[Pythonmac-SIG] [Python-Dev] Fwd: Broken link to download (Mac OS X)

[Michael Foord]

On 25/04/2010 15:31, Ronald Oussoren wrote:
> On 24 Apr, 2010, at 18:19, Michael Foord wrote:
>
>    
>> On 18/04/2010 16:48, Ronald Oussoren wrote:
>>      
>>> [snip...]
>>>        
>>>>     Michael>  A build on my machine produces output similar to:
>>>>
>>>>     Michael>  Python build finished, but the necessary bits to build these modules
>>>>     Michael>  were not found:
>>>>     Michael>  _bsddb             dl                 gdbm
>>>>
>>>>          
>>> * _bsddb and gdbm require external libraries that aren't provided in the system install
>>>
>>>        
>> Sorry for duplicating this conversation - just going through my outstanding emails. Feel free to ignore the one on python-dev.
>>
>> What are the external libraries? This is probably documented somewhere, so could you point me to it? (Sorry - my ignorance I know.)
>>      
> gdbm and bsddb are python wrappers for C libraries that aren't part of OSX, if you want to use them you have to install those C libraries manually (GNU DBM and Sleepycat DB).
>
>    

Is all this documented anywhere? (A description of how to do a "full" 
build - all supported modules - on Mac OS X.)

>>      
>>> * dl doesn't get build on OSX 10.6 when you use the default configure settings because that results in a 64-bit binary and setup.py explicitly disables building the dl module for 64-bit platforms. Apple has a patch that enables building dl on 64-bit OSX, I haven't had time to check if that patch is actually valid.
>>>
>>>
>>>        
>> Ok. I would be interested in how to do a 32bit build.
>>      
> "configure --enable-universalsdk=/ " results in a binary that is 32-bit and runs natively on i386 and ppc machines.
>    

Thanks. I discovered this after a bit of googling - it works for me and 
results in a working build of Tkinter.

>    
>>>>     Michael>  readline           spwd               sunaudiodev
>>>>
>>>>          
>>> readline requires an external library or python 2.6.5, 2.7 or 3.2.
>>>        
>> Hmm... I have readline installed (via homebrew). Is that not sufficient?
>>      
> That should work, but only when setup.py finds that readline install.
>
>    

How do I configure that? It looks like the location needs to be in 
PyBuildExt.compiler.lib_dirs - inherited from 
distutils.command.build_ext.build_ext. It doesn't look very easily 
configurable.

The documentation is a little "terse" (i.e. non-existent): 
http://docs.python.org/distutils/apiref.html#module-distutils.command.build_ext

All the best,

Michael Foord

>>> This one should work. Do you have a /Library/Framework/Tcl.framework? If so, what is the output of "file /Library/Frameworks/Tcl.framework/Tcl", what OSX release are you building on and what are the configure flags.
>>>
>>>
>>>        
>> OS X 10.6.3.
>>
>> $ file /Library/Frameworks/Tcl.framework/Tcl
>> /Library/Frameworks/Tcl.framework/Tcl: Mach-O universal binary with 2 architectures
>> /Library/Frameworks/Tcl.framework/Tcl (for architecture ppc):   Mach-O dynamically linked shared library ppc
>> /Library/Frameworks/Tcl.framework/Tcl (for architecture i386):  Mach-O dynamically linked shared library i386
>>
>> My configure command is: ./configure --prefix=/dev/null --with-pydebug
>>      
> On 10.6 the compiler generates 64-bit code by default, use:
>
> configure --enable-universalsdk=/ ...
>
> Ronald
>
>    


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