[Python-Dev] problems building python2.7

[Hans Mulder]

On 9/11/12 10:57:22, Chris Withers wrote:
> Hi All,
> 
> I wanted to run the unit tests before checking in the patch for
> http://bugs.python.org/issue16441, even though it's a trivial change, so
> I was trying to follow the instructions at:
> 
> http://docs.python.org/devguide/
> 
> I'm on MacOS, so following the "unix" instructions did:
> 
> ./configure --with-pydebug && make -j2
> 
> This appears to have worked, given the end of the output:
> 
> Python build finished, but the necessary bits to build these modules
> were not found:
> _bsddb             dl                 gdbm
> imageop            linuxaudiodev      ossaudiodev
> readline           spwd               sunaudiodev
> To find the necessary bits, look in setup.py in detect_modules() for the
> module's name.
> 
> running build_scripts
> creating build/scripts-2.7
> copying and adjusting /Users/chris/LocalHG/cpython/Tools/scripts/pydoc
> -> build/scripts-2.7
> copying and adjusting /Users/chris/LocalHG/cpython/Tools/scripts/idle ->
> build/scripts-2.7
> copying and adjusting /Users/chris/LocalHG/cpython/Tools/scripts/2to3 ->
> build/scripts-2.7
> copying and adjusting /Users/chris/LocalHG/cpython/Lib/smtpd.py ->
> build/scripts-2.7
> changing mode of build/scripts-2.7/pydoc from 644 to 755
> changing mode of build/scripts-2.7/idle from 644 to 755
> changing mode of build/scripts-2.7/2to3 from 644 to 755
> changing mode of build/scripts-2.7/smtpd.py from 644 to 755
> [65930 refs]
> 
> However, I can't find the python it's built...

On my system, it's in the current directory.  It's called "python.exe",
to avoid a name clash with the "Python" subdirectory.

> I thought I'd be clever and try:
> 
> buzzkill:cpython chris$ cat build/scripts-2.7/2to3
> #!/usr/local/bin/python2.7
> ...

Presumable, it would be installed in /usr/local/bin if I'd tried
"make install".

> There is a python there, but it's a symlink put in place around a year ago.

Same here.

> So, where should I look for the built python?

In the current directory:
$ ./python.exe
Python 2.7.3+ (2.7:8b181c75792f, Nov  9 2012, 11:26:59)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>>


Hope this helps,

-- HansM