When you are building a module, all the files that need to be installed get created under a blib/ directory. So copy all those files onto the second computer into the places they got installed on the first computer.

AUTOLOAD is a function that is called when some other called function in that package isn't defined. Your AUTOLOAD will recurse if constant() isn't defined, and constant() is presumably provided by the XS portion of the module.

Note that you'll have to have libcurl installed on the second computer.