All non-XS Perl code can be bundled that way and the XS stuff can be installed normally on any of a thousand configurations.

If this is a learning exercise, great! But the public presence makes it sound like it's supposed to be for consumption. You will not do better than the modules mentioned above because they are the fruits of some of the best hackers in perldom + years of effort, tests, and user patches and feedback.

As long as you include and abide by appropriate license info, you can copy any open source code into your distribution. No problem!