From 3e39cda4d6b3e462accdb1cf19e36f048cc02659 Mon Sep 17 00:00:00 2001
From: Benoit Pierre <benoit.pierre@gmail.com>
Date: Sun, 10 Sep 2023 06:26:14 +0200
Subject: [PATCH] configure: fix `HAVE_TIME_T_UNSIGNED` check

The syntax was incorrect (need a proper main body), and the test
condition was wrong (resulting in a signed `time_t` detected as
unsigned).

Closes #11825
---
 configure.ac | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 5c57b41d0b..15fbda12ad 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3569,8 +3569,10 @@ CURL_RUN_IFELSE(
   [
   #include <time.h>
   #include <limits.h>
-  time_t t = -1;
-  return (t > 0);
+  int main(void) {
+    time_t t = -1;
+    return (t < 0);
+  }
   ],[
   AC_MSG_RESULT([yes])
   AC_DEFINE(HAVE_TIME_T_UNSIGNED, 1, [Define this if time_t is unsigned])
-- 
2.47.3