package ExtUtils::MM_Win32; use strict; =head1 NAME ExtUtils::MM_Win32 - methods to override UN*X behaviour in ExtUtils::MakeMaker =head1 SYNOPSIS use ExtUtils::MM_Win32; # Done internally by ExtUtils::MakeMaker if needed =head1 DESCRIPTION See ExtUtils::MM_Unix for a documentation of the methods provided there. This package overrides the implementation of these methods, not the semantics. =cut use ExtUtils::MakeMaker::Config; use File::Basename; use File::Spec; use ExtUtils::MakeMaker qw( neatvalue ); require ExtUtils::MM_Any; require ExtUtils::MM_Unix; our @ISA = qw( ExtUtils::MM_Any ExtUtils::MM_Unix ); our $VERSION = '6.56'; $ENV{EMXSHELL} = 'sh'; # to run `commands` my $BORLAND = $Config{'cc'} =~ /^bcc/i ? 1 : 0; my $GCC = $Config{'cc'} =~ /\bgcc$/i ? 1 : 0; my $DLLTOOL = $Config{'dlltool'} || 'dlltool'; =head2 Overridden methods =over 4 =item B =cut sub dlsyms { my($self,%attribs) = @_; my($funcs) = $attribs{DL_FUNCS} || $self->{DL_FUNCS} || {}; my($vars) = $attribs{DL_VARS} || $self->{DL_VARS} || []; my($funclist) = $attribs{FUNCLIST} || $self->{FUNCLIST} || []; my($imports) = $attribs{IMPORTS} || $self->{IMPORTS} || {}; my(@m); if (not $self->{SKIPHASH}{'dynamic'}) { push(@m," $self->{BASEEXT}.def: Makefile.PL ", q! $(PERLRUN) -MExtUtils::Mksymlists \\ -e "Mksymlists('NAME'=>\"!, $self->{NAME}, q!\", 'DLBASE' => '!,$self->{DLBASE}, # The above two lines quoted differently to work around # a bug in the 4DOS/4NT command line interpreter. The visible # result of the bug was files named q('extension_name',) *with the # single quotes and the comma* in the extension build directories. q!', 'DL_FUNCS' => !,neatvalue($funcs), q!, 'FUNCLIST' => !,neatvalue($funclist), q!, 'IMPORTS' => !,neatvalue($imports), q!, 'DL_VARS' => !, neatvalue($vars), q!);" !); } join('',@m); } =item replace_manpage_separator Changes the path separator with . =cut sub replace_manpage_separator { my($self,$man) = @_; $man =~ s,/+,.,g; $man; } =item B Since Windows has nothing as simple as an executable bit, we check the file extension. The PATHEXT env variable will be used to get a list of extensions that might indicate a command, otherwise .com, .exe, .bat and .cmd will be used by default. =cut sub maybe_command { my($self,$file) = @_; my @e = exists($ENV{'PATHEXT'}) ? split(/;/, $ENV{PATHEXT}) : qw(.com .exe .bat .cmd); my $e = ''; for (@e) { $e .= "\Q$_\E|" } chop $e; # see if file ends in one of the known extensions if ($file =~ /($e)$/i) { return $file if -e $file; } else { for (@e) { return "$file$_" if -e "$file$_"; } } return; } =item B Using \ for Windows. =cut sub init_DIRFILESEP { my($self) = shift; # The ^ makes sure its not interpreted as an escape in nmake $self->{DIRFILESEP} = $self->is_make_type('nmake') ? '^\\' : $self->is_make_type('dmake') ? '\\\\' : '\\'; } =item B Override some of the Unix specific commands with portable ExtUtils::Command ones. Also provide defaults for LD and AR in case the %Config values aren't set. LDLOADLIBS's default is changed to $Config{libs}. Adjustments are made for Borland's quirks needing -L to come first. =cut sub init_others { my ($self) = @_; $self->{NOOP} ||= 'rem'; $self->{DEV_NULL} ||= '> NUL'; $self->{FIXIN} ||= $self->{PERL_CORE} ? "\$(PERLRUN) $self->{PERL_SRC}/win32/bin/pl2bat.pl" : 'pl2bat.bat'; $self->{LD} ||= 'link'; $self->{AR} ||= 'lib'; $self->SUPER::init_others; # Setting SHELL from $Config{sh} can break dmake. Its ok without it. delete $self->{SHELL}; $self->{LDLOADLIBS} ||= $Config{libs}; # -Lfoo must come first for Borland, so we put it in LDDLFLAGS if ($BORLAND) { my $libs = $self->{LDLOADLIBS}; my $libpath = ''; while ($libs =~ s/(?:^|\s)(("?)-L.+?\2)(?:\s|$)/ /) { $libpath .= ' ' if length $libpath; $libpath .= $1; } $self->{LDLOADLIBS} = $libs; $self->{LDDLFLAGS} ||= $Config{lddlflags}; $self->{LDDLFLAGS} .= " $libpath"; } return 1; } =item init_platform Add MM_Win32_VERSION. =item platform_constants =cut sub init_platform { my($self) = shift; $self->{MM_Win32_VERSION} = $VERSION; } sub platform_constants { my($self) = shift; my $make_frag = ''; foreach my $macro (qw(MM_Win32_VERSION)) { next unless defined $self->{$macro}; $make_frag .= "$macro = $self->{$macro}\n"; } return $make_frag; } =item special_targets Add .USESHELL target for dmake. =cut sub special_targets { my($self) = @_; my $make_frag = $self->SUPER::special_targets; $make_frag .= <<'MAKE_FRAG' if $self->is_make_type('dmake'); .USESHELL : MAKE_FRAG return $make_frag; } =item static_lib Changes how to run the linker. The rest is duplicate code from MM_Unix. Should move the linker code to its own method. =cut sub static_lib { my($self) = @_; return '' unless $self->has_link_code; my(@m); push(@m, <<'END'); $(INST_STATIC): $(OBJECT) $(MYEXTLIB) $(INST_ARCHAUTODIR)$(DFSEP).exists $(RM_RF) $@ END # If this extension has its own library (eg SDBM_File) # then copy that to $(INST_STATIC) and add $(OBJECT) into it. push @m, <<'MAKE_FRAG' if $self->{MYEXTLIB}; $(CP) $(MYEXTLIB) $@ MAKE_FRAG push @m, q{ $(AR) }.($BORLAND ? '$@ $(OBJECT:^"+")' : ($GCC ? '-ru $@ $(OBJECT)' : '-out:$@ $(OBJECT)')).q{ $(CHMOD) $(PERM_RWX) $@ $(NOECHO) $(ECHO) "$(EXTRALIBS)" > $(INST_ARCHAUTODIR)\extralibs.ld }; # Old mechanism - still available: push @m, <<'MAKE_FRAG' if $self->{PERL_SRC} && $self->{EXTRALIBS}; $(NOECHO) $(ECHO) "$(EXTRALIBS)" >> $(PERL_SRC)\ext.libs MAKE_FRAG join('', @m); } =item dynamic_lib Complicated stuff for Win32 that I don't understand. :( =cut sub dynamic_lib { my($self, %attribs) = @_; return '' unless $self->needs_linking(); #might be because of a subdir return '' unless $self->has_link_code; my($otherldflags) = $attribs{OTHERLDFLAGS} || ($BORLAND ? 'c0d32.obj': ''); my($inst_dynamic_dep) = $attribs{INST_DYNAMIC_DEP} || ""; my($ldfrom) = '$(LDFROM)'; my(@m); # one thing for GCC/Mingw32: # we try to overcome non-relocateable-DLL problems by generating # a (hopefully unique) image-base from the dll's name # -- BKS, 10-19-1999 if ($GCC) { my $dllname = $self->{BASEEXT} . "." . $self->{DLEXT}; $dllname =~ /(....)(.{0,4})/; my $baseaddr = unpack("n", $1 ^ $2); $otherldflags .= sprintf("-Wl,--image-base,0x%x0000 ", $baseaddr); } push(@m,' # This section creates the dynamically loadable $(INST_DYNAMIC) # from $(OBJECT) and possibly $(MYEXTLIB). OTHERLDFLAGS = '.$otherldflags.' INST_DYNAMIC_DEP = '.$inst_dynamic_dep.' $(INST_DYNAMIC): $(OBJECT) $(MYEXTLIB) $(BOOTSTRAP) $(INST_ARCHAUTODIR)$(DFSEP).exists $(EXPORT_LIST) $(PERL_ARCHIVE) $(INST_DYNAMIC_DEP) '); if ($GCC) { push(@m, q{ }.$DLLTOOL.q{ --def $(EXPORT_LIST) --output-exp dll.exp $(LD) -o $@ -Wl,--base-file -Wl,dll.base $(LDDLFLAGS) }.$ldfrom.q{ $(OTHERLDFLAGS) $(MYEXTLIB) $(PERL_ARCHIVE) $(LDLOADLIBS) dll.exp }.$DLLTOOL.q{ --def $(EXPORT_LIST) --base-file dll.base --output-exp dll.exp $(LD) -o $@ $(LDDLFLAGS) }.$ldfrom.q{ $(OTHERLDFLAGS) $(MYEXTLIB) $(PERL_ARCHIVE) $(LDLOADLIBS) dll.exp }); } elsif ($BORLAND) { push(@m, q{ $(LD) $(LDDLFLAGS) $(OTHERLDFLAGS) }.$ldfrom.q{,$@,,} .($self->is_make_type('dmake') ? q{$(PERL_ARCHIVE:s,/,\,) $(LDLOADLIBS:s,/,\,) } .q{$(MYEXTLIB:s,/,\,),$(EXPORT_LIST:s,/,\,)} : q{$(subst /,\,$(PERL_ARCHIVE)) $(subst /,\,$(LDLOADLIBS)) } .q{$(subst /,\,$(MYEXTLIB)),$(subst /,\,$(EXPORT_LIST))}) .q{,$(RESFILES)}); } else { # VC push(@m, q{ $(LD) -out:$@ $(LDDLFLAGS) }.$ldfrom.q{ $(OTHERLDFLAGS) } .q{$(MYEXTLIB) $(PERL_ARCHIVE) $(LDLOADLIBS) -def:$(EXPORT_LIST)}); # Embed the manifest file if it exists push(@m, q{ if exist $@.manifest mt -nologo -manifest $@.manifest -outputresource:$@;2 if exist $@.manifest del $@.manifest}); } push @m, ' $(CHMOD) $(PERM_RWX) $@ '; join('',@m); } =item extra_clean_files Clean out some extra dll.{base,exp} files which might be generated by gcc. Otherwise, take out all *.pdb files. =cut sub extra_clean_files { my $self = shift; return $GCC ? (qw(dll.base dll.exp)) : ('*.pdb'); } =item init_linker =cut sub init_linker { my $self = shift; $self->{PERL_ARCHIVE} = "\$(PERL_INC)\\$Config{libperl}"; $self->{PERL_ARCHIVE_AFTER} = ''; $self->{EXPORT_LIST} = '$(BASEEXT).def'; } =item perl_script Checks for the perl program under several common perl extensions. =cut sub perl_script { my($self,$file) = @_; return $file if -r $file && -f _; return "$file.pl" if -r "$file.pl" && -f _; return "$file.plx" if -r "$file.plx" && -f _; return "$file.bat" if -r "$file.bat" && -f _; return; } =item xs_o This target is stubbed out. Not sure why. =cut sub xs_o { return '' } =item pasthru All we send is -nologo to nmake to prevent it from printing its damned banner. =cut sub pasthru { my($self) = shift; return "PASTHRU = " . ($self->is_make_type('nmake') ? "-nologo" : ""); } =item arch_check (override) Normalize all arguments for consistency of comparison. =cut sub arch_check { my $self = shift; # Win32 is an XS module, minperl won't have it. # arch_check() is not critical, so just fake it. return 1 unless $self->can_load_xs; return $self->SUPER::arch_check( map { $self->_normalize_path_name($_) } @_); } sub _normalize_path_name { my $self = shift; my $file = shift; require Win32; my $short = Win32::GetShortPathName($file); return defined $short ? lc $short : lc $file; } =item oneliner These are based on what command.com does on Win98. They may be wrong for other Windows shells, I don't know. =cut sub oneliner { my($self, $cmd, $switches) = @_; $switches = [] unless defined $switches; # Strip leading and trailing newlines $cmd =~ s{^\n+}{}; $cmd =~ s{\n+$}{}; $cmd = $self->quote_literal($cmd); $cmd = $self->escape_newlines($cmd); $switches = join ' ', @$switches; return qq{\$(ABSPERLRUN) $switches -e $cmd --}; } sub quote_literal { my($self, $text) = @_; # I don't know if this is correct, but it seems to work on # Win98's command.com $text =~ s{"}{\\"}g; # dmake eats '{' inside double quotes and leaves alone { outside double # quotes; however it transforms {{ into { either inside and outside double # quotes. It also translates }} into }. The escaping below is not # 100% correct. if( $self->is_make_type('dmake') ) { $text =~ s/{/{{/g; $text =~ s/}}/}}}/g; } return qq{"$text"}; } sub escape_newlines { my($self, $text) = @_; # Escape newlines $text =~ s{\n}{\\\n}g; return $text; } =item cd dmake can handle Unix style cd'ing but nmake (at least 1.5) cannot. It wants: cd dir1\dir2 command another_command cd ..\.. =cut sub cd { my($self, $dir, @cmds) = @_; return $self->SUPER::cd($dir, @cmds) unless $self->is_make_type('nmake'); my $cmd = join "\n\t", map "$_", @cmds; my $updirs = $self->catdir(map { $self->updir } $self->splitdir($dir)); # No leading tab and no trailing newline makes for easier embedding. my $make_frag = sprintf <<'MAKE_FRAG', $dir, $cmd, $updirs; cd %s %s cd %s MAKE_FRAG chomp $make_frag; return $make_frag; } =item max_exec_len nmake 1.50 limits command length to 2048 characters. =cut sub max_exec_len { my $self = shift; return $self->{_MAX_EXEC_LEN} ||= 2 * 1024; } =item os_flavor Windows is Win32. =cut sub os_flavor { return('Win32'); } =item cflags Defines the PERLDLL symbol if we are configured for static building since all code destined for the perl5xx.dll must be compiled with the PERLDLL symbol defined. =cut sub cflags { my($self,$libperl)=@_; return $self->{CFLAGS} if $self->{CFLAGS}; return '' unless $self->needs_linking(); my $base = $self->SUPER::cflags($libperl); foreach (split /\n/, $base) { /^(\S*)\s*=\s*(\S*)$/ and $self->{$1} = $2; }; $self->{CCFLAGS} .= " -DPERLDLL" if ($self->{LINKTYPE} eq 'static'); return $self->{CFLAGS} = qq{ CCFLAGS = $self->{CCFLAGS} OPTIMIZE = $self->{OPTIMIZE} PERLTYPE = $self->{PERLTYPE} }; } sub is_make_type { my($self, $type) = @_; return !! ($self->make =~ /\b$type(?:\.exe)?$/); } 1; __END__ =back =cut