Building python modules with a non-default version

[Alejandro Pulver]

On Tue, 23 Oct 2007 22:51:53 -0400
Joe Marcus Clarke <marcus at marcuscom.com> wrote:

> > I understand the problem. Then I guess INDEX is used for calculating
> > dependencies on the Tinderbox (like the pretty-print-*-list targets in
> > bsd.port.mk) and pointyhat, because it works when building in a normal
> > environment.
> 
> INDEX is used to build the Makefile on pointyhat, but not in Tinderbox.
> However, Tinderbox uses a similar algorithm to pointyhat which allows
> for sparse ports trees.  Both systems _should_ produce identical results
> in terms of builds and packages.
> 
> > 
> > If my guess was correct then the solution could be to generate the
> > dependencies without INDEX in Tinderbox and pointyhat.
> 
> Given the environment which this works, I do not see a good solution
> that will produce consistent, well-checked packages.  That is, there is
> no way to do true dependency and plists checking if we do not calculate
> dependencies on a per-port basis.
> 
> It seems the best solution to your problem, at least for Tinderbox, is
> to change the default Python version in the Build environment.  This
> won't help on pointyhat, but perhaps the port should be marked
> NO_PACKAGE there.
> 
> Joe
> 

Thanks for the explanation (also to Ade), then I will add something
like:

.if defined(PACKAGE_BUILDING) && \
    ${PYTHON_VERSION} != ${PYTHON_DEFAULT_VERSION}
IGNORE=	needs Python ${PYTHON_VERSION} as default on pointyhat/TB
.endif

I think it should be marked as IGNORE since NO_PACKAGE is for ports
that build but the package should not be created for some reason, and
in this case it won't build. Also BROKEN would be for a
temporary/fixable failure.

First I was surprised with the use of depend_args to pass
PYTHON_VERSION and was planning to add something similar to bsd.lua.mk,
but I will have to reconsider it.

Best Regards,
Ale
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