improve cmake script

cmake/functions/CopyResourcesToExe.cmake

@@ -15,9 +15,17 @@ function(CopyResourcesToExe TARGET FROM EXTENSIONS)
     endif()
 
     foreach(RESOURCE ${RESOURCES_TO_COPY})
-        add_custom_command(TARGET ${TARGET} POST_BUILD
-            COMMAND ${CMAKE_COMMAND} -E copy_if_different
-            ${RESOURCE} $<TARGET_FILE_DIR:${TARGET}>
-        )
+        if (NOT IS_DIRECTORY ${RESOURCE})
+            add_custom_command(TARGET ${TARGET} POST_BUILD
+                COMMAND ${CMAKE_COMMAND} -E copy_if_different
+                ${RESOURCE} $<TARGET_FILE_DIR:${TARGET}>
+            )
+        else()
+            get_filename_component(FNAME ${RESOURCE} NAME)
+            add_custom_command(TARGET ${TARGET} POST_BUILD
+                COMMAND ${CMAKE_COMMAND} -E copy_directory_if_different
+                ${RESOURCE} $<TARGET_FILE_DIR:${TARGET}>/${FNAME}
+            )
+        endif()
     endforeach()
 endfunction()