From 41c621e5d8dde2be654409249da04ca14eb71df2 Mon Sep 17 00:00:00 2001
From: Christian Bauer <Christian.Bauer@uni-mainz.de>
Date: Tue, 31 Jul 2001 19:30:34 +0000
Subject: [PATCH] exit() is in stdlib.h

---
 acinclude.m4 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/acinclude.m4 b/acinclude.m4
index 12350184..0433f778 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -14,6 +14,7 @@ AC_DEFUN(GINAC_LIB_READLINE_VERSION,
 [AC_CACHE_CHECK([for version of libreadline], ginac_cv_rlversion, [
 AC_TRY_RUN([
 #include <stdio.h>
+#include <stdlib.h>
 #include <sys/types.h>
 #include <readline/readline.h>
 
-- 
2.45.1