From db3d15b0ad40c1edd989b2e3f41058e440ab1edf Mon Sep 17 00:00:00 2001
From: Alexey Zabelin <hello@alexeyzabelin.com>
Date: Mon, 21 Jan 2019 11:24:49 -0800
Subject: [PATCH] Revert re-enabling mpi-hs, #4068

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index e6f82dd5..0a5aac38 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -42,7 +42,7 @@ packages:
         - modular
 
     "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