Any chance to make this universal vehicle? Distinguishing whether it's
Python, Perl or something else would be done somehow in component Makefile.
Maybe this could be used for third party Apache modules once we have
version 2.4 alongside with 2.2.
Petr
On 05/18/12 08:34 PM, Danek Duvall wrote:
Here's something I was playing with a few days go. The problem is that
when you have a package delivering a python module, you have to have a
separate, full manifest for each version of python, even though they're
essentially identical. This is a pretty ugly maintenance burden, since on
update, you have to tweak each one in exactly the same way, and every time
a new python version is introduced or removed, you gotta go add or remove a
ton of manifests. They should be autogenerated.
So here's an attempt at that:
https://cr.opensolaris.org/action/browse/userland/dduvall/pyver/
There are a couple of things to note:
- I've included the ability to do the same thing for Perl. It'll extend
indefinitely, though the way I managed to make make do this requires
that those definitions be somewhat intertwined.
- I'm not even remotely sold on the variable names; if someone has better
ideas, I'm all ears.
- The changes to shared-macros.mk are primarily for performance, though
IIRC, the WS_TOP change is necessary in order that its definition isn't
too slippery (I can't remember now the exact failure mode, though I can
retry that if anyone wants to know).
- The whole canonical-manifests rule was a royal pain in the butt. You'd
think it wouldn't have any effect on what I was trying to do, but it
definitely made things not work until I tweaked everything that used
it. I'm tempted to remove it, since I don't really see its purpose,
but left it in for now.
- Make is annoyingly fragile. And yet it deals with chained rulesets
better than anything else.<sigh>
- Assuming folks are okay with this, I'd rewrite all the modules to use
this, not just mercurial.
Thanks,
Danek
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