From eab5ff59f67ba690894d08408a01296a9197079e Mon Sep 17 00:00:00 2001
From: Spencer Whitt <sw@swhitt.me>
Date: Wed, 8 Apr 2015 01:41:58 -0400
Subject: [PATCH] tor: fix for Darwin

---
 pkgs/tools/security/tor/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/tools/security/tor/default.nix b/pkgs/tools/security/tor/default.nix
index db3fe3197fa5..9677cc1f1046 100644
--- a/pkgs/tools/security/tor/default.nix
+++ b/pkgs/tools/security/tor/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   # ./configure time check for any of this.
   buildInputs = [ libevent openssl zlib torsocks ];
 
-  CFLAGS = "-lgcc_s";
+  CFLAGS = stdenv.lib.optionalString (stdenv.cc.cc.isGNU or false) "-lgcc_s";
 
   # Patch 'torify' to point directly to torsocks.
   patchPhase = ''
@@ -43,6 +43,6 @@ stdenv.mkDerivation rec {
 
     maintainers = with stdenv.lib.maintainers;
       [ phreedom doublec thoughtpolice ];
-    platforms = stdenv.lib.platforms.gnu;  # arbitrary choice
+    platforms = stdenv.lib.platforms.unix;
   };
 }