set(EARLY_ENTRY_1 "1" CACHE STRING "early")
set(MIDDLE_ENTRY_1 "1" CACHE STRING "mid 1")
set(MIDDLE_ENTRY_2 "2" CACHE STRING "mid 2")
set(MIDDLE_ENTRY_3 "3" CACHE STRING "mid 3")
mark_as_advanced(MIDDLE_ENTRY_3)
set(LATER_ENTRY_1 "1" CACHE STRING "later")