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yann@1625
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1 |
If gcc is configured to generate i686 code or better by default (like
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yann@1625
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2 |
when using the --with-arch=pentium3 configure option), then the __i686
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yann@1625
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3 |
macro will always be defined automatically and thus screw up the
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yann@1625
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4 |
compilation of some .S files.
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yann@1625
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5 |
http://bugs.gentoo.org/131108
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yann@1625
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http://sourceware.org/ml/libc-alpha/2006-04/msg00090.html
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yann@1625
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7 |
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yann@1625
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8 |
2006-04-25 Mike Frysinger <vapier@gentoo.org>
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yann@1625
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9 |
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yann@1625
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10 |
* sysdeps/i386/sysdep.h (__i686): Undefine.
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yann@1625
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11 |
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yann@1625
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12 |
diff -durN glibc-2.10.1.orig/nptl/sysdeps/pthread/pt-initfini.c glibc-2.10.1/nptl/sysdeps/pthread/pt-initfini.c
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yann@1625
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13 |
--- glibc-2.10.1.orig/nptl/sysdeps/pthread/pt-initfini.c 2007-06-17 20:02:01.000000000 +0200
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yann@1625
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14 |
+++ glibc-2.10.1/nptl/sysdeps/pthread/pt-initfini.c 2009-11-13 00:50:22.000000000 +0100
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yann@1625
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15 |
@@ -45,6 +45,9 @@
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yann@1625
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/* Embed an #include to pull in the alignment and .end directives. */
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yann@1625
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asm ("\n#include \"defs.h\"");
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yann@1625
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18 |
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yann@1625
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19 |
+/* Embed an #include to pull in asm settings. */
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yann@1625
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+asm ("\n#ifdef __i686__\n#include <sysdep.h>\n#endif");
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yann@1625
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21 |
+
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yann@1625
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22 |
/* The initial common code ends here. */
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yann@1625
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23 |
asm ("\n/*@HEADER_ENDS*/");
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yann@1625
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24 |
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yann@1625
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25 |
diff -durN glibc-2.10.1.orig/sysdeps/i386/sysdep.h glibc-2.10.1/sysdeps/i386/sysdep.h
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yann@1625
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--- glibc-2.10.1.orig/sysdeps/i386/sysdep.h 2006-10-28 08:44:03.000000000 +0200
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yann@1625
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+++ glibc-2.10.1/sysdeps/i386/sysdep.h 2009-11-13 00:50:22.000000000 +0100
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yann@1625
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28 |
@@ -18,6 +18,14 @@
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yann@1625
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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yann@1625
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30 |
02111-1307 USA. */
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yann@1625
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31 |
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yann@1625
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32 |
+/*
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yann@1625
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33 |
+ * When building for i686 targets or better, gcc automatically defines
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yann@1625
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34 |
+ * '__i686' to '1' for us which causes trouble when using section names
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yann@1625
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35 |
+ * like '__i686.get_pc_thunk.reg'. Since we check for __i686__ in the
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yann@1625
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+ * code, killing '__i686' shouldn't be a problem.
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yann@1625
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37 |
+ */
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yann@1625
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38 |
+#undef __i686
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yann@1625
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+
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yann@1625
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#include <sysdeps/generic/sysdep.h>
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yann@1625
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41 |
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yann@1625
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42 |
#ifdef __ASSEMBLER__
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