Ruby is the interpreted scripting language for quick and easy object-oriented programming. it has many features to process text files and to do system management tasks (as in perl). it is simple, straight-forward, and extensible.

this package contains the header files and the mkmf library, necessary to make extension library for ruby. it is also required to build many gems.

this package is a dependency package, which depends on debian's default ruby version (currently v2.3).