anchor.diff:  			INSTALL_LUA = true
   		elseif name == "/MW" then
   			USE_MINGW = true
  +		elseif name == "/MSVC" then
  +			USE_MSVC_MANUAL = true
   		elseif name == "/LUA" then
   			vars.LUA_PREFIX = option.value
   		elseif name == "/LIB" then
  
positive.code: 			die("Bad argument: /LV must either be 5.1, 5.2, or 5.3")
  		end
  	end
  end
  
  -- ***********************************************************
  
negative.code: 		end
  	end
  
  	-- finally, we can't detect more, just don't setup the msvc compiler in luarocks.bat.
  	return ""
  end
  
  