Add back Find module and add support files

1 files changed, 37 insertions, 0 deletions

diff --git a/config/cmake_ext_mod/FindMPI/test_mpi.c b/config/cmake_ext_mod/FindMPI/test_mpi.c
new file mode 100644
index 0000000..b8a308a
--- /dev/null
+++ b/config/cmake_ext_mod/FindMPI/test_mpi.c
@@ -0,0 +1,37 @@
+#include <mpi.h>
+
+#ifdef __cplusplus
+#include <cstdio>
+#else
+#include <stdio.h>
+#endif
+
+#if defined(MPI_VERSION) && defined(MPI_SUBVERSION)
+const char mpiver_str[] = { 'I', 'N',
+                            'F', 'O',
+                            ':', 'M',
+                            'P', 'I',
+                            '-', 'V',
+                            'E', 'R',
+                            '[', ('0' + MPI_VERSION),
+                            '.', ('0' + MPI_SUBVERSION),
+                            ']', '\0' };
+#endif
+
+int main(int argc, char* argv[])
+{
+#if defined(MPI_VERSION) && defined(MPI_SUBVERSION)
+#ifdef __cplusplus
+  std::puts(mpiver_str);
+#else
+  puts(mpiver_str);
+#endif
+#endif
+#ifdef TEST_MPI_MPICXX
+  MPI::MPI_Init(&argc, &argv);
+  MPI::MPI_Finalize();
+#else
+  MPI_Init(&argc, &argv);
+  MPI_Finalize();
+#endif
+}