From 866fe31912ec90900324d753ccb6fb116a91dcca Mon Sep 17 00:00:00 2001
From: Jens Petersen <juhpetersen@gmail.com>
Date: Mon, 5 Nov 2018 16:41:28 +0900
Subject: [PATCH] Revert "re-enable mpi-hs (#4068)"

This reverts commit 0f60ffb95b04de1eacbf7d6a5c2b760d788b7434.
---
 build-constraints.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index b123d87d..bfc72e84 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