yann@313: diff -durN gcc-4.2.1.orig/boehm-gc/include/gc.h gcc-4.2.1/boehm-gc/include/gc.h
yann@313: --- gcc-4.2.1.orig/boehm-gc/include/gc.h	2006-09-18 20:45:08.000000000 +0200
yann@313: +++ gcc-4.2.1/boehm-gc/include/gc.h	2007-08-03 20:33:00.000000000 +0200
yann@313: @@ -502,7 +502,7 @@
yann@313:  #if defined(__linux__) || defined(__GLIBC__)
yann@313:  # include <features.h>
yann@313:  # if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1 || __GLIBC__ > 2) \
yann@313: -     && !defined(__ia64__)
yann@313: +     && !defined(__ia64__) && !defined(__UCLIBC__)
yann@313:  #   ifndef GC_HAVE_BUILTIN_BACKTRACE
yann@313:  #     define GC_HAVE_BUILTIN_BACKTRACE
yann@313:  #   endif