simple MPI test for testing the autocmake

- code reviewer's comments included

test/fc_mpi/cmake/autocmake.cfg

@@ -0,0 +1,17 @@
+[project]
+name: example
+
+[fc]
+source: ../../../modules/fc.cmake
+
+[mpi]
+source: ../../../modules/mpi.cmake
+
+[int64]
+source: ../../../modules/int64.cmake
+
+[default_build_paths]
+source: ../../../modules/default_build_paths.cmake
+
+[src]
+source: ../../../modules/src.cmake