diff -urN crosstool-ng-1.9.1.orig/patches/glibc/2.12.2/900-march-i686.patch crosstool-ng-1.9.1/patches/glibc/2.12.2/900-march-i686.patch
--- crosstool-ng-1.9.1.orig/patches/glibc/2.12.2/900-march-i686.patch	1970-01-01 01:00:00.000000000 +0100
+++ crosstool-ng-1.9.1/patches/glibc/2.12.2/900-march-i686.patch	2010-12-30 11:38:15.164087355 +0100
@@ -0,0 +1,34 @@
+2007-02-15  Khem Raj  <kraj@xxxxxxxxxx>
+
+       * sysdeps/unix/sysv/linux/i386/sysdep.h: Re-define __i686.
+       * nptl/sysdeps/pthread/pt-initfini.c: Ditto.
+
+diff -urN glibc-2.12.2.orig/nptl/sysdeps/pthread/pt-initfini.c glibc-2.12.2/nptl/sysdeps/pthread/pt-initfini.c
+--- glibc-2.12.2.orig/nptl/sysdeps/pthread/pt-initfini.c	2009-10-30 18:17:08.000000000 +0100
++++ glibc-2.12.2/nptl/sysdeps/pthread/pt-initfini.c	2010-12-30 11:36:19.858708534 +0100
+@@ -45,6 +45,11 @@
+ /* Embed an #include to pull in the alignment and .end directives. */
+ asm ("\n#include \"defs.h\"");
+ 
++asm ("\n#if defined __i686 && defined __ASSEMBLER__");
++asm ("\n#undef __i686");
++asm ("\n#define __i686 __i686");
++asm ("\n#endif");
++
+ /* The initial common code ends here. */
+ asm ("\n/*@HEADER_ENDS*/");
+ 
+diff -urN glibc-2.12.2.orig/sysdeps/unix/sysv/linux/i386/sysdep.h glibc-2.12.2/sysdeps/unix/sysv/linux/i386/sysdep.h
+--- glibc-2.12.2.orig/sysdeps/unix/sysv/linux/i386/sysdep.h	2009-10-30 18:17:08.000000000 +0100
++++ glibc-2.12.2/sysdeps/unix/sysv/linux/i386/sysdep.h	2010-12-30 11:36:19.858708534 +0100
+@@ -29,6 +29,10 @@
+ #include <dl-sysdep.h>
+ #include <tls.h>
+ 
++#if defined __i686 && defined __ASSEMBLER__
++#undef __i686
++#define __i686 __i686
++#endif
+ 
+ /* For Linux we can use the system call table in the header file
+ 	/usr/include/asm/unistd.h
diff -urN crosstool-ng-1.9.1.orig/patches/glibc/2.12.1/900-march-i686.patch crosstool-ng-1.9.1/patches/glibc/2.12.1/900-march-i686.patch
--- crosstool-ng-1.9.1.orig/patches/glibc/2.12.1/900-march-i686.patch	1970-01-01 01:00:00.000000000 +0100
+++ crosstool-ng-1.9.1/patches/glibc/2.12.1/900-march-i686.patch	2010-12-30 11:38:15.164087355 +0100
@@ -0,0 +1,34 @@
+2007-02-15  Khem Raj  <kraj@xxxxxxxxxx>
+
+       * sysdeps/unix/sysv/linux/i386/sysdep.h: Re-define __i686.
+       * nptl/sysdeps/pthread/pt-initfini.c: Ditto.
+
+diff -urN glibc-2.12.1.orig/nptl/sysdeps/pthread/pt-initfini.c glibc-2.12.1/nptl/sysdeps/pthread/pt-initfini.c
+--- glibc-2.12.1.orig/nptl/sysdeps/pthread/pt-initfini.c	2009-10-30 18:17:08.000000000 +0100
++++ glibc-2.12.1/nptl/sysdeps/pthread/pt-initfini.c	2010-12-30 11:36:19.858708534 +0100
+@@ -45,6 +45,11 @@
+ /* Embed an #include to pull in the alignment and .end directives. */
+ asm ("\n#include \"defs.h\"");
+ 
++asm ("\n#if defined __i686 && defined __ASSEMBLER__");
++asm ("\n#undef __i686");
++asm ("\n#define __i686 __i686");
++asm ("\n#endif");
++
+ /* The initial common code ends here. */
+ asm ("\n/*@HEADER_ENDS*/");
+ 
+diff -urN glibc-2.12.1.orig/sysdeps/unix/sysv/linux/i386/sysdep.h glibc-2.12.1/sysdeps/unix/sysv/linux/i386/sysdep.h
+--- glibc-2.12.1.orig/sysdeps/unix/sysv/linux/i386/sysdep.h	2009-10-30 18:17:08.000000000 +0100
++++ glibc-2.12.1/sysdeps/unix/sysv/linux/i386/sysdep.h	2010-12-30 11:36:19.858708534 +0100
+@@ -29,6 +29,10 @@
+ #include <dl-sysdep.h>
+ #include <tls.h>
+ 
++#if defined __i686 && defined __ASSEMBLER__
++#undef __i686
++#define __i686 __i686
++#endif
+ 
+ /* For Linux we can use the system call table in the header file
+ 	/usr/include/asm/unistd.h
diff -urN crosstool-ng-1.9.1.orig/patches/glibc/2.11.1/900-march-i686.patch crosstool-ng-1.9.1/patches/glibc/2.11.1/900-march-i686.patch
--- crosstool-ng-1.9.1.orig/patches/glibc/2.11.1/900-march-i686.patch	1970-01-01 01:00:00.000000000 +0100
+++ crosstool-ng-1.9.1/patches/glibc/2.11.1/900-march-i686.patch	2010-12-30 11:38:22.794443287 +0100
@@ -0,0 +1,34 @@
+2007-02-15  Khem Raj  <kraj@xxxxxxxxxx>
+
+       * sysdeps/unix/sysv/linux/i386/sysdep.h: Re-define __i686.
+       * nptl/sysdeps/pthread/pt-initfini.c: Ditto.
+
+diff -urN glibc-2.11.1.orig/nptl/sysdeps/pthread/pt-initfini.c glibc-2.11.1/nptl/sysdeps/pthread/pt-initfini.c
+--- glibc-2.11.1.orig/nptl/sysdeps/pthread/pt-initfini.c	2009-12-08 21:10:20.000000000 +0100
++++ glibc-2.11.1/nptl/sysdeps/pthread/pt-initfini.c	2010-12-30 11:33:31.520855595 +0100
+@@ -45,6 +45,11 @@
+ /* Embed an #include to pull in the alignment and .end directives. */
+ asm ("\n#include \"defs.h\"");
+ 
++asm ("\n#if defined __i686 && defined __ASSEMBLER__");
++asm ("\n#undef __i686");
++asm ("\n#define __i686 __i686");
++asm ("\n#endif");
++
+ /* The initial common code ends here. */
+ asm ("\n/*@HEADER_ENDS*/");
+ 
+diff -urN glibc-2.11.1.orig/sysdeps/unix/sysv/linux/i386/sysdep.h glibc-2.11.1/sysdeps/unix/sysv/linux/i386/sysdep.h
+--- glibc-2.11.1.orig/sysdeps/unix/sysv/linux/i386/sysdep.h	2009-12-08 21:10:20.000000000 +0100
++++ glibc-2.11.1/sysdeps/unix/sysv/linux/i386/sysdep.h	2010-12-30 11:33:31.520855595 +0100
+@@ -29,6 +29,10 @@
+ #include <dl-sysdep.h>
+ #include <tls.h>
+ 
++#if defined __i686 && defined __ASSEMBLER__
++#undef __i686
++#define __i686 __i686
++#endif
+ 
+ /* For Linux we can use the system call table in the header file
+ 	/usr/include/asm/unistd.h
diff -urN crosstool-ng-1.9.1.orig/patches/glibc/2.11/900-march-i686.patch crosstool-ng-1.9.1/patches/glibc/2.11/900-march-i686.patch
--- crosstool-ng-1.9.1.orig/patches/glibc/2.11/900-march-i686.patch	1970-01-01 01:00:00.000000000 +0100
+++ crosstool-ng-1.9.1/patches/glibc/2.11/900-march-i686.patch	2010-12-30 11:38:22.794443287 +0100
@@ -0,0 +1,34 @@
+2007-02-15  Khem Raj  <kraj@xxxxxxxxxx>
+
+       * sysdeps/unix/sysv/linux/i386/sysdep.h: Re-define __i686.
+       * nptl/sysdeps/pthread/pt-initfini.c: Ditto.
+
+diff -urN glibc-2.11.orig/nptl/sysdeps/pthread/pt-initfini.c glibc-2.11/nptl/sysdeps/pthread/pt-initfini.c
+--- glibc-2.11.orig/nptl/sysdeps/pthread/pt-initfini.c	2009-12-08 21:10:20.000000000 +0100
++++ glibc-2.11/nptl/sysdeps/pthread/pt-initfini.c	2010-12-30 11:33:31.520855595 +0100
+@@ -45,6 +45,11 @@
+ /* Embed an #include to pull in the alignment and .end directives. */
+ asm ("\n#include \"defs.h\"");
+ 
++asm ("\n#if defined __i686 && defined __ASSEMBLER__");
++asm ("\n#undef __i686");
++asm ("\n#define __i686 __i686");
++asm ("\n#endif");
++
+ /* The initial common code ends here. */
+ asm ("\n/*@HEADER_ENDS*/");
+ 
+diff -urN glibc-2.11.orig/sysdeps/unix/sysv/linux/i386/sysdep.h glibc-2.11/sysdeps/unix/sysv/linux/i386/sysdep.h
+--- glibc-2.11.orig/sysdeps/unix/sysv/linux/i386/sysdep.h	2009-12-08 21:10:20.000000000 +0100
++++ glibc-2.11/sysdeps/unix/sysv/linux/i386/sysdep.h	2010-12-30 11:33:31.520855595 +0100
+@@ -29,6 +29,10 @@
+ #include <dl-sysdep.h>
+ #include <tls.h>
+ 
++#if defined __i686 && defined __ASSEMBLER__
++#undef __i686
++#define __i686 __i686
++#endif
+ 
+ /* For Linux we can use the system call table in the header file
+ 	/usr/include/asm/unistd.h
diff -urN crosstool-ng-1.9.1.orig/patches/glibc/2.10.1/900-march-i686.patch crosstool-ng-1.9.1/patches/glibc/2.10.1/900-march-i686.patch
--- crosstool-ng-1.9.1.orig/patches/glibc/2.10.1/900-march-i686.patch	1970-01-01 01:00:00.000000000 +0100
+++ crosstool-ng-1.9.1/patches/glibc/2.10.1/900-march-i686.patch	2010-12-30 11:38:22.794443287 +0100
@@ -0,0 +1,34 @@
+2007-02-15  Khem Raj  <kraj@xxxxxxxxxx>
+
+       * sysdeps/unix/sysv/linux/i386/sysdep.h: Re-define __i686.
+       * nptl/sysdeps/pthread/pt-initfini.c: Ditto.
+
+diff -urN glibc-2.10.1.orig/nptl/sysdeps/pthread/pt-initfini.c glibc-2.10.1/nptl/sysdeps/pthread/pt-initfini.c
+--- glibc-2.10.1.orig/nptl/sysdeps/pthread/pt-initfini.c	2009-12-08 21:10:20.000000000 +0100
++++ glibc-2.10.1/nptl/sysdeps/pthread/pt-initfini.c	2010-12-30 11:33:31.520855595 +0100
+@@ -45,6 +45,11 @@
+ /* Embed an #include to pull in the alignment and .end directives. */
+ asm ("\n#include \"defs.h\"");
+ 
++asm ("\n#if defined __i686 && defined __ASSEMBLER__");
++asm ("\n#undef __i686");
++asm ("\n#define __i686 __i686");
++asm ("\n#endif");
++
+ /* The initial common code ends here. */
+ asm ("\n/*@HEADER_ENDS*/");
+ 
+diff -urN glibc-2.10.1.orig/sysdeps/unix/sysv/linux/i386/sysdep.h glibc-2.10.1/sysdeps/unix/sysv/linux/i386/sysdep.h
+--- glibc-2.10.1.orig/sysdeps/unix/sysv/linux/i386/sysdep.h	2009-12-08 21:10:20.000000000 +0100
++++ glibc-2.10.1/sysdeps/unix/sysv/linux/i386/sysdep.h	2010-12-30 11:33:31.520855595 +0100
+@@ -29,6 +29,10 @@
+ #include <dl-sysdep.h>
+ #include <tls.h>
+ 
++#if defined __i686 && defined __ASSEMBLER__
++#undef __i686
++#define __i686 __i686
++#endif
+ 
+ /* For Linux we can use the system call table in the header file
+ 	/usr/include/asm/unistd.h
diff -urN crosstool-ng-1.9.1.orig/patches/glibc/2.9/900-march-i686.patch crosstool-ng-1.9.1/patches/glibc/2.9/900-march-i686.patch
--- crosstool-ng-1.9.1.orig/patches/glibc/2.9/900-march-i686.patch	1970-01-01 01:00:00.000000000 +0100
+++ crosstool-ng-1.9.1/patches/glibc/2.9/900-march-i686.patch	2010-12-30 11:38:22.794443287 +0100
@@ -0,0 +1,34 @@
+2007-02-15  Khem Raj  <kraj@xxxxxxxxxx>
+
+       * sysdeps/unix/sysv/linux/i386/sysdep.h: Re-define __i686.
+       * nptl/sysdeps/pthread/pt-initfini.c: Ditto.
+
+diff -urN glibc-2.9.orig/nptl/sysdeps/pthread/pt-initfini.c glibc-2.9/nptl/sysdeps/pthread/pt-initfini.c
+--- glibc-2.9.orig/nptl/sysdeps/pthread/pt-initfini.c	2009-12-08 21:10:20.000000000 +0100
++++ glibc-2.9/nptl/sysdeps/pthread/pt-initfini.c	2010-12-30 11:33:31.520855595 +0100
+@@ -45,6 +45,11 @@
+ /* Embed an #include to pull in the alignment and .end directives. */
+ asm ("\n#include \"defs.h\"");
+ 
++asm ("\n#if defined __i686 && defined __ASSEMBLER__");
++asm ("\n#undef __i686");
++asm ("\n#define __i686 __i686");
++asm ("\n#endif");
++
+ /* The initial common code ends here. */
+ asm ("\n/*@HEADER_ENDS*/");
+ 
+diff -urN glibc-2.9.orig/sysdeps/unix/sysv/linux/i386/sysdep.h glibc-2.9/sysdeps/unix/sysv/linux/i386/sysdep.h
+--- glibc-2.9.orig/sysdeps/unix/sysv/linux/i386/sysdep.h	2009-12-08 21:10:20.000000000 +0100
++++ glibc-2.9/sysdeps/unix/sysv/linux/i386/sysdep.h	2010-12-30 11:33:31.520855595 +0100
+@@ -29,6 +29,10 @@
+ #include <dl-sysdep.h>
+ #include <tls.h>
+ 
++#if defined __i686 && defined __ASSEMBLER__
++#undef __i686
++#define __i686 __i686
++#endif
+ 
+ /* For Linux we can use the system call table in the header file
+ 	/usr/include/asm/unistd.h



YMMV.

/Esben