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https://github.com/kmod-project/kmod/commit/035e6667d1ace2fd77ef36f5e5d93cd4b1e128a2
From 035e6667d1ace2fd77ef36f5e5d93cd4b1e128a2 Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Sat, 17 Dec 2022 17:52:34 +0100
Subject: [PATCH] kmod: configure.ac: In _Noreturn check, include <stdlib.h>
for exit
Otherwise, an implicit functiona declaration is used, causing
a C99 compatibility issue.
Signed-off-by: Florian Weimer <fweimer@redhat.com>
Signed-off-by: Lucas De Marchi <lucas.de.marchi@gmail.com>
--- a/configure.ac
+++ b/configure.ac
@@ -68,7 +68,8 @@ AC_COMPILE_IFELSE(
AC_MSG_CHECKING([whether _Noreturn is supported])
AC_COMPILE_IFELSE(
- [AC_LANG_SOURCE([[_Noreturn int foo(void) { exit(0); }]])],
+ [AC_LANG_SOURCE([[#include <stdlib.h>
+ _Noreturn int foo(void) { exit(0); }]])],
[AC_DEFINE([HAVE_NORETURN], [1], [Define if _Noreturn is available])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
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