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.\"
.IX Title "ExtUtils::MM_Win32 3pm"
.TH ExtUtils::MM_Win32 3pm 2023-11-28 "perl v5.38.2" "Perl Programmers Reference Guide"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH NAME
ExtUtils::MM_Win32 \- methods to override UN*X behaviour in ExtUtils::MakeMaker
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 1
\& use ExtUtils::MM_Win32; # Done internally by ExtUtils::MakeMaker if needed
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
See ExtUtils::MM_Unix for a documentation of the methods provided
there. This package overrides the implementation of these methods, not
the semantics.
.SS "Overridden methods"
.IX Subsection "Overridden methods"
.IP \fBdlsyms\fR 4
.IX Item "dlsyms"
.PD 0
.IP xs_dlsyms_ext 4
.IX Item "xs_dlsyms_ext"
.PD
On Win32, is \f(CW\*(C`.def\*(C'\fR.
.IP replace_manpage_separator 4
.IX Item "replace_manpage_separator"
Changes the path separator with .
.IP \fBmaybe_command\fR 4
.IX Item "maybe_command"
Since Windows has nothing as simple as an executable bit, we check the
file extension.
.Sp
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.
.IP \fBinit_DIRFILESEP\fR 4
.IX Item "init_DIRFILESEP"
Using \e for Windows, except for "gmake" where it is /.
.IP init_tools 4
.IX Item "init_tools"
Override some of the slower, portable commands with Windows specific ones.
.IP init_others 4
.IX Item "init_others"
Override the default link and compile tools.
.Sp
LDLOADLIBS's default is changed to \f(CW$Config\fR{libs}.
.Sp
Adjustments are made for Borland's quirks needing \-L to come first.
.IP init_platform 4
.IX Item "init_platform"
Add MM_Win32_VERSION.
.IP platform_constants 4
.IX Item "platform_constants"
.PD 0
.IP specify_shell 4
.IX Item "specify_shell"
.PD
Set SHELL to \f(CW$ENV\fR{COMSPEC} only if make is type 'gmake'.
.IP constants 4
.IX Item "constants"
Add MAXLINELENGTH for dmake before all the constants are output.
.IP special_targets 4
.IX Item "special_targets"
Add .USESHELL target for dmake.
.IP static_lib_pure_cmd 4
.IX Item "static_lib_pure_cmd"
Defines how to run the archive utility
.IP dynamic_lib 4
.IX Item "dynamic_lib"
Methods are overridden here: not dynamic_lib itself, but the utility
ones that do the OS-specific work.
.IP extra_clean_files 4
.IX Item "extra_clean_files"
Clean out some extra dll.{base,exp} files which might be generated by
gcc.  Otherwise, take out all *.pdb files.
.IP init_linker 4
.IX Item "init_linker"
.PD 0
.IP perl_script 4
.IX Item "perl_script"
.PD
Checks for the perl program under several common perl extensions.
.IP quote_dep 4
.IX Item "quote_dep"
.PD 0
.IP xs_obj_opt 4
.IX Item "xs_obj_opt"
.PD
Override to fixup \-o flags for MSVC.
.IP pasthru 4
.IX Item "pasthru"
All we send is \-nologo to nmake to prevent it from printing its damned
banner.
.IP "arch_check (override)" 4
.IX Item "arch_check (override)"
Normalize all arguments for consistency of comparison.
.IP oneliner 4
.IX Item "oneliner"
These are based on what command.com does on Win98.  They may be wrong
for other Windows shells, I don't know.
.IP cd 4
.IX Item "cd"
dmake can handle Unix style cd'ing but nmake (at least 1.5) cannot.  It
wants:
.Sp
.Vb 4
\&    cd dir1\edir2
\&    command
\&    another_command
\&    cd ..\e..
.Ve
.IP max_exec_len 4
.IX Item "max_exec_len"
nmake 1.50 limits command length to 2048 characters.
.IP os_flavor 4
.IX Item "os_flavor"
Windows is Win32.
.IP dbgoutflag 4
.IX Item "dbgoutflag"
Returns a CC flag that tells the CC to emit a separate debugging symbol file
when compiling an object file.
.IP cflags 4
.IX Item "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.
.IP make_type 4
.IX Item "make_type"
Returns a suitable string describing the type of makefile being written.