From 46ab7db108468544f90d74aa1d47b75b23d07727 Mon Sep 17 00:00:00 2001
From: Jude Taylor <me@jude.bio>
Date: Fri, 31 Jul 2015 11:35:35 -0700
Subject: [PATCH] remove useless CFLAGS_FOR_BUILD from configure flags in gcc

---
 pkgs/development/compilers/gcc/4.9/default.nix | 1 -
 1 file changed, 1 deletion(-)

diff --git a/pkgs/development/compilers/gcc/4.9/default.nix b/pkgs/development/compilers/gcc/4.9/default.nix
index 7e6c4a5fe4f..1e27546af63 100644
--- a/pkgs/development/compilers/gcc/4.9/default.nix
+++ b/pkgs/development/compilers/gcc/4.9/default.nix
@@ -303,7 +303,6 @@ stdenv.mkDerivation ({
     configureFlagsArray+=(
       --with-sysroot="${stdenv.libc}"
       --with-native-system-header-dir=/include
-      CFLAGS_FOR_BUILD=
     )
   '';