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问题:
I got the following error when compiling sip with --arch x86_64 option.
prosseek:siplib smcho$ python -c 'import sip; print sip' Traceback (most recent call last): File "", line 1, in ImportError: dlopen(./sip.so, 2): no suitable image found. Did find: ./sip.so: mach-o, but wrong architecture
I found that the prebuilt Mac OS X python (snow leopard) is universal, and it doesn't get the 64 bit library. I guess it's running on 32bit mode.
file /usr/bin/python /usr/bin/python: Mach-O universal binary with 3 architectures /usr/bin/python (for architecture x86_64): Mach-O 64-bit executable x86_64 /usr/bin/python (for architecture i386): Mach-O executable i386 /usr/bin/python (for architecture ppc7400): Mach-O executable ppc
prosseek:siplib smcho$ file sip.so sip.so: Mach-O 64-bit bundle x86_64
How can I force python to run on 64bit mode? When I run the same code on Textmate, there's no problem. So, I think Textmate should run on 64 bit mode anyway.
Added
- This link shows how to identify if a python that I'm running is 32bit or 64bit. And I checked my python is 32 bit.
- This link shows how to make 32/64bit python. But it doesn't work for me.
回答1:
Try using arch(1), and supply the specific version of Python:
arch -x86_64 /usr/bin/python2.6
Actually the system should choose the first suitable architecture for you. As
$ file /usr/bin/python2.5 /usr/bin/python2.5: Mach-O universal binary with 2 architectures /usr/bin/python2.5 (for architecture i386): Mach-O executable i386 /usr/bin/python2.5 (for architecture ppc7400): Mach-O executable ppc $ file /usr/bin/python2.6 /usr/bin/python2.6: Mach-O universal binary with 3 architectures /usr/bin/python2.6 (for architecture x86_64): Mach-O 64-bit executable x86_64 /usr/bin/python2.6 (for architecture i386): Mach-O executable i386 /usr/bin/python2.6 (for architecture ppc7400): Mach-O executable ppc
If that python somehow chooses 2.5, then you can't use 64-bit, but if it chooses 2.6 then the x86_64 variant should be automatically selected, as commented below. If it's the former, try to get python_select and change the version to 2.6.
回答2:
Okay, be REALLY careful when you do this, it's going to require other things to also be 64-bit. All of a sudden, if mod_python won't work, then you need to recompile apache. Then all your python modules like tkinter/tix. If you're on 10.5 like me, don't go there, just live with 32-bit for it.
And if you don't know about http://www.macports.org/ then remember that it's your friend. :-)
