Patched "distutils._msvccompiler._get_vc_env" for support extra
    compilers.

    Set environment without use of "vcvarsall.bat".

    Known supported compilers
    -------------------------
    Microsoft Visual C++ 14.0:
        Microsoft Visual C++ Build Tools 2015 (x86, x64, arm)
        Microsoft Visual Studio 2017 (x86, x64, arm, arm64)
        Microsoft Visual Studio Build Tools 2017 (x86, x64, arm, arm64)

    Parameters
    ----------
    plat_spec: str
        Target architecture.

    Return
    ------
    environment: dict

def msvc14_get_vc_env(plat_spec):
    """
    Patched "distutils._msvccompiler._get_vc_env" for support extra
    compilers.

    Set environment without use of "vcvarsall.bat".

    Known supported compilers
    -------------------------
    Microsoft Visual C++ 14.0:
        Microsoft Visual C++ Build Tools 2015 (x86, x64, arm)
        Microsoft Visual Studio 2017 (x86, x64, arm, arm64)
        Microsoft Visual Studio Build Tools 2017 (x86, x64, arm, arm64)

    Parameters
    ----------
    plat_spec: str
        Target architecture.

    Return
    ------
    environment: dict
    """
    # Try to get environment from vcvarsall.bat (Classical way)
    try:
        return get_unpatched(msvc14_get_vc_env)(plat_spec)
    except distutils.errors.DistutilsPlatformError:
        # Pass error Vcvarsall.bat is missing
        pass

    # If error, try to set environment directly
    try:
        return EnvironmentInfo(plat_spec, vc_min_ver=14.0).return_env()
    except distutils.errors.DistutilsPlatformError as exc:
        _augment_exception(exc, 14.0)
        raise