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.\" ========================================================================
.\"
.IX Title "ExtUtils::MM_Win32 3perl"
.TH ExtUtils::MM_Win32 3perl "2020-07-21" "perl v5.28.1" "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 \s-1PATHEXT\s0 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 \*(L"gmake\*(R" 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
\&\s-1LDLOADLIBS\s0's default is changed to \f(CW$Config\fR{libs}.
.Sp
Adjustments are made for Borland's quirks needing \-L to come first.
.IP "init_platform" 4
.IX Item "init_platform"
Add MM_Win32_VERSION.
.IP "platform_constants" 4
.IX Item "platform_constants"
.PD 0
.IP "specify_shell" 4
.IX Item "specify_shell"
.PD
Set \s-1SHELL\s0 to \f(CW$ENV\fR{\s-1COMSPEC\s0} only if make is type 'gmake'.
.IP "constants" 4
.IX Item "constants"
Add \s-1MAXLINELENGTH\s0 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 \s-1MSVC.\s0
.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 "cflags" 4
.IX Item "cflags"
Defines the \s-1PERLDLL\s0 symbol if we are configured for static building since all
code destined for the perl5xx.dll must be compiled with the \s-1PERLDLL\s0 symbol
defined.
.IP "make_type" 4
.IX Item "make_type"
Returns a suitable string describing the type of makefile being written.