Just to chime in.. my understanding of the vc compiler is that it is the same 
for all these cases. The community, profession and enterprise is about extra 
paid features of the IDE. While these are all side by side installable.. the 
code you build, as I understand, is the same. For me at least I don’t see what 
value exists yet in selecting license level values of the MSVS

Jason

Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10

From: Joseph Brill<mailto:joseph.c.br...@gmail.com>
Sent: Tuesday, August 11, 2020 1:55 PM
To: Bill Deegan<mailto:b...@baddogconsulting.com>
Cc: SCons developer list<mailto:scons-dev@scons.org>
Subject: Re: [Scons-dev] MSVC 2017+ Toolset Support

The was a previous iteration that allowed MSVC_VERSION to contain a toolset and 
added a MSVC_PRODUCT variable that could contain a product specification and 
optional component type.

This was described in: 
https://github.com/SCons/scons/issues/3664#issuecomment-643782430<https://eur06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FSCons%2Fscons%2Fissues%2F3664%23issuecomment-643782430&data=02%7C01%7C%7C0c91771b51e348310f4908d83e2826ba%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637327689453041815&sdata=2ZkIEEHXd9IK%2FgJV0HUmYnzmciAjj5FxUvI5TDtvuF0%3D&reserved=0>

Unfortunately, this predates the code being added to version control as it was 
a proof-of-concept that evolved fairly rapidly.

On Tue, Aug 11, 2020 at 2:06 PM Bill Deegan 
<b...@baddogconsulting.com<mailto:b...@baddogconsulting.com>> wrote:
To be clear, I'm not in favor of your proposed MSVC_VERSION regex 
interpretation, so let's table any discussion of that as it's not relevant to 
figuring out how to properly select a version of MSVC and toolset and product 
type.

Am I grossly mistaken, or would separate variables as I've proposed above also 
allow specifying as explicitly as the single string which needs to be regex'd?


On Tue, Aug 11, 2020 at 9:24 AM Joseph Brill 
<joseph.c.br...@gmail.com<mailto:joseph.c.br...@gmail.com>> wrote:
On Tue, Aug 11, 2020 at 11:51 AM Mats Wichmann 
<m...@wichmann.us<mailto:m...@wichmann.us>> wrote:
To throw another spanner into the works, there are Visual Studio product
codes too, which are 16.X for 2019, 15.x for 2017 and 14.0 for 2015...

Nothing is straightforward with the microsoft version numbers.

A mapping was necessary from the vswhere query results containing the MSVS 
version to the MSVC version number.  The explicitly supported component ids are 
listed by product as there are a quite a few component ids in which we are not 
interested.  And yes, one of the components that we are not-interested in 
caused a previous version to fail.

And it looks like I have a typographical error to fix as well...

# Vswhere query elements (reverse dictionaries computed during intialization)

#     MSVS_MAJOR: MSVS installationVersion.split('.')[0] <-> to _VCVER

#     Products: expected product components returned in vswhere query

_MSVC_PRODUCTVERSION_COMPONENTIDS = {

    '14.2': {

        'MSVS_MAJOR' : '16',

        'Products'   : ['Enterprise', 'Professional', 'Community', 'BuildTools']

        },

    '14.1': {

        'MSVS_MAJOR' : '15',

        'Products'   : ['Enterprise', 'Professional', 'Community', 
'BuildTools', _MSVC_COMPONENT_EXPRESS]

        },
}



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