Add user @eschnett and package mpi-hs

build-constraints.yaml

@@ -8,6 +8,9 @@ cabal-format-version: "2.2"
 # Constraints for brand new builds
 packages:
 
+    "Erik Schnetter <schnetter@gmail.com> @eschnett": 
+        - mpi-hs
+
     "Yang Bo <pop.atry@gmail.com> @Atry":
         - control-dsl
 

debian-bootstrap.sh

@@ -99,6 +99,7 @@ apt-get install -y \
     liboath-dev \
     libnotify-dev \
     libopenal-dev \
+    libopenmpi-dev \
     libpango1.0-dev \
     libpcap0.8-dev \
     libpq-dev \