From f8938f517edc04a4984e3710f5afd2afbb05f1c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Mon, 16 Jan 2023 23:17:41 +0100
Subject: build: Avoid implicit 'int' return type in configure tests.

Fixes <https://bugs.gnu.org/60022>.
Reported by Florian Weimer <fweimer@redhat.com>.

* configure.ac: Add missing implicit 'int' return type in tests.
---
 configure.ac | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index f8c12f0d7..16030e2b3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -904,7 +904,7 @@ AC_CACHE_VAL(guile_cv_localtime_cache,
 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
 #include <stdlib.h>
 extern char **environ;
-unset_TZ ()
+int unset_TZ ()
 {
   char **from, **to;
   for (to = from = environ; (*to = *from); from++)
@@ -913,7 +913,7 @@ unset_TZ ()
 }
 char TZ_GMT0[] = "TZ=GMT0";
 char TZ_PST8[] = "TZ=PST8";
-main()
+int main()
 {
   time_t now = time ((time_t *) 0);
   int hour_GMT0, hour_unset;
-- 
cgit v1.2.1