From 1c78aa3541f730e9624504168fb0e1f413e5cbb8 Mon Sep 17 00:00:00 2001 From: Thomas Petazzoni Date: Fri, 2 Aug 2024 19:28:36 +0200 Subject: [PATCH] m4/ccforbuild.m4: include in test program The GMP_PROG_CC_FOR_BUILD_WORKS and GMP_PROG_EXEEXT_FOR_BUILD macros do various checks to verify if the host compiler works, but their test programs lack the inclusion of , needed for exit(). This causes a build failure with gcc 14.x: conftest.c: In function 'main': conftest.c:4:3: error: implicit declaration of function 'exit' [-Wimplicit-function-declaration] 4 | exit(0); which then causes the configure script to think that the host compiler does not work: configure: error: Specified CC_FOR_BUILD doesn't seem to work so let's include to fix this issue. Upstream: https://sourceforge.net/p/bcusdk/patches/4/ Signed-off-by: Thomas Petazzoni --- m4/ccforbuild.m4 | 2 ++ 1 file changed, 2 insertions(+) diff --git a/m4/ccforbuild.m4 b/m4/ccforbuild.m4 index a466cab..389deaa 100644 --- a/m4/ccforbuild.m4 +++ b/m4/ccforbuild.m4 @@ -66,6 +66,7 @@ AC_DEFUN([GMP_PROG_CC_FOR_BUILD_WORKS], # remove anything that might look like compiler output to our "||" expression rm -f conftest* a.out b.out a.exe a_out.exe cat >conftest.c < int main () { @@ -140,6 +141,7 @@ AC_DEFUN([GMP_PROG_EXEEXT_FOR_BUILD], AC_CACHE_CHECK([for build system executable suffix], gmp_cv_prog_exeext_for_build, [cat >conftest.c < int main () { -- 2.45.2