From f4b2ec4b58cdc23dbc494510709cdacd71d5db22 Mon Sep 17 00:00:00 2001
From: David Guibert <david.guibert@gmail.com>
Date: Tue, 16 Aug 2011 21:13:20 +0000
Subject: [PATCH] fix nixpkgs tarball.

Not all systems have glibc into stdenv but mpich needs to propagate
it (because when linking pthread and rt librairies are required).

svn path=/nixpkgs/trunk/; revision=28623
---
 pkgs/development/libraries/mpich2/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/mpich2/default.nix b/pkgs/development/libraries/mpich2/default.nix
index 06bb08cd9609..967abe500e26 100644
--- a/pkgs/development/libraries/mpich2/default.nix
+++ b/pkgs/development/libraries/mpich2/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
   configureFlags = "--enable-shared --enable-sharedlib";
 
   buildInputs = [ python perl gfortran ];
-  propagatedBuildInputs = [ stdenv.glibc ];
+  propagatedBuildInputs = stdenv.lib.optional (stdenv ? glibc) [ stdenv.glibc ];
 
   patchPhase =
     '' for i in $(find -type f -not -name Makefile.\*)