--- 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