docs/README-emscripten.md
author Philipp Wiesemann <philipp.wiesemann@arcor.de>
Sun, 28 Dec 2014 22:02:17 +0100
changeset 9302 2ddb65f75084
parent 9301 7377a9a3aed6
child 9782 fcf237e5e834
permissions -rw-r--r--
Linked README-emscripten.md in README.md and added markdown formatting.
philipp@9302
     1
Emscripten
philipp@9302
     2
================================================================================
philipp@9302
     3
icculus@9278
     4
Build:
philipp@9302
     5
philipp@9302
     6
    $ emconfigure ./configure --host=asmjs-unknown-emscripten --disable-assembly --disable-threads --enable-cpuinfo=false CFLAGS="-O2"
philipp@9302
     7
    $ emmake make
icculus@9278
     8
icculus@9278
     9
Or with cmake:
philipp@9302
    10
philipp@9302
    11
    $ emconfigure cmake ..
philipp@9302
    12
    $ make
icculus@9278
    13
philipp@9293
    14
To build one of the tests:
philipp@9302
    15
philipp@9302
    16
    $ cd test/
philipp@9302
    17
    $ emcc -O2 --js-opts 0 -g4 testdraw2.c -I../include ../build/.libs/libSDL2.a ../build/libSDL2_test.a -o a.html
icculus@9278
    18
icculus@9278
    19
Uses GLES2 renderer or software
icculus@9278
    20
icculus@9278
    21
tests: https://dl.dropboxusercontent.com/u/17360362/SDL2-em/index.html
icculus@9278
    22
philipp@9293
    23
Some other SDL2 libraries can be easily built (assuming SDL2 is installed somewhere):
icculus@9278
    24
icculus@9278
    25
SDL_mixer (http://www.libsdl.org/projects/SDL_mixer/)
philipp@9302
    26
icculus@9278
    27
    $ EMCONFIGURE_JS=1 emconfigure ../configure
icculus@9278
    28
    build as usual...
icculus@9278
    29
icculus@9278
    30
SDL_gfx (http://cms.ferzkopp.net/index.php/software/13-sdl-gfx):
philipp@9302
    31
icculus@9278
    32
    $ EMCONFIGURE_JS=1 emconfigure ../configure --disable-mmx
icculus@9278
    33
    build as usual...