[Perl]install String/CRC32.pm

Can't locate String/CRC32.pm in @INC (@INC contains: /etc/perl /usr/lib/perl5/site_perl/5.12.2/i686-linux /usr/lib/perl5/site_perl/5.12.2 /usr/lib/perl5/vendor_perl/5.12.2/i686-linux /usr/lib/perl5/vendor_perl/5.12.2 /usr/lib/perl5/5.12.2/i686-linux /usr/lib/perl5/5.12.2 /usr/lib/perl5/site_perl /usr/lib/perl5/vendor_perl /usr/local/lib/site_perl .) at mod.pl line 3.
BEGIN failed--compilation aborted at mod.pl line 3.

#cpan
cpan# install CRC32

Fetching with LWP:
ftp://cpan.cs.pu.edu.tw/pub/CPAN/modules/03modlist.data.gz
Going to read '/root/.cpan/sources/modules/03modlist.data.gz'
............................................................................DONE
Going to write /root/.cpan/Metadata
Warning: Cannot install CRC32, don't know what it is.
Try the command

i /CRC32/

to find objects with matching identifiers.

cpan[3]> i /CRC32/
Distribution FAYS/Digest-Crc32-0.01.tar.gz
Distribution SOENKE/String-CRC32-1.4.tar.gz
Module < Digest::Crc32 (FAYS/Digest-Crc32-0.01.tar.gz)
Module < String::CRC32 (SOENKE/String-CRC32-1.4.tar.gz)
4 items found

cpan[4]> install String::CRC32
Running install for module 'String::CRC32'
Running make for S/SO/SOENKE/String-CRC32-1.4.tar.gz