+++ /dev/null
---- a/boehm-gc/include/gc.h
-+++ b/boehm-gc/include/gc.h
-@@ -503,7 +503,7 @@
- #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