Compiling as 32bit on MacOSX

[Diez B. Roggisch]

Gregory Ewing <greg.ewing at canterbury.ac.nz> writes:

> Philip Semanchuk wrote:
>
>> Hi Greg,
>> Are you talking about compiling Python itself or extensions?
>
> I've managed to get Python itself compiled as 32 bit,
> and that also seems to take care of extensions built
> using 'python setup.py ...'.
>
> I'm mainly concerned about non-Python libraries that
> get wrapped by the extensions, of which I've built up
> quite a collection over the years. Currently I'm having
> to keep a careful eye out when building them to make
> sure they don't get compiled with the wrong architecture,
> since gcc's natural inclination is to default to 64 bit
> whenever it's available.
>
> So I was wondering if there was some way of globally
> changing that default that doesn't rely on compiler
> options getting passed correctly through the many and
> varied layers of build technology that one comes across.
> But from what I've seen so far, it seems not.

If all you have is a fat-binary, you can still work with that using the
lipo-tool to remove those architectures you are not interested in.

Diez