On Sep 17, 2006, at 2:51 PM, Jack Howarth wrote:
I am curious if there are any plans to support
the functionality provided by lipo on MacOS X to
create a python release that could operate at either
32-bit or 64-bit on Darwin ppc and Darwin intel?
We already support universal binaries for PPC and x86, adding PPC64 and x86-64 to the mix should be relatively straigthforward, but it isn't a complete no-brainer.
One problem is that python's configure script detects the sizes of various types and those values will be different on 32-bit and 64-bit flavours. Another problem is that Tiger's 64-bit support is pretty limited, basically just the Unix APIs, which means you cannot have a 4-way universal python interpreter without upsetting anyone with a 64- bit machine :-).
My understanding was that the linux developers are very interested in lipo as well as an approach to avoid the difficulty of maintaining separate lib directories for 32 and 64-bit libraries. Thanks in advance for any insights on this issue.
OSX uses the MachO binary format which natively supports fat binaries, I don't know if ELF (the linux binary format) support fat binaries.
Ronald
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