[petsc-dev] windows fixes.

[Barry Smith]

On Jun 28, 2013, at 2:36 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> Barry Smith <bsmith at mcs.anl.gov> writes:
> 
>>    I was just kidding; I do think decorators are a better design. But
>>    I don't want --download-python just so they can be used in a
>>    couple of random places :-)
> 
> I agree that one thing is not worth it, but if we added
> --download-python up to python-2.6, we could clean up BuildSystem using
> 'with' statements and could make it also work with python-3, which has
> been the default Python on Arch Linux for almost two years now and will
> be default on Ubuntu and other systems next year (with python2 not
> installed by default).  At some point, we will either be asking users to
> install an old Python to use PETSc or we'll have to limit our
> backward-compatibility, asking users of antique operating systems to
> either upgrade their Python or use --download-python.

   One day we will switch from python 2* to python 3*, just not yet.

   Barry