From 9ab5b14d5698c2cbbe1471475892e19d9085ebf9 Mon Sep 17 00:00:00 2001
From: Matthew Bauer <mjbauer95@gmail.com>
Date: Thu, 11 Aug 2016 22:18:38 -0500
Subject: [PATCH] genromfs: fix darwin build

---
 pkgs/tools/filesystems/genromfs/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/tools/filesystems/genromfs/default.nix b/pkgs/tools/filesystems/genromfs/default.nix
index db1968fccdc..7bf771803c6 100644
--- a/pkgs/tools/filesystems/genromfs/default.nix
+++ b/pkgs/tools/filesystems/genromfs/default.nix
@@ -10,7 +10,9 @@ stdenv.mkDerivation rec {
   };
 
   postPatch = ''
-    substituteInPlace Makefile --replace "prefix = /usr" "prefix = $out"
+    substituteInPlace Makefile \
+      --replace "prefix = /usr" "prefix = $out" \
+      --replace "gcc" "cc"
   '';
 
   meta = with stdenv.lib; {