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Compile LAME as External

January 24, 2011 | 4:54 pm

Hi
I’m trying to wrap lame in an external to decode mp2 audio files. As a standalone I don’t have problems with compiling. Inside the Max-Framework I got stuck:
Lame needs a higher sdk than 10.4. on MacBookPro in xCode 3.2 and is working with the 32/64 architecture.
I am assuming that I only can use Lame with the libmp3lame.dylib as an included framework.
My problem is now that I cannot compile an external, because the error then is

ld: warning: in /Developer/SDKs/MacOSX10.4u.sdk/usr/local/lib/libmp3lame.dylib, file is not of required architecture

The other way: if I chose a higher sdk Max is throwing a lot of errors like:
/Developer/SDKs/MacOSX10.4u.sdk/System/Library/Frameworks/CoreServices.framework/Headers/CoreServices.h:20:0 /Developer/SDKs/MacOSX10.4u.sdk/System/Library/Frameworks/CoreServices.framework/Headers/CoreServices.h:20:6: error: #error 64-bit not supported

Perhaps I am totally wrong with all my asumptions and I am also not clear with the choice of architecture.

Any help is appreciated!

Thanks in advance

Best Regards,
Johannes


January 24, 2011 | 5:29 pm

Hi Johannes,

The problem is trying to compile a 64-bit binary. In your target settings for the extern you should simply specify "i386" instead of a Universal Binary.

Cheers,
Tim


January 25, 2011 | 4:01 pm

Hi Tim,

thanks for the advice.
I had to compile LAME again with the arch=i386 and this post helped me a lot:

http://forums.macrumors.com/showthread.php?t=689562

Best,
Johannes


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