$NetBSD: patch-configure,v 1.1 2024/06/18 11:48:40 markd Exp $

    Fixes:
    
    conftest.c:124:33: error: implicitly declaring library function 'exit'
    with type 'void (int) __attribute__((noreturn))'

From fedora.

--- configure.orig	2022-03-14 14:29:38.000000000 +0000
+++ configure
@@ -19223,6 +19223,7 @@ else
   gq_cv_have_tm_gmtoff=no
                 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
+#include <stdlib.h>
 #include <time.h>
                                 #include <$ac_cv_struct_tm>
 
@@ -19255,6 +19256,7 @@ else
   gq_cv_have___tm_gmtoff=no
                 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
+#include <stdlib.h>
 #include <time.h>
                                 #include <$ac_cv_struct_tm>