[Python-Dev] python, lipo and the future?
ronaldoussoren at mac.com
Sun Sep 17 21:56:21 CEST 2006
On Sep 17, 2006, at 9:37 PM, Jack Howarth wrote:
> I believe if you use the Xcode project management the
> Universal binary creation is automated. Currently they
> support the i386/ppc binaries but once Leopard comes
> out you will see i386/x86_64/ppc/ppc64 binaries for
> shared libraries.
That's not really relevant for python, python is build using
makefiles not using a Xcode project (and I'd like to keep it that way).
BTW. Xcode 2.4 can already build 4-way universal binaries, Tiger
supports 64-bit unix programs. On my system file /usr/lib/
libSystem.B.dylib (the unix/C library) says:
$ file /usr/lib/libSystem.B.dylib
/usr/lib/libSystem.B.dylib: Mach-O universal binary with 3 architectures
/usr/lib/libSystem.B.dylib (for architecture ppc64): Mach-O 64-bit
dynamically linked shared library ppc64
/usr/lib/libSystem.B.dylib (for architecture i386): Mach-O
dynamically linked shared library i386
/usr/lib/libSystem.B.dylib (for architecture ppc): Mach-O
dynamically linked shared library ppc
On the new Mac Pro's and probably the Core2 based iMac's as well
libSystem also contains a x86-64 version.
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