open(IN,'<Makefile.org') || die "unable to read Makefile.org:$!\n";
unlink("$Makefile.new") || die "unable to remove old $Makefile.new:$!\n" if -e "$Makefile.new";
open(OUT,">$Makefile.new") || die "unable to create $Makefile.new:$!\n";
open(IN,'<Makefile.org') || die "unable to read Makefile.org:$!\n";
unlink("$Makefile.new") || die "unable to remove old $Makefile.new:$!\n" if -e "$Makefile.new";
open(OUT,">$Makefile.new") || die "unable to create $Makefile.new:$!\n";