Public bug reported:

ZSNES cannot be compiled as a 64-bit binary, and therefore uses 32-bit
libraries on 64-bit systems. A 64-bit package could be made of the
32-bit binary relatively easy (whether it would violate Debians
packaging standards or not IDK).

Among others, it uses libao for sound output. In Hardy+ only, libao is
available in the package ia32-libs (before Hardy, one had to download
the 32-bit libao and install it manually). ia32-libs correctly places
libao packages at the following path:

>From http://packages.ubuntu.com/hardy/amd64/ia32-libs/filelist
/usr/lib32/ao/plugins-2/libalsa09.so
/usr/lib32/ao/plugins-2/libarts.so
/usr/lib32/ao/plugins-2/libesd.so
/usr/lib32/ao/plugins-2/libnas.so
/usr/lib32/ao/plugins-2/liboss.so
/usr/lib32/ao/plugins-2/libpulse.so

However, zsnes currently seems to only look for the 32-bit libraries in 
/usr/lib/ao/plugins-2/, leading to a segfault within zsnes when compiled with 
--enable-libao and run using the OSS driver like so: 
./zsnes -ad oss

A fix that works is to symbolically link the 32-bit libs in 
/usr/lib32/ao/plugins-2/ to /usr/lib/ao/plugins-2/, making sure not to 
overwrite the already existing 64-bit libs. Most of this information I believe 
I've covered in detail on the ubuntu forums thread I created:
http://ubuntuforums.org/showthread.php?t=588744

** Affects: zsnes (Ubuntu)
     Importance: Undecided
         Status: New

-- 
zsnes 64-bit searches for libao files incorrectly
https://bugs.launchpad.net/bugs/227475
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