message("Copy '${GLOB_EXP}' to '${DST}'")

file(GLOB SRC_FILES ${GLOB_EXP})

if ( SRC_FILES )
   if ( LOWER )
      foreach (FILE ${SRC_FILES})
         get_filename_component(FILEN_NAME ${FILE} NAME)
         string(TOLOWER ${FILEN_NAME} FILEN_NAME_LOWER)
         execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different ${FILE} ${DST}/${FILEN_NAME_LOWER})
      endforeach()
   else()
      file(COPY ${SRC_FILES} DESTINATION ${DST})
   endif( LOWER )
endif()