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package ExtUtils::CBuilder::Platform::Windows; use strict; use warnings; use File::Basename; use File::Spec; use ExtUtils::CBuilder::Base; use IO::File; our $VERSION = '0.280238'; # VERSION our @ISA = qw(ExtUtils::CBuilder::Base); =begin comment The compiler-specific packages implement functions for generating properly formatted commandlines for the compiler being used. Each package defines two primary functions 'format_linker_cmd()' & 'format_compiler_cmd()' that accepts a list of named arguments (a hash) and returns a list of formatted options suitable for invoking the compiler. By default, if the compiler supports scripting of its operation then a script file is built containing the options while those options are removed from the commandline, and a reference to the script is pushed onto the commandline in their place. Scripting the compiler in this way helps to avoid the problems associated with long commandlines under some shells. =end comment =cut sub new { my $class = shift; my $self = $class->SUPER::new(@_); my $cf = $self->{config}; # Inherit from an appropriate compiler driver class my $driver = "ExtUtils::CBuilder::Platform::Windows::" . $self->_compiler_type; eval "require $driver" or die "Could not load compiler driver: $@"; unshift @ISA, $driver; return $self; } sub _compiler_type { my $self = shift; my $cc = $self->{config}{cc}; return ( $cc =~ /cl(\.exe)?$/ ? 'MSVC' : $cc =~ /bcc32(\.exe)?$/ ? 'BCC' : 'GCC'); } # native quoting, not shell quoting sub quote_literal { my ($self, $string) = @_; # some of these characters don't need to be quoted for "native" quoting, but # quote them anyway so they are more likely to make it through cmd.exe if (length $string && $string !~ /[ \t\n\x0b"|<>%]/) { return $string; } $string =~ s{(\\*)(?="|\z)}{$1$1}g; $string =~ s{"}{\\"}g; return qq{"$string"}; } sub split_like_shell { # Since Windows will pass the whole command string (not an argument # array) to the target program and make the program parse it itself, # we don't actually need to do any processing here. (my $self, local $_) = @_; return @$_ if defined() && UNIVERSAL::isa($_, 'ARRAY'); return unless defined() && length(); return ($_); } sub do_system { # See above my $self = shift; my $cmd = join ' ', grep length, map {$a=$_;$a=~s/\t/ /g;$a=~s/^\s+|\s+$//;$a} grep defined, @_; if (!$self->{quiet}) { print $cmd . "\n"; } local $self->{quiet} = 1; return $self->SUPER::do_system($cmd); } sub arg_defines { my ($self, %args) = @_; s/"/\\"/g foreach values %args; return map qq{"-D$_=$args{$_}"}, sort keys %args; } sub compile { my ($self, %args) = @_; my $cf = $self->{config}; die "Missing 'source' argument to compile()" unless defined $args{source}; $args{include_dirs} = [ $args{include_dirs} ] if exists($args{include_dirs}) && ref($args{include_dirs}) ne "ARRAY"; my ($basename, $srcdir) = ( File::Basename::fileparse($args{source}, '\.[^.]+$') )[0,1]; $srcdir ||= File::Spec->curdir(); my @defines = $self->arg_defines( %{ $args{defines} || {} } ); my %spec = ( srcdir => $srcdir, builddir => $srcdir, basename => $basename, source => $args{source}, output => $args{object_file} || File::Spec->catfile($srcdir, $basename) . $cf->{obj_ext}, cc => $cf->{cc}, cflags => [ $self->split_like_shell($cf->{ccflags}), $self->split_like_shell($cf->{cccdlflags}), $self->split_like_shell($args{extra_compiler_flags}), ], optimize => [ $self->split_like_shell($cf->{optimize}) ], defines => \@defines, includes => [ @{$args{include_dirs} || []} ], perlinc => [ $self->perl_inc(), $self->split_like_shell($cf->{incpath}), ], use_scripts => 1, # XXX provide user option to change this??? ); $self->normalize_filespecs( \$spec{source}, \$spec{output}, $spec{includes}, $spec{perlinc}, ); my @cmds = $self->format_compiler_cmd(%spec); while ( my $cmd = shift @cmds ) { $self->do_system( @$cmd ) or die "error building $cf->{dlext} file from '$args{source}'"; } (my $out = $spec{output}) =~ tr/'"//d; return $out; } sub need_prelink { 1 } sub link { my ($self, %args) = @_; my $cf = $self->{config}; my @objects = ( ref $args{objects} eq 'ARRAY' ? @{$args{objects}} : $args{objects} ); my $to = join '', (File::Spec->splitpath($objects[0]))[0,1]; $to ||= File::Spec->curdir(); (my $file_base = $args{module_name}) =~ s/.*:://; my $output = $args{lib_file} || File::Spec->catfile($to, "$file_base.$cf->{dlext}"); # if running in perl source tree, look for libs there, not installed my $lddlflags = $cf->{lddlflags}; my $perl_src = $self->perl_src(); $lddlflags =~ s{\Q$cf->{archlibexp}\E[\\/]CORE}{$perl_src/lib/CORE} if $perl_src; my %spec = ( srcdir => $to, builddir => $to, startup => [ ], objects => \@objects, libs => [ ], output => $output, ld => $cf->{ld}, libperl => $cf->{libperl}, perllibs => [ $self->split_like_shell($cf->{perllibs}) ], libpath => [ $self->split_like_shell($cf->{libpth}) ], lddlflags => [ $self->split_like_shell($lddlflags) ], other_ldflags => [ $self->split_like_shell($args{extra_linker_flags} || '') ], use_scripts => 1, # XXX provide user option to change this??? ); unless ( $spec{basename} ) { ($spec{basename} = $args{module_name}) =~ s/.*:://; } $spec{srcdir} = File::Spec->canonpath( $spec{srcdir} ); $spec{builddir} = File::Spec->canonpath( $spec{builddir} ); $spec{output} ||= File::Spec->catfile( $spec{builddir}, $spec{basename} . '.'.$cf->{dlext} ); $spec{manifest} ||= $spec{output} . '.manifest'; $spec{implib} ||= File::Spec->catfile( $spec{builddir}, $spec{basename} . $cf->{lib_ext} ); $spec{explib} ||= File::Spec->catfile( $spec{builddir}, $spec{basename} . '.exp' ); if ($cf->{cc} eq 'cl') { $spec{dbg_file} ||= File::Spec->catfile( $spec{builddir}, $spec{basename} . '.pdb' ); } elsif ($cf->{cc} eq 'bcc32') { $spec{dbg_file} ||= File::Spec->catfile( $spec{builddir}, $spec{basename} . '.tds' ); } $spec{def_file} ||= File::Spec->catfile( $spec{srcdir} , $spec{basename} . '.def' ); $spec{base_file} ||= File::Spec->catfile( $spec{srcdir} , $spec{basename} . '.base' ); $self->add_to_cleanup( grep defined, @{[ @spec{qw(manifest implib explib dbg_file def_file base_file map_file)} ]} ); foreach my $opt ( qw(output manifest implib explib dbg_file def_file map_file base_file) ) { $self->normalize_filespecs( \$spec{$opt} ); } foreach my $opt ( qw(libpath startup objects) ) { $self->normalize_filespecs( $spec{$opt} ); } (my $def_base = $spec{def_file}) =~ tr/'"//d; $def_base =~ s/\.def$//; $self->prelink( %args, dl_name => $args{module_name}, dl_file => $def_base, dl_base => $spec{basename} ); my @cmds = $self->format_linker_cmd(%spec); while ( my $cmd = shift @cmds ) { $self->do_system( @$cmd ); } $spec{output} =~ tr/'"//d; return wantarray ? grep defined, @spec{qw[output manifest implib explib dbg_file def_file map_file base_file]} : $spec{output}; } # canonize & quote paths sub normalize_filespecs { my ($self, @specs) = @_; foreach my $spec ( grep defined, @specs ) { if ( ref $spec eq 'ARRAY') { $self->normalize_filespecs( map {\$_} grep defined, @$spec ) } elsif ( ref $spec eq 'SCALAR' ) { $$spec =~ tr/"//d if $$spec; next unless $$spec; $$spec = '"' . File::Spec->canonpath($$spec) . '"'; } elsif ( ref $spec eq '' ) { $spec = '"' . File::Spec->canonpath($spec) . '"'; } else { die "Don't know how to normalize " . (ref $spec || $spec) . "\n"; } } } # directory of perl's include files sub perl_inc { my $self = shift; my $perl_src = $self->perl_src(); if ($perl_src) { File::Spec->catdir($perl_src, "lib", "CORE"); } else { File::Spec->catdir($self->{config}{archlibexp},"CORE"); } } 1; __END__ =head1 NAME ExtUtils::CBuilder::Platform::Windows - Builder class for Windows platforms =head1 DESCRIPTION This module implements the Windows-specific parts of ExtUtils::CBuilder. Most of the Windows-specific stuff has to do with compiling and linking C code. Currently we support the 3 compilers perl itself supports: MSVC, BCC, and GCC. This module inherits from C<ExtUtils::CBuilder::Base>, so any functionality not implemented here will be implemented there. The interfaces are defined by the L<ExtUtils::CBuilder> documentation. =head1 AUTHOR Ken Williams <ken@mathforum.org> Most of the code here was written by Randy W. Sims <RandyS@ThePierianSpring.org>. =head1 SEE ALSO perl(1), ExtUtils::CBuilder(3), ExtUtils::MakeMaker(3) =cut