Gentoo Archives: gentoo-dev

From: Mike Frysinger <vapier@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 18:54:34
Message-Id: 201206061453.31258.vapier@gentoo.org
In Reply to: Re: [gentoo-dev] Suggestion to drop "pcre" from default enabled USE flags in profiles by Pacho Ramos
1 On Wednesday 06 June 2012 14:06:47 Pacho Ramos wrote:
2 > The problem is that grep keeps linked against libpcre and it can cause
3 > problems like pointed in referred bug report, and it's really risky as
4 > people can have their portage completely broken for example when libpcre
5 > is downgraded for some reason. That doesn't sound like a good *default*
6 > behavior for me
7
8 there are plenty of core tools that can be broken by other packages forcing
9 broken behavior like library downgrades. and FEATURES=preserve-libs would
10 gracefully handle this.
11
12 off the top of my head, lib dependencies that can bring a system down:
13 - bash links against ncurses & readline
14 - sed links against acl
15 - coreutils links against acl/libcap/selinux/gmp
16 - grep links against pcre
17 (with at least USE=acl being a profile default)
18
19 so highlighting the grep/pcre dep doesn't seem like it accomplishes much
20 -mike

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