[Python-Dev] cpython (2.7): - Issue #17086: Backport the patches from the 3.3 branch to cross-build

[Antonio Cavallo]

I personally agree that huge changesets aren't good. But I can also see 
the problem of cross compiling should be sooner or later addressed.

I'm fairly interested in cross building python on android too.

A point to support cross compiling (instead native build arm-on-arm) 
could be android doesn't provide (to my knowledge) a native toolchain: 
that's a quite large target.

And assuming arm equals unix so there's always an installed or 
installable compiler on it is not always the case.


If I can suggest a simple solution that'd be a simple makefile to 
compile python (I have one on my own): no "configure" magic involved 
more akin to the windows build style (yes, I've just said the W* word).

I hope this helps,
antonio



>>>>    - Issue #17086: Backport the patches from the 3.3 branch to cross-build
>>>>    the package.
>>> You aren't supposed to add new features to bugfix branches. Did you
>>> have a specific reason to do this?
>> One of the reasons for the long maintenance period on 2.7 is to keep
>> it building as the underlying platforms change. With the rise of ARM
>> systems, being able to reliably cross-build Python 2.7 for ARM from an
>> x86_64 system is fairly important.
>
> I would like to see a better argument for this. The rise of ARM systems
> is the rise of ARM systems powerful enough to build Python without
> cross-compiling (which is why we *now* have ARM buildbots).
> The very small ARM systems which need cross-compiling have existed for
> decades.
>
>> That said, as a procedural point for build related new features in
>> 2.7, I agree they should be proposed, with an explicit rationale, on
>> python-dev before proceeding with the commit.
>
> I think this huge changeset should be reverted. It's a complete failure
> in terms of procedure and following the rules. "Just because it can be
> useful" is not a good enough reason to violate our release model
> without even asking.
>
> Regards
>
> Antoine.
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