Gentoo Archives: gentoo-dev

From: Samuli Suominen <ssuominen@g.o>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] doubtful about libjpeg-turbo vs. libjpeg binary compatibility
Date: Thu, 19 Jan 2012 17:45:17
Message-Id: 4F185604.2010602@gentoo.org
In Reply to: Re: [gentoo-dev] doubtful about libjpeg-turbo vs. libjpeg binary compatibility by "Paweł Hajdan
1 On 01/19/2012 07:16 PM, "Paweł Hajdan, Jr." wrote:
2 > On 1/19/12 6:02 PM, Samuli Suominen wrote:
3 >> On 01/19/2012 06:56 PM, Mike Frysinger wrote:
4 >>> that doesn't help. the libjpeg turbo peeps themselves have said they
5 >>> don't
6 >>> guarantee compatibility across their own versions.
7 >>
8 >> it's forward compatible, which is all we should care about
9 >
10 > Just a note: that'd require me to DEPEND on a recent enough version of
11 > libjpeg-turbo in the www-client/chromium ebuild, which would mean either:
12 >
13 > a) changing the virtual/jpeg dependency to>=libjpeg-turbo-...
14
15 will be done soon as 1.2.0 is released and stabilized, i'd like to skip
16 1.1.90
17
18 >> and downgrading of libjpeg-turbo
19 >
20 > I think this one should "just work", or at least not allow obvious
21 > mistakes. See my a) b) c) notes above in this e-mail for possible
22 > solutions and ideal SONAME.
23 >
24
25 a) is fine, preventing any downgrades. a fatal check, like glibc and
26 qt4 has to prevent downgrading is an option too, but a bit overkill imho

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