From 13f045457f08e349d6bb3f3e98a3b59c73f32bbc Mon Sep 17 00:00:00 2001
From: Sam James <sam@gentoo.org>
Date: Sun, 2 Oct 2022 23:34:05 +0100
Subject: [PATCH] Fix build with Clang 16

Bug: https://lists.gnu.org/archive/html/bug-global/2021-02/msg00012.html
Bug: https://bugs.gentoo.org/870988
--- a/configure.ac
+++ b/configure.ac
@@ -74,7 +74,8 @@ case "$host_os" in
 AC_MSG_CHECKING(whether POSIX.1-2008 realpath is equipped)
 AC_CACHE_VAL(ac_cv_posix1_2008_realpath,
 [AC_RUN_IFELSE([AC_LANG_SOURCE([[
-main(){ (void)realpath("/./tmp", (void *)0); return 0; }
+#include <stdlib.h>
+int main(){ (void)realpath("/./tmp", (void *)0); return 0; }
 ]])],[ac_cv_posix1_2008_realpath=yes],
 [ac_cv_posix1_2008_realpath=no])])
 AC_MSG_RESULT($ac_cv_posix1_2008_realpath)