ExtUtils::MY(3pm) Perl Programmers Reference Guide ExtUtils::MY(3pm)

# [NAME](#NAME)

ExtUtils::MY - ExtUtils::MakeMaker subclass for customization

# [SYNOPSIS](#SYNOPSIS)

```
  # in your Makefile.PL
  sub MY::whatever {
      ...
  }
```

# [DESCRIPTION](#DESCRIPTION)

**FOR INTERNAL USE ONLY**

ExtUtils::MY is a subclass of ExtUtils::MM. It is provided in your Makefile.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.

2026-08-31 perl v5.44.0

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Document: ExtUtils::MY(3pm) from perl 5.44.0-r1 (Chainguard OS)
Source: https://github.com/Perl/perl5.git