considering I am not a contributer, I'll just follow the guidance ...
.cpan/build/Crypt-OpenSSL-PKCS12-0.6-Latc5f 517 > perl Makefile.PL
Unknown function is found at Makefile.PL line 17.
Execution of Makefile.PL aborted due to runtime errors.
If you're a contributor to a project, you may need to install
some Module::Install extensions from CPAN (or other repository).
If you're a user of a module, please contact the author.
Exit 255
.cpan/build/Crypt-OpenSSL-PKCS12-0.6-Latc5f 518 >
This is perl 5, version 14, subversion 1 (v5.14.1) built for x86_64-
linux-ld