- add svgalib support (tested with C&T65554);
- make it USE_LIBTOOL;
- remove spaces between `@' and `$' in targets;
- decrease amount of tabs used to make variables indentation from 2 to 1.
SDL is a free cross-platform multi-media development API.
It is used for games, emulators, demos, any multimedia application.
It handles video, audio, threads, endian independence and more.
PR: 13026
Submitted by: Andrey Zakhvatov <andy@icc.surw.chel.su>