Merge pull request #1572 from eisenhauer/SstRDMAAvailableNotice

Report the availability of RDMA for Staging in CMake summary

CMakeLists.txt

@@ -281,4 +281,9 @@ foreach(opt IN LISTS ADIOS2_CONFIG_OPTS)
     message("${label}: OFF")
   endif()
 endforeach()
+if (ADIOS2_HAVE_SST AND ADIOS2_SST_HAVE_LIBFABRIC) 
+message("    RDMA Transport for Staging: Available")
+else()
+message("    RDMA Transport for Staging: Unconfigured")
+endif()
 message("")