ruby-devel
ruby-develをインストールしようとまずはlistで調べてみます。
$ fink list ruby Information about 6675 packages read in 1 seconds. bioruby-rb18 1.2.1-1 Bioinformatics environment for ruby mecab-ruby 0.93-2 Placeholder package for migration to mecab-rb ruby 1.8.6-p111-102 Interpreted, object-oriented language (symlinks) ruby18 1.8.6-p111-102 Interpreted, object-oriented language (binaries) ruby18-dev 1.8.6-p111-102 Interpreted, object-oriented language (mkmf.rb, *.h and *.dylib) ruby18-shlibs 1.8.6-p111-102 Interpreted, object-oriented language (shared libraries) ruby18-tcltk [virtual package] ruby18-tcltk-x11 1.8.5-p12.1 Tcl/Tk (using X11) extensions for Ruby rubycocoa-rb18 0.12.0-2 Ruby interface to Cocoa programming rubyforge-rb18 0.4.4-1 Rubyforge automation rubygems-rb16 1.0.1-1 Package management framework for Ruby (binaries) rubygems-rb18 1.0.1-1 Package management framework for Ruby (binaries) rubyosa-rb18 0.4.0-2 Apple Event Manager infrastructure bridge
ruby18-devっすね。きっと。そんな感じでインストールしちゃいました。結構時間がかかったかな。