cmake fortran using env2

CMakeLists.txt

@@ -20,16 +20,16 @@ MESSAGE (STATUS "MPI_Fortran_COMPILER ${MPI_Fortran_COMPILER}")
 
 if ("${MPI_C_COMPILER}" STREQUAL "MPI_C_COMPILER-NOTFOUND")
     MESSAGE (STATUS "NO COMPILE WITH $ENV{SPACK_CC}")
-    set(CMAKE_C_COMPILER "${SPACK_CC}")
+    set(CMAKE_C_COMPILER "$ENV{SPACK_CC}")
 else()
-    MESSAGE (STATUS "YES COMPILE WITH $ENV{MPI_C_COMPILER}")
+    MESSAGE (STATUS "YES COMPILE WITH ${MPI_C_COMPILER}")
     set(CMAKE_C_COMPILER "${MPI_C_COMPILER}")
 endif()
 
 MESSAGE (STATUS "COMPILE WITH CMAKE_C_COMPILER ${CMAKE_C_COMPILER}")
 
 if ("${MPI_CXX_COMPILER}" STREQUAL "MPI_CXX_COMPILER-NOTFOUND")
-    set(CMAKE_C_COMPILER "$ENV{SPACK_CXX}")
+    set(CMAKE_CXX_COMPILER "$ENV{SPACK_CXX}")
 else()
     set(CMAKE_CXX_COMPILER "${MPI_CXX_COMPILER}")
 endif()