[Python-Dev] ctypes and powerpc

Thomas Heller theller at ctypes.org
Fri Nov 24 20:59:41 CET 2006

Thomas Heller schrieb:
> I'd like to ask for help with an issue which I do not know
> how to solve.
> Please see this bug http://python.org/sf/1563807
> "ctypes built with GCC on AIX 5.3 fails with ld ffi error"
> Apparently this is a powerpc machine, ctypes builds but cannot be imported
> because of undefined symbols like 'ffi_call', 'ffi_prep_closure'.
> These symbols are defined in file
>   Modules/_ctypes/libffi/src/powerpc/ffi_darwin.c.
> The whole contents of this file is enclosed within a
> #ifdef __ppc__
> ...
> #endif
> block.  IIRC, this block has been added by Ronald for the
> Mac universal build.  Now, it seems that on the AIX machine
> the __ppc__ symbols is not defined; removing the #ifdef/#endif
> makes the built successful.

Of course, the simple solution would be to change it to:

#ifndef __i386__


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