From b53f6b9dd02573090dee8538ab7e88848759882f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Mon, 23 Apr 2012 16:28:06 +0000
Subject: [PATCH] GCC 4.6: Don't bail out when `gnused' isn't provided.

svn path=/nixpkgs/trunk/; revision=33896
---
 pkgs/development/compilers/gcc/4.6/default.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/compilers/gcc/4.6/default.nix b/pkgs/development/compilers/gcc/4.6/default.nix
index f1e4991f6c1..3955455df4c 100644
--- a/pkgs/development/compilers/gcc/4.6/default.nix
+++ b/pkgs/development/compilers/gcc/4.6/default.nix
@@ -28,7 +28,7 @@
 , gnat ? null
 , libpthread ? null, libpthreadCross ? null  # required for GNU/Hurd
 , stripped ? true
-, gnused
+, gnused ? null
 }:
 
 assert langJava     -> zip != null && unzip != null
@@ -40,6 +40,9 @@ assert langVhdl     -> gnat != null;
 # LTO needs libelf and zlib.
 assert libelf != null -> zlib != null;
 
+# Make sure we get GNU sed.
+assert stdenv.isDarwin -> gnused != null;
+
 with stdenv.lib;
 with builtins;