環境 DragonFly v4.0.1.2.gf72e0-RELEASE ruby-2.2.0 手順 $ curl -O http://cache.ruby-lang.org/pub/ruby/2.2/ruby-2.2.0.tar.gz $ tar xvf ruby-2.2.0 $ cd ruby-2.2.0 $ ./configure --prefix=/path/to/install --enable-shared $ sudo pkg install libf…