ExtUtils::MY(3) Perl Programmers Reference Guide ExtUtils::MY(3) NAME ExtUtils::MY - ExtUtils::MakeMaker subclass for customization SYNOPSIS # in your Makefile.PL sub MY::whatever { ... } DESCRIPTION FOR INTERNAL USE ONLY ExtUtils::MY is a subclass of ExtUtils::MM. It is provided in your Make- file.PL for you to add and override MakeMaker functionality. It also provides a convenient alias via the MY class. ExtUtils::MY might turn out to be a temporary solution, but MY won't go away. perl v5.44.0 2026-06-22 ExtUtils::MY(3)