From 17b114e27b5ec0853b2750829e14f36dd4499b1a Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Tue, 22 Nov 2022 09:52:31 +0100
Subject: [PATCH] configure.ac: Do not call undeclared exit function in
 __thread check

The missing prototype may cause this test to fail.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 120797e62d..d19093a95b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -63,7 +63,7 @@ AC_CACHE_CHECK([for __thread support], ac_cv___thread, [dnl
 AC_LINK_IFELSE([dnl
 AC_LANG_PROGRAM([[#undef __thread
 static __thread int a; int foo (int b) { return a + b; }]],
-		[[exit (foo (0));]])],
+		[[return foo (0);]])],
 	       ac_cv___thread=yes, ac_cv___thread=no)
 ])
 AS_IF([test "x$ac_cv___thread" != xno],