From 2da7f32b2527df7f8535c6502588da8b35460b68 Mon Sep 17 00:00:00 2001
From: "Jason \"Don\" O'Conal" <lovek323@gmail.com>
Date: Thu, 4 Jul 2013 19:13:36 +1000
Subject: [PATCH] install_name_tool: add expression

---
 .../darwin/install_name_tool/default.nix      | 29 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  2 ++
 pkgs/top-level/python-packages.nix            |  3 +-
 3 files changed, 33 insertions(+), 1 deletion(-)
 create mode 100644 pkgs/os-specific/darwin/install_name_tool/default.nix

diff --git a/pkgs/os-specific/darwin/install_name_tool/default.nix b/pkgs/os-specific/darwin/install_name_tool/default.nix
new file mode 100644
index 00000000000..6a7e6caaa26
--- /dev/null
+++ b/pkgs/os-specific/darwin/install_name_tool/default.nix
@@ -0,0 +1,29 @@
+{ stdenv }:
+
+assert stdenv.isDarwin;
+
+stdenv.mkDerivation {
+  name = "install_name_tool";
+  src = "/usr/bin/install_name_tool";
+  unpackPhase = "true";
+  configurePhase = "true";
+  buildPhase = "true";
+
+  installPhase = ''
+    mkdir -p "$out"/bin
+    ln -s "$src" "$out"/bin
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Change dynamic shared library install names";
+    homepage    = https://developer.apple.com/library/mac/documentation/Darwin/Reference/Manpages/man1/install_name_tool.1.html;
+    maintainers = with maintainers; [ lovek323 ];
+    platforms   = platforms.darwin;
+
+    longDescription = ''
+      Install_name_tool changes the dynamic shared library install names and or
+      adds, changes or deletes the rpaths recorded in a Mach-O binary.
+    '';
+  };
+}
+
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6a85db38225..e7ff0d7b047 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -444,6 +444,8 @@ let
 
   apg = callPackage ../tools/security/apg { };
 
+  install_name_tool = callPackage ../os-specific/darwin/install_name_tool { };
+
   xcodeenv = callPackage ../development/mobile/xcodeenv { };
 
   titaniumenv_2_1 = import ../development/mobile/titaniumenv {
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index cba57b16739..9f4a2780301 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6190,7 +6190,8 @@ pythonPackages = python.modules // rec {
       sha256 = "1rvgrviwn6f037m8vq395chz6a1119dbsdhfwdbv5ambi0bak6ll";
     };
   
-    buildInputs = [ pkgs.libspotify ];
+    buildInputs = [ pkgs.libspotify ]
+      ++ stdenv.lib.optional stdenv.isDarwin pkgs.install_name_tool;
   
     # python zip complains about old timestamps
     preConfigure = ''