message: Ignore Clang binaries that target MSVC but arent' clang-cl
diff: @@ -194,7 +194,12 @@ export async function kitIfCompiler(bin: string, pr?: ProgressReporter): Promise
  pr.report({message: `Getting Clang version for ${bin}`});
  const version = await getClangVersion(bin);
  if (version === null) {
  - return version;
  + return null;
  + }
  + if (version.target && version.target.includes('msvc')) {
  + // DO NOT include Clang's that target MSVC but don't present the MSVC
  + // command-line interface. CMake does not support them properly.
  + return null;
  }
  const clangxx_fname = fname.replace(/^clang/, 'clang++');
  const clangxx_bin = path.join(path.dirname(bin), clangxx_fname);
  