morse_cmake: update calls to morse_export_imported_target to match its new api

src/CMakeLists.txt

@@ -121,16 +121,16 @@ endif()
 
 # export targets of dependencies is spm static
 if (NOT BUILD_SHARED_LIBS)
-  morse_export_imported_target(MORSE LAPACKE lapacke spm)
-  morse_export_imported_target(MORSE CBLAS cblas spm)
-  morse_export_imported_target(MORSE M m spm)
+  morse_export_imported_target(MORSE::LAPACKE lapacke spm)
+  morse_export_imported_target(MORSE::CBLAS cblas spm)
+  morse_export_imported_target(MORSE::M m spm)
   if (SPM_WITH_SCOTCH)
-    morse_export_imported_target(MORSE SCOTCH scotch spm)
+    morse_export_imported_target(MORSE::SCOTCH scotch spm)
   endif()
 endif()
 if (SPM_WITH_MPI)
   # mpi is a public dependency so that exporting is not an option
-  morse_export_imported_target(MPI MPI_C mpic spm)
+  morse_export_imported_target(MPI::MPI_C mpic spm)
 endif()
 
 # export target spm

wrappers/fortran90/CMakeLists.txt

@@ -54,7 +54,7 @@ endif()
 if ( SPM_WITH_MPI )
   target_compile_definitions(spmf INTERFACE "SPM_WITH_MPI")
   target_link_libraries( spmf PUBLIC MPI::MPI_Fortran)
-  morse_export_imported_target(MPI MPI_Fortran mpif spm)
+  morse_export_imported_target(MPI::MPI_Fortran mpif spm)
 endif()
 
 # export target spmf