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patches/glibc/2.9/350-2.4-undefine-__i686.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Aug 30 16:54:30 2009 +0200 (2009-08-30)
changeset 1502 472cfde636a1
parent 1201 c9967a6e3b25
permissions -rw-r--r--
config: move the "build shared libraries" option to the OS menu

The "Build shared libraries" config option is dependant on the type of
"Target OS".

Moving this options to the "Target OS" sub-menu is also better in the user
perspective: he/she no longer needs to go back and forth to see if he/she
missed any option. 
     1 Original patch from: gentoo/src/patchsets/glibc/2.9/1130_all_glibc-2.4-undefine-__i686.patch

     2 

     3 -= BEGIN original header =-

     4 If gcc is configured to generate i686 code or better by default (like 

     5 when using the --with-arch=pentium3 configure option), then the __i686

     6 macro will always be defined automatically and thus screw up the

     7 compilation of some .S files.

     8 http://bugs.gentoo.org/131108

     9 http://sourceware.org/ml/libc-alpha/2006-04/msg00090.html

    10 

    11 2006-04-25  Mike Frysinger  <vapier@gentoo.org>

    12 

    13 	* sysdeps/i386/sysdep.h (__i686): Undefine.

    14 

    15 -= END original header =-

    16 

    17 diff -durN glibc-2_9.orig/nptl/sysdeps/pthread/pt-initfini.c glibc-2_9/nptl/sysdeps/pthread/pt-initfini.c

    18 --- glibc-2_9.orig/nptl/sysdeps/pthread/pt-initfini.c	2007-06-17 20:02:01.000000000 +0200

    19 +++ glibc-2_9/nptl/sysdeps/pthread/pt-initfini.c	2009-02-02 22:01:09.000000000 +0100

    20 @@ -45,6 +45,9 @@

    21  /* Embed an #include to pull in the alignment and .end directives. */

    22  asm ("\n#include \"defs.h\"");

    23  

    24 +/* Embed an #include to pull in asm settings. */

    25 +asm ("\n#ifdef __i686__\n#include <sysdep.h>\n#endif");

    26 +

    27  /* The initial common code ends here. */

    28  asm ("\n/*@HEADER_ENDS*/");

    29  

    30 diff -durN glibc-2_9.orig/sysdeps/i386/sysdep.h glibc-2_9/sysdeps/i386/sysdep.h

    31 --- glibc-2_9.orig/sysdeps/i386/sysdep.h	2006-10-28 08:44:03.000000000 +0200

    32 +++ glibc-2_9/sysdeps/i386/sysdep.h	2009-02-02 22:01:09.000000000 +0100

    33 @@ -18,6 +18,14 @@

    34     Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

    35     02111-1307 USA.  */

    36  

    37 +/*

    38 + * When building for i686 targets or better, gcc automatically defines

    39 + * '__i686' to '1' for us which causes trouble when using section names

    40 + * like '__i686.get_pc_thunk.reg'.  Since we check for __i686__ in the

    41 + * code, killing '__i686' shouldn't be a problem.

    42 + */

    43 +#undef __i686

    44 +

    45  #include <sysdeps/generic/sysdep.h>

    46  

    47  #ifdef	__ASSEMBLER__
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