From d97fad20366e95c96336de34c066a37ec2baf592 Mon Sep 17 00:00:00 2001
From: Arjun Shankar <arjun@redhat.com>
Date: Fri, 24 Mar 2023 14:10:43 +0100
Subject: [PATCH] configure: Fix an "implicit int" warning

configure defines a main function without a return type, leading to a
-Wimplicit-int warning (enabled by default in C99 and later dialects).
This commit fixes that.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index b59d0751..ca8ecee3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -390,7 +390,7 @@ void foo(const char *format, ...) {
 
        exit(0);
 }
-main() { foo("hello\n"); }
+int main() { foo("hello\n"); }
 ]])],[el_cv_HAVE_C99_VSNPRINTF=yes],[el_cv_HAVE_C99_VSNPRINTF=no],[el_cv_HAVE_C99_VSNPRINTF=cross])])
 if test x"$el_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
 	EL_DEFINE(HAVE_C99_VSNPRINTF, [C99 compliant vsnprintf()])