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