From 21b2bc74b2dcd10e97ee3cf75e191912f951c406 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Llu=C3=ADs=20Batlle=20i=20Rossell?=
 <viric@vicerveza.homeunix.net>
Date: Tue, 8 Dec 2009 19:42:18 +0000
Subject: [PATCH] The bison elf may call m4 (I saw that building binutils'
 gold).

svn path=/nixpkgs/branches/stdenv-updates/; revision=18845
---
 pkgs/development/tools/parsing/bison/bison-2.3.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/tools/parsing/bison/bison-2.3.nix b/pkgs/development/tools/parsing/bison/bison-2.3.nix
index 7ebdb863d58..fcf4ed10795 100644
--- a/pkgs/development/tools/parsing/bison/bison-2.3.nix
+++ b/pkgs/development/tools/parsing/bison/bison-2.3.nix
@@ -8,7 +8,9 @@ stdenv.mkDerivation {
     url = mirror://gnu/bison/bison-2.3.tar.bz2;
     md5 = "c18640c6ec31a169d351e3117ecce3ec";
   };
+
   buildNativeInputs = [m4];
+  propagatedBuildInputs = [m4];
 
   meta = {
     description = "GNU Bison, a Yacc-compatible parser generator";