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Bug 2715

Summary: Audio Subsystem doesn't initialize on OSX
Product: SDL Reporter: Alexander Ames <alexander.ames>
Component: audioAssignee: Ryan C. Gordon <icculus>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: normal    
Priority: P2    
Version: 2.0.3   
Hardware: x86   
OS: Mac OS X 10.8   

Description Alexander Ames 2014-09-03 22:25:35 UTC 
When compiling on OSX, the audio subsystem fails to initialize. This appears to be due to the fact that in SDL_AUDIO_DRIVER_COREAUDIO is never set in the CMakeLists file. This variable is needed so that the generated config file will have the #define set for it which is needed by SDL_audio.c. Without that #define set, the list of AudioBootstraps will not include COREAUDIO_bootstrap and thus fail to initialize. 

I suspect that this whole section of the CMakeLists file is intended to be rewritten due to the comments in the file ("TODO: rework this for proper MacOS X, iOS and Darwin support"), but I didn't see an existing bug filed for this problem so I went ahead and filed one. 

As a temporary workaround, I've added this to my own CMakeLists.txt:

if(APPLE)
  set(SDL_AUDIO_DRIVER_COREAUDIO 1)
endif(APPLE)
Comment 1 Ryan C. Gordon 2015-02-19 06:16:00 UTC 
This was just fixed recently in revision control.

--ryan.