Messages in this thread Patch in this message |  | | From | Florian Weimer <> | Subject | [PATCH] kmod: configure.ac: In _Noreturn check, include <stdlib.h> for exit | Date | Sat, 17 Dec 2022 17:52:34 +0100 |
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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
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