Ruby/Tk on MacOS X.2?

[Philip_Mak1 (Philip Mak)]

Is it possible to install Ruby/Tk on MacOS X.2? Right now, if I try to
"require ‘tk’", I get the error message “No such file to load –
tcltklib (LoadError)”.

If it’s possible, can someone tell me where to download it from?

Thanks.