Gentoo Archives: gentoo-dev

From: "Diego Elio Pettenò" <flameeyes@g.o>
To: gentoo-dev@l.g.o
Subject: [gentoo-dev] Re: GCC upgrades, FUD and gentoo documentation
Date: Mon, 10 Oct 2011 11:45:43
Message-Id: 1318247102.2603.7.camel@raven.home.flameeyes.eu
In Reply to: Re: [gentoo-dev] GCC upgrades, FUD and gentoo documentation by James Cloos
1 Il giorno dom, 09/10/2011 alle 12.35 -0400, James Cloos ha scritto:
2 >
3 >
4 > Ie, ln(1) cannot find some of the symbols it needs if the .so was
5 > compiled with 4.5 and the .o files with 4.6.
6 >
7 > Which looks like an ABI issue, yes?
8
9 Not really. GCC, like most other libraries, only supports
10 forward-compatibility. Which means that you can use code built against
11 4.5 when using 4.6.
12
13 Mixing and matching is never high priority and usually doesn't work.
14
15 On the other hand without any specifics as to what failed for you it is
16 difficult to judge whether you found an ABI break or simply a bug in
17 your library or code...
18
19 --
20 Diego Elio Pettenò — Flameeyes
21 http://blog.flameeyes.eu/

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