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To: python-list@python.org
From: Ned Deily <nad@acm.org>
Subject: Re: Question about compiling python 30 from subversion repository on OSX
Date: Sat, 23 Apr 2011 23:18:14 -0700
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In article 
<c1ffbdb9-1a2b-41d7-970d-e7de1a9730ea@glegroupsg2000goo.googlegroups.com
>,
 Anthony Kong <anthony.hw.kong@gmail.com> wrote:
> I have checked out source code from this url 
> http://svn.python.org/projects/python/branches/py3k, then run
> 
> ./configure  --with-universal-archs=64-bit
> make
> 
> First of all, I got this message:
> 
> -----------------------------------------------
> Modules/Setup.dist is newer than Modules/Setup;
> check to make sure you have all the updates you
> need in your Modules/Setup file.
> Usually, copying Modules/Setup.dist to Modules/Setup will work.
> -----------------------------------------------
> 
> Then the build failed with these messages
> 
> /usr/bin/ranlib: file: libpython3.3m.a(dynamic_annotations.o) has no symbols
> /usr/bin/ranlib: file: libpython3.3m.a(pymath.o) has no symbols
> ranlib libpython3.3m.a
> ranlib: file: libpython3.3m.a(dynamic_annotations.o) has no symbols
> ranlib: file: libpython3.3m.a(pymath.o) has no symbols
> gcc   -framework CoreFoundation -o python.exe Modules/python.o 
> libpython3.3m.a -ldl  -framework CoreFoundation
> Could not find platform dependent libraries <exec_prefix>
> Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]
> Fatal Python error: Py_Initialize: can't initialize sys standard streams
> Traceback (most recent call last):
>   File "/Users/antkong/wd/python/python3/Lib/io.py", line 60, in <module>
> /bin/sh: line 1: 55310 Abort trap              CC='gcc' LDSHARED='gcc -bundle 
> -undefined dynamic_lookup  ' OPT='-DNDEBUG -g -fwrapv -O3 -Wall 
> -Wstrict-prototypes' ./python.exe -E ./setup.py build
> make: *** [sharedmods] Error 134
> 
> 
> I wonder what caused these error messages. Is it possible that I am checking 
> out the wrong branch?

Python development has recently moved from using Subversion to Mercurial 
(hg).  The py3k branch in the svn repository at that URL is now frozen 
in-time and not being updated.

$ svn info
Path: .
URL: http://svn.python.org/projects/python/branches/py3k
Repository Root: http://svn.python.org/projects
Repository UUID: 6015fed2-1504-0410-9fe1-9d1591cc4771
Revision: 88828
Node Kind: directory
Schedule: normal
Last Changed Author: giampaolo.rodola
Last Changed Rev: 88761
Last Changed Date: 2011-03-06 13:04:47 -0800 (Sun, 06 Mar 2011)

Information on how to access the hg repos is contained in the new Python 
Developer's Guide:

   http://docs.python.org/devguide/setup.html

If you use hg to clone a copy of the current repo, you'll see something 
more like this:

$ hg clone http://hg.python.org/cpython
$ cd cpython
$ hg log -b default
changeset:   69534:020ebe0be33e
user:        Antoine Pitrou <solipsis@pitrou.net>
date:        Sat Apr 23 17:56:06 2011 +0200
summary:     Remove unused private function

Try the build again from a clean directory using the current hg repo.  
That said, if the message appears, follow the directions about copying 
Modules/Setup.dist to Modules/Setup.  That is likely the source of your 
original build failure.

> The 3.2 branch 
> (http://svn.python.org/projects/python/branches/release32-maint) can be 
> compiled without much issue.

That is out-of-date as well.  All current development and maintenance 
branches (2.7, 3.1, 3.2, default(=py3k)) are now maintained in the hg 
repo as described in the developer's guide.

-- 
 Ned Deily,
 nad@acm.org