Fixes the following error/misdetection of sighandler_t: ``` config.log:2639:conftest.c:83:13: error: 'sighandler_t' undeclared (first use in this function); did you mean 'sa_handler'? ```
sighandler_t requires -D_GNU_SOURCE on glibc systems. Signed-off-by: Sam James <s...@gentoo.org> --- configure.ac | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index 2b505c783..c2276c7d9 100644 --- a/configure.ac +++ b/configure.ac @@ -490,7 +490,8 @@ AC_CHECK_FUNCS([cbrt]) AC_CHECK_FUNCS([getmsg putmsg]) dnl sighandler_t apparently not defined in Apple/OS X -AC_CHECK_TYPES([sighandler_t], [], [], [[#include <signal.h>]]) +AC_CHECK_TYPES([sighandler_t], [], [], [[#define _GNU_SOURCE +#include <signal.h>]]) # At least on freebsd, putc_unlocked is a macro, so the standard # AC_CHECK_FUNCS doesn't work well. -- 2.38.1
