From 6850fade651db495ed4f6c6ab27fdfa18ddc108c Mon Sep 17 00:00:00 2001
From: Ben Gamari <ben@smart-cactus.org>
Date: Thu, 8 Nov 2018 16:57:08 -0500
Subject: [PATCH] Use pkgconfig to find zlib

This makes library discovery significantly easier in some environments.
---
 digest.cabal | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/digest.cabal b/digest.cabal
index eaea373..f06b790 100644
--- a/digest.cabal
+++ b/digest.cabal
@@ -42,6 +42,6 @@ library
   includes:        zlib.h
   ghc-options:     -Wall
   if !os(windows)
-    extra-libraries: z
+    pkgconfig-depends: zlib
   else
     build-depends: zlib