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Mon Sep 20 17:12:27 CEST 2010 · https://mail.python.org/pipermail/python-dev/2010-September/103847.html

On 20 Sep, 2010,at 04:31 PM, Tom Browder <tom.browder at gmail.com> wrote:

Continuing on with investigating Python 2.7 build problems, one
problem I just discovered is a different installation on one 64-bit
system (Debian Lenny) versus another (Ubuntu 10.04.1 LTS).

I used gcc-4.51 on both systems, with no *PY* environment variables set.

On Debian I got two directories:

/usr/local/lib64/python2.7
/usr/local/lib/python2.7

and only the first had the "config" subdirectory.

On Ubuntu I got only

/usr/local/lib/python2.7

I see that the configure file has some architecture choices
(--with-universal-archs=ARCH) but no explanation about the
consequences.

Can anyone explain the two different "default" installations I got?

It seems to me I should force the Ubuntu-style installation by the
"--with-universal-archs=64-bit" configure option, and I will try that
on Debian while I await expert help.

--with-universal-archs only does something on OSX, and then only when --with-universalsdk is specified. It is used to select which processor architectures are included in a "universal binary" build of Python. 

Ronald

Thanks.

-Tom
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[Python-Dev] Python 2.7 Won't Build