[Scons-users] SCons 3.0.3 and Visual Studio 2017

[Daniel Moody]

Using the script is a bit slower, but for the newer versions that have that
MSVC version number in the path I think we might have to use the script.
Also when using the script, you can still get in a situation where the
script exists and runs, but you don't have C++ tools installed, so scons
could select a version that you can't build c++ with.

Possible solution using the script, I still want to add a way to check if
the C++ tools are really installed by checking that cl is in the path:
https://github.com/SCons/scons/compare/master...dmoody256:msvc_use_script_to_check?expand=1


On Tue, Jan 8, 2019 at 3:31 PM Henrik Edin via Scons-users <
scons-users at scons.org> wrote:

> Hi,
>
>
>
> I tried the new 3.0.3 version that just got released in the MongoDB
> codebase and noticed that the Visual Studio 2017 detection seem to be
> broken (Explicitly setting MSVC_VERSION=14.1 works).
>
>
>
> I activated the MSCommon debugging and got the following output:
>
>
>
> msvc_setup_env()
>
> get_default_version()
>
> get_default_version(): msvc_version:None msvs_version:None
>
> trying to find VC 14.1
>
> find_vc_dir(): found VC in registry: C:\Program Files (x86)\Microsoft
> Visual Studio\2017\Professional\VC
>
> found VC 14.1
>
> find_vc_pdir no cl.exe found 14.1
>
>
>
> It seems like the following commit is the culprit:
> https://github.com/SCons/scons/commit/57d09cd12f950ba938ab0164f3b68ed937353318
>
>
>
> cl.exe is not located under \bin for VS 2017. In the installation on my
> system the location is: C:\Program Files (x86)\Microsoft Visual
> Studio\2017\Professional\VC\Tools\MSVC\14.16.27023\bin\HostX64\x64\cl.exe
>
>
>
> I don’t think there’s a good way to get this path other than to load the
> environment variables with the batch file.
>
>
>
> Henrik
>
>
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