From 6a708a9007b92f95fa1f38d7aeecbadc2abb41f6 Mon Sep 17 00:00:00 2001
From: Dan Burton <danburton.email@gmail.com>
Date: Sun, 28 Oct 2018 22:34:39 -0400
Subject: [PATCH] Revert "Attempt to unblock mpi-hs"

This reverts commit 6878cf8551f7b13f69a3e04469f74a66f9ac3414.
---
 build-constraints.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8838ee2b..75dd450e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -9,7 +9,7 @@ cabal-format-version: "2.2"
 packages:
 
     "Erik Schnetter <schnetter@gmail.com> @eschnett":
-        - mpi-hs
+        - mpi-hs < 0 # https://github.com/commercialhaskell/stackage/issues/4068
 
     "Yang Bo <pop.atry@gmail.com> @Atry":
         - control-dsl