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nixpkgs/pkgs/development/libraries/glibc-2.5/x86-fnstsw.patch

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Define "brokenRedHatKernel = true" in $NIXPKGS_CONFIG to build a system that works on Red Hat Linux, i.e. that is based on glibc version 2.5. Furthermore, this patch fixes a number of gcc 4.3.3 build errors in glibc 2.5 that occur on both x86 and x86_64. The older version of this library is still useful for running Nix on a Red Hat host. Newer version of glibc fail to detect the kernel's capabilities correctly (due to mad patches applied to the kernel by Red Hat). The individual changes are: * Re-activated glibc 2.5 in all-packages.nix. * Fix incomplete header search path in bootstrap tools. Gcc-wrapper sets "-B<prefix>" to tell the compiler about its installation root. Unfortunately, the setting doesn't add $gcc/lib/gcc/*/*/include-fixed to the search path. That directory is required, however, because it contains the system-specific "limits.h" file, and the glibc 2.5 builds tries to find that file via #include_next. * Support intrinsic functions like __signbit() or atof() correctly to avoid compile-time conflicts. * Switch to NPTL. Linuxthreads is no longer supported. * Added a meta attribute to glibc package. * Updated nixUnstable to version 0.13pre15614 from trunk. The previous version failed regression tests. * Fix more strict type checking in binutils since 2.18.50.0.3. Without this patch, the build failed on x86, saying: ../sysdeps/i386/fpu/ftestexcept.c: Assembler messages: ../sysdeps/i386/fpu/ftestexcept.c:33: Error: suffix or operands invalid for `fnstsw' svn path=/nixpkgs/branches/stdenv-updates/; revision=16037
2009-06-24 21:10:51 +01:00
# --- T2-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# T2 SDE: package/.../glibc/x86-fnstsw.patch
# Copyright (C) 2008 The T2 SDE Project
#
# More information can be found in the files COPYING and README.
#
# This patch file is dual-licensed. It is available under the license the
# patched project is licensed under, as long as it is an OpenSource license
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or 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.
# --- T2-COPYRIGHT-NOTE-END ---
Fix more strict checking in binutils since 2.18.50.0.3:
sysdeps/i386/fpu/ftestexcept.c:33: Error: suffix or operands invalid for `fnstsw'
- Rene Rebe <rene@exactcode.de>
--- glibc-2.6.1/sysdeps/i386/fpu/ftestexcept.c.vanilla 2008-09-02 12:45:07.000000000 +0200
+++ glibc-2.6.1/sysdeps/i386/fpu/ftestexcept.c 2008-09-02 12:46:37.000000000 +0200
@@ -26,7 +26,7 @@
int
fetestexcept (int excepts)
{
- int temp;
+ short temp;
int xtemp = 0;
/* Get current exceptions. */
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