system environment/libraries
- bzip2-libs - Libraries for applications using bzip2
- cups-libs - Common Unix Printing System - libraries
- expat - A library for parsing XML.
- freetype - A free and portable TrueType font rendering engine.
- libpng - A library of functions for manipulating PNG image format files
- libtiff - A library of functions for manipulating TIFF format image files.
- openssl - The OpenSSL toolkit.