From 8fe8fd2b17291b995e2cc1671a1303d6a15d4cb4 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Mon, 5 Aug 2013 09:28:44 +0200
Subject: Revert "configure: don't error out on variable confusions, just warn"

This reverts commit 6b27703b5f525eccdc0a8409f51de8595c75132a.
---
 m4/xc-val-flgs.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'm4')

diff --git a/m4/xc-val-flgs.m4 b/m4/xc-val-flgs.m4
index 61098e009..36b432c93 100644
--- a/m4/xc-val-flgs.m4
+++ b/m4/xc-val-flgs.m4
@@ -209,7 +209,7 @@ AC_DEFUN([XC_CHECK_USER_FLAGS], [
      test $xc_bad_var_cflags = yes ||
      test $xc_bad_var_ldflags = yes ||
      test $xc_bad_var_cppflags = yes; then
-     AC_MSG_WARN([One or more of these variables may cause build problems!])
+     AC_MSG_ERROR([Can not continue. Fix errors mentioned immediately above this line.])
   fi
 ])
 
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