http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49484
--- Comment #20 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-03-12 15:52:34 UTC --- I suppose Index: libgcc/gthr-posix.h =================================================================== --- libgcc/gthr-posix.h (revision 185232) +++ libgcc/gthr-posix.h (working copy) @@ -77,7 +77,6 @@ typedef struct timespec __gthread_time_t #ifdef _GTHREAD_USE_MUTEX_INIT_FUNC # undef __GTHREAD_MUTEX_INIT -# define __GTHREAD_MUTEX_INIT_FUNCTION __gthread_mutex_init_function #endif #ifdef _GTHREAD_USE_RECURSIVE_MUTEX_INIT_FUNC # undef __GTHREAD_RECURSIVE_MUTEX_INIT would fix it?