Free Pascal - base units metapackage

 The Free Pascal Compiler is an object pascal compiler supporting both Delphi
 and Turbo Pascal 7.0 dialects as well as Mac pascal dialects.
 It provides a completely portable RunTime Library (RTL) available on many
 platforms and compatible with Turbo Pascal, but also a platform independent
 class based Free Component Library (FCL) adding many Delphi extensions and
 interfacing many popular open source libraries.
 .
 This is a metapackage and is always depending on the last version available of
 the package contains Free Pascal units for common libraries. Some of these
 units are also required by the Free Component Library:
  - X11 (Xlib, Xutil)
  - NCurses
  - ZLib