[llvm-dev] [RFC] migrating past C++11 (original) (raw)

Mehdi AMINI via llvm-dev llvm-dev at lists.llvm.org
Wed Jan 23 15:19:11 PST 2019

On Wed, Jan 23, 2019 at 9:37 AM via llvm-dev <llvm-dev at lists.llvm.org> wrote:

Please include MSVC in the table. While the picture on Windows is way less complicated than for *nix, it's still a platform and toolchain that matter to a number of us in the community.

Separately, there was talk of needing to have bots that specifically use the oldest supported toolchains, otherwise we can't genuinely promise that they are really supported (don't want feature dependencies creeping in by accident).

IMHO the difference between "supported" and having a bot validating the configuration is whether we accept patches to fix issues on this particular platform.

Otherwise, I believe historically it has been up to the users that care about a platform to provide CI ressources for it. Do we have an alternative plan?

-- Mehdi

From: llvm-dev [mailto:llvm-dev-bounces at lists.llvm.org] *On Behalf Of *James Y Knight via llvm-dev Sent: Wednesday, January 23, 2019 10:36 AM To: Krzysztof Parzyszek Cc: llvm-dev Subject: Re: [llvm-dev] [RFC] migrating past C++11

I'd expect that either we'll either workaround the issues (e.g. not start using the broken feature), or else propose to require even newer versions. And as now, discuss the expected tradeoff between new features and requiring new compiler versions. On Wed, Jan 23, 2019 at 10:22 AM Krzysztof Parzyszek via llvm-dev <_ _llvm-dev at lists.llvm.org> wrote: On 1/22/2019 3:44 PM, JF Bastien via llvm-dev wrote: > One clear upside of dropping older toolchains: they don’t even support > C++11 very well. Do we know that the proposed newer compilers support C++14 very well? If we encounter issues with them, how are we going to deal with that? -Krzysztof -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation

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