package ExtUtils::MM_Win32; use strict; use warnings; =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 L 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 _sprintf562); require ExtUtils::MM_Any; require ExtUtils::MM_Unix; our @ISA = qw( ExtUtils::MM_Any ExtUtils::MM_Unix ); our $VERSION = '7.70'; $VERSION =~ tr/_//d; $ENV{EMXSHELL} = 'sh'; # to run `commands` my ( $BORLAND, $GCC, $MSVC ) = _identify_compiler_environment( \%Config ); sub _identify_compiler_environment { my ( $config ) = @_; my $BORLAND = $config->{cc} =~ /\bbcc/i ? 1 : 0; my $GCC = $config->{cc} =~ /\bgcc\b/i ? 1 : 0; my $MSVC = $config->{cc} =~ /\b(?:cl|icl)/i ? 1 : 0; # MSVC can come as clarm.exe, icl=Intel C return ( $BORLAND, $GCC, $MSVC ); } =head2 Overridden methods =over 4 =item B =cut sub dlsyms { my($self,%attribs) = @_; return '' if $self->{SKIPHASH}{'dynamic'}; $self->xs_dlsyms_iterator(\%attribs); } =item xs_dlsyms_ext On Win32, is C<.def>. =cut sub xs_dlsyms_ext { '.def'; } =item replace_manpage_separator Changes the path separator with . =cut sub replace_manpage_separator { my($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$_"; } } return; } =item B Using \ for Windows, except for "gmake" where it is /. =cut sub init_DIRFILESEP { my($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') ? '\\\\' : $self->is_make_type('gmake') ? '/' : '\\'; } =item init_tools Override some of the slower, portable commands with Windows specific ones. =cut sub init_tools { my ($self) = @_; $self->{NOOP} ||= 'rem'; $self->{DEV_NULL} ||= '> NUL'; $self->{FIXIN} ||= $self->{PERL_CORE} ? "\$(PERLRUN) -I$self->{PERL_SRC}\\cpan\\ExtUtils-PL2Bat\\lib $self->{PERL_SRC}\\win32\\bin\\pl2bat.pl" : 'pl2bat.bat'; $self->SUPER::init_tools; # Setting SHELL from $Config{sh} can break dmake. Its ok without it. delete $self->{SHELL}; return; } =item 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. =cut sub init_others { my $self = shift; $self->{LD} ||= 'link'; $self->{AR} ||= 'lib'; $self->SUPER::init_others; $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} .= " $libpath"; } return; } =item init_platform Add MM_Win32_VERSION. =item platform_constants =cut sub init_platform { my($self) = shift; $self->{MM_Win32_VERSION} = $VERSION; return; } sub platform_constants { my($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 specify_shell Set SHELL to $ENV{COMSPEC} only if make is type 'gmake'. =cut sub specify_shell { my $self = shift; return '' unless $self->is_make_type('gmake'); "\nSHELL = $ENV{COMSPEC}\n"; } =item constants Add MAXLINELENGTH for dmake before all the constants are output. =cut sub constants { my $self = shift; my $make_text = $self->SUPER::constants; return $make_text unless $self->is_make_type('dmake'); # dmake won't read any single "line" (even those with escaped newlines) # larger than a certain size which can be as small as 8k. PM_TO_BLIB # on large modules like DateTime::TimeZone can create lines over 32k. # So we'll crank it up to a WHOPPING 64k. # # This has to come here before all the constants and not in # platform_constants which is after constants. my $size = $self->{MAXLINELENGTH} || 800000; my $prefix = qq{ # Get dmake to read long commands like PM_TO_BLIB MAXLINELENGTH = $size }; return $prefix . $make_text; } =item special_targets Add .USESHELL target for dmake. =cut sub special_targets { my($self) = @_; my $make_frag = $self->SUPER::special_targets; $make_frag .= <<'MAKE_FRAG' if $self->is_make_type('dmake'); .USESHELL : MAKE_FRAG return $make_frag; } =item static_lib_pure_cmd Defines how to run the archive utility =cut sub static_lib_pure_cmd { my ($self, $from) = @_; $from =~ s/(\$\(\w+)(\))/$1:^"+"$2/g if $BORLAND; sprintf qq{\t\$(AR) %s\n}, ($BORLAND ? '$@ ' . $from : ($GCC ? '-ru $@ ' . $from : '-out:$@ ' . $from)); } =item dynamic_lib Methods are overridden here: not dynamic_lib itself, but the utility ones that do the OS-specific work. =cut sub xs_make_dynamic_lib { my ($self, $attribs, $from, $to, $todir, $ldfrom, $exportlist) = @_; my @m = sprintf '%s : %s $(MYEXTLIB) %s$(DFSEP).exists %s $(PERL_ARCHIVEDEP) $(INST_DYNAMIC_DEP)'."\n", $to, $from, $todir, $exportlist; if ($GCC) { # per https://rt.cpan.org/Ticket/Display.html?id=78395 no longer # uses dlltool - relies on post 2002 MinGW # 1 2 push @m, _sprintf562 <<'EOF', $exportlist, $ldfrom; $(LD) %1$s -o $@ $(LDDLFLAGS) %2$s $(OTHERLDFLAGS) $(MYEXTLIB) "$(PERL_ARCHIVE)" $(LDLOADLIBS) -Wl,--enable-auto-image-base EOF } elsif ($BORLAND) { my $ldargs = $self->is_make_type('dmake') ? q{"$(PERL_ARCHIVE:s,/,\,)" $(LDLOADLIBS:s,/,\,) $(MYEXTLIB:s,/,\,),} : q{"$(subst /,\,$(PERL_ARCHIVE))" $(subst /,\,$(LDLOADLIBS)) $(subst /,\,$(MYEXTLIB)),}; my $subbed; if ($exportlist eq '$(EXPORT_LIST)') { $subbed = $self->is_make_type('dmake') ? q{$(EXPORT_LIST:s,/,\,)} : q{$(subst /,\,$(EXPORT_LIST))}; } else { # in XSMULTI, exportlist is per-XS, so have to sub in perl not make ($subbed = $exportlist) =~ s#/#\\#g; } push @m, sprintf <<'EOF', $ldfrom, $ldargs . $subbed; $(LD) $(LDDLFLAGS) $(OTHERLDFLAGS) %s,$@,,%s,$(RESFILES) EOF } else { # VC push @m, sprintf <<'EOF', $ldfrom, $exportlist; $(LD) -out:$@ $(LDDLFLAGS) %s $(OTHERLDFLAGS) $(MYEXTLIB) "$(PERL_ARCHIVE)" $(LDLOADLIBS) -def:%s EOF # Embed the manifest file if it exists push(@m, q{ if exist $@.manifest mt -nologo -manifest $@.manifest -outputresource:$@;2 if exist $@.manifest del $@.manifest}); } push @m, "\n\t\$(CHMOD) \$(PERM_RWX) \$\@\n"; join '', @m; } sub xs_dynamic_lib_macros { my ($self, $attribs) = @_; my $otherldflags = $attribs->{OTHERLDFLAGS} || ($BORLAND ? 'c0d32.obj': ''); my $inst_dynamic_dep = $attribs->{INST_DYNAMIC_DEP} || ""; sprintf <<'EOF', $otherldflags, $inst_dynamic_dep; # This section creates the dynamically loadable objects from relevant # objects and possibly $(MYEXTLIB). OTHERLDFLAGS = %s INST_DYNAMIC_DEP = %s EOF } =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}"; $self->{PERL_ARCHIVEDEP} = "\$(PERL_INCDEP)\\$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 "$file.bat" && -f _; return; } sub can_dep_space { my ($self) = @_; return 0 unless $self->can_load_xs; require Win32; require File::Spec; my ($vol, $dir) = File::Spec->splitpath($INC{'ExtUtils/MakeMaker.pm'}); # can_dep_space via GetShortPathName, if short paths are supported my $canary = Win32::GetShortPathName(File::Spec->catpath($vol, $dir, 'MakeMaker.pm')); (undef, undef, my $file) = File::Spec->splitpath($canary); return (length $file > 11) ? 0 : 1; } =item quote_dep =cut sub quote_dep { my ($self, $arg) = @_; if ($arg =~ / / and not $self->is_make_type('gmake')) { require Win32; $arg = Win32::GetShortPathName($arg); die <SUPER::quote_dep($arg); } =item xs_obj_opt Override to fixup -o flags for MSVC. =cut sub xs_obj_opt { my ($self, $output_file) = @_; ($MSVC ? "/Fo" : "-o ") . $output_file; } =item pasthru All we send is -nologo to nmake to prevent it from printing its damned banner. =cut sub pasthru { my($self) = shift; my $old = $self->SUPER::pasthru; return $old unless $self->is_make_type('nmake'); $old =~ s/(PASTHRU\s*=\s*)/$1 -nologo /; $old; } =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, $opts) = @_; $opts->{allow_variables} = 1 unless defined $opts->{allow_variables}; # See: http://www.autohotkey.net/~deleyd/parameters/parameters.htm#CPP # Apply the Microsoft C/C++ parsing rules $text =~ s{\\\\"}{\\\\\\\\\\"}g; # \\" -> \\\\\" $text =~ s{(? \\\" $text =~ s{(? \" $text = qq{"$text"} if $text =~ /[ \t#]/; # hash because gmake 4.2.1 # Apply the Command Prompt parsing rules (cmd.exe) my @text = split /("[^"]*")/, $text; # We should also escape parentheses, but it breaks one-liners containing # $(MACRO)s in makefiles. s{([<>|&^@!])}{^$1}g foreach grep { !/^"[^"]*"$/ } @text; $text = join('', @text); # dmake expands {{ to { and }} to }. if( $self->is_make_type('dmake') ) { $text =~ s/{/{{/g; $text =~ s/}/}}/g; } $text = $opts->{allow_variables} ? $self->escape_dollarsigns($text) : $self->escape_all_dollarsigns($text); return $text; } sub escape_newlines { my($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 dbgoutflag Returns a CC flag that tells the CC to emit a separate debugging symbol file when compiling an object file. =cut sub dbgoutflag { $MSVC ? '-Fd$(*).pdb' : ''; } =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 = $self->{PERLTYPE} }; } =item make_type Returns a suitable string describing the type of makefile being written. =cut sub make_type { my ($self) = @_; my $make = $self->make; $make = +( File::Spec->splitpath( $make ) )[-1]; $make =~ s!\.exe$!!i; if ( $make =~ m![^A-Z0-9]!i ) { ($make) = grep { m!make!i } split m![^A-Z0-9]!i, $make; } return "$make-style"; } 1; __END__ =back