Update the PowerPC samples.

/trunk/samples/powerpc-e500v2-linux-gnuspe/crosstool.config | 43 26 17 0 +-
/trunk/samples/powerpc-unknown-linux-gnu/crosstool.config | 24 17 7 0 +
/trunk/samples/powerpc-unknown_nofpu-linux-gnu/crosstool.config | 24 17 7 0 +
/trunk/samples/powerpc-unknown-linux-uclibc/uClibc-0.9.30.config | 248 248 0 0 ++++++++++++++
/trunk/samples/powerpc-unknown-linux-uclibc/crosstool.config | 28 20 8 0 +-
/trunk/samples/powerpc-860-linux-gnu/crosstool.config | 30 19 11 0 +-
6 files changed, 347 insertions(+), 50 deletions(-)

diff -durN gcc-4.2.1.orig/boehm-gc/include/gc.h gcc-4.2.1/boehm-gc/include/gc.h

--- gcc-4.2.1.orig/boehm-gc/include/gc.h	2006-09-18 20:45:08.000000000 +0200

+++ gcc-4.2.1/boehm-gc/include/gc.h	2007-08-03 20:33:00.000000000 +0200

@@ -502,7 +502,7 @@

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

 # include <features.h>

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

-     && !defined(__ia64__)

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

 #   ifndef GC_HAVE_BUILTIN_BACKTRACE

 #     define GC_HAVE_BUILTIN_BACKTRACE

 #   endif