From 013d8e5e3aef71903105ff8b699c9a9fbe03ff85 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Thu, 12 Feb 2009 22:03:32 +0000
Subject: [PATCH] * Fix building on Darwin.

svn path=/nixpkgs/branches/stdenv-updates/; revision=14061
---
 pkgs/tools/text/gnugrep/default.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/tools/text/gnugrep/default.nix b/pkgs/tools/text/gnugrep/default.nix
index 67099a01e90f..4f44d61108ed 100644
--- a/pkgs/tools/text/gnugrep/default.nix
+++ b/pkgs/tools/text/gnugrep/default.nix
@@ -1,6 +1,7 @@
 {stdenv, fetchurl, pcre}:
 
 let version = "2.5.4"; in
+
 stdenv.mkDerivation {
   name = "gnugrep-${version}";
   
@@ -13,6 +14,12 @@ stdenv.mkDerivation {
 
   doCheck = true;
 
+  # On Mac OS X, force use of mkdir -p, since Grep's fallback
+  # (./install-sh) is broken.
+  preConfigure = ''
+    export MKDIR_P="mkdir -p"
+  '';
+
   meta = {
     homepage = http://www.gnu.org/software/grep/;
     description = "GNU implementation of the Unix grep command";