And don't forget how broken recursive make can in fact be: http://aegis.sourceforge.net/auug97.pdf http://aegis.sourceforge.net/auug97.pdf . I lot of builds ar

And don't forget how broken recursive make can in fact be: http://aegis.sourceforge.net/auug97.pdf http://aegis.sourceforge.net/auug97.pdf . I lot of builds are nasty "Heisenbuilds."