1 package ExtUtils::MM_Win32;
8 ExtUtils::MM_Win32 - methods to override UN*X behaviour in ExtUtils::MakeMaker
12 use ExtUtils::MM_Win32; # Done internally by ExtUtils::MakeMaker if needed
16 See ExtUtils::MM_Unix for a documentation of the methods provided
17 there. This package overrides the implementation of these methods, not
25 use ExtUtils::MakeMaker qw( neatvalue );
27 use vars qw(@ISA $VERSION $BORLAND $GCC $DMAKE $NMAKE);
29 require ExtUtils::MM_Any;
30 require ExtUtils::MM_Unix;
31 @ISA = qw( ExtUtils::MM_Any ExtUtils::MM_Unix );
34 $ENV{EMXSHELL} = 'sh'; # to run `commands`
36 $BORLAND = 1 if $Config{'cc'} =~ /^bcc/i;
37 $GCC = 1 if $Config{'cc'} =~ /^gcc/i;
38 $DMAKE = 1 if $Config{'make'} =~ /^dmake/i;
39 $NMAKE = 1 if $Config{'make'} =~ /^nmake/i;
42 =head2 Overridden methods
51 my($self,%attribs) = @_;
53 my($funcs) = $attribs{DL_FUNCS} || $self->{DL_FUNCS} || {};
54 my($vars) = $attribs{DL_VARS} || $self->{DL_VARS} || [];
55 my($funclist) = $attribs{FUNCLIST} || $self->{FUNCLIST} || [];
56 my($imports) = $attribs{IMPORTS} || $self->{IMPORTS} || {};
59 if (not $self->{SKIPHASH}{'dynamic'}) {
61 $self->{BASEEXT}.def: Makefile.PL
63 q! $(PERLRUN) -MExtUtils::Mksymlists \\
64 -e "Mksymlists('NAME'=>\"!, $self->{NAME},
65 q!\", 'DLBASE' => '!,$self->{DLBASE},
66 # The above two lines quoted differently to work around
67 # a bug in the 4DOS/4NT command line interpreter. The visible
68 # result of the bug was files named q('extension_name',) *with the
69 # single quotes and the comma* in the extension build directories.
70 q!', 'DL_FUNCS' => !,neatvalue($funcs),
71 q!, 'FUNCLIST' => !,neatvalue($funclist),
72 q!, 'IMPORTS' => !,neatvalue($imports),
73 q!, 'DL_VARS' => !, neatvalue($vars), q!);"
79 =item replace_manpage_separator
81 Changes the path separator with .
85 sub replace_manpage_separator {
92 =item B<maybe_command>
94 Since Windows has nothing as simple as an executable bit, we check the
97 The PATHEXT env variable will be used to get a list of extensions that
98 might indicate a command, otherwise .com, .exe, .bat and .cmd will be
104 my($self,$file) = @_;
105 my @e = exists($ENV{'PATHEXT'})
106 ? split(/;/, $ENV{PATHEXT})
107 : qw(.com .exe .bat .cmd);
109 for (@e) { $e .= "\Q$_\E|" }
111 # see if file ends in one of the known extensions
112 if ($file =~ /($e)$/i) {
113 return $file if -e $file;
117 return "$file$_" if -e "$file$_";
126 The Win9x shell does not expand globs and I'll play it safe and assume
127 other Windows variants don't either.
129 So we do it for them.
134 return join(' ', <t\\*.t>);
138 =item B<init_DIRFILESEP>
144 sub init_DIRFILESEP {
147 # gotta be careful this isn't interpreted as an escape.
148 $self->{DIRFILESEP} = '^\\';
153 Override some of the Unix specific commands with portable
154 ExtUtils::Command ones.
156 Also provide defaults for LD and AR in case the %Config values aren't
159 LDLOADLIBS's default is changed to $Config{libs}.
161 Adjustments are made for Borland's quirks needing -L to come first.
168 # Used in favor of echo because echo won't strip quotes. :(
169 $self->{ECHO} ||= '$(PERLRUN) -le "print qq{@ARGV}"';
170 $self->{TOUCH} ||= '$(PERLRUN) -MExtUtils::Command -e touch';
171 $self->{CHMOD} ||= '$(PERLRUN) -MExtUtils::Command -e chmod';
172 $self->{CP} ||= '$(PERLRUN) -MExtUtils::Command -e cp';
173 $self->{RM_F} ||= '$(PERLRUN) -MExtUtils::Command -e rm_f';
174 $self->{RM_RF} ||= '$(PERLRUN) -MExtUtils::Command -e rm_rf';
175 $self->{MV} ||= '$(PERLRUN) -MExtUtils::Command -e mv';
176 $self->{NOOP} ||= 'rem';
177 $self->{TEST_F} ||= '$(PERLRUN) -MExtUtils::Command -e test_f';
178 $self->{DEV_NULL} ||= '> NUL';
180 # technically speaking, these should be in init_main()
181 $self->{LD} ||= $Config{ld} || 'link';
182 $self->{AR} ||= $Config{ar} || 'lib';
184 $self->SUPER::init_others;
186 $self->{LDLOADLIBS} ||= $Config{libs};
187 # -Lfoo must come first for Borland, so we put it in LDDLFLAGS
189 my $libs = $self->{LDLOADLIBS};
191 while ($libs =~ s/(?:^|\s)(("?)-L.+?\2)(?:\s|$)/ /) {
192 $libpath .= ' ' if length $libpath;
195 $self->{LDLOADLIBS} = $libs;
196 $self->{LDDLFLAGS} ||= $Config{lddlflags};
197 $self->{LDDLFLAGS} .= " $libpath";
204 =item init_platform (o)
206 Add MM_Win32_VERSION.
208 =item platform_constants (o)
215 $self->{MM_Win32_VERSION} = $VERSION;
218 sub platform_constants {
222 foreach my $macro (qw(MM_Win32_VERSION))
224 next unless defined $self->{$macro};
225 $make_frag .= "$macro = $self->{$macro}\n";
232 =item special_targets (o)
234 Add .USESHELL target for dmake.
238 sub special_targets {
241 my $make_frag = $self->SUPER::special_targets;
243 $make_frag .= <<'MAKE_FRAG' if $DMAKE;
253 Changes how to run the linker.
255 The rest is duplicate code from MM_Unix. Should move the linker code
262 return '' unless $self->has_link_code;
266 $(INST_STATIC): $(OBJECT) $(MYEXTLIB) $(INST_ARCHAUTODIR)$(DIRFILESEP).exists
270 # If this extension has its own library (eg SDBM_File)
271 # then copy that to $(INST_STATIC) and add $(OBJECT) into it.
272 push @m, <<'MAKE_FRAG' if $self->{MYEXTLIB};
277 q{ $(AR) }.($BORLAND ? '$@ $(OBJECT:^"+")'
278 : ($GCC ? '-ru $@ $(OBJECT)'
279 : '-out:$@ $(OBJECT)')).q{
280 $(CHMOD) $(PERM_RWX) $@
281 $(NOECHO) $(ECHO) "$(EXTRALIBS)" > $(INST_ARCHAUTODIR)\extralibs.ld
284 # Old mechanism - still available:
285 push @m, <<'MAKE_FRAG' if $self->{PERL_SRC} && $self->{EXTRALIBS};
286 $(NOECHO) $(ECHO) "$(EXTRALIBS)" >> $(PERL_SRC)\ext.libs
289 push @m, "\n", $self->dir_target('$(INST_ARCHAUTODIR)');
294 =item dynamic_lib (o)
296 Complicated stuff for Win32 that I don't understand. :(
301 my($self, %attribs) = @_;
302 return '' unless $self->needs_linking(); #might be because of a subdir
304 return '' unless $self->has_link_code;
306 my($otherldflags) = $attribs{OTHERLDFLAGS} || ($BORLAND ? 'c0d32.obj': '');
307 my($inst_dynamic_dep) = $attribs{INST_DYNAMIC_DEP} || "";
308 my($ldfrom) = '$(LDFROM)';
311 # one thing for GCC/Mingw32:
312 # we try to overcome non-relocateable-DLL problems by generating
313 # a (hopefully unique) image-base from the dll's name
316 my $dllname = $self->{BASEEXT} . "." . $self->{DLEXT};
317 $dllname =~ /(....)(.{0,4})/;
318 my $baseaddr = unpack("n", $1 ^ $2);
319 $otherldflags .= sprintf("-Wl,--image-base,0x%x0000 ", $baseaddr);
323 # This section creates the dynamically loadable $(INST_DYNAMIC)
324 # from $(OBJECT) and possibly $(MYEXTLIB).
325 OTHERLDFLAGS = '.$otherldflags.'
326 INST_DYNAMIC_DEP = '.$inst_dynamic_dep.'
328 $(INST_DYNAMIC): $(OBJECT) $(MYEXTLIB) $(BOOTSTRAP) $(INST_ARCHAUTODIR)$(DIRFILESEP).exists $(EXPORT_LIST) $(PERL_ARCHIVE) $(INST_DYNAMIC_DEP)
332 q{ dlltool --def $(EXPORT_LIST) --output-exp dll.exp
333 $(LD) -o $@ -Wl,--base-file -Wl,dll.base $(LDDLFLAGS) }.$ldfrom.q{ $(OTHERLDFLAGS) $(MYEXTLIB) $(PERL_ARCHIVE) $(LDLOADLIBS) dll.exp
334 dlltool --def $(EXPORT_LIST) --base-file dll.base --output-exp dll.exp
335 $(LD) -o $@ $(LDDLFLAGS) }.$ldfrom.q{ $(OTHERLDFLAGS) $(MYEXTLIB) $(PERL_ARCHIVE) $(LDLOADLIBS) dll.exp });
338 q{ $(LD) $(LDDLFLAGS) $(OTHERLDFLAGS) }.$ldfrom.q{,$@,,}
339 .($DMAKE ? q{$(PERL_ARCHIVE:s,/,\,) $(LDLOADLIBS:s,/,\,) }
340 .q{$(MYEXTLIB:s,/,\,),$(EXPORT_LIST:s,/,\,)}
341 : q{$(subst /,\,$(PERL_ARCHIVE)) $(subst /,\,$(LDLOADLIBS)) }
342 .q{$(subst /,\,$(MYEXTLIB)),$(subst /,\,$(EXPORT_LIST))})
346 q{ $(LD) -out:$@ $(LDDLFLAGS) }.$ldfrom.q{ $(OTHERLDFLAGS) }
347 .q{$(MYEXTLIB) $(PERL_ARCHIVE) $(LDLOADLIBS) -def:$(EXPORT_LIST)});
350 $(CHMOD) $(PERM_RWX) $@
353 push @m, $self->dir_target('$(INST_ARCHAUTODIR)');
359 Clean out some extra dll.{base,exp} files which might be generated by
360 gcc. Otherwise, take out all *.pdb files.
367 my $s = $self->SUPER::clean(@_);
368 my $clean = $GCC ? 'dll.base dll.exp' : '*.pdb';
384 $self->{PERL_ARCHIVE} = "\$(PERL_INC)\\$Config{libperl}";
385 $self->{PERL_ARCHIVE_AFTER} = '';
386 $self->{EXPORT_LIST} = '$(BASEEXT).def';
392 Checks for the perl program under several common perl extensions.
397 my($self,$file) = @_;
398 return $file if -r $file && -f _;
399 return "$file.pl" if -r "$file.pl" && -f _;
400 return "$file.plx" if -r "$file.plx" && -f _;
401 return "$file.bat" if -r "$file.bat" && -f _;
408 This target is stubbed out. Not sure why.
419 All we send is -nologo to nmake to prevent it from printing its damned
426 return "PASTHRU = " . ($NMAKE ? "-nologo" : "");
432 These are based on what command.com does on Win98. They may be wrong
433 for other Windows shells, I don't know.
438 my($self, $cmd, $switches) = @_;
439 $switches = [] unless defined $switches;
441 # Strip leading and trailing newlines
445 $cmd = $self->quote_literal($cmd);
446 $cmd = $self->escape_newlines($cmd);
448 $switches = join ' ', @$switches;
450 return qq{\$(PERLRUN) $switches -e $cmd};
455 my($self, $text) = @_;
457 # I don't know if this is correct, but it seems to work on
458 # Win98's command.com
465 sub escape_newlines {
466 my($self, $text) = @_;
469 $text =~ s{\n}{\\\n}g;
477 Using 31K, a safe number gotten from Windows 2000.
484 return $self->{_MAX_EXEC_LEN} ||= 31 * 1024;