crosstool-ng: patches/gcc/4.4.3/310-missing-execinfo

libc/mingw: do not remove support symlink

Under mingw, it seems that there is a mix between the traditional /usr
directory, and a similar-purposed /mingw directory (both in the sysroot).

Currently, we create /mingw as a symlink to /usr, and we removed it in
the libc-finish step.

Unfortunately, this prevents the pre-processor to find the headers.
Keeping the symlink makes it magically work...

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
(transplanted from fa5c70b11fecf390c78780fe8f8ba0a836a59e92)

     1 diff -durN gcc-4.4.0.orig/boehm-gc/include/gc.h gcc-4.4.0/boehm-gc/include/gc.h

     2 --- gcc-4.4.0.orig/boehm-gc/include/gc.h	2007-04-23 23:10:09.000000000 +0200

     3 +++ gcc-4.4.0/boehm-gc/include/gc.h	2009-05-27 21:38:55.000000000 +0200

     4 @@ -503,7 +503,7 @@

     5  #if defined(__linux__) || defined(__GLIBC__)

     6  # include <features.h>

     7  # if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1 || __GLIBC__ > 2) \

     8 -     && !defined(__ia64__)

     9 +     && !defined(__ia64__) && !defined(__UCLIBC__)

    10  #   ifndef GC_HAVE_BUILTIN_BACKTRACE

    11  #     define GC_HAVE_BUILTIN_BACKTRACE

    12  #   endif

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Wed Jan 26 00:04:41 2011 +0100 (2011-01-26)
branch	1.9
changeset 2291	075510bba768
parent 1611	e2516bba8fe5
permissions	-rw-r--r--