 0;
-  else
-    {
-      int __key = __opt->key;
-      return __key > 0 && __key <= UCHAR_MAX && isprint (__key);
-    }
-}
 weak_alias (__option_is_short, _option_is_short)
-
-int
-__option_is_end (const struct argp_option *__opt)
-{
-  return !__opt->key && !__opt->name && !__opt->doc && !__opt->group;
-}
 weak_alias (__option_is_end, _option_is_end)
 
 #endif

argp/argp.h

@@ -1,5 +1,5 @@
 /* Hierarchical argument parsing, layered over getopt.
-   Copyright (C) 1995-2026 Free Software Foundation, Inc.
+   Copyright (C) 1995-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Miles Bader <miles@gnu.ai.mit.edu>.
 
@@ -518,13 +518,17 @@ extern void *__argp_input (const struct argp *__restrict __argp,
 #  define __option_is_end _option_is_end
 # endif
 
-__extern_inline void
+# ifndef ARGP_EI
+#  define ARGP_EI __extern_inline
+# endif
+
+ARGP_EI void
 __argp_usage (const struct argp_state *__state)
 {
   __argp_state_help (__state, stderr, ARGP_HELP_STD_USAGE);
 }
 
-__extern_inline int
+ARGP_EI int
 __NTH (__option_is_short (const struct argp_option *__opt))
 {
   if (__opt->flags & OPTION_DOC)
@@ -536,7 +540,7 @@ __NTH (__option_is_short (const struct argp_option *__opt))
     }
 }
 
-__extern_inline int
+ARGP_EI int
 __NTH (__option_is_end (const struct argp_option *__opt))
 {
   return !__opt->key && !__opt->name && !__opt->doc && !__opt->group;

argp/bits/argp-ldbl.h

@@ -1,5 +1,5 @@
 /* Redirections for argp functions for -mlong-double-64.
-   Copyright (C) 2019-2026 Free Software Foundation, Inc.
+   Copyright (C) 2019-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or

argp/tst-argp1.c

@@ -1,5 +1,6 @@
-/* Copyright (C) 2002-2026 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -30,7 +31,7 @@
 static const struct argp_option test_options[] =
   {
     { NULL, 0, NULL, 0, "\
-This is a test for threads so we allow the user to select the number of \
+This is a test for threads so we allow ther user to selection the number of \
 threads which are used at any one time.  Independently the total number of \
 rounds can be selected.  This is the total number of threads which will have \
 run when the process terminates:" },

argp/tst-argp2.c

@@ -1,5 +1,6 @@
-/* Copyright (C) 2007-2026 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2007.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public

argp/tst-ldbl-argp.c

@@ -1,5 +1,5 @@
 /* Testing of long double conversions in argp.h functions.
-   Copyright (C) 2018-2026 Free Software Foundation, Inc.
+   Copyright (C) 2018-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or

assert/Makefile

@@ -1,4 +1,4 @@
-# Copyright (C) 1991-2026 Free Software Foundation, Inc.
+# Copyright (C) 1991-2021 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -22,46 +22,18 @@ subdir	:= assert
 
 include ../Makeconfig
 
-headers := \
-  assert.h
-  # headers
+headers	:= assert.h
 
-routines := \
-  __assert \
-  __libc_assert_fail \
-  assert \
-  assert-perr \
-  # routines
-
-tests := \
-  test-assert \
-  test-assert-2 \
-  test-assert-c++-variadic \
-  test-assert-c99 \
-  test-assert-gnu99 \
-  test-assert-perr \
-  test-assert-variadic \
-  tst-assert-c++ \
-  tst-assert-g++ \
-  tst-assert-sa-2025-0001 \
-  # tests
-
-CFLAGS-test-assert-c99.c += -std=c99
-CFLAGS-test-assert-gnu99.c += -std=gnu99
+routines := assert assert-perr __assert
+tests := test-assert test-assert-perr tst-assert-c++ tst-assert-g++
 
 ifeq ($(have-cxx-thread_local),yes)
-CFLAGS-test-assert-c++-variadic.o = $(test-config-cxxflags-stdcxx26)
-LDLIBS-test-assert-c++-variadic = -lstdc++
 CFLAGS-tst-assert-c++.o = -std=c++11
 LDLIBS-tst-assert-c++ = -lstdc++
 CFLAGS-tst-assert-g++.o = -std=gnu++11
 LDLIBS-tst-assert-g++ = -lstdc++
 else
-tests-unsupported += \
-  test-assert-c++-variadic \
-  tst-assert-c++ \
-  tst-assert-g++ \
-  # tests-unsupported
+tests-unsupported += tst-assert-c++ tst-assert-g++
 endif
 
 include ../Rules

assert/__assert.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2026 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or

assert/__libc_assert_fail.c

@@ -1,34 +0,0 @@
-/* libc-internal assert that calls __libc_message.
-   Copyright (C) 2022-2026 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#include <_itoa.h>
-#include <array_length.h>
-#include <intprops.h>
-#include <stdio.h>
-
-void
-__libc_assert_fail (const char *assertion, const char *file, unsigned int line,
-                    const char *function)
-{
-  char linebuf[INT_BUFSIZE_BOUND (unsigned int)];
-  array_end (linebuf)[-1] = '\0';
-  char *linestr = _itoa_word (line, array_end (linebuf) - 1, 10, 0);
-  __libc_assert (
-      "Fatal glibc error: %s:%s (%s): assertion failed: %s\n", file, linestr,
-      function, assertion);
-}

assert/assert-perr.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 1994-2026 Free Software Foundation, Inc.
+/* Copyright (C) 1994-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,15 +15,10 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#include <_itoa.h>
-#include <array_length.h>
 #include <assert.h>
-#include <intprops.h>
 #include <libintl.h>
 #include <string.h>
-#include <stdio.h>
 
-extern const char *__progname;
 
 /* This function, when passed an error number, a filename, and a line
    number, prints a message on the standard error stream of the form:
@@ -36,19 +31,8 @@ __assert_perror_fail (int errnum,
 {
   char errbuf[1024];
 
-  const char *e = __strerror_r (errnum, errbuf, sizeof errbuf);
-
-  char linebuf[INT_BUFSIZE_BOUND (unsigned int)];
-  array_end (linebuf)[-1] = '\0';
-  char *linestr = _itoa_word (line, array_end (linebuf) - 1, 10, 0);
-
-  __libc_message (_("%s%s%s:%s: %s%sUnexpected error: %s.\n"),
-		  __progname,
-		  __progname[0] ? ": " : "",
-		  file,
-		  linestr,
-		  function ? function : "",
-		  function ? ": " : "",
-		  e);
+  char *e = __strerror_r (errnum, errbuf, sizeof errbuf);
+  __assert_fail_base (_("%s%s%s:%u: %s%sUnexpected error: %s.\n%n"),
+		      e, file, line, function);
 }
 libc_hidden_def (__assert_perror_fail)

assert/assert.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2026 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,31 +15,90 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#include <array_length.h>
-#include <intprops.h>
+#include <assert.h>
+#include <atomic.h>
 #include <ldsodefs.h>
-#include <libc-pointer-arith.h>
 #include <libintl.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <sysdep.h>
+#include <unistd.h>
+#include <sys/mman.h>
 
 
 extern const char *__progname;
 
+#include <wchar.h>
+#include <libio/iolibio.h>
+#define fflush(s) _IO_fflush (s)
+
+/* This function, when passed a string containing an asserted
+   expression, a filename, and a line number, prints a message
+   on the standard error stream of the form:
+	a.c:10: foobar: Assertion `a == b' failed.
+   It then aborts program execution via a call to `abort'.  */
+
+#ifdef FATAL_PREPARE_INCLUDE
+# include FATAL_PREPARE_INCLUDE
+#endif
+
+
+void
+__assert_fail_base (const char *fmt, const char *assertion, const char *file,
+		    unsigned int line, const char *function)
+{
+  char *str;
+
+#ifdef FATAL_PREPARE
+  FATAL_PREPARE;
+#endif
+
+  int total;
+  if (__asprintf (&str, fmt,
+		  __progname, __progname[0] ? ": " : "",
+		  file, line,
+		  function ? function : "", function ? ": " : "",
+		  assertion, &total) >= 0)
+    {
+      /* Print the message.  */
+      (void) __fxprintf (NULL, "%s", str);
+      (void) fflush (stderr);
+
+      total = (total + 1 + GLRO(dl_pagesize) - 1) & ~(GLRO(dl_pagesize) - 1);
+      struct abort_msg_s *buf = __mmap (NULL, total, PROT_READ | PROT_WRITE,
+					MAP_ANON | MAP_PRIVATE, -1, 0);
+      if (__glibc_likely (buf != MAP_FAILED))
+	{
+	  buf->size = total;
+	  strcpy (buf->msg, str);
+
+	  /* We have to free the old buffer since the application might
+	     catch the SIGABRT signal.  */
+	  struct abort_msg_s *old = atomic_exchange_acq (&__abort_msg, buf);
+
+	  if (old != NULL)
+	    __munmap (old, old->size);
+	}
+
+      free (str);
+    }
+  else
+    {
+      /* At least print a minimal message.  */
+      static const char errstr[] = "Unexpected error.\n";
+      __libc_write (STDERR_FILENO, errstr, sizeof (errstr) - 1);
+    }
+
+  abort ();
+}
+
+
 #undef __assert_fail
 void
 __assert_fail (const char *assertion, const char *file, unsigned int line,
 	       const char *function)
 {
-  char linebuf[INT_BUFSIZE_BOUND (unsigned int)];
-  array_end (linebuf)[-1] = '\0';
-  char *linestr = _itoa_word (line, array_end (linebuf) - 1, 10, 0);
-
-  __libc_assert (_("%s%s%s:%s: %s%sAssertion `%s' failed.\n"),
-		 __progname,
-		 __progname[0] ? ": " : "",
-		 file,
-		 linestr,
-		 function ? function : "",
-		 function ? ": " : "",
-		 assertion);
+  __assert_fail_base (_("%s%s%s:%u: %s%sAssertion `%s' failed.\n%n"),
+		      assertion, file, line, function);
 }
+hidden_def(__assert_fail)

assert/assert.h

@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2026 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -34,35 +34,12 @@
 #define	_ASSERT_H	1
 #include <features.h>
 
-#if __GLIBC_USE (ISOC23)
-# ifndef __STDC_VERSION_ASSERT_H__
-#  define __STDC_VERSION_ASSERT_H__ 202311L
-# endif
-#endif
-
 #if defined __cplusplus && __GNUC_PREREQ (2,95)
 # define __ASSERT_VOID_CAST static_cast<void>
 #else
 # define __ASSERT_VOID_CAST (void)
 #endif
 
-/* C23 makes assert a variadic macro so that expressions with a comma
-   not between parentheses, but that would still be valid as a single
-   function argument, such as those involving compound literals with a
-   comma in the initializer list, can be passed to assert.  This
-   depends on support for variadic macros (added in C99 and GCC 2.95),
-   and on support for _Bool (added in C99 and GCC 3.0) in order to
-   validate that only a single expression is passed as an argument.  */
-#if ((__GLIBC_USE (ISOC23)						\
-      && (defined __GNUC__						\
-	  ? __GNUC_PREREQ (3, 0)					\
-	  : defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L))	\
-     || (defined __cplusplus && __cplusplus > 202302L))
-# define __ASSERT_VARIADIC 1
-#else
-# define __ASSERT_VARIADIC 0
-#endif
-
 /* void assert (int expression);
 
    If NDEBUG is defined, do nothing.
@@ -70,11 +47,7 @@
 
 #ifdef	NDEBUG
 
-# if __ASSERT_VARIADIC
-#  define assert(...)		(__ASSERT_VOID_CAST (0))
-# else
-#  define assert(expr)		(__ASSERT_VOID_CAST (0))
-# endif
+# define assert(expr)		(__ASSERT_VOID_CAST (0))
 
 /* void assert_perror (int errnum);
 
@@ -93,94 +66,48 @@ __BEGIN_DECLS
 /* This prints an "Assertion failed" message and aborts.  */
 extern void __assert_fail (const char *__assertion, const char *__file,
 			   unsigned int __line, const char *__function)
-     __THROW __attribute__ ((__noreturn__)) __COLD;
+     __THROW __attribute__ ((__noreturn__));
 
 /* Likewise, but prints the error text for ERRNUM.  */
 extern void __assert_perror_fail (int __errnum, const char *__file,
 				  unsigned int __line, const char *__function)
-     __THROW __attribute__ ((__noreturn__)) __COLD;
+     __THROW __attribute__ ((__noreturn__));
 
 
 /* The following is not at all used here but needed for standard
    compliance.  */
 extern void __assert (const char *__assertion, const char *__file, int __line)
-     __THROW __attribute__ ((__noreturn__)) __COLD;
+     __THROW __attribute__ ((__noreturn__));
 
 
-# if __ASSERT_VARIADIC && !defined __cplusplus
-/* This function is not defined and is not called outside of an
-   unevaluated sizeof, but serves to verify that the argument to
-   assert is a single expression.  */
-extern _Bool __assert_single_arg (_Bool);
-# endif
-
 __END_DECLS
 
 /* When possible, define assert so that it does not add extra
    parentheses around EXPR.  Otherwise, those added parentheses would
    suppress warnings we'd expect to be detected by gcc's -Wparentheses.  */
 # if defined __cplusplus
-#  if defined __has_builtin
-#   if __has_builtin (__builtin_FILE)
-#    define __ASSERT_FILE __builtin_FILE ()
-#    define __ASSERT_LINE __builtin_LINE ()
-#   endif
-#  endif
-#  if !defined __ASSERT_FILE
-#   define __ASSERT_FILE __FILE__
-#   define __ASSERT_LINE __LINE__
-#  endif
-#  if __ASSERT_VARIADIC
-/* The first test of __VA_ARGS__ evaluates it without converting scoped
-   enumeration values to bool, and the second test checks that it is a
-   single expression without evaluating it.  */
-#    define assert(...)							\
-     ((__VA_ARGS__)							\
-      ? void (1 ? 1 : bool (__VA_ARGS__))				\
-      : __assert_fail (#__VA_ARGS__, __ASSERT_FILE, __ASSERT_LINE,	\
-                       __ASSERT_FUNCTION))
-#  else
-#    define assert(expr)						\
+#  define assert(expr)							\
      (static_cast <bool> (expr)						\
       ? void (0)							\
-      : __assert_fail (#expr, __ASSERT_FILE, __ASSERT_LINE,             \
-                       __ASSERT_FUNCTION))
-#  endif
+      : __assert_fail (#expr, __FILE__, __LINE__, __ASSERT_FUNCTION))
 # elif !defined __GNUC__ || defined __STRICT_ANSI__
-#  if __ASSERT_VARIADIC
-#   define assert(...)							\
-    (((void) sizeof (__assert_single_arg (__VA_ARGS__)), __VA_ARGS__)	\
-     ? __ASSERT_VOID_CAST (0)						\
-     : __assert_fail (#__VA_ARGS__, __FILE__, __LINE__, __ASSERT_FUNCTION))
-#  else
-#   define assert(expr)							\
+#  define assert(expr)							\
     ((expr)								\
      ? __ASSERT_VOID_CAST (0)						\
      : __assert_fail (#expr, __FILE__, __LINE__, __ASSERT_FUNCTION))
-#  endif
 # else
-#  if __ASSERT_VARIADIC
-#   define assert(...)							\
-    ((void) sizeof (__assert_single_arg (__VA_ARGS__)), __extension__ ({ \
-      if (__VA_ARGS__)							\
-        ; /* empty */							\
-      else								\
-        __assert_fail (#__VA_ARGS__, __FILE__, __LINE__, __ASSERT_FUNCTION); \
-    }))
-#  else
 /* The first occurrence of EXPR is not evaluated due to the sizeof,
    but will trigger any pedantic warnings masked by the __extension__
    for the second occurrence.  The ternary operator is required to
    support function pointers and bit fields in this context, and to
    suppress the evaluation of variable length arrays.  */
-#   define assert(expr)							\
+#  define assert(expr)							\
   ((void) sizeof ((expr) ? 1 : 0), __extension__ ({			\
       if (expr)								\
         ; /* empty */							\
       else								\
         __assert_fail (#expr, __FILE__, __LINE__, __ASSERT_FUNCTION);	\
     }))
-#  endif
 # endif
 
 # ifdef	__USE_GNU
@@ -208,11 +135,7 @@ __END_DECLS
 #endif /* NDEBUG.  */
 
 
-#if (defined __USE_ISOC11			\
-     && (!defined __STDC_VERSION__		\
-	 || __STDC_VERSION__ <= 201710L		\
-	 || !__GNUC_PREREQ (13, 0))		\
-     && !defined __cplusplus)
+#if defined __USE_ISOC11 && !defined __cplusplus
 # undef static_assert
 # define static_assert _Static_assert
 #endif

assert/test-assert-2.c

@@ -1,157 +0,0 @@
-/* Test assert's compliance with POSIX requirements.
-   Copyright (C) 2024-2026 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-/* This test verifies that a failed assertion acts in accordance with
-   the POSIX requirements, despite any internal failures.  We do so by
-   calling test routines via fork() and monitoring their exit codes
-   and stderr, while possibly forcing internal functions (malloc) to
-   fail.  */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <dlfcn.h>
-#include <string.h>
-#include <signal.h>
-#include <unistd.h>
-
-#undef NDEBUG
-#include <assert.h>
-
-#include <support/check.h>
-#include <support/support.h>
-#include <support/capture_subprocess.h>
-#include <support/xstdio.h>
-
-/* We need to be able to make malloc() "fail" so that __asprintf
-   fails.  */
-
-void * (*next_malloc)(size_t sz) = 0;
-static volatile bool fail_malloc = 0;
-
-void *
-malloc (size_t sz)
-{
-  if (fail_malloc)
-    return NULL;
-  if (next_malloc == 0)
-    next_malloc = dlsym (RTLD_NEXT, "malloc");
-  if (next_malloc == 0)
-    return NULL;
-  return next_malloc (sz);
-}
-
-/* We can tell if abort() is called by looking for the custom return
-   value.  */
-
-void
-abort_handler(int s)
-{
-  _exit(5);
-}
-
-static int do_lineno;
-static const char *do_funcname;
-
-/* Hack to get the line of the assert.  */
-#define GET_INFO_1(l)	      \
-  if (closure != NULL)	      \
-    {			      \
-      do_lineno = l;	      \
-      do_funcname = __func__; \
-      return; \
-    }
-#define GET_INFO() GET_INFO_1(__LINE__+1)
-
-/* These are the two test cases.  */
-
-static void
-test_assert_normal (void *closure)
-{
-  if (closure == NULL)
-    signal (SIGABRT, abort_handler);
-
-  GET_INFO ();
-  assert (1 == 2);
-}
-
-
-static void
-test_assert_nomalloc (void *closure)
-{
-  if (closure == NULL)
-    {
-      signal (SIGABRT, abort_handler);
-      fail_malloc = 1;
-    }
-
-  GET_INFO ();
-  assert (1 == 2);
-}
-
-static void
-check_posix (const char *buf, int rv, int line,
-	     const char *funcname, const char *testarg)
-{
-  /* POSIX requires that a failed assertion write a diagnostic to
-     stderr and call abort.  The diagnostic must include the filename,
-     line number, and function where the assertion failed, along with
-     the text of the assert() argument.
-  */
-  char linestr[100];
-
-  sprintf (linestr, "%d", line);
-
-  /* If abort is called, our handler will return 5.  */
-  TEST_VERIFY (rv == 5);
-
-  TEST_VERIFY (strstr (buf, __FILE__) != NULL);
-  TEST_VERIFY (strstr (buf, linestr) != NULL);
-  TEST_VERIFY (strstr (buf, funcname) != NULL);
-  TEST_VERIFY (strstr (buf, testarg) != NULL);
-
-}
-
-static void
-one_test (void (*func)(void *))
-{
-  struct support_capture_subprocess sp;
-  int rv;
-
-  func (&do_lineno);
-  printf("running test for %s, line %d\n", do_funcname, do_lineno);
-
-  sp = support_capture_subprocess (func, NULL);
-  rv = WEXITSTATUS (sp.status);
-
-  check_posix (sp.err.buffer, rv, do_lineno, do_funcname, "1 == 2");
-
-  TEST_VERIFY (strstr (sp.err.buffer, "failed.\n") != NULL);
-
-  support_capture_subprocess_free (&sp);
-}
-
-static int
-do_test(void)
-{
-  one_test (test_assert_normal);
-  one_test (test_assert_nomalloc);
-
-  return 0;
-}
-
-#include <support/test-driver.c>

assert/test-assert-c++-variadic.cc

@@ -1,120 +0,0 @@
-/* Test assert as a variadic macro for C++ code snippets.
-   Copyright The GNU Toolchain Authors.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-/* This test requires C++26, and is compiled with -std=c++26
-   if GCC version supports that, and no additional options
-   otherwise. */
-#if defined __cplusplus && __cplusplus > 202302L
-
-#undef NDEBUG
-#include <assert.h>
-
-template <typename T1, typename T2>
-bool
-foo ()
-{ return true; }
-
-struct C
-{
-  C (int p, int r) : x (p + r) {}
-
-  int x;
-};
-
-int
-func ()
-{
-  return 1;
-}
-
-static void
-test_enabled ()
-{
-  {
-    assert (foo <int, float> ());
-  }
-
-  {
-    assert (C {1, 2}.x > 0);
-  }
-
-  {
-    int x = 10, y = 20;
-    assert ([x, y] { return x < y; } ());
-  }
-
-  {
-    /* Ill-formed, not an assigment expression. */
-    // assert (func (), func ());
-    assert ((func (), func ()));
-  }
-}
-
-/* GCC PR118629 fixed the handling of assert inside requires clause.  */
-#if __GNUC_PREREQ (14, 3) || defined __clang__
-
-template <typename Ts>
-constexpr bool
-assert_works ()
-{
-  return requires (Ts ts) {
-    assert (ts);
-  };
-}
-
-enum OE { oe };
-enum TE : int { te };
-enum class SE : int { se };
-
-static_assert ( assert_works <OE> ());
-static_assert ( assert_works <TE> ());
-static_assert (!assert_works <SE> ());
-
-#endif /* __GNUC_PREREQ (14, 3) || defined __clang__ */
-
-#define NDEBUG
-#include <assert.h>
-
-static void
-test_disabled ()
-{
-  /* Assert is variadic, but ignores arguments */
-  assert(1, 2);
-  assert(+, 1, -, 2, *, 30);
-}
-
-static int
-do_test ()
-{
-  test_enabled ();
-  test_disabled ();
-  return 0;
-}
-
-#else
-#include <support/test-driver.h>
-
-static int
-do_test ()
-{
-  return EXIT_UNSUPPORTED;
-}
-
-#endif
-
-#include <support/test-driver.c>

assert/test-assert-c99.c

@@ -1,3 +0,0 @@
-#undef _GNU_SOURCE
-
-#include <test-assert.c>

assert/test-assert-gnu99.c

@@ -1,3 +0,0 @@
-#undef _GNU_SOURCE
-
-#include <test-assert.c>

assert/test-assert-perr.c

@@ -11,8 +11,6 @@
 #include <string.h>
 #include <setjmp.h>
 
-#include <support/xstdio.h>
-
 jmp_buf rec;
 char buf[160];
 
@@ -72,15 +70,15 @@ main(void)
     failed = 1; /* should not happen */
 
   rewind (stderr);
-  xfgets (buf, 160, stderr);
+  fgets (buf, 160, stderr);
   if (!strstr(buf, strerror (1)))
     failed = 1;
 
-  xfgets (buf, 160, stderr);
+  fgets (buf, 160, stderr);
   if (strstr (buf, strerror (0)))
     failed = 1;
 
-  xfgets (buf, 160, stderr);
+  fgets (buf, 160, stderr);
   if (strstr (buf, strerror (2)))
     failed = 1;
 

assert/test-assert-variadic.c

@@ -1,50 +0,0 @@
-/* Test assert as a variadic macro.
-   Copyright (C) 2025-2026 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#undef NDEBUG
-#include <assert.h>
-
-static void
-test1 (void)
-{
-  /* This is two macro arguments, but one function argument, so must
-     be accepted for C23.  */
-  assert ((int [2]) { 0, 1 }[1]);
-}
-
-#define NDEBUG
-#include <assert.h>
-
-static void
-test2 (void)
-{
-  /* With NDEBUG, arbitrary sequences of tokens are valid as assert
-     arguments; they do not need to form a single expression.  */
-  assert (1, 2, 3, *);
-  assert ();
-}
-
-static int
-do_test (void)
-{
-  test1 ();
-  test2 ();
-  return 0;
-}
-
-#include <support/test-driver.c>

assert/test-assert.c

@@ -11,8 +11,6 @@
 #include <string.h>
 #include <setjmp.h>
 
-#include <support/xstdio.h>
-
 jmp_buf rec;
 char buf[160];
 
@@ -74,15 +72,15 @@ main (void)
     failed = 1; /* should not happen */
 
   rewind (stderr);
-  xfgets (buf, 160, stderr);
+  fgets (buf, 160, stderr);
   if (!strstr (buf, "1 == 2"))
     failed = 1;
 
-  xfgets (buf, 160, stderr);
+  fgets (buf, 160, stderr);
   if (strstr (buf, "1 == 1"))
     failed = 1;
 
-  xfgets (buf, 160, stderr);
+  fgets (buf, 160, stderr);
   if (strstr (buf, "2 == 3"))
     failed = 1;
 

assert/tst-assert-c++.cc

@@ -1,5 +1,5 @@
 /* Tests for interactions between C++ and assert.
-   Copyright (C) 2017-2026 Free Software Foundation, Inc.
+   Copyright (C) 2017-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -21,12 +21,6 @@
 #undef NDEBUG
 #include <assert.h>
 
-#if __GNUC_PREREQ (5, 0)
-template <typename> struct is_void { static const bool value = false; };
-template <> struct is_void <void> { static const bool value = true; };
-
-static_assert(is_void <decltype (assert (""))>::value, "type is void");
-
 /* The C++ standard requires that if the assert argument is a constant
    subexpression, then the assert itself is one, too.  */
 constexpr int
@@ -68,15 +62,6 @@ struct bool_and_int
   template <class T> bool operator!= (T) const; /* No definition.  */
 };
 
-/* Scoped enumerations are not contextually convertible to bool. */
-enum class E { e1 = 1 };
-
-int&
-preincrement (int& i)
-{
-  return ++i;
-}
-
 static int
 do_test ()
 {
@@ -90,38 +75,7 @@ do_test ()
     assert (value);
   }
 
-  {
-    assert ([] { return true; } ());
-  }
-
-  {
-    assert (bool (E::e1));
-    /* Ill-formed, E::e1 is not contextually convertible to bool. */
-    // assert (E::e1);
-  }
-
-  {
-    int i = 0;
-    assert (preincrement (i) > 0);
-    if (i != 1)
-      return 1;
-  }
-
   return 0;
 }
-#define NDEBUG
-#include <assert.h>
-
-static_assert(is_void <decltype (assert (""))>::value, "type is void with NDEBUG");
-
-#else
-#include <support/test-driver.h>
-
-static int
-do_test ()
-{
-  return EXIT_UNSUPPORTED;
-}
-#endif
 
 #include <support/test-driver.c>

assert/tst-assert-g++.cc

@@ -1,5 +1,5 @@
 /* Tests for interactions between C++ and assert.  GNU C++11 version.
-   Copyright (C) 2017-2026 Free Software Foundation, Inc.
+   Copyright (C) 2017-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or

assert/tst-assert-sa-2025-0001.c

@@ -1,92 +0,0 @@
-/* Test for CVE-2025-0395.
-   Copyright The GNU Toolchain Authors.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-/* Test that a large enough __progname does not result in a buffer overflow
-   when printing an assertion failure.  This was CVE-2025-0395.  */
-#include <assert.h>
-#include <inttypes.h>
-#include <signal.h>
-#include <stdbool.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <support/check.h>
-#include <support/support.h>
-#include <support/xstdio.h>
-#include <support/xunistd.h>
-
-extern const char *__progname;
-
-int
-do_test (int argc, char **argv)
-{
-
-  support_need_proc ("Reads /proc/self/maps to add guards to writable maps.");
-  ignore_stderr ();
-
-  /* XXX assumes that the assert is on a 2 digit line number.  */
-  const char *prompt = ": %s:99: do_test: Assertion `argc < 1' failed.\n";
-
-  int ret = fprintf (stderr, prompt, __FILE__);
-  if (ret < 0)
-    FAIL_EXIT1 ("fprintf failed: %m\n");
-
-  size_t pagesize = getpagesize ();
-  size_t namesize = pagesize - 1 - ret;
-
-  /* Alter the progname so that the assert message fills the entire page.  */
-  char progname[namesize];
-  memset (progname, 'A', namesize - 1);
-  progname[namesize - 1] = '\0';
-  __progname = progname;
-
-  FILE *f = xfopen ("/proc/self/maps", "r");
-  char *line = NULL;
-  size_t len = 0;
-  uintptr_t prev_to = 0;
-
-  /* Pad the beginning of every writable mapping with a PROT_NONE map.  This
-     ensures that the mmap in the assert_fail path never ends up below a
-     writable map and will terminate immediately in case of a buffer
-     overflow.  */
-  while (xgetline (&line, &len, f))
-    {
-      uintptr_t from, to;
-      char perm[4];
-
-      sscanf (line, "%" SCNxPTR "-%" SCNxPTR " %c%c%c%c ",
-	      &from, &to,
-	      &perm[0], &perm[1], &perm[2], &perm[3]);
-
-      bool writable = (memchr (perm, 'w', 4) != NULL);
-
-      if (prev_to != 0 && from - prev_to > pagesize && writable)
-	xmmap ((void *) from - pagesize, pagesize, PROT_NONE,
-	       MAP_ANONYMOUS | MAP_PRIVATE, 0);
-
-      prev_to = to;
-    }
-
-  xfclose (f);
-
-  assert (argc < 1);
-  return 0;
-}
-
-#define EXPECTED_SIGNAL SIGABRT
-#define TEST_FUNCTION_ARGV do_test
-#include <support/test-driver.c>

benchtests/Makefile

@@ -1,5 +1,4 @@
-# Copyright (C) 2013-2026 Free Software Foundation, Inc.
-# Copyright The GNU Toolchain Authors.
+# Copyright (C) 2013-2021 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -22,258 +21,45 @@
 subdir := benchtests
 
 include ../Makeconfig
-
-bench-math := \
-  acos \
-  acosf \
-  acosh \
-  acoshf \
-  acospi \
-  acospif \
-  asin \
-  asinf \
-  asinh \
-  asinhf \
-  asinpi \
-  asinpif \
-  atan \
-  atan2 \
-  atan2f \
-  atan2pi \
-  atan2pif \
-  atanf \
-  atanh \
-  atanhf \
-  atanpi \
-  atanpif \
-  cbrt \
-  cbrtf \
-  ceil \
-  ceilf \
-  cos \
-  cosf \
-  cosh \
-  coshf \
-  cospi \
-  cospif \
-  erf \
-  erfc \
-  erfcf \
-  erff \
-  exp \
-  exp10 \
-  exp10f \
-  exp10m1 \
-  exp10m1f \
-  exp2 \
-  exp2f \
-  exp2m1 \
-  exp2m1f \
-  expf \
-  expl \
-  expm1 \
-  expm1f \
-  floor \
-  floorf \
-  fma \
-  fmaf \
-  fmal \
-  fmax \
-  fmaxf \
-  fmin \
-  fminf \
-  fmod \
-  fmodf \
-  frexp \
-  frexpf \
-  frexpl \
-  hypot \
-  hypotf \
-  ilogb \
-  ilogbf \
-  isfinite \
-  isinf \
-  isnan \
-  j0 \
-  j1 \
-  lgamma \
-  lgammaf \
-  lgammaf_r \
-  llrint \
-  llrintf \
-  log \
-  log10 \
-  log10f \
-  log10p1 \
-  log10p1f \
-  log1p \
-  log1pf \
-  log2 \
-  log2f \
-  log2l \
-  log2p1 \
-  log2p1f \
-  logb \
-  logbf \
-  logf \
-  lrint \
-  lrintf \
-  modf \
-  modff \
-  nearbyint \
-  nearbyintf \
-  pow \
-  powf \
-  powl \
-  remainder \
-  remainderf \
-  rint \
-  rintf \
-  roundeven \
-  roundevenf \
-  rsqrt \
-  rsqrtf \
-  sin \
-  sincos \
-  sincosf \
-  sinf \
-  sinh \
-  sinhf \
-  sinpi \
-  sinpif \
-  sqrt \
-  tan \
-  tanf \
-  tanh \
-  tanhf \
-  tanpi \
-  tanpif \
-  tgamma \
-  tgammaf \
-  trunc \
-  truncf \
-  y0 \
-  y1 \
-  # bench-math
+bench-math := acos acosh asin asinh atan atanh cos cosh exp exp2 log log2   \
+	      modf pow rint sin sincos sinh sqrt tan tanh fmin fmax fminf   \
+	      fmaxf powf trunc truncf roundeven roundevenf expf exp2f logf  \
+	      log2f sincosf sinf cosf isnan isinf isfinite hypot logb logbf \
+	      exp10f ilogb ilogbf cbrt erf erfc exp10 expm1 j0 j1 lgamma    \
+	      log10 log1p tgamma y0 y1 atan2
 
 ifneq (,$(filter yes,$(float96-fcts)))
-bench-math += \
-  cbrtl \
-  # bench-math
+bench-math += cbrtl
 endif
 
 ifneq (,$(filter yes,$(float128-fcts) $(float128-alias-fcts)))
-bench-math += \
-  expf128 \
-  ilogbf128 \
-  powf128 \
-  sinf128 \
-  # bench-math
+bench-math += expf128 powf128 sinf128 ilogbf128
 endif
 
-bench-pthread := \
-  pthread-locks \
-  pthread-mutex-lock \
-  pthread-mutex-trylock \
-  pthread-mutex-trylock-recursive-throughput \
-  pthread-mutex-trylock-throughput \
-  pthread-spin-lock \
-  pthread-spin-trylock \
-  pthread_once \
-  thread_create \
-  # bench-pthread
+bench-pthread := pthread_once thread_create pthread-locks
 
-bench-resolv := \
-  inet_ntop_ipv4 \
-  inet_ntop_ipv6 \
-  # bench-resolv
+bench-string := ffs ffsll
 
-LDLIBS-bench-pthread-mutex-lock += -lm
-LDLIBS-bench-pthread-mutex-trylock += -lm
-LDLIBS-bench-pthread-mutex-trylock-recursive-throughput += -lm
-LDLIBS-bench-pthread-mutex-trylock-throughput += -lm
-LDLIBS-bench-pthread-spin-lock += -lm
-LDLIBS-bench-pthread-spin-trylock += -lm
-
-bench-string := \
-  ffs \
-  ffsll \
-  # bench-string
+ifeq (${BENCHSET},)
+bench := $(bench-math) $(bench-pthread) $(bench-string)
+else
+bench := $(foreach B,$(filter bench-%,${BENCHSET}), ${${B}})
+endif
 
 # String function benchmarks.
-string-benchset := \
-  bzero \
-  bzero-large \
-  memccpy \
-  memchr \
-  memcmp \
-  memcmpeq \
-  memcpy \
-  memcpy-large \
-  memcpy-random \
-  memmem \
-  memmove \
-  memmove-large \
-  mempcpy \
-  memrchr \
-  memset \
-  memset-large \
-  memset-random \
-  memset-zero \
-  memset-zero-large \
-  rawmemchr \
-  stpcpy \
-  stpcpy_chk \
-  stpncpy \
-  strcasecmp \
-  strcasestr \
-  strcat \
-  strchr \
-  strchrnul \
-  strcmp \
-  strcoll \
-  strcpy \
-  strcpy_chk \
-  strcspn \
-  strlen \
-  strlen-random \
-  strncasecmp \
-  strncat \
-  strncmp \
-  strncpy \
-  strnlen \
-  strpbrk \
-  strrchr \
-  strsep \
-  strspn \
-  strstr \
-  strtok \
-  # string-benchset
+string-benchset := memccpy memchr memcmp memcpy memmem memmove \
+		   mempcpy memset rawmemchr stpcpy stpncpy strcasecmp strcasestr \
+		   strcat strchr strchrnul strcmp strcpy strcspn strlen \
+		   strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \
+		   strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok \
+		   strcoll memcpy-large memcpy-random memmove-large memset-large \
+		   memcpy-walk memset-walk memmove-walk
 
 # Build and run locale-dependent benchmarks only if we're building natively.
 ifeq (no,$(cross-compiling))
-wcsmbs-benchset := \
-  wcpcpy \
-  wcpncpy \
-  wcrtomb \
-  wcscat \
-  wcschr \
-  wcschrnul \
-  wcscmp \
-  wcscpy \
-  wcscspn \
-  wcslen \
-  wcsncat \
-  wcsncmp \
-  wcsncpy \
-  wcsnlen \
-  wcspbrk \
-  wcsrchr \
-  wcsspn \
-  wmemchr \
-  wmemcmp \
-  wmemset \
-  # wcsmbs-benchset
+wcsmbs-benchset := wcslen wcsnlen wcscpy wcpcpy wcsncpy wcpncpy wcscat wcsncat \
+		   wcscmp wcsncmp wcschr wcschrnul wcsrchr wcsspn wcspbrk wcscspn \
+		   wmemchr wmemset wmemcmp
 else
 wcsmbs-benchset :=
 endif
@@ -282,65 +68,23 @@ string-benchset-all := $(string-benchset) ${wcsmbs-benchset}
 
 ifeq (no,$(cross-compiling))
 # We have to generate locales
-LOCALES := \
-  ar_SA.UTF-8 \
-  cs_CZ.UTF-8 \
-  da_DK.UTF-8 \
-  el_GR.UTF-8 \
-  en_GB.UTF-8 \
-  en_US.UTF-8 \
-  es_ES.UTF-8 \
-  fa_IR.UTF-8 \
-  fr_FR.UTF-8 \
-  he_IL.UTF-8 \
-  hi_IN.UTF-8 \
-  hu_HU.UTF-8 \
-  is_IS.UTF-8 \
-  it_IT.UTF-8 \
-  ja_JP.UTF-8 \
-  pl_PL.UTF-8 \
-  pt_PT.UTF-8 \
-  ru_RU.UTF-8 \
-  si_LK.UTF-8 \
-  sr_RS.UTF-8 \
-  sv_SE.UTF-8 \
-  tr_TR.UTF-8 \
-  vi_VN.UTF-8 \
-  zh_CN.UTF-8 \
-  # LOCALES
+LOCALES := en_US.UTF-8 tr_TR.UTF-8 cs_CZ.UTF-8 fa_IR.UTF-8 fr_FR.UTF-8 \
+	   ja_JP.UTF-8 si_LK.UTF-8 en_GB.UTF-8 vi_VN.UTF-8 ar_SA.UTF-8 \
+	   da_DK.UTF-8 pl_PL.UTF-8 pt_PT.UTF-8 el_GR.UTF-8 ru_RU.UTF-8 \
+	   he_IL.UTF-8 is_IS.UTF-8 es_ES.UTF-8 hi_IN.UTF-8 sv_SE.UTF-8 \
+	   hu_HU.UTF-8 it_IT.UTF-8 sr_RS.UTF-8 zh_CN.UTF-8
 include ../gen-locales.mk
 endif
 
-hash-benchset := \
-  dl-elf-hash \
-  dl-new-hash \
-  nss-hash \
-  # hash-benchset
-
-stdlib-benchset := \
-  arc4random \
-  bsearch \
-  random-lock \
-  strtod \
-  # stdlib-benchset
-
-stdio-benchset := \
-  fclose \
-  # stdio-benchset
+stdlib-benchset := strtod
 
 stdio-common-benchset := sprintf
 
 math-benchset := math-inlines
 
 ifeq (${BENCHSET},)
-benchset := \
-  $(hash-benchset) \
-  $(math-benchset) \
-  $(stdio-benchset) \
-  $(stdio-common-benchset) \
-  $(stdlib-benchset) \
-  $(string-benchset-all) \
-  # benchset
+benchset := $(string-benchset-all) $(stdlib-benchset) $(stdio-common-benchset) \
+	    $(math-benchset)
 else
 benchset := $(foreach B,$(filter %-benchset,${BENCHSET}), ${${B}})
 endif
@@ -350,59 +94,27 @@ CFLAGS-bench-ffsll.c += -fno-builtin
 CFLAGS-bench-sqrt.c += -fno-builtin
 CFLAGS-bench-fmin.c += -fno-builtin
 CFLAGS-bench-fminf.c += -fno-builtin
-CFLAGS-bench-fma.c += -fno-builtin
-CFLAGS-bench-fmaf.c += -fno-builtin
 CFLAGS-bench-fmax.c += -fno-builtin
 CFLAGS-bench-fmaxf.c += -fno-builtin
 CFLAGS-bench-trunc.c += -fno-builtin
 CFLAGS-bench-truncf.c += -fno-builtin
-CFLAGS-bench-fmod.c += -fno-builtin
-CFLAGS-bench-fmodf.c += -fno-builtin
-CFLAGS-bench-frexp.c += -fno-builtin
-CFLAGS-bench-frexpf.c += -fno-builtin
-CFLAGS-bench-frexpl.c += -fno-builtin
-CFLAGS-bench-remainder.c += -fno-builtin
-CFLAGS-bench-remainderf.c += -fno-builtin
 CFLAGS-bench-roundeven.c += -fno-builtin
 CFLAGS-bench-roundevenf.c += -fno-builtin
-CFLAGS-bench-isnan.c += $(config-cflags-signaling-nans)
-CFLAGS-bench-isinf.c += $(config-cflags-signaling-nans)
-CFLAGS-bench-isfinite.c += $(config-cflags-signaling-nans)
+CFLAGS-bench-isnan.c += -fsignaling-nans
+CFLAGS-bench-isinf.c += -fsignaling-nans
+CFLAGS-bench-isfinite.c += -fsignaling-nans
 
 ifeq (${BENCHSET},)
-bench-malloc := \
-  calloc-simple \
-  calloc-tcache \
-  calloc-thread \
-  malloc-simple \
-  malloc-tcache \
-  malloc-thread \
-  # bench-malloc
+bench-malloc := malloc-thread malloc-simple
 else
 bench-malloc := $(filter malloc-%,${BENCHSET})
-bench-malloc += $(filter calloc-%,${BENCHSET})
 endif
 
-ifeq (${STATIC-BENCHTESTS},yes)
-+link-benchtests = $(+link-static-tests)
-link-libc-benchtests = $(link-libc-static)
-libm-benchtests = $(common-objpfx)math/libm.a
-thread-library-benchtests = $(static-thread-library)
-else
-link-libc-benchtests = $(link-libc)
-+link-benchtests = $(+link-tests)
-thread-library-benchtests = $(shared-thread-library)
-libm-benchtests = $(libm)
-endif
-
-$(addprefix $(objpfx)bench-,$(bench-math)): $(libm-benchtests)
-$(addprefix $(objpfx)bench-,$(math-benchset)): $(libm-benchtests)
-$(addprefix $(objpfx)bench-,$(bench-pthread)): $(thread-library-benchtests)
-$(addprefix $(objpfx)bench-,$(bench-malloc)): $(thread-library-benchtests)
-$(addprefix $(objpfx)bench-,pthread-locks): $(libm-benchtests)
-$(addprefix $(objpfx)bench-,pthread-mutex-locks): $(libm-benchtests)
-$(addprefix $(objpfx)bench-,malloc-thread): $(libm-benchtests)
-$(addprefix $(objpfx)bench-,calloc-thread): $(libm-benchtests)
+$(addprefix $(objpfx)bench-,$(bench-math)): $(libm)
+$(addprefix $(objpfx)bench-,$(math-benchset)): $(libm)
+$(addprefix $(objpfx)bench-,$(bench-pthread)): $(shared-thread-library)
+$(addprefix $(objpfx)bench-,$(bench-malloc)): $(shared-thread-library)
+$(addprefix $(objpfx)bench-,pthread-locks): $(libm)
 
 
 
@@ -418,6 +130,12 @@ bench-extra-objs = json-lib.o
 extra-objs += $(bench-extra-objs)
 others-extras = $(bench-extra-objs)
 
+include ../Rules
+
+binaries-bench := $(addprefix $(objpfx)bench-,$(bench))
+binaries-benchset := $(addprefix $(objpfx)bench-,$(benchset))
+binaries-bench-malloc := $(addprefix $(objpfx)bench-,$(bench-malloc))
+
 # The default duration: 1 seconds.
 ifndef BENCH_DURATION
 BENCH_DURATION := 1
@@ -447,43 +165,14 @@ bench-deps := bench-skeleton.c bench-timing.h Makefile
 
 run-bench = $(test-wrapper-env) \
 	    $(run-program-env) \
-	    $($*-ENV) $(test-tunables) $(test-via-rtld-prefix) $${run}
+	    $($*-ENV) $(test-via-rtld-prefix) $${run}
 
 timing-type := $(objpfx)bench-timing-type
-extra-objs += bench-timing-type.o
-
-include ../Rules
-
-bench-math += $(bench-libmvec)
-
-ifeq (${BENCHSET},)
-bench := \
-  $(bench-math) \
-  $(bench-pthread) \
-  $(bench-resolv) \
-  $(bench-string) \
-  # bench
-else
-bench := $(foreach B,$(filter bench-%,${BENCHSET}), ${${B}})
-endif
-
-# NB: Use "=" instead of ":=" since sysdeps Makefiles may add more
-# benches.
-binaries-bench = $(addprefix $(objpfx)bench-,$(bench))
-extra-objs += $(addsuffix .o,$(addprefix bench-,$(bench)))
-binaries-benchset = $(addprefix $(objpfx)bench-,$(benchset))
-extra-objs += $(addsuffix .o,$(addprefix bench-,$(benchset)))
-binaries-bench-malloc := $(addprefix $(objpfx)bench-,$(bench-malloc))
-extra-objs += $(addsuffix .o,$(addprefix bench-,$(bench-malloc)))
 
 # This makes sure CPPFLAGS-nonlib and CFLAGS-nonlib are passed
 # for all these modules.
-cpp-srcs-left := \
-  $(binaries-bench-malloc:=.c) \
-  $(binaries-bench:=.c) \
-  $(binaries-benchset:=.c) \
-  $(timing-type:=.c) \
-  # cpp-srcs-left
+cpp-srcs-left := $(binaries-benchset:=.c) $(binaries-bench:=.c) \
+		 $(binaries-bench-malloc:=.c) $(timing-type:=.c)
 lib := nonlib
 include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left))
 
@@ -496,26 +185,9 @@ bench-clean:
 
 # Validate the passed in BENCHSET
 ifneq ($(strip ${BENCHSET}),)
-VALIDBENCHSETNAMES := \
-  bench-math \
-  bench-pthread \
-  bench-resolv \
-  bench-string \
-  calloc-simple \
-  calloc-tcache \
-  calloc-thread \
-  hash-benchset \
-  malloc-simple \
-  malloc-tcache \
-  malloc-thread \
-  math-benchset \
-  stdio-benchset \
-  stdio-common-benchset \
-  stdlib-benchset \
-  string-benchset \
-  wcsmbs-benchset \
-  # VALIDBENCHSETNAMES
-
+VALIDBENCHSETNAMES := bench-pthread bench-math bench-string string-benchset \
+   wcsmbs-benchset stdlib-benchset stdio-common-benchset math-benchset \
+   malloc-thread malloc-simple
 INVALIDBENCHSETNAMES := $(filter-out ${VALIDBENCHSETNAMES},${BENCHSET})
 ifneq (${INVALIDBENCHSETNAMES},)
 $(info The following values in BENCHSET are invalid: ${INVALIDBENCHSETNAMES})
@@ -545,16 +217,11 @@ bench-set: $(binaries-benchset)
 bench-malloc: $(binaries-bench-malloc)
 	for run in $^; do \
 	  echo "$${run}"; \
-	  if basename $${run} | grep -q "bench-[cm]alloc-thread"; then \
+	  if [ `basename $${run}` = "bench-malloc-thread" ]; then \
 		for thr in 1 8 16 32; do \
 			echo "Running $${run} $${thr}"; \
 			$(run-bench) $${thr} > $${run}-$${thr}.out; \
 		done;\
-	  elif basename $${run} | grep -q "bench-[cm]alloc-tcache"; then \
-		for thr in 64 512 1024; do \
-			echo "Running $${run} $${thr}"; \
-			$(run-bench) $${thr} > $${run}-$${thr}.out; \
-		done;\
 	  else \
 		for thr in 8 16 32 64 128 256 512 1024 2048 4096; do \
 		  echo "Running $${run} $${thr}"; \
@@ -576,23 +243,11 @@ bench-func: $(binaries-bench)
 	  echo "{\"timing_type\": \"$${timing_type}\","; \
 	  echo " \"functions\": {"; \
 	  for run in $^; do \
-	    op=$$($(run-bench) $(DETAILED_OPT)); \
-	    ret=$$?; \
-	    case "$${ret}" in \
-	      77) \
-	      echo "UNSUPPORTED $${run}: $${op}" >&2; \
-		;; \
-	      0) \
-		echo "Running $${run}" >&2; \
-		if [ "$${run}" != "$<" ]; then \
-		  echo ","; \
-		fi; \
-		echo "$${op}"; \
-		;; \
-	      *) \
-		echo "FAILED $${run}" >&2; \
-		;; \
-	    esac; \
+	    if ! [ "x$${run}" = "x$<" ]; then \
+	      echo ","; \
+	    fi; \
+	    echo "Running $${run}" >&2; \
+	    $(run-bench) $(DETAILED_OPT); \
 	  done; \
 	  echo; \
 	  echo " }"; \
@@ -615,9 +270,9 @@ bench-link-targets = $(timing-type) $(binaries-bench) $(binaries-benchset) \
 
 $(bench-link-targets): %: %.o $(objpfx)json-lib.o \
 	$(link-extra-libs-tests) \
-  $(sort $(filter $(common-objpfx)lib%,$(link-libc-benchtests))) \
+  $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
   $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
-	$(+link-benchtests)
+	$(+link-tests)
 
 $(bench-link-targets): LDFLAGS += $(link-bench-bind-now)
 

benchtests/README

@@ -62,16 +62,6 @@ otherwise the above command may try to build the benchmark again.  Benchmarks
 that require generated code to be executed during the build are skipped when
 cross-building.
 
-Building benchmarks as static executables:
-=========================================
-
-To build benchmarks as static executables, on the build system, run:
-
-  $ make STATIC-BENCHTESTS=yes bench-build
-
-You can copy benchmark executables to another machine and run them
-without copying the source nor build directories.
-
 Running subsets of benchmarks:
 ==============================
 
@@ -84,14 +74,12 @@ where BENCHSET may be a space-separated list of the following values:
     bench-math
     bench-pthread
     bench-string
-    hash-benchset
-    malloc-thread
-    math-benchset
-    stdio-benchset
-    stdio-common-benchset
-    stdlib-benchset
     string-benchset
     wcsmbs-benchset
+    stdlib-benchset
+    stdio-common-benchset
+    math-benchset
+    malloc-thread
 
 Adding a function to benchtests:
 ===============================