Horton

Re: [PATCH] Add native windows on arm64 support

Dave Cramer <davecramer@postgres.rocks>

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From: Dave Cramer <davecramer@postgres.rocks>
To: Andrew Dunstan <andrew@dunslane.net>
Cc: Michael Paquier <michael@paquier.xyz>, Anthony Roberts <anthony.roberts@linaro.org>, Peter Eisentraut <peter@eisentraut.org>, Daniel Gustafsson <daniel@yesql.se>, Tom Lane <tgl@sss.pgh.pa.us>, Mike Holmes <mike.holmes@linaro.org>, Andres Freund <andres@anarazel.de>, Thomas Munro <thomas.munro@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, Lina Iyer <lina.iyer@linaro.org>
Date: 2024-01-26T14:18:50Z
Lists: pgsql-hackers

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On Fri, 26 Jan 2024 at 07:36, Andrew Dunstan <andrew@dunslane.net> wrote:

>
> On 2024-01-25 Th 20:32, Michael Paquier wrote:
> > On Thu, Jan 25, 2024 at 04:52:30PM -0500, Dave Cramer wrote:
> >> On Thu, 25 Jan 2024 at 16:32, Andrew Dunstan <andrew@dunslane.net>
> wrote:
> >>> On 2024-01-25 Th 16:17, Dave Cramer wrote:
> >>> Yeah, I think the default Developer Command Prompt for VS2022 is set up
> >>> for x86 builds. AIUI you should start by executing "vcvarsall
> x64_arm64".
> >> Yup, now I'm in the same state you are
> > Wait a minute here.  Based on [1], x64_arm64 means you can use a x64
> > host and you'll be able to produce ARM64 builds, still these will not
> > be able to run on the host where they were built.  How much of the
> > patch posted upthread is required to produce such builds?  Basically
> > everything from it, I guess, so as build dependencies can be
> > satisfied?
> >
> > [1]:
> https://learn.microsoft.com/en-us/cpp/build/building-on-the-command-line?view=msvc-170
>
>
> If you look at the table here x86 and x64 are the only supported host
> architectures. But that's OK, the x64 binaries will run on arm64 (W11
> ARM64 has x64 emulation builtin). If that didn't work Dave and I would
> not have got as far as we have. But you want the x64_arm64 argument to
> vcvarsall so you will get ARM64 output.
>

I've rebuilt it using  x64_arm64 and with the attached (very naive patch)
and I still get an x64 binary :(

>
>