Re: Help needed with compiling python

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From	Zachary Ware <zachary.ware+pylist@gmail.com>
Newsgroups	comp.lang.python
Subject	Re: Help needed with compiling python
Date	Wed, 25 Nov 2015 14:49:16 -0600
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On Wed, Nov 25, 2015 at 2:23 PM, Cecil Westerhof <Cecil@decebal.nl> wrote:
> I wanted to install python myself. I started with 2.7.10. If that
> works I also will install 3.5.0.
>
> I did:
>     ./configure --prefix=/usr
>     make
>     make altinstall
>
> I have:
>     /usr/bin/python2.7
>
> But when I execute this, I get:
>     Could not find platform dependent libraries <exec_prefix>
>     Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]
>     Python 2.7.10 (default, Nov 25 2015, 20:58:29)
>     [GCC 4.8.5] on linux2
>     Type "help", "copyright", "credits" or "license" for more information.
>     Traceback (most recent call last):
>       File "/etc/pythonstart", line 7, in <module>
>         import readline
>     ImportError: No module named readline
>
> What do I need to do to get it working?

First off, I strongly suggest not using --prefix=/usr.  Stick with
--prefix=/usr/local (the default) to avoid overwriting the system
Python, which may differ from a source build (and, in fact,
overwriting your system Python may be what's causing some of your
problems; those first two lines are worrying).

Secondly, there are several optional modules that are not compiled
unless particular libraries are found to link against, including
readline.  You'll need the readline development package (probably
readline-dev or readline-devel, depending on your distribution).  You
can quickly pull in the dependencies for all optional modules by doing
something like the following for an apt-based system: `apt-get
build-dep python3`.

Hope this helps,
-- 
Zach

Thread

Help needed with compiling python Cecil Westerhof <Cecil@decebal.nl> - 2015-11-25 21:23 +0100
  Re: Help needed with compiling python Zachary Ware <zachary.ware+pylist@gmail.com> - 2015-11-25 14:49 -0600
    Re: Help needed with compiling python Cecil Westerhof <Cecil@decebal.nl> - 2015-11-25 22:52 +0100
      Re: Help needed with compiling python Zachary Ware <zachary.ware+pylist@gmail.com> - 2015-11-25 16:39 -0600
        Re: Help needed with compiling python Cecil Westerhof <Cecil@decebal.nl> - 2015-11-26 07:55 +0100
      Re: Help needed with compiling python Laura Creighton <lac@openend.se> - 2015-11-25 23:58 +0100
        Re: Help needed with compiling python Cecil Westerhof <Cecil@decebal.nl> - 2015-11-26 08:00 +0100
          Re: Help needed with compiling python Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-11-26 19:29 +1100
            Re: Help needed with compiling python Cecil Westerhof <Cecil@decebal.nl> - 2015-11-26 22:33 +0100
              Re: Help needed with compiling python Kev Dwyer <kevin.p.dwyer@gmail.com> - 2015-11-27 06:46 +0000
          Re: Help needed with compiling python Dave Farrance <df@see.replyto.invalid> - 2015-11-26 11:07 +0000
            Re: Help needed with compiling python Cecil Westerhof <Cecil@decebal.nl> - 2015-11-26 22:39 +0100
              Re: Help needed with compiling python Zachary Ware <zachary.ware+pylist@gmail.com> - 2015-11-26 23:48 -0600

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