use Mojo::Base -base;

su -
PERL_MM_USE_DEFAULT=1 cpan Mojo::Base

~$ find /usr/ -name Base.pm
/usr/share/perl5/IO/Compress/Base.pm
/usr/share/perl5/IO/Uncompress/Base.pm
/usr/share/perl5/vendor_perl/Date/Manip/Base.pm
/usr/share/perl5/vendor_perl/TAP/Formatter/Base.pm
/usr/share/perl5/vendor_perl/TAP/Base.pm
/usr/share/perl5/vendor_perl/DateTime/Locale/Base.pm
/usr/share/perl5/vendor_perl/XML/SAX/Base.pm
/usr/share/perl5/URI/file/Base.pm
/usr/share/perl5/ExtUtils/Constant/Base.pm

~$ ./supertest.pl
Can't locate Mojo/Base.pm in @INC (you may need to install the Mojo::Base module) (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at ./supertest.pl line 6.
BEGIN failed--compilation aborted at ./supertest.pl line 6.