From 8686ca62783e501dfbd49a2048e41e50348e6ecc Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Thu, 6 Oct 2011 13:15:02 +0000
Subject: [PATCH] btrfsprogs: override -Werror option in CFLAGS to fix build
 errors with GCC 4.6.1

svn path=/nixpkgs/trunk/; revision=29693
---
 pkgs/tools/filesystems/btrfsprogs/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/tools/filesystems/btrfsprogs/default.nix b/pkgs/tools/filesystems/btrfsprogs/default.nix
index 2a5574a829e..75c3644f2df 100644
--- a/pkgs/tools/filesystems/btrfsprogs/default.nix
+++ b/pkgs/tools/filesystems/btrfsprogs/default.nix
@@ -18,7 +18,7 @@ rec {
 
   inherit buildInputs;
   configureFlags = [];
-  makeFlags = ["prefix=$out"];
+  makeFlags = ["prefix=$out CFLAGS=-Os"];
 
   patches = [ ./glibc212.patch ];
   phaseNames = ["doPatch" "doEnsureBtrfsImage" "doMakeInstall"];