anchor.diff:    cd build
     cmake ..
     if %ERRORLEVEL% NEQ 0 goto ERROR
  -  rem devenv gtest.sln /build "Release"
     msbuild.exe gtest.sln /p:Configuration=Release
     if %ERRORLEVEL% NEQ 0 goto ERROR
     echo built. copying artifacts.
  
positive.code: @echo off
  rem rime build script for msvc toolchain.
  rem
  rem 2012-11-25 <chen.sst@gmail.com>
  
  set BACK=%CD%
  
  
negative.code: if %build_thirdparty% == 1 (
    echo building glog.
    cd "%RIME_ROOT%"\thirdparty\src\glog
    msbuild.exe google-glog-vc12.sln /p:Configuration=Release
    if %ERRORLEVEL% NEQ 0 goto ERROR
    echo built. copying artifacts.
  