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From: Florian Weimer <fweimer@redhat.com>
To: linux-modules@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] kmod: configure.ac: In _Noreturn check, include <stdlib.h> for exit
Date: Sat, 17 Dec 2022 17:52:34 +0100	[thread overview]
Message-ID: <877cyq6kh9.fsf@oldenburg.str.redhat.com> (raw)

Otherwise, an implicit functiona declaration is used, causing
a C99 compatibility issue.

Signed-off-by: Florian Weimer <fweimer@redhat.com>

---
 configure.ac | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 6989e93..12e0518 100644
--- 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])])

base-commit: 6c5f2f13689e6a4668f87171752d7818bed4b602


             reply	other threads:[~2022-12-17 16:53 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-17 16:52 Florian Weimer [this message]
2022-12-26 17:38 ` [PATCH] kmod: configure.ac: In _Noreturn check, include <stdlib.h> for exit Lucas De Marchi

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