# phpman > man > ExtUtils::MM_OS2(3pm)

## NAME
    [ExtUtils::MM_OS2](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AMMOS2/markdown) - methods to override UN*X behaviour in [ExtUtils::MakeMaker](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AMakeMaker/markdown)

## SYNOPSIS
     use [ExtUtils::MM_OS2](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AMMOS2/markdown); # Done internally by [ExtUtils::MakeMaker](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AMakeMaker/markdown) if needed

## DESCRIPTION
    See [ExtUtils::MM_Unix](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AMMUnix/markdown) for a documentation of the methods provided there. This package overrides
    the implementation of these methods, not the semantics.

## METHODS
    init_dist
        Define TO_UNIX to convert OS2 linefeeds to Unix style.

    init_linker
    os_flavor
        OS/2 is OS/2

    xs_static_lib_is_xs