[LLVMdev] RFC: Drop support running LLVM on Windows XP

[NAKAMURA Takumi]

+1. We may focus Windows 7, aka NT6.1, as the baseline.

2015年7月14日(火) 7:48 Aaron Ballman <aaron at aaronballman.com>:

> On Mon, Jul 13, 2015 at 6:26 PM, Reid Kleckner <rnk at google.com> wrote:
> > Nobody objected to raising the bar, so I think we can go ahead and do
> this.
> > Keeping the XP support until 3.7 ships seems reasonable as it's less
> > disruptive.
>
> Agreed.
>
> > Should we consider bypassing Vista and jumping to 7 as the lowest
> supported
> > Windows version as David suggested? I think we should document 7 as the
> > recommended baseline. After we start using some of the newer APIs, we can
> > see if users complain and evaluate the burden of maintaining Vista
> support
> > at that time.
>
> I think it's reasonable to switch to Windows 7 at this point. Vista's
> mainstream support ended in 2012 and only has extended support until
> 2017, so it's sunsetting already.
>
> ~Aaron
>
> >
> > On Mon, Jul 13, 2015 at 2:28 PM, Greg Bedwell <gregbedwell at gmail.com>
> wrote:
> >>
> >> Hi all,
> >>
> >> It looks like this conversation stalled.  I have a local patch that I'd
> >> like to send upstream (automatically generating Windows crash dumps on
> >> clang/LLVM crashes) that makes use of a Windows API function that
> requires
> >> _WIN32_WINNT set to 0x0600 at minimum so I'd like to restart the
> >> conversation!
> >>
> >> As there have so far been no objections that I've seen and we're
> branching
> >> imminently, it feels like a perfect time to make this change as soon as
> the
> >> release branch is taken, and adding a release note for 3.7 to the
> effect of
> >> it being the final version supporting XP.  I don't think there's been a
> >> clear conclusion on what we should raise it to though.
> >>
> >> Any thoughts on this?
> >>
> >> Thanks,
> >> -Greg
> >>
> >>
> >> On 31 October 2014 at 16:30, Robinson, Paul
> >> <Paul_Robinson at playstation.sony.com> wrote:
> >>>
> >>> We formally support our toolchain only on Windows 7 onward, so it's
> okay
> >>> with us.
> >>>
> >>> (Please make sure this goes in the release notes when you start doing
> >>> something not supported in XP and/or Vista.)
> >>>
> >>> --paulr
> >>>
> >>>
> >>>
> >>> From: llvmdev-bounces at cs.uiuc.edu [mailto:llvmdev-bounces at cs.uiuc.edu]
> On
> >>> Behalf Of Jim Rowan
> >>> Sent: Friday, October 31, 2014 1:05 PM
> >>> To: Reid Kleckner
> >>> Cc: LLVM Developers Mailing List
> >>> Subject: Re: [LLVMdev] RFC: Drop support running LLVM on Windows XP
> >>>
> >>>
> >>>
> >>> +1
> >>>
> >>>
> >>>
> >>> On Oct 30, 2014, at 3:29 PM, Reid Kleckner wrote:
> >>>
> >>>
> >>>
> >>> I'd like to raise our baseline Windows system requirements to Vista,
> >>> dropping support for running LLVM on Windows XP. Microsoft dropped
> support
> >>> for XP half a year ago in April 2014.
> >>>
> >>>
> >>>
> >>> Our current status is that we require VS 2012 to build LLVM, and VS
> 2012
> >>> only runs on Vista+, but it has the ability produce binaries that run
> on XP.
> >>> During the C++11-pocalypse, users expressed interest in keeping this
> >>> working. I'm proposing that we drop support for this.
> >>>
> >>>
> >>>
> >>> Vista introduced a lot of handy system APIs that could significantly
> >>> simplify LLVM's Support library. For example, I'd really like to use
> the
> >>> blessed one-time initialization routines in this CL:
> >>>
> >>> http://reviews.llvm.org/D5922
> >>>
> >>>
> >>>
> >>> Vista also introduced a bunch of condition variable APIs that I know
> less
> >>> about, but that's another reason we might want to raise our base
> requirement
> >>> as people look into parallel LTO and codegen. It also seems likely
> that we
> >>> will want to use some of the new C++11 library features that are only
> >>> present in newer CRTs, which don't run on XP.
> >>>
> >>>
> >>>
> >>> Please respond if you have any objections. If there are no strong
> >>> objections, I think we can start using Vista+ APIs in a week or so. We
> can
> >>> still change our minds and revert stuff before the release if users
> feel
> >>> this is too short notice.
> >>>
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> >>>
> >>>
> >>>
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> >>>
> >>>
> >>>
> >>>
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> >>
> >
> >
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