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SubjectRe: [kbuild-devel] Re: CML2 design philosophy heads-up
On Mon, May 21, 2001 at 11:58:34AM +0200, Jes Sorensen wrote:
> >>>>> "Jakob" == Jakob ?stergaard <> writes:
> Jakob> On Sun, May 20, 2001 at 10:10:49PM -0400, Robert M. Love wrote:
> >> I think this is a very important point, and one I agree with. I
> >> tend to let my distribution handle stuff like python. now, I use
> >> RedHat's on-going devel, RawHide. it is not using python2. in
> >> fact, since switching to python2 may break old stuff, I don't
> >> expect python2 until 8.0. that wont be for 9 months. 90% of
> >> RedHat's configuration tools, et al, are written in python1 and
> >> they just are not going to change on someone's whim.
> Jakob> 2.6.0 isn't going to happen for at least a year or two. What's
> Jakob> the problem ?
> Jakob> Want 2.5.X ? Get the tools too.
> Some people grab the latest devel kernels because thats all that works
> on their hardware.

And they can grab the latest tools too. Why is this a problem again?
python1.5.x is compatiable w/ python2 EXCEPT in the cases where the script
uses undocumented things which did work in python1.5.x. But that's not as
big of a problem since they can co-exist. Debian already does this (And thus
CML2 already deals with python2 being called 'python2') and I wouldn't be
supprised if the PowerTools python2 rpm someone pointed out makes them
co-exist as well.

Which brings up another point, RedHat (7.1?) and Debian/woody both have the
option of having python2 around. Anyone know about mandrake? My point is
that some dists are already dealing with python2.

> Jakob> I'm in no position to push people around, but I think the
> Jakob> whining about CML2 tool requirements is completely unjustified.
> Jakob> If we required that everything worked with GCC 2.7.2 and nmake,
> Jakob> where would we be today ? I'm a lot more worried about CML2
> Jakob> itself than about the tools it requires :)
> gcc-2.7.2 is broken it miscompiles the kernel, Python1 or bash are
> not.

Well no, but python1 requires another 2k lines of python code or so.
Eric, would it be easy/possible to go back to requiring python 1.5.x for
CML2, since that is what many dists ship with?

> Jakob> Whether CML2 requires python2 or not, the distributions will
> Jakob> change. This is not about Eric pushing something down people's
> Jakob> throats. Tools evolve, and new revisions introduce
> Jakob> incompatibilities, but distributions still follow the
> Jakob> evolution. Nobody ships perl4 today either.
> The point is that Eric has been trying to push distributions to ship
> P2.

Maybe, maybe not. Forgetting about the QA time and whatnot, there's good
odds that all of the python scripts RedHat (for example) ships will just
work with python2. I know one of the PPC dists didn't ship with python2
(which does have a lot of python bits to it) entirely because they were
already in testing when it came out. It's not something the distros
can switch to at a whim, but it's also something which shouldn't cause
them problems when they do.

Tom Rini (TR1265)
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