kc3-lang/SDL/docs/README-emscripten.md

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• Hash : 1b895912
  Author :
  Date : 2022-09-30T14:23:36
  

  docs: Note the lowest supported Emscripten version. Reference Issue #6304.

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$ mkdir build
$ cd build
$ emconfigure ../configure --host=asmjs-unknown-emscripten --disable-assembly --disable-threads --disable-cpuinfo CFLAGS="-O2"
$ emmake make

$ mkdir build
$ cd build
$ emcmake cmake ..
$ emmake make

$ cd test/
$ emcc -O2 --js-opts 0 -g4 testdraw2.c -I../include ../build/.libs/libSDL2.a ../build/libSDL2_test.a -o a.html

$ EMCONFIGURE_JS=1 emconfigure ../configure
build as usual...

$ EMCONFIGURE_JS=1 emconfigure ../configure --disable-mmx
build as usual...

Source

• docs/README-emscripten.md

• Emscripten
  ================================================================================
  
  SDL currently requires at least Emscripten 2.0.32 to build. Newer versions
  are likely to work, as well.
  
  
  Build:
  
      $ mkdir build
      $ cd build
      $ emconfigure ../configure --host=asmjs-unknown-emscripten --disable-assembly --disable-threads --disable-cpuinfo CFLAGS="-O2"
      $ emmake make
  
  Or with cmake:
  
      $ mkdir build
      $ cd build
      $ emcmake cmake ..
      $ emmake make
  
  To build one of the tests:
  
      $ cd test/
      $ emcc -O2 --js-opts 0 -g4 testdraw2.c -I../include ../build/.libs/libSDL2.a ../build/libSDL2_test.a -o a.html
  
  Uses GLES2 renderer or software
  
  Some other SDL2 libraries can be easily built (assuming SDL2 is installed somewhere):
  
  SDL_mixer (http://www.libsdl.org/projects/SDL_mixer/):
  
      $ EMCONFIGURE_JS=1 emconfigure ../configure
      build as usual...
  
  SDL_gfx (http://cms.ferzkopp.net/index.php/software/13-sdl-gfx):
  
      $ EMCONFIGURE_JS=1 emconfigure ../configure --disable-mmx
      build as usual...
  

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