RE: BUG #16825: When building on Windows, cl /? retrun 'x64' not AMD64 and the build does not create x64 environment

From: <robionekenobi(at)bluewin(dot)ch>
To: 'Juan José Santamaría Flecha' <juanjo(dot)santamaria(at)gmail(dot)com>, "'PostgreSQL mailing lists'" <pgsql-bugs(at)lists(dot)postgresql(dot)org>
Subject: RE: BUG #16825: When building on Windows, cl /? retrun 'x64' not AMD64 and the build does not create x64 environment
Date: 2021-01-17 08:31:16
Message-ID: 000001d6ecab$1f6c43c0$5e44cb40$@bluewin.ch
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Hi,

Yes, I see

Don’t know why when I’m doing the cl /? In the Visual Studio path of the x64 Native Command Prompt, the response contains all the help (including the /flavor: ….)

Once I change to the postgresql\src\tools\msvc for to build, the ‘cl /?’ Only gives back 2 lines and say invalid option.

But I also remarked that if you pass ‘cl -?’, it works correctly in both case. Do you think it is possible to change the ‘cl /?’ by ‘cl -?’ ?

Thanks for your help

Regards

Robert

From: Juan José Santamaría Flecha <juanjo(dot)santamaria(at)gmail(dot)com>
Sent: Saturday, January 16, 2021 10:16 PM
To: robionekenobi(at)bluewin(dot)ch; PostgreSQL mailing lists <pgsql-bugs(at)lists(dot)postgresql(dot)org>
Subject: Re: BUG #16825: When building on Windows, cl /? retrun 'x64' not AMD64 and the build does not create x64 environment

On Fri, Jan 15, 2021 at 9:21 AM PG Bug reporting form < <mailto:noreply(at)postgresql(dot)org> noreply(at)postgresql(dot)org> wrote:

in src\tools\msvc\Solution.pm the following test is not sufficient
$self->{platform} =
($output =~ /^\/favor:<.+AMD64/m) ? 'x64' : 'Win32';
because the cl /? returns:
Microsoft (R) C/C++ Optimizing Compiler Version 19.28.29336 for x64
Copyright (C) Microsoft Corporation. All rights reserved.

I see no bug here, that expression is looking for the line: "/favor:<blend|AMD64|INTEL64|ATOM> select processor to optimize for, one of:", which is one of the first printed options.

To make sure this is working in your environment, you should see "Detected hardware platform: x64" when building.

Regards,

Juan José Santamaría Flecha

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