* Re: [gentoo-dev] New PDEPEND behaviour.
@ 2007-07-25 12:32 99% ` Brian Harring
0 siblings, 0 replies; 1+ results
From: Brian Harring @ 2007-07-25 12:32 UTC (permalink / raw
To: gentoo-dev
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On Wed, Jul 25, 2007 at 02:08:39PM +0200, Piotr Jaroszy??ski wrote:
> Hello,
>
> As a result of bug #180045 PDEPENDs can be now merged even before the package
> that pulls them. Zmedico says that's intended behaviour and PDEPEND is really
> a RDEPEND, but with a ability to resolve circular deps:
> circular DEPEND <-> RDEPEND can't be resolved while circular DEPEND <->
> PDEPEND can.
> Random behaviour occurs when there is a circular RDEPEND <-> PDEPEND, e.g. bug
> #186517.
>
> We need to update docs or harass zmedico to force PDEPEND to be pulled as soon
> as possible but not before the pkg that pulls it.
PDEPEND (just like RDEPEND), can, and always has been *able* to be
satisfied prior to the node that requires it- the name may suck, but
it's better then BREAK_RDEPEND_CYCLES, thus PDEPEND; it's never been
viewed as a literal "it must be post" however. Semi curious when the
ebuild manpage picked up that description also- would expect its just
a bad choice of words.
If in doubt, suggest you do some experiments with earlier portage
versions, explicitly trying to force a node that is PDEPEND'd upon to
come prior- ought to occur fine. Basically, you're arguing based upon
*most* PDEPEND'd nodes dep'ing on the original PDEPENDer (a cycle,
thus with PDEPEND breaking it, the PDEPEND target coming first due to
resolution rules) - not on rules of PDEPEND.
Either way, proposing that PDEPEND (a cycle breaking RDEPEND), be
literal post is likely going trigger some fun fallout with the
existing consumers of it. Suggest you investigate those before
pushing this idea further.
On the offchance there isn't nasty fallout from your proposal, still
view it as -1 for the change.
~harring
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2007-07-25 12:32 99% ` Brian Harring
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