mirror of git://sourceware.org/git/glibc.git
247 lines
7.8 KiB
Plaintext
247 lines
7.8 KiB
Plaintext
# Copyright (C) 1991-2015 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <http://www.gnu.org/licenses/>.
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#
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# Rules for making a subdirectory in the GNU C library.
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# Each subdirectory Makefile defines some variables and includes this.
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#
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ifneq (,)
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This makefile requires GNU Make.
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endif
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all: # Don't let the default goal come from Makeconfig.
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include $(firstword $(..) ../)Makeconfig
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ifndef subdir
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Each subdirectory makefile must define the `subdir' variable.
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endif
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# This ` unconfuses emacs.
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# This is benign and useless in GNU make before 3.63.
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export subdir := $(subdir)
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# This is the default target; it makes the library and auxiliary programs.
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.PHONY: all
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all: objs lib others
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ifeq ($(build-programs),yes)
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others: $(addprefix $(objpfx),$(extra-objs) \
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$(install-lib) \
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$(install-bin) $(install-bin-script) \
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$(install-rootsbin) $(install-sbin))
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else
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others: $(addprefix $(objpfx),$(extra-objs) \
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$(install-lib))
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endif
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ifneq "$(findstring env,$(origin headers))" ""
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headers :=
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endif
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ifneq "$(findstring env,$(origin generated))" ""
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generated :=
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endif
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ifneq "$(findstring env,$(origin common-generated))" ""
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common-generated :=
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endif
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# See below. This must be set before Makerules processes it.
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before-compile += $(common-objpfx)bits/stdio_lim.h
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include $(..)Makerules
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.PHONY: subdir_lib
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subdir_lib: lib-noranlib
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# Some subdirs need to install a dummy library.
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# They can use "$(objpfx)libfnord.a: $(dep-dummy-lib); $(make-dummy-lib)".
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dep-dummy-lib = $(common-objpfx)dummy.o
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define make-dummy-lib
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$(AR) cr$(verbose) $@ $<
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endef
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$(common-objpfx)dummy.c:
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rm -f $@
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(echo 'extern void __dummy__ (void);'; \
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echo 'void __dummy__ (void) { }') > $@
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common-generated += dummy.o dummy.c
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# This makes all the auxiliary and test programs.
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.PHONY: others tests bench
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ifeq ($(build-programs),yes)
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others: $(addprefix $(objpfx),$(others) $(sysdep-others) $(extra-objs))
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else
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others: $(addprefix $(objpfx),$(extra-objs))
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endif
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ifeq ($(run-built-tests),no)
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tests: $(addprefix $(objpfx),$(tests) $(test-srcs)) $(tests-special)
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xtests: tests $(xtests-special)
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else
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tests: $(tests:%=$(objpfx)%.out) $(tests-special)
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xtests: tests $(xtests:%=$(objpfx)%.out) $(xtests-special)
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endif
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tests-special-notdir = $(patsubst $(objpfx)%, %, $(tests-special))
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xtests-special-notdir = $(patsubst $(objpfx)%, %, $(xtests-special))
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tests:
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$(..)scripts/merge-test-results.sh -s $(objpfx) $(subdir) \
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$(sort $(tests) $(tests-special-notdir:.out=)) \
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> $(objpfx)subdir-tests.sum
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xtests:
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$(..)scripts/merge-test-results.sh -s $(objpfx) $(subdir) \
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$(sort $(xtests) $(xtests-special-notdir:.out=)) \
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> $(objpfx)subdir-xtests.sum
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ifeq ($(build-programs),yes)
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binaries-all-notests = $(others) $(sysdep-others)
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binaries-all-tests = $(tests) $(xtests) $(test-srcs)
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binaries-all = $(binaries-all-notests) $(binaries-all-tests)
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binaries-static-notests = $(others-static)
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binaries-static-tests = $(tests-static) $(xtests-static)
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binaries-static = $(binaries-static-notests) $(binaries-static-tests)
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ifeq (yesyes,$(have-fpie)$(build-shared))
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binaries-pie-tests = $(tests-pie) $(xtests-pie)
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binaries-pie-notests = $(others-pie)
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else
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binaries-pie-tests =
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binaries-pie-notests =
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endif
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else
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binaries-all-notests =
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binaries-all-tests = $(tests) $(xtests) $(test-srcs)
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binaries-all = $(binaries-all-tests)
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binaries-static-notests =
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binaries-static-tests =
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binaries-static =
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binaries-pie-tests =
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binaries-pie-notests =
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endif
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binaries-pie = $(binaries-pie-tests) $(binaries-pie-notests)
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binaries-shared-tests = $(filter-out $(binaries-pie) $(binaries-static), \
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$(binaries-all-tests))
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binaries-shared-notests = $(filter-out $(binaries-pie) $(binaries-static), \
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$(binaries-all-notests))
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ifneq "$(strip $(binaries-shared-notests))" ""
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$(addprefix $(objpfx),$(binaries-shared-notests)): %: %.o \
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$(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
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$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
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$(+link)
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endif
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ifneq "$(strip $(binaries-shared-tests))" ""
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$(addprefix $(objpfx),$(binaries-shared-tests)): %: %.o \
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$(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
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$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
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$(+link-tests)
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endif
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ifneq "$(strip $(binaries-pie-tests))" ""
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$(addprefix $(objpfx),$(binaries-pie-tests)): %: %.o \
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$(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
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$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
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$(+link-pie-tests)
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endif
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ifneq "$(strip $(binaries-pie-notests))" ""
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$(addprefix $(objpfx),$(binaries-pie-notests)): %: %.o \
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$(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
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$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
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$(+link-pie)
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endif
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ifneq "$(strip $(binaries-static-notests))" ""
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$(addprefix $(objpfx),$(binaries-static-notests)): %: %.o \
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$(sort $(filter $(common-objpfx)lib%,$(link-libc-static))) \
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$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
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$(+link-static)
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endif
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ifneq "$(strip $(binaries-static-tests))" ""
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$(addprefix $(objpfx),$(binaries-static-tests)): %: %.o \
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$(sort $(filter $(common-objpfx)lib%,$(link-libc-static-tests))) \
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$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
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$(+link-static-tests)
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endif
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ifneq "$(strip $(tests) $(xtests) $(test-srcs))" ""
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# These are the implicit rules for making test outputs
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# from the test programs and whatever input files are present.
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define make-test-out
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$(if $($*-ENV-only),$(test-wrapper-env-only) $($*-ENV-only),\
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$(test-wrapper-env) $(run-program-env) $($*-ENV)) \
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$(host-test-program-cmd) $($*-ARGS)
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endef
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$(objpfx)%.out: %.input $(objpfx)%
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$(make-test-out) > $@ < $(word 1,$^); \
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$(evaluate-test)
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$(objpfx)%.out: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence.
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$(make-test-out) > $@; \
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$(evaluate-test)
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# tests-unsupported lists tests that we will not try to build at all in
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# this configuration. Note this runs every time because it does not
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# actually create its target. The dependency on Makefile is meant to
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# ensure that it runs after a Makefile change to add a test to the list
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# when it previously ran and produced a .out file (probably for a failure).
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ifneq "$(strip $(tests-unsupported))" ""
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$(tests-unsupported:%=$(objpfx)%.out): $(objpfx)%.out: Makefile
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@rm -f $@
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$(..)scripts/evaluate-test.sh $(patsubst $(common-objpfx)%.out,%,$@) \
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77 false false > $(@:.out=.test-result)
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endif
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endif # tests
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.PHONY: distclean realclean subdir_distclean subdir_realclean \
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subdir_clean subdir_mostlyclean subdir_testclean
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subdir_mostlyclean: mostlyclean
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subdir_clean: clean
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subdir_distclean: distclean
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subdir_realclean: realclean
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subdir_testclean: do-tests-clean
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realclean: distclean
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distclean: clean
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# We want to install everything except the library itself, but update all
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# our portions of the library because the parent make will install it later
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# (likewise the stubs file).
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.PHONY: subdir_install
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subdir_install: install-no-libc.a lib-noranlib stubs
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.PHONY: subdir_objs subdir_stubs
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subdir_objs: objs
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subdir_stubs: stubs
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# Target required by the Hurd to ensure that all the MiG-generated
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# headers are in place before building a subdirectory.
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.PHONY: before-compile
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before-compile: $(before-compile)
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$(common-objpfx)dummy.o: $(common-objpfx)dummy.c $(before-compile);
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$(compile-command.c)
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# Local Variables:
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# mode: makefile
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# End:
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