Re: [gentoo-dev] [PATCH] sys-libs/ncurses: Use --cache-file to speedup subsequent econf runs

[Michał Górny]

On wto, 2017-03-21 at 17:55 +0100, Alexis Ballier wrote:
> On Tue, 21 Mar 2017 17:30:29 +0100
> Michał Górny <mgorny@g.o> wrote:
>
> > On wto, 2017-03-21 at 17:05 +0100, Alexis Ballier wrote:
> > > On Tue, 21 Mar 2017 16:46:43 +0100
> > > Michał Górny <mgorny@g.o> wrote:
> > >
> > > > Use --cache-file to reuse the previous check results in the
> > > > subsequent configure script runs. This gives a major speed
> > > > advantage (beating the previous parallel runs) and significant
> > > > CPU savings.
> > >
> > > Just in case (didn't try nor do I know the reasons of this), but I
> > > think this change deserves a round in ~arch:
> > > https://bugs.gentoo.org/show_bug.cgi?id=162875
> >
> > confcache is a completely different business. The problem with
> > confcache is that it uses persistent, global cache for lots of
> > packages, which can easily get stale or provide corrupted data. Using
> > local cache is usually safe (except for very broken packages).
>
>
> yes you're right, but that still doesn't justify pushing straight to
> stable for a package in @system
> (the same applies to the other patches)

If you really believe users should suffer a 30-minute rebuild for
a build-time fix, sure.

-- 
Best regards,
Michał Górny