@echo off pushd rem Set flag to enable special mechanism of "FilterCache". rem This works for windows only! ... this batch too :-) set ENVCFLAGS=-DENABLE_GENERATEFILTERCACHE rem Touch header file ... cd ..\..\inc\classes attrib -r .\filtercache.hxx touch .\filtercache.hxx rem ... and start new build of library. cd ..\.. call build debug=true rem Build command line tool too. cd test\typecfg call dmake debug=true rem Don't forget to disable build flag! unset ENVCFLAGS popd echo on