From 8ce1295ad35bd7286fd9be21d28b6d657673c64b Mon Sep 17 00:00:00 2001
From: Shea Levy <shea@shealevy.com>
Date: Sat, 2 Mar 2013 07:51:12 -0500
Subject: [PATCH] linux/manual-config: ignore nulls.

There's no need to set the postFixup env var at all if we're not modular.
---
 pkgs/os-specific/linux/kernel/manual-config.nix | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/pkgs/os-specific/linux/kernel/manual-config.nix b/pkgs/os-specific/linux/kernel/manual-config.nix
index 05132b8365b..6bbf6f55469 100644
--- a/pkgs/os-specific/linux/kernel/manual-config.nix
+++ b/pkgs/os-specific/linux/kernel/manual-config.nix
@@ -146,11 +146,13 @@ stdenv.mkDerivation {
       $installFlags "''${installFlagsArray[@]}"
   '');
 
-  postFixup = optionalString isModular ''
+  postFixup = if isModular then ''
     if [ -z "$dontStrip" ]; then
         find $out -name "*.ko" -print0 | xargs -0 -r strip -S
     fi
-  '';
+  '' else null;
+
+  __ignoreNulls = true;
 
   meta = {
     description = "The Linux kernel";