cpan[5]> install Bio::SeqIO
Running install for module 'Bio::SeqIO'
Checksum for /home/uce/.cpan/sources/authors/id/C/CJ/CJFIELDS/BioPerl-1.6.924.tar.gz ok
Scanning cache /home/uce/.cpan/build for sizes
............................................................................DONE
Configuring C/CJ/CJFIELDS/BioPerl-1.6.924.tar.gz with Build.PL
Checking prerequisites...
  recommends:
    *  DB_File is not installed
    *  GraphViz is not installed
    *  SOAP::Lite is not installed

Checking optional features...
Bio::DB::GFF Tests....disabled
  requires:
    ! DBI is not installed
DB_File Tests.........disabled
  requires:
    ! DB_File is not installed
EntrezGene............disabled
  requires:
    ! Bio::ASN1::EntrezGene is not installed
MySQL Tests...........disabled
  requires:
    ! DBD::mysql is not installed
    ! DBI is not installed
Pg Tests..............disabled
  requires:
    ! DBD::Pg is not installed
    ! DBI is not installed
SQLite Tests..........disabled
  requires:
    ! DBD::SQLite is not installed
    ! DBI is not installed

ERRORS/WARNINGS FOUND IN PREREQUISITES.  You may wish to install the versions
of the modules indicated above before proceeding with this installation

Install [a]ll BioPerl scripts, [n]one, or choose groups [i]nteractively? [a] ^CWarning: No success on command[/usr/local/bin/perl Build.PL --installdirs site]
  CJFIELDS/BioPerl-1.6.924.tar.gz
  /usr/local/bin/perl Build.PL --installdirs site -- NOT OK
Failed during this command:
 CJFIELDS/BioPerl-1.6.924.tar.gz              : writemakefile NO '/usr/local/bin/perl Build.PL --installdirs site' returned status 2