Gentoo Archives: gentoo-dev

From: "Paweł Hajdan
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] Re: RFC: News item regarding c++98 vs c++11
Date: Tue, 21 Oct 2014 17:09:46
Message-Id: 54469343.1000900@gentoo.org
In Reply to: Re: [gentoo-dev] Re: RFC: News item regarding c++98 vs c++11 by Mike Gilbert
1 On 10/21/14 4:25 PM, Mike Gilbert wrote:
2 > On Tue, Oct 21, 2014 at 4:45 AM, Martin Vaeth <martin@×××××.de> wrote:
3 >> Ian Stakenvicius <axs@g.o> wrote:
4 >>> On 20/10/14 06:58 AM, Anthony G. Basile wrote:
5 >>>
6 >>>> I don't think we'll ever want to support a mixed abi system.
7 >>>
8 >>> Can we, even? Would it be a mixed-abi system or a multi-abi system?
9 >>
10 >> I am afraid, we *have* to, in the moment when at least one program
11 >> adds -std=c++11 or -std=gnu++11 by itself (which AFAIK chromium does;
12 >> also eix does, if it can).
13 >
14 > FYI, Chromium currently has a ban on using C++ 11 library features. I
15 > imagine that helps on a system/toolchain with C++ 98 libs.
16 >
17 > http://chromium-cpp.appspot.com/
18
19 Good catch. Two more observations:
20
21 1. The ban on C++11 library features will eventually get lifted as
22 toolchain support on all platforms improves.
23
24 2. We may be linking against C++ libraries like ICU. I'd need to check
25 that, and in many cases it would be Gentoo-specific thing since upstream
26 uses bundled libs by default.
27
28 Paweł

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