Tumbleweed no longer has MPI env-variables by default

elpa.spec

@@ -191,6 +191,10 @@ that use %{name}_openmp.
 %if %{defined fedora}
 module load mpi/openmpi-%{_arch}
 %endif
+%if %{defined suse_version}
+. %{_libdir}/mpi/gcc/openmpi/bin/mpivars.sh
+%endif
+
 if [ ! -e configure ] ; then
         # It is possible to use the Open Build Server to automatically
         # checkout from git directly, extract this spec file and set the
@@ -285,6 +289,9 @@ popd
 %if %{defined fedora}
 module load mpi/openmpi-%{_arch}
 %endif
+%if %{defined suse_version}
+. %{_libdir}/mpi/gcc/openmpi/bin/mpivars.sh
+%endif
 
 pushd build
 make check TEST_FLAGS="1500 50 16" || { echo "Tests failed: Content of ./test-suite.log:"; cat ./test-suite.log; echo; exit 1; }