From fbc66c03ad3a8e533139328b506ebb91e8c2af3b Mon Sep 17 00:00:00 2001
From: Ryan Newton <rrnewton@gmail.com>
Date: Mon, 2 May 2016 17:20:43 -0400
Subject: [PATCH] Add pkgconfig to work around commercialhaskell/stack#2089

---
 stack.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stack.yaml b/stack.yaml
index b2c0e67..91dca3c 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -21,7 +21,7 @@ nix:
   enable: true
   # Manually include git to work around a bug in stack/nix integration.
   # Missing a comma here makes for a terrible error message [2016.05.02]:
-  packages: [ hpx, git ]
+  packages: [ hpx, git, pkgconfig ]
   # Use a specific tag of a specific NixPkgs:
   path:  ["nixpkgs=https://github.com/iu-parfunc/nixpkgs/archive/tag-hpx-2.2.0-nixpkgs-16.03.tar.gz"]
   # Or use a branch, but that's more likely impure: