http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47972
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-03-03 18:11:40 UTC --- Try: return __builtin_choose_expr (__builtin_classify_type (strerror_r (0, buf, 0)) == 5, /* GNU strerror_r() */ strerror_r (errnum, buf, buflen), /* POSIX strerror_r () */ (strerror_r (errnum, buf, buflen), buf)); ?