Checking if your kit is complete... Looks good Writing Makefile for Language::Prolog::SWI Microsoft (R) Program Maintenance Utility Version 7.10.3077 Copyright (C) Microsoft Corporation. All rights reserved. cp SWI/base.pm blib\lib\Language\Prolog\SWI\base.pm AutoSplitting blib\lib\Language\Prolog\SWI\base.pm (blib\lib\auto\Language\Prolog\SWI\base) cp SWI.pm blib\lib\Language\Prolog\SWI.pm nmake -f /usr/doc/swig1.3/examples/Makefile CXXSRCS='SWIProlog.cpp' SWIG='swig' LIBS='-lpl -dl -lreadline -lcurses -lm' SWIGOPT='-proxy' TARGET='SWI' INTERFACE='SWI.i' perl5_cpp NMAKE : U1065: invalid option 'm' Stop. NMAKE : fatal error U1077: '"C:\Program Files\Microsoft Visual Studio .NET 2003\VC7\BIN\nmake.exe"' : return code '0x2' Stop.