tar xvzf ExtUtils-MakeMaker-$OLDVER.tar.gz cd ExtUtils-MakeMaker-$OLDVER perl Makefile.PL PREFIX=/tmp/oldMM LIB=/tmp/oldMM/lib/perl5 make test install export PERL5LIB=/tmp/oldMM/lib/perl5${PERL5LIB:+:$PERL5LIB} ...proceed to install Mail-SpamCannibal...