@echo off

REM (allen): quit early if we already have cl
where /q cl
IF %ERRORLEVEL% EQU 0 (EXIT)

SET "LIB="

SET VC_PATH=C:\Program Files (x86)\Microsoft Visual Studio 12.0
IF NOT DEFINED LIB (IF EXIST "%VC_PATH%" (call "%VC_PATH%\VC\vcvarsall.bat" %1))

SET VC_PATH=C:\Program Files (x86)\Microsoft Visual Studio 11.0
IF NOT DEFINED LIB (IF EXIST "%VC_PATH%" (call "%VC_PATH%\VC\vcvarsall.bat" %1))

SET VC_PATH=C:\Program Files (x86)\Microsoft Visual Studio 10.0
IF NOT DEFINED LIB (IF EXIST "%VC_PATH%" (call "%VC_PATH%\VC\vcvarsall.bat" %1))

SET VC_PATH=C:\Program Files (x86)\Microsoft Visual Studio 13.0
IF NOT DEFINED LIB (IF EXIST "%VC_PATH%" (call "%VC_PATH%\VC\vcvarsall.bat" %1))

SET VC_PATH=C:\Program Files (x86)\Microsoft Visual Studio 14.0
IF NOT DEFINED LIB (IF EXIST "%VC_PATH%" (call "%VC_PATH%\VC\vcvarsall.bat" %1))

SET VC_PATH=C:\Program Files (x86)\Microsoft Visual Studio\2017\Community
IF NOT DEFINED LIB (IF EXIST "%VC_PATH%" (call "%VC_PATH%\VC\Auxiliary\Build\vcvarsall.bat" %1))