[mod_python] [SPAM] Prpblem installing mod_python 3.3.1 in OSX

On 05/10/2007, Oliver Goodman <oag at optusnet.com.au> wrote:
> Porcari,
>
> It's some time since you posted so perhaps you solved the problem
> already.
>
> In any case I recently ran into it myself and despite finding dozens
> of reports of this problem on the internet I didn't find any
> explanation. Now that I've found the answer (for myself at least) I
> thought I'd better post it. That way if I forget what it was, and run
> into it again, at least maybe I'll find my own post :-)
>
> The warnings are easily dealt with as another poster already noted:
> simply delete the -arch i386 flag from the configure-generated
> Makefile. It's the link errors that are the real problem. In fact
> they are not really related to mod_python. I also got them when I
> first tried to build boost_python on my Mac.
>
> The reason I had this problem, on Mac OSX 10.3.9 (not Server version
> in my case), was because I had installed newer versions of Python
> alongside the built-in version 2.3.
>
> Now, I don't know how to build mod_python against any of those newer
> pythons. The link error is there because they expect something to be
> in the libSystem library which isn't. I doubt there is much that can
> be done about that.
>
> What you can do however is build mod_python against the built-in
> python. Specify
>
>    --with-python=/System/Library/Frameworks/Python.framework/Versions/
> 2.3/bin/python2.3

Provided that /usr/bin is in your PATH first that should not be
required. If it doesn't it suggests that your other versions of Python
have screwed with the default OS version replacing /usr/bin/python
with a link to some other version. If some other python executable in
different directory was being found first and /usr/bin/python was
okay, you could also have said:

  --with-python=/usr/bin/python

as that is a symlink to the more obscure location.

> when you ./configure. That unfortunately doesn't stop the compiler
> (libtool/gcc) from looking at the wrong python when it comes to link
> time. So you also need to edit src/Makefile. I added the following
> flag (just before the -framework Python flag in the LDFLAGS line):
>
>    -Wl,-F/System/Library/Frameworks

That again shouldn't be required unless your attempts to install other
versions of Python have screwed things up somehow, as compiler should
look there anyway.

> That tells the linker to look first for the python framework in /
> System/Library/Frameworks which is where the built-in one lives.
>
> And then of course you'll have to install everything you installed
> for Python 2.4 or 2.5 again for 2.3. Such is life.

You perhaps should have posted what all your compiler/linker errors
were at the time so we could work out what was going wrong. Anyway, no
matter now if you have got it working.

Graham