ruby-gir-ffi 0.9.0-2 (arm64 binary) in ubuntu yakkety

 GObject is an abstraction layer that allows programming
 with an object paradigm that is compatible with many
 languages.
 .
 This package contains the dynamic Ruby binding generator
 for libraries that support gobject-introspection, i. e.
 which ship a gir1.2-<name>-<version> package. With these
 packages, the libraries can be used from Ruby.