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# ExtUtils::MM_Win32

Perl 5 version 26.0 documentation
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# ExtUtils::MM_Win32

- NAME
- SYNOPSIS
- DESCRIPTION
  - Overridden methods

# NAME

ExtUtils::MM_Win32 - methods to override UN*X behaviour in ExtUtils::MakeMaker

# SYNOPSIS

     use ExtUtils::MM_Win32; # Done internally by ExtUtils::MakeMaker if needed

# DESCRIPTION

See ExtUtils::MM_Unix for a documentation of the methods provided there. This package overrides the implementation of these methods, not the semantics.

## Overridden methods

- dlsyms
- xs_dlsyms_ext

  On Win32, is `.def` .

- replace_manpage_separator

  Changes the path separator with .

- maybe_command

  Since Windows has nothing as simple as an executable bit, we check the file extension.

  The PATHEXT env variable will be used to get a list of extensions that might indicate a command, otherwise .com, .exe, .bat and .cmd will be used by default.

- init_DIRFILESEP

  Using \ for Windows, except for "gmake" where it is /.

- init_tools

  Override some of the slower, portable commands with Windows specific ones.

- init_others

  Override the default link and compile tools.

  LDLOADLIBS's default is changed to $Config{libs}.

  Adjustments are made for Borland's quirks needing -L to come first.

- init_platform

  Add MM_Win32_VERSION.

- platform_constants
- specify_shell

  Set SHELL to $ENV{COMSPEC} only if make is type 'gmake'.

- constants

  Add MAXLINELENGTH for dmake before all the constants are output.

- special_targets

  Add .USESHELL target for dmake.

- static_lib_pure_cmd

  Defines how to run the archive utility

- dynamic_lib

  Methods are overridden here: not dynamic_lib itself, but the utility ones that do the OS-specific work.

- extra_clean_files

  Clean out some extra dll.{base,exp} files which might be generated by gcc. Otherwise, take out all *.pdb files.

- init_linker
- perl_script

  Checks for the perl program under several common perl extensions.

- quote_dep
- xs_obj_opt

  Override to fixup -o flags for MSVC.

- pasthru

  All we send is -nologo to nmake to prevent it from printing its damned banner.

- arch_check (override)

  Normalize all arguments for consistency of comparison.

- oneliner

  These are based on what command.com does on Win98. They may be wrong for other Windows shells, I don't know.

- cd

  dmake can handle Unix style cd'ing but nmake (at least 1.5) cannot. It wants:

          cd dir1\dir2    command    another_command    cd ..\..

- max_exec_len

  nmake 1.50 limits command length to 2048 characters.

- os_flavor

  Windows is Win32.

- cflags

  Defines the PERLDLL symbol if we are configured for static building since all code destined for the perl5xx.dll must be compiled with the PERLDLL symbol defined.

- make_type

  Returns a suitable string describing the type of makefile being written.

Page index

- NAME
- SYNOPSIS
- DESCRIPTION
  - Overridden methods