[vorbis] libao on OS X

[Timothy J. Wood]

   Boy, it's too bad no one committed the code I submitted about a year 
ago for OS X that (a) worked and (b) didn't require that libdl be used 
for every libao module.

On Tuesday, November 6, 2001, at 01:43  AM, Rik Hemsley wrote:
>> but the dynamic plugin system is broken.
>> 1) on OS X, dll's en in .dylib, not .so, as is hardwired in. this 
>> should
>> be an easy fix.

   No, if you want to load with libdl, they must be bundles, not dylibs.  
You can call them whatever you want, but calling them .dylibs would be 
misleading since they can't be and still be loaded with libdl.

>> 2) dlopen chokes on opening the .dylib files...so the plugin is never
>> loaded. i know not enought of dlopen on OS X to be of much help here,
>> beyond tracing it to that call

   Create bundles with:

cc -flat_namespace -bundle -undefined suppress

   (-flat_namespace is new in 10.1 -- it isn't needed if you are on 
10.0.  You'll want configure.in to pick the right settings)

   Also, grab the normal OS X libdl compatibility package from 
SourceForge:

    http://download.sourceforge.net/fink/dlcompat-20010831.tar.gz

-tim

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