From f571bc19d32f53c0aebc9ccd976f69c01d3c5de7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Llu=C3=ADs=20Batlle=20i=20Rossell?=
 <viric@vicerveza.homeunix.net>
Date: Thu, 9 Sep 2010 17:48:11 +0000
Subject: [PATCH] Trick to make klibc build for what we may use it for, at
 least.

svn path=/nixpkgs/branches/stdenv-updates/; revision=23705
---
 pkgs/os-specific/linux/klibc/default.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pkgs/os-specific/linux/klibc/default.nix b/pkgs/os-specific/linux/klibc/default.nix
index 02641a5a16b..b8cd2b18bc7 100644
--- a/pkgs/os-specific/linux/klibc/default.nix
+++ b/pkgs/os-specific/linux/klibc/default.nix
@@ -16,6 +16,15 @@ stdenv.mkDerivation {
   };
 
   patches = [ ./make382.patch ];
+
+  # Trick to make this build on nix. It expects to have the kernel sources
+  # instead of only the linux kernel headers.
+  # So it cannot run the 'make headers_install' it wants to run.
+  # We don't install the headers, so klibc will not be useful as libc, but
+  # usually in nixpkgs we only use the userspace tools comming with klibc.
+  prePatch = ''
+    sed -i -e /headers_install/d scripts/Kbuild.install
+  '';
   
   makeFlags = baseMakeFlags;