$ perl Makefile.PL
Can't locate ExtUtils/F77.pm in @INC (@INC contains: . /etc/perl /usr/local/lib/perl/5.8.8 /usr/local/share/perl/5.8.8 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.8 /usr/share/perl/5.8 /usr/local/lib/site_perl) at Makefile.PL line 11.
BEGIN failed--compilation aborted at Makefile.PL line 11.