From 2a710543968b6710368d53dbff350d2d23e08268 Mon Sep 17 00:00:00 2001
From: Matt Turner <mattst88@gmail.com>
Date: Mon, 1 Oct 2012 13:28:51 -0700
Subject: build: Use AX_PROG_FLEX

Tested-by: Andreas Boll <andreas.boll.dev@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=47248
---
 configure.ac | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 70599e1d33e..e769edadb78 100644
--- a/configure.ac
+++ b/configure.ac
@@ -59,7 +59,9 @@ LT_INIT([disable-static])
 AX_PROG_BISON([],
               AS_IF([test ! -f "$srcdir/src/glsl/glcpp/glcpp-parse.c"]
                     [AC_MSG_ERROR([bison not found - unable to compile glcpp-parse.y])]))
-AC_PROG_LEX
+AX_PROG_FLEX([],
+             AS_IF([test ! -f "$srcdir/src/glsl/glcpp/glcpp-lex.c"]
+                   [AC_MSG_ERROR([flex not found - unable to compile glcpp-lex.l])]))
 
 AC_PATH_PROG([PERL], [perl])
 
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