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alpha: Require kernel version 2.6.0. 

The minimum version that supports TLS.  Also avoids having to
fix the build for ancient __ASSUME_* settings.
This commit is contained in:
Richard Henderson 2012-02-08 11:43:50 -08:00
parent f81b9186ff
commit fe7b738e7a
4 changed files with 30 additions and 0 deletions
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5
ChangeLog.alpha
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@ -1,5 +1,10 @@
2012-02-08 Richard Henderson <rth@twiddle.net> 2012-02-08 Richard Henderson <rth@twiddle.net>
* sysdeps/unix/sysv/linux/alpha/configure.in: New file.
* sysdeps/unix/sysv/linux/alpha/configure: Build.
* sysdeps/unix/sysv/linux/alpha/kernel-features.h: Protect from
multiple includes. Disable statfs64 entirely.
* sysdeps/alpha/nptl/tls.h: Don't test HAVE_TLS_SUPPORT. * sysdeps/alpha/nptl/tls.h: Don't test HAVE_TLS_SUPPORT.
* sysdeps/unix/alpha/sysdep.h: Don't test HAVE___THREAD. * sysdeps/unix/alpha/sysdep.h: Don't test HAVE___THREAD.
* sysdeps/alpha/elf/configure.in (libc_cv_alpha_tls): Error out if * sysdeps/alpha/elf/configure.in (libc_cv_alpha_tls): Error out if

8
sysdeps/unix/sysv/linux/alpha/configure vendored Normal file
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# This file is generated from configure.in by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/unix/sysv/linux/alpha
# There are several bits that no longer compile cleanly without
# realtime signal support (ver 2.2.0). Given that we also now
# require TLS (ver 2.6.0), it seems pointless to fix them.
# ??? Surely this should now be the generic default.
arch_minimum_kernel=2.6.0

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sysdeps/unix/sysv/linux/alpha/configure.in Normal file
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GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/unix/sysv/linux/alpha
# There are several bits that no longer compile cleanly without
# realtime signal support (ver 2.2.0). Given that we also now
# require TLS (ver 2.6.0), it seems pointless to fix them.
# ??? Surely this should now be the generic default.
arch_minimum_kernel=2.6.0

9
sysdeps/unix/sysv/linux/alpha/kernel-features.h
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@ -18,6 +18,9 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */ 02111-1307 USA. */
#ifndef _KERNEL_FEATURES_H
#define _KERNEL_FEATURES_H 1
/* alpha switched to a 64-bit timeval sometime before 2.2.0. */ /* alpha switched to a 64-bit timeval sometime before 2.2.0. */
#if __LINUX_KERNEL_VERSION >= 131584 #if __LINUX_KERNEL_VERSION >= 131584
# define __ASSUME_TIMEVAL64 1 # define __ASSUME_TIMEVAL64 1
@ -96,3 +99,9 @@
#if __LINUX_KERNEL_VERSION < 0x020621 #if __LINUX_KERNEL_VERSION < 0x020621
# undef __ASSUME_FALLOCATE # undef __ASSUME_FALLOCATE
#endif #endif
/* There never has been support for fstat64. */
#undef __ASSUME_STATFS64
#define __ASSUME_STATFS64 0
#endif /* _KERNEL_FEATURES_H */