From 6516c5a2d4a310014df3ccba04bcaa39b7b28b83 Mon Sep 17 00:00:00 2001
From: Glenn Strauss <gstrauss@gluelogic.com>
Date: Thu, 19 Jan 2023 17:57:32 -0500
Subject: [multiple] clang -Wstrict-prototypes for C2x

adjustments to compile warnings-free with recent clang changes that
warn about potential behavior change for non-prototypes, including
generic function pointers e.g. int(*)()

x-ref:
  https://discourse.llvm.org/t/rfc-enabling-wstrict-prototypes-by-default-in-c/60521
  https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2432.pdf
  https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2841.htm
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 7fcba4b3..8aa15dad 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1525,7 +1525,7 @@ if test "$ac_cv_func_sendfile" = yes; then
         #include <sys/types.h>
         #include <sys/socket.h>
         #include <sys/uio.h>
-        int main() {
+        int main(void) {
           int o = 0;
           if (-1 == sendfile(-1, 0, &o, 0) && errno == ENOSYS) return -1;
           return 0;
-- 
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