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f982d08784
sdl2_frt/doc/README-porting.md
Gabriel Jacobo f982d08784 Rearrange documentation 
1) Moves all READMEs to docs/
2) Renames them to *.md, adds some Markdown with the idea to add a lot more
3) Moves the doxyfile config to doc/ and makes it parse the headers at ../include as well as the md files in docs.
4) Skips SDL_opengl*.h headers from the docs
5) Minor fixes to doxyfile
2014-07-29 09:20:12 -03:00

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Porting

  • Porting To A New Platform

    The first thing you have to do when porting to a new platform, is look at include/SDL_platform.h and create an entry there for your operating system. The standard format is PLATFORM, where PLATFORM is the name of the OS. Ideally SDL_platform.h will be able to auto-detect the system it's building on based on C preprocessor symbols.

There are two basic ways of building SDL at the moment:

  1. The "UNIX" way: ./configure; make; make install

    If you have a GNUish system, then you might try this. Edit configure.in, take a look at the large section labelled: "Set up the configuration based on the target platform!" Add a section for your platform, and then re-run autogen.sh and build!

  2. Using an IDE:

    If you're using an IDE or other non-configure build system, you'll probably want to create a custom SDL_config.h for your platform. Edit SDL_config.h, add a section for your platform, and create a custom SDL_config_{platform}.h, based on SDL_config.h.minimal and SDL_config.h.in

    Add the top level include directory to the header search path, and then add the following sources to the project: src/.c src/atomic/.c src/audio/.c src/cpuinfo/.c src/events/.c src/file/.c src/haptic/.c src/joystick/.c src/power/.c src/render/.c src/stdlib/.c src/thread/.c src/timer/.c src/video/.c src/audio/disk/.c src/audio/dummy/.c src/video/dummy/.c src/haptic/dummy/.c src/joystick/dummy/.c src/main/dummy/.c src/thread/generic/.c src/timer/dummy/.c src/loadso/dummy/*.c

Once you have a working library without any drivers, you can go back to each of the major subsystems and start implementing drivers for your platform.

If you have any questions, don't hesitate to ask on the SDL mailing list: http://www.libsdl.org/mailing-list.php

Enjoy! Sam Lantinga (slouken@libsdl.org)