Packages with the cache use flag

dev-games / ogre : Object-oriented Graphics Rendering Engine

  • Enable GL state cache support

media-sound / moc : Music On Console - ncurses interface for playing audio files

  • Enable tags caching support

sys-cluster / lmod : Environment Module System based on Lua

  • enable caching of modules

www-apache / mod_musicindex : mod_musicindex allows nice displaying of directories containing music files

  • Add File cache support