From e729dfbd3f63f1a840e0f6bc02cb6dde804b2091 Mon Sep 17 00:00:00 2001
From: Shea Levy <shea@shealevy.com>
Date: Fri, 13 Mar 2015 12:47:11 -0400
Subject: [PATCH] gcc-4.9: Set isGNU

Fixes #6787
---
 pkgs/development/compilers/gcc/4.9/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/compilers/gcc/4.9/default.nix b/pkgs/development/compilers/gcc/4.9/default.nix
index 02747d90567..7de8a140c0a 100644
--- a/pkgs/development/compilers/gcc/4.9/default.nix
+++ b/pkgs/development/compilers/gcc/4.9/default.nix
@@ -475,7 +475,7 @@ stdenv.mkDerivation ({
     else null;
 
   passthru =
-    { inherit langC langCC langAda langFortran langVhdl langGo enableMultilib version; };
+    { inherit langC langCC langAda langFortran langVhdl langGo enableMultilib version; isGNU = true; };
 
   inherit enableParallelBuilding;