Re: openal-1.14 and ffmpeg-0.7.13

On 10/02/2012 08:46 PM, Dennis Veatch wrote:
> Trying to compile openal and get this error;
>
> [ 91%] Building C object CMakeFiles/alstream.dir/examples/alffmpeg.o
> /usr/src/openal-soft-1.14/examples/alffmpeg.c: In function 
> 'MemData_seek':
> /usr/src/openal-soft-1.14/examples/alffmpeg.c:101:37: warning: 
> comparison between signed and unsigned integer expressions 
> [-Wsign-compare]
> /usr/src/openal-soft-1.14/examples/alffmpeg.c:107:39: warning: 
> comparison between signed and unsigned integer expressions 
> [-Wsign-compare]
> /usr/src/openal-soft-1.14/examples/alffmpeg.c:108:38: warning: 
> comparison between signed and unsigned integer expressions 
> [-Wsign-compare]
> /usr/src/openal-soft-1.14/examples/alffmpeg.c:114:37: warning: 
> comparison between signed and unsigned integer expressions 
> [-Wsign-compare]
> [ 94%] Building C object CMakeFiles/alstream.dir/examples/alstream.o
> Linking C executable alstream
> /usr/bin/ld: CMakeFiles/alstream.dir/examples/alffmpeg.o: undefined 
> reference to symbol 'av_malloc@@LIBAVUTIL_50'
> /usr/bin/ld: note: 'av_malloc@@LIBAVUTIL_50' is defined in DSO 
> /usr/lib/libavutil.so.50 so try adding it to the linker command line
> /usr/lib/libavutil.so.50: could not read symbols: Invalid operation
> collect2: error: ld returned 1 exit status
> make[2]: *** [alstream] Error 1
> make[1]: *** [CMakeFiles/alstream.dir/all] Error 2
> make: *** [all] Error 2
>
>
> With some other apps I would do something like LDFLAGS=" -lm" or some 
> similar such thing depending on the DSO. With this particular issue I 
> have no idea what to do and Google has not been the all knowing one in 
> this case.
>
>
> Thanks
> Dennis
> _______________________________________________
>
>

Oops the magic of the clicky button struck. Using LDFLAGS=" -lavutil" 
seems to have done the trick.

Dennis

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