From f7c2890a96b8b684e1a8c21cddf10f0ad1ba45a5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20D=C3=ADaz?= <dhelta.diaz@gmail.com>
Date: Sun, 29 May 2016 13:46:56 -0400
Subject: [PATCH] Added matrix back, now compatible with GHC-8.

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index e88a623f..38731472 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -440,7 +440,7 @@ packages:
         # fails see #885
         #- hatex-guide
         - include-file
-        # GHC 8 - matrix
+        - matrix
         - pcre-light
         - phantom-state
         - post-mess-age