To build libtess.lib: 1) Run expand from %AP_ROOT%\tools\x86\glu 1) tree copy the entire src directory to %AP_ROOT%\src\appel\libtess. (tc src %AP_ROOT%\src\appel\libtess) 2) nmake fresh from %AP_ROOT%\src\appel\libtess directory 3) libtess.lib will be built in %AP_ROOT%\build\win\debug(ship)\libtess.