https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56482
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> --- Created attachment 32993 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=32993&action=edit change GCC_TRY_COMPILE_OR_LINK test to AC_TRY_COMPILE Does this patch (against trunk) solve the problem?