From 4c21c016c578ced9d612ea3040ea225e57c477ec Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Thu, 24 Jun 2010 17:51:19 +0000
Subject: [PATCH] configure.ac: make flex and bison required programs

The build fails if these tools aren't available.
---
 configure.ac | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 8d3f308d7..079521fe5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -155,8 +155,8 @@ NEED_PROG(patch, patch)
 AC_PATH_PROG(xmllint, xmllint, false)
 AC_PATH_PROG(xsltproc, xsltproc, false)
 AC_PATH_PROG(w3m, w3m, false)
-AC_PATH_PROG(flex, flex, false)
-AC_PATH_PROG(bison, bison, false)
+NEED_PROG(flex, flex)
+NEED_PROG(bison, bison)
 NEED_PROG(perl, perl)
 NEED_PROG(sed, sed)
 NEED_PROG(tar, tar)