Gentoo Archives: gentoo-dev

From: "Michał Górny" <mgorny@g.o>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] [PATCH] sys-libs/ncurses: Use --cache-file to speedup subsequent econf runs
Date: Tue, 21 Mar 2017 16:31:49
Message-Id: 1490113829.1381.6.camel@gentoo.org
In Reply to: Re: [gentoo-dev] [PATCH] sys-libs/ncurses: Use --cache-file to speedup subsequent econf runs by Alexis Ballier
1 On wto, 2017-03-21 at 17:05 +0100, Alexis Ballier wrote:
2 > On Tue, 21 Mar 2017 16:46:43 +0100
3 > Michał Górny <mgorny@g.o> wrote:
4 >
5 > > Use --cache-file to reuse the previous check results in the subsequent
6 > > configure script runs. This gives a major speed advantage (beating the
7 > > previous parallel runs) and significant CPU savings.
8 >
9 > Just in case (didn't try nor do I know the reasons of this), but I
10 > think this change deserves a round in ~arch:
11 > https://bugs.gentoo.org/show_bug.cgi?id=162875
12
13 confcache is a completely different business. The problem with confcache
14 is that it uses persistent, global cache for lots of packages, which can
15 easily get stale or provide corrupted data. Using local cache is usually
16 safe (except for very broken packages).
17
18 --
19 Best regards,
20 Michał Górny

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