http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52179
Patrick Marlier <patrick.marlier at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |patrick.marlier at gmail | |dot com --- Comment #8 from Patrick Marlier <patrick.marlier at gmail dot com> 2012-02-22 22:30:52 UTC --- As discussed in https://github.com/ivmai/bdwgc/issues/13, this was fixed in boehm-gc but due to the stage 4, I don't expect to the boehm-gc version be upgraded. Does a workaround should be proposed? You can try that but 1) this is untested (and probably is not enough), 2) NO_PTHREAD_GET_STACKADDR_NP macro does not exists in current boehm-gc so probably it will create problems too. Index: os_dep.c =================================================================== --- os_dep.c (revision 184398) +++ os_dep.c (working copy) @@ -1011,6 +1011,14 @@ ptr_t GC_get_stack_base() #if !defined(BEOS) && !defined(AMIGA) && !defined(MSWIN32) \ && !defined(MSWINCE) && !defined(OS2) && !defined(NOSYS) && !defined(ECOS) +# if defined(DARWIN) + /* We could use pthread_get_stackaddr_np even in case of a */ + /* single-threaded gclib (there is no -lpthread on Darwin). */ +# include <pthread.h> +# undef STACKBOTTOM +# define STACKBOTTOM (ptr_t)pthread_get_stackaddr_np(pthread_self()) +# endif /* defined(DARWIN) */ + ptr_t GC_get_stack_base() { # if defined(HEURISTIC1) || defined(HEURISTIC2) || \