Re: Choosing vc++ setup for 14.1

AMDG

On 10/22/2018 10:55 AM, Edward Diener via Boost-build wrote:
> In my user_config.jam I have for msvc-14.1:
> 
> using msvc : 14.1 ;
> using msvc : 14.1c14 : : <cxxflags>"/std:c++14" ;
> using msvc : 14.1c17 : : <cxxflags>"/std:c++latest" ;
> 
> If I invoke b2 with "toolset=msvc-14.1" the msvc-setup.bat shows:
> 
> REM "C:\Program Files (x86)\Microsoft Visual
> Studio\2017\Community\VC\Auxiliary\Build\vcvars32.bat"
> SET CommandPromptType=Native
> SET DevEnvDir=C:\Program Files (x86)\Microsoft Visual
> Studio\2017\Community\Common7\IDE\
> 
> among many other lines, which is certainly correct for vc++ 14.1. But if
> I invoke b2 with "toolset=msvc-14.1c14" or "toolset=msvc-14.1c17" the
> msvc-setup.bat shows:
> 
> REM "C:\Program Files (x86)\Microsoft Visual Studio
> 14.0\VC\vcvarsall.bat" x86
> SET DevEnvDir=C:\Program Files (x86)\Microsoft Visual Studio
> 14.0\Common7\IDE\
> 
> which is the setup for msvc-14.0 and not msvc-14.1.
> 
> Is this a known bug or is my usage of the msvc toolset incorrect ? I am
> able to use the pattern above to invoke other toolsets ( gcc, clang,
> intel ) with different cxxflags.
> 

msvc depends on the version to find the location
of the compiler.  Mangling the version prevents
this from working correctly.  Just pass cxxstd=14
or cxxstd=17 to b2 when building.

In Christ,
Steven Watanabe
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