MPI gotcha updates (#20)

* MPI gotcha updates

* Release script updates

- build for ubuntu focal and bionic
- use OpenMPI for OMNITRACE_USE_MPI_HEADERS

* build-release.sh updates

docker/build-docker.sh

@@ -1,8 +1,17 @@
 #!/usr/bin/env bash
 
 : ${ROCM_VERSIONS:="4.5 4.3 4.3.1"}
+: ${DISTRO:=ubuntu}
+: ${VERSIONS:=20.04 18.04}
 
-for i in ${ROCM_VERSIONS}
+set -e
+
+if [ ! -f Dockerfile ]; then cd docker; fi
+
+for VERSION in ${VERSIONS}
 do
-    docker build . --tag jrmadsen/omnitrace-base-rocm-${i} --build-arg ROCM_REPO_VERSION=${i}
+    for i in ${ROCM_VERSIONS}
+    do
+        docker build . --tag jrmadsen/omnitrace-${DISTRO}-${VERSION}-rocm-${i} --build-arg DISTRO=${DISTRO} --build-arg VERSION=${VERSION} --build-arg ROCM_REPO_VERSION=${i}
+    done
 done