From 82d2960f15942bdf8594a400d70ca907e5b23647 Mon Sep 17 00:00:00 2001
From: Luca Bruno <lethalman88@gmail.com>
Date: Wed, 15 Jul 2015 10:29:51 +0200
Subject: [PATCH] libusb1: fix on darwin

---
 pkgs/development/libraries/libusb1/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/libusb1/default.nix b/pkgs/development/libraries/libusb1/default.nix
index 160e53714fb1..5fb9d5460ac7 100644
--- a/pkgs/development/libraries/libusb1/default.nix
+++ b/pkgs/development/libraries/libusb1/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   NIX_LDFLAGS = stdenv.lib.optionalString stdenv.isLinux "-lgcc_s";
 
-  preFixup = ''
+  preFixup = stdenv.lib.optionalString stdenv.isLinux ''
     sed 's,-ludev,-L${udev}/lib -ludev,' -i $out/lib/libusb-1.0.la
   '';