Gentoo Archives: gentoo-dev

From: Pacho Ramos <pacho@g.o>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] Suggestion to drop "pcre" from default enabled USE flags in profiles
Date: Wed, 06 Jun 2012 08:53:25
Message-Id: 1338972752.2706.29.camel@belkin4
In Reply to: Re: [gentoo-dev] Suggestion to drop "pcre" from default enabled USE flags in profiles by "Paweł Hajdan
1 El mié, 06-06-2012 a las 10:37 +0200, "Paweł Hajdan, Jr." escribió:
2 > On 6/6/12 10:26 AM, Pacho Ramos wrote:
3 > > After reading:
4 > > https://bugs.gentoo.org/show_bug.cgi?id=419795
5 > >
6 > > I think that would be interesting to try to not get grep build with pcre
7 > > support by default, specially after reading "man grep" and seeing that
8 > > its support is tagged as experimental:
9 >
10 > This is more a reason to mask USE=pcre for grep, rather than taking
11 > global action, where pcre may have different meaning or status for other
12 > packages.
13 >
14
15 I thought about that option at first time, but later I checked grep
16 ChangeLog and saw "pcre" USE flag was dropped time ago but later readded
17 due user request.
18
19 > > Also, at least of my systems there are only a few installed packages
20 > > with this USE flag and, then, I am unsure about real advantage of having
21 > > it enabled by default :-/
22 >
23 > This is a possible reason for dropping it, but I'm not sure. What
24 > exactly uses it and why?
25 >
26 > Paweł
27 >
28
29 In my laptop, just now, only a few:
30 $ equery hasuse pcre
31 * Searching for USE flag pcre ...
32 [IP-] [ ] app-admin/syslog-ng-3.2.5:0
33 [IP-] [ ] dev-lang/swig-2.0.4-r1:0
34 [IP-] [ ] dev-libs/rasqal-0.9.28:0
35 [IP-] [ ] sys-apps/grep-2.9:0
36
37 but running it with "-p" shows me there are a lot that I don't know if
38 their support deserves to be enabled by default :(

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