[Pythonmac-SIG] OSX10.6/readline-6.1/python-2.6.5

[Chris Kees]

Thanks for explaining the situation with readline.  As you suspected, what
was happening is that an older version of readline was installed in
/usr/local/lib that I had forgotten about.  The GNU readline I had built as
a 2-way 32/64-bit and installed into ${MY_PREFIX} wasn't getting linked in.
 After uninstalling the /usr/local/lib readline and the readline in
${MY_PREFIX} I get a working 2 way 32/64 bit python interpreter from:

./configure --prefix=${MY_PREFIX} --enable-framework=${MY_PREFIX}
--with-universal-archs=intel --enable-universalsdk=/
MACOSX_DEPLOYMENT_TARGET=10.6 CC=/usr/bin/gcc
CPPFLAGS="-I${MY_PREFIX}/include" LD=/usr/bin/gcc
LDFLAGS="-L${MY_PREFIX}/lib"

I haven't tried to get it working with GNU readline yet, but I think what
I'm going to do is use the readline module from  pypi as a fallback on
systems where the default readline module doesn't build instead of carrying
around GNU readline in my stack. For future reference,  the readline module
is here: http://pypi.python.org/pypi/readline/2.6.4

Thanks again for your help.
Chris
On Tue, May 25, 2010 at 3:00 PM, Zvezdan Petkovic <zvezdan at zope.com> wrote:

> On May 25, 2010, at 2:40 PM, Charles Turner wrote:
>
> > On May 25, 2010, at 10:25 AM, Chris Kees wrote:
> >
> >> I'm compiling python and readline from source and getting a segmentation
> fault in readline
> >
> > This approach worked for me:
> >
> > <
> http://rh0dium.blogspot.com/2010/01/building-python-on-264-snow-leopard.html
> >
>
> This is exactly why I asked the OP in the previous post how his readline
> was compiled and where it was stored.
>
> You took care to compile it universal and for the same deployment target as
> your Python.  That is very important.
>
> Additionally, you installed both into (a default) /usr/local/... which
> again may be important because it's in the default path for library search.
>
> I must point out, though, that you built Python 2.6.4 where compilation of
> GNU readline was the only option.
>
> Starting with Python 2.6.5, when the deployment target is 10.6 (or 10.5),
> the GNU readline is not needed at all.  Python will link with the native
> editline and work just fine.
>
> The OP should be able to build it using your instructions with or without
> external GNU readline.
>
> Best regards,
>
>        Zvezdan
>
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