fixup: try mpich

Author: streeve

docker/ubuntu

@@ -14,7 +14,6 @@ RUN apt-get update \
     emacs \
     wget \
     libssl-dev \
-    flex \
 && apt-get clean \
 && rm -rf /var/lib/apt/lists/*
 
@@ -34,10 +33,12 @@ ENV PYTHONPATH=${PYTHONPATH}:${MYNA_DIR}
 
 # What we want to install and how we want to install it
 # is specified in a manifest file (spack.yaml)
+# mpich added because of issues with openmpi
 RUN mkdir -p /opt/spack-environment && \
 set -o noclobber \
 &&  (echo spack: \
 &&   echo '  specs:' \
+&&   echo '  - [email protected]' \
 &&   echo '  - exaca@master' \
 &&   echo '  - additivefoam@main' \
 &&   echo '  concretizer:' \