From 0d82c7ec181bb4a0ef6482fd04a1ee66fc577124 Mon Sep 17 00:00:00 2001
From: Austin Seipp <aseipp@pobox.com>
Date: Wed, 6 Dec 2017 22:16:07 -0600
Subject: [PATCH] nixpkgs: add pkgconfig to icestorm nativeBuildInputs

This helps iceprog find libftdi appropriately on its own, without a
bunch of gross errors in the build process (which should not be a
problem, but may *look* like one!)

Signed-off-by: Austin Seipp <aseipp@pobox.com>
---
 pkgs/development/tools/icestorm/default.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/tools/icestorm/default.nix b/pkgs/development/tools/icestorm/default.nix
index d330ad5d548..20f5f8d17e8 100644
--- a/pkgs/development/tools/icestorm/default.nix
+++ b/pkgs/development/tools/icestorm/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, python3, libftdi }:
+{ stdenv, fetchFromGitHub, python3, libftdi, pkgconfig }:
 
 stdenv.mkDerivation rec {
   name = "icestorm-${version}";
@@ -11,6 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "18qy7gylnydgzmqry1b4r0ilm6lkjdcyn0wj03syxdig9dbjiacm";
   };
 
+  nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ python3 libftdi ];
   preBuild = ''
     makeFlags="PREFIX=$out $makeFlags"