cmake option default value if else

Question

I tried to do that, but it doesn't appear on the cmake gui, how have I got to do to change the default value of option depending of SO, and it appear in the cmake gui?

if(UNIX)
  option(HASH "enable hash" ON)
else()
  option(HASH "enable hash" OFF)
endif()

Answer 1

除非您unset或mark_as_advanced HASH变量，否则它应该出现在CMake GUI中。