From b1a3424e7f8030361c2e4806920e60ec06c1d9e3 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Wed, 14 Dec 2022 14:21:11 +0900
Subject: build: Fix m4 macros for strict C compiler.

* m4/ax_cc_for_build.m4: Fix for no arg.
* m4/noexecstack.m4: Likewise.

--

Cherry-pick master commit of:
	e3b441214f93d8f61875b8223480e57afa2a3f10

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
---
 m4/ax_cc_for_build.m4 | 2 +-
 m4/noexecstack.m4     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/m4/ax_cc_for_build.m4 b/m4/ax_cc_for_build.m4
index c62ffadb..e49b7268 100644
--- a/m4/ax_cc_for_build.m4
+++ b/m4/ax_cc_for_build.m4
@@ -60,7 +60,7 @@ if test "x$cross_compiling" = "xno"; then
 else
   AC_CACHE_CHECK([for build system executable suffix], bfd_cv_build_exeext,
     [rm -f conftest*
-     echo 'int main () { return 0; }' > conftest.c
+     echo 'int main (void) { return 0; }' > conftest.c
      bfd_cv_build_exeext=
      ${CC_FOR_BUILD} -o conftest conftest.c 1>&5 2>&5
      for file in conftest.*; do
diff --git a/m4/noexecstack.m4 b/m4/noexecstack.m4
index ae0b26b8..85df0439 100644
--- a/m4/noexecstack.m4
+++ b/m4/noexecstack.m4
@@ -33,7 +33,7 @@ AC_MSG_RESULT($noexecstack_support)
 AC_CACHE_CHECK([whether assembler supports --noexecstack option],
 cl_cv_as_noexecstack, [dnl
   cat > conftest.c <<EOF
-void foo() {}
+void foo(void) {}
 EOF
   if AC_TRY_COMMAND([${CC} $CFLAGS $CPPFLAGS
                      -S -o conftest.s conftest.c >/dev/null]) \
-- 
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