From 195800e8816a53d5faafde4a0990a904dbac2510 Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Mon, 16 Jun 2014 14:26:40 -0700
Subject: [PATCH] Do not use static-libgcc flag on Darwin

---
 pkgs/development/libraries/zlib/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/zlib/default.nix b/pkgs/development/libraries/zlib/default.nix
index 088eb1b94930..f45c18dd0f14 100644
--- a/pkgs/development/libraries/zlib/default.nix
+++ b/pkgs/development/libraries/zlib/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   # As zlib takes part in the stdenv building, we don't want references
   # to the bootstrap-tools libgcc (as uses to happen on arm/mips)
-  NIX_CFLAGS_COMPILE = "-static-libgcc";
+  NIX_CFLAGS_COMPILE = stdenv.lib.optionalString (!stdenv.isDarwin) "-static-libgcc";
 
   crossAttrs = {
     dontStrip = static;