Make ifort on Windows create lowercase symbols with appended underscore

tentative fix for #2472

Author: martin-frbg

cmake/fc.cmake

@@ -76,8 +76,11 @@ if (${F_COMPILER} STREQUAL "GFORTRAN")
   endif ()
 endif ()
 
-if (${F_COMPILER} STREQUAL "INTEL")
+if (${F_COMPILER} STREQUAL "IFORT")
   set(CCOMMON_OPT "${CCOMMON_OPT} -DF_INTERFACE_INTEL")
+  if (MSVC)
+    set(FCOMMON_OPT "${FCOMMON_OPT} -names:lowercase -assume:underscore")
+  endif ()  
   if (INTERFACE64)
     set(FCOMMON_OPT "${FCOMMON_OPT} -i8")
   endif ()