From 0b2127e6d1c87f540897550504e6e7d2cbd098ba Mon Sep 17 00:00:00 2001
From: Tadas Barzdzius <tadas@barzdzius.lt>
Date: Fri, 6 Jan 2017 22:15:02 +0200
Subject: [PATCH] python-gyp: fix darwin build without xcode or CLT

---
 pkgs/top-level/python-packages.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 60fff564add..9e3df6c4966 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -12387,6 +12387,10 @@ in {
       sha256 = "1imgxsl4mr1662vsj2mlnpvvrbz71yk00w8p85vi5bkgmc6awgiz";
     };
 
+    prePatch = optionals pkgs.stdenv.isDarwin ''
+      sed -i 's/raise.*No Xcode or CLT version detected.*/version = "7.0.0"/' pylib/gyp/xcode_emulation.py
+    '';
+
     patches = optionals pkgs.stdenv.isDarwin [
       ../development/python-modules/gyp/no-darwin-cflags.patch
     ];