From d3ef216c54ad47bc7c96b3d82c1308e90d5c5fc3 Mon Sep 17 00:00:00 2001
From: Jude Taylor <me@jude.bio>
Date: Fri, 19 Jun 2015 12:56:12 -0700
Subject: [PATCH] darwin purity: libusb1

---
 pkgs/development/libraries/libusb1/default.nix | 6 ++++--
 pkgs/top-level/all-packages.nix                | 4 +++-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/libraries/libusb1/default.nix b/pkgs/development/libraries/libusb1/default.nix
index 884db2b3b25a..82e10eba331d 100644
--- a/pkgs/development/libraries/libusb1/default.nix
+++ b/pkgs/development/libraries/libusb1/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, udev ? null }:
+{ stdenv, fetchurl, pkgconfig, udev ? null, libobjc, IOKit }:
 
 stdenv.mkDerivation rec {
   name = "libusb-1.0.19";
@@ -9,7 +9,9 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [ pkgconfig ];
-  propagatedBuildInputs = stdenv.lib.optional stdenv.isLinux udev;
+  propagatedBuildInputs =
+    stdenv.lib.optional stdenv.isLinux udev ++
+    stdenv.lib.optionals stdenv.isDarwin [ libobjc IOKit ];
 
   NIX_LDFLAGS = stdenv.lib.optionalString stdenv.isLinux "-lgcc_s";
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 52f4b6a7538f..1bcca87b6787 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7210,7 +7210,9 @@ let
 
   libusb = callPackage ../development/libraries/libusb {};
 
-  libusb1 = callPackage ../development/libraries/libusb1 { };
+  libusb1 = callPackage ../development/libraries/libusb1 {
+    inherit (darwin) libobjc IOKit;
+  };
 
   libusbmuxd = callPackage ../development/libraries/libusbmuxd { };