How to clean the obj and lib files generated by nmake

Question

I am using nmake in VS 2012 console to compile GDAL, I want to know which command could help me to remove all files generated by nmake command last time.

c:\gdal>nmake clean

Microsoft (R) Program Maintenance Utility Version 11.00.60610.1
Copyright (C) Microsoft Corporation.  All rights reserved.

NMAKE : fatal error U1073: don't know how to make 'clean'
Stop.

Answer 1

I got it, after having a look into makefile.vc, there is a clean target in it. Just execute the following command:

nmake /f makefile.vc clean