From 6eb33543cbcae7a3bd10c1d2ae212c69c4b21dc0 Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Fri, 27 Jan 2023 10:20:13 +0100
Subject: [PATCH] configure: Fix C99 compatibility issue

Avoid calling the undeclared exit function.  This avoids a check
failure with a future compiler that does not support implicit
function declarations.
---
 nufxlib/configure    | 2 +-
 nufxlib/configure.in | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/nufxlib/configure b/nufxlib/configure
index 2895a5e..0709131 100755
--- a/nufxlib/configure
+++ b/nufxlib/configure
@@ -4033,7 +4033,7 @@ else
             int count;
             char buf[8];
             count = sprintf(buf, "123");    /* should return three */
-            exit(count != 3);
+            return count != 3;
         }
 
 _ACEOF
diff --git a/nufxlib/configure.in b/nufxlib/configure.in
index b197046..5a2b713 100644
--- a/nufxlib/configure.in
+++ b/nufxlib/configure.in
@@ -134,7 +134,7 @@ AC_CACHE_VAL(nufxlib_cv_sprintf_returns_int, [
             int count;
             char buf[8];
             count = sprintf(buf, "123");    /* should return three */
-            exit(count != 3);
+            return count != 3;
         }
     ],
     [nufxlib_cv_sprintf_returns_int=yes], [nufxlib_cv_sprintf_returns_int=no],