From ed1ca3928dedf664bb33a34e9ec86aff07e76de1 Mon Sep 17 00:00:00 2001
From: Eric Seidel <gridaphobe@gmail.com>
Date: Thu, 15 Jan 2015 13:36:01 -0800
Subject: [PATCH] don't use cpphs by default on darwin

---
 pkgs/development/haskell-modules/generic-builder.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/haskell-modules/generic-builder.nix b/pkgs/development/haskell-modules/generic-builder.nix
index 7290bb947e15..c0c3be07df30 100644
--- a/pkgs/development/haskell-modules/generic-builder.nix
+++ b/pkgs/development/haskell-modules/generic-builder.nix
@@ -40,7 +40,7 @@
 , checkPhase ? "", preCheck ? "", postCheck ? ""
 , preFixup ? "", postFixup ? ""
 , coreSetup ? false # Use only core packages to build Setup.hs.
-, useCpphs ? stdenv.isDarwin
+, useCpphs ? false
 }:
 
 assert pkgconfigDepends != [] -> pkgconfig != null;