Credit Mark Jonas <toertel@gmail.com> for the initial work on Super-H support.
(I forgot to add you to the CREDITS at the time, sorry Mark).
1 diff -durN gcc-4.2.1.orig/boehm-gc/include/gc.h gcc-4.2.1/boehm-gc/include/gc.h
2 --- gcc-4.2.1.orig/boehm-gc/include/gc.h 2006-09-18 20:45:08.000000000 +0200
3 +++ gcc-4.2.1/boehm-gc/include/gc.h 2007-08-03 20:33:00.000000000 +0200
5 #if defined(__linux__) || defined(__GLIBC__)
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