ubuntu 14.04 ruby 2.2 rvm Ruby/Tk 動かない

http://stackoverflow.com/questions/20874900/ruby-require-tk-yields-loaderror-no-such-file-to-load-tk
http://5zalt.hatenablog.com/entry/2015/02/12/124228

$ sudo apt-get install tk-dev
$ rvm reinstall ruby-2.2-head --with-tcltkversion=8.6 --with-tcl-lib=/usr/lib/x86_64-linux-gnu --with-tk-lib=/usr/lib/x86_64-linux-gnu --with-tcl-include=/usr/include/tcl8.6 --with-tk-include=/usr/include/tk8.6 --enable-pthread --enable-shared