diff --git a/packages/mpi/openmpi/openmpi-4.0.3rc3 b/packages/mpi/openmpi/openmpi-4.0.3rc3
new file mode 100755
index 0000000..6b4bf2c
--- /dev/null
+++ b/packages/mpi/openmpi/openmpi-4.0.3rc3
@@ -0,0 +1,38 @@
+#!/bin/sh
+# sit class file
+#
+# Christoph Niethammer <niethammer@hlrs.de> (C) 2020
+#
+
+CATEGORY="mpi"
+PACKAGE="openmpi"
+VERSION="4.0.3rc3"
+URL="http://www.open-mpi.org"
+INSTALLER="Christoph Niethammer <niethammer@hlrs.de>"
+
+# Archive A and package name P
+A="$PACKAGE-$VERSION.tar.bz2"
+P="$PACKAGE-$VERSION"
+HASH_MD5=
+HASH_SHA1=
+
+# Other interesting configure options:
+# --enable-mpi-threads
+# --enable-progress-threads
+# --enable-mpi-fortran=usempif08 \
+# --with-devel-headers \
+# --enable-contrib-no-build=vt
+CONFIGURE_OPTS="
+        --enable-shared \
+        --enable-static \
+	--enable-mpi-thread-multiple \
+        "
+
+if [ ! -z "$UCX_DIR" ]
+then
+    CONFIGURE_OPTS+=" --with-ucx=$UCX_DIR"
+fi
+
+src_pretest() {
+    make check
+}