if defined VS120COMNTOOLS call :read_vsvars "%VS120COMNTOOLS%"\r
if defined VS110COMNTOOLS call :read_vsvars "%VS110COMNTOOLS%"\r
if defined VS100COMNTOOLS call :read_vsvars "%VS100COMNTOOLS%"\r
if defined VS120COMNTOOLS call :read_vsvars "%VS120COMNTOOLS%"\r
if defined VS110COMNTOOLS call :read_vsvars "%VS110COMNTOOLS%"\r
if defined VS100COMNTOOLS call :read_vsvars "%VS100COMNTOOLS%"\r