The Allegro Wiki is migrating to github at https://github.com/liballeg/allegro_wiki/wiki
See also Install Allegro5 From SVN
Unless you are explicitly targeting DOS, it is highly recommended that you use the Windows port for best compatibility and performance.
- BeOS - not actively maintained
- Darwin/X11 - not recommended, use the native OS X port instead
- Linux (console) *NOOB ALERT* -Linux install with package manager recommended for noobs!!
- QNX - not actively maintained