From 691596086f8c082f25cc6e3cbd793db1578b12a0 Mon Sep 17 00:00:00 2001
From: Luke Adams <luke.adams@belljar.io>
Date: Sun, 3 Jun 2018 16:12:34 -0500
Subject: [PATCH] rtl-sdr: fix linking errors on Darwin

---
 pkgs/applications/misc/rtl-sdr/default.nix | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/pkgs/applications/misc/rtl-sdr/default.nix b/pkgs/applications/misc/rtl-sdr/default.nix
index 92e96a7fb5ee..bedfc563b1c0 100644
--- a/pkgs/applications/misc/rtl-sdr/default.nix
+++ b/pkgs/applications/misc/rtl-sdr/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchgit, cmake, pkgconfig, libusb1 }:
+{ stdenv, lib, fetchpatch, fetchgit, cmake, pkgconfig, libusb1 }:
 
 stdenv.mkDerivation rec {
   name = "rtl-sdr-${version}";
@@ -26,7 +26,13 @@ stdenv.mkDerivation rec {
     grep -q "Requires:" "$pcfile" && { echo "Upstream has added 'Requires:' in $(basename "$pcfile"); update nix expression."; exit 1; }
     echo "Requires: libusb-1.0" >> "$pcfile"
   '';
-
+  patches = lib.optionals stdenv.isDarwin [
+    (fetchpatch {
+      name = "linker-fix.patch";
+      url = "https://github.com/lukeadams/rtl-sdr/commit/7a66dcf268305b5aa507d1756799942c74549b72.patch";
+      sha256 = "0cn9fyf4ay4i3shvxj1ivgyxjvfm401irk560jdjl594nzadrcsl";
+    })
+  ];
   meta = with stdenv.lib; {
     description = "Turns your Realtek RTL2832 based DVB dongle into a SDR receiver";
     homepage = http://sdr.osmocom.org/trac/wiki/rtl-sdr;