From cba6e287660fedefc7c64c613bd86f5ebd27b2d6 Mon Sep 17 00:00:00 2001
From: Matthew Bauer <mjbauer95@gmail.com>
Date: Mon, 13 Mar 2017 13:23:41 -0500
Subject: [PATCH] hidapi: fix macos

---
 pkgs/development/libraries/hidapi/default.nix | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/hidapi/default.nix b/pkgs/development/libraries/hidapi/default.nix
index 07534ed63d7..80085759a76 100644
--- a/pkgs/development/libraries/hidapi/default.nix
+++ b/pkgs/development/libraries/hidapi/default.nix
@@ -1,4 +1,5 @@
-{ stdenv, fetchFromGitHub, autoreconfHook, pkgconfig, udev, libusb }:
+{ stdenv, fetchFromGitHub, autoreconfHook, pkgconfig, udev, libusb
+, darwin }:
 
 stdenv.mkDerivation rec {
   name = "hidapi-0.8.0-rc1";
@@ -10,7 +11,10 @@ stdenv.mkDerivation rec {
     sha256 = "13d5jkmh9nh4c2kjch8k8amslnxapa9vkqzrk1z6rqmw8qgvzbkj";
   };
 
-  buildInputs = [ autoreconfHook pkgconfig udev libusb ];
+  buildInputs = [ autoreconfHook pkgconfig ]
+    ++ stdenv.lib.optionals stdenv.isLinux [ udev libusb ];
+
+  propagatedBuildInputs = stdenv.lib.optionals stdenv.isDarwin (with darwin.apple_sdk.frameworks; [ IOKit Cocoa ]);
 
   meta = with stdenv.lib; {
     homepage = https://github.com/signal11/hidapi;