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  • Hash : 98411c0d
    Author : Chris Mumford
    Date : 2022-07-05T06:52:04

    Added include: libkern/OSAtomic.h
    
    When building on macOS without gcc (e.g. clang) where HAVE_GCC_ATOMICS
    is not defined, `SDL_AtomicTryLock` will call
    `OSAtomicCompareAndSwap32Barrier` which is not yet declared.
    Including OSAtomic.h on OSX resolves this error/warning:
    
        SDL_spinlock.c:125:12: error: implicit declaration of function
          'OSAtomicCompareAndSwap32Barrier' is invalid in
          C99 [-Werror,-Wimplicit-function-declaration]
            return OSAtomicCompareAndSwap32Barrier(0, 1, lock);
    
    This was reported in issue #3885 but marked Invalid and closed - possibly
    because the default CMake build uses gcc instead of clang.
    

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  • README.md

  • Simple DirectMedia Layer (SDL) Version 2.0

    https://www.libsdl.org/

    Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware via OpenGL and Direct3D. It is used by video playback software, emulators, and popular games including Valve’s award winning catalog and many Humble Bundle games.

    More extensive documentation is available in the docs directory, starting with README.md

    Enjoy!

    Sam Lantinga (slouken@libsdl.org)