Updated CMakeLists.txt

CMakeLists.txt

@@ -7,10 +7,14 @@ set(PAPYRUS_VERSION_MINOR 0)
 set(PAPYRUS_VERSION_PATCH 0)
 
 find_package(MPI REQUIRED)
-if("${MPI_C_COMPILER}")
+MESSAGE (STATUS "MPI_CXX_COMPILER ${MPI_CXX_COMPILER}")
+MESSAGE (STATUS "MPI_C_COMPILER ${MPI_C_COMPILER}")
+if ("${MPI_C_COMPILER}" STREQUAL "MPI_C_COMPILER-NOTFOUND")
+else()
     set(CMAKE_C_COMPILER "${MPI_C_COMPILER}")
 endif()
-if("${MPI_CXX_COMPILER}")
+if ("${MPI_CXX_COMPILER}" STREQUAL "MPI_CXX_COMPILER-NOTFOUND")
+else()
     set(CMAKE_CXX_COMPILER "${MPI_CXX_COMPILER}")
 endif()
 set(CMAKE_CXX_STANDARD 11)