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This commit is contained in:
Riley Schneider
289
database/perl/lib/ExtUtils/CBuilder/Platform/Windows.pm
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289
database/perl/lib/ExtUtils/CBuilder/Platform/Windows.pm
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package ExtUtils::CBuilder::Platform::Windows;
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use strict;
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use warnings;
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use File::Basename;
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use File::Spec;
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use ExtUtils::CBuilder::Base;
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use IO::File;
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our $VERSION = '0.280235'; # VERSION
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our @ISA = qw(ExtUtils::CBuilder::Base);
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=begin comment
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The compiler-specific packages implement functions for generating properly
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formatted commandlines for the compiler being used. Each package
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defines two primary functions 'format_linker_cmd()' &
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'format_compiler_cmd()' that accepts a list of named arguments (a
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hash) and returns a list of formatted options suitable for invoking the
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compiler. By default, if the compiler supports scripting of its
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operation then a script file is built containing the options while
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those options are removed from the commandline, and a reference to the
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script is pushed onto the commandline in their place. Scripting the
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compiler in this way helps to avoid the problems associated with long
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commandlines under some shells.
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=end comment
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=cut
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sub new {
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my $class = shift;
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my $self = $class->SUPER::new(@_);
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my $cf = $self->{config};
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# Inherit from an appropriate compiler driver class
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my $driver = "ExtUtils::CBuilder::Platform::Windows::" . $self->_compiler_type;
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eval "require $driver" or die "Could not load compiler driver: $@";
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unshift @ISA, $driver;
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return $self;
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}
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sub _compiler_type {
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my $self = shift;
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my $cc = $self->{config}{cc};
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return ( $cc =~ /cl(\.exe)?$/ ? 'MSVC'
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: $cc =~ /bcc32(\.exe)?$/ ? 'BCC'
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: 'GCC');
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}
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sub split_like_shell {
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# Since Windows will pass the whole command string (not an argument
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# array) to the target program and make the program parse it itself,
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# we don't actually need to do any processing here.
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(my $self, local $_) = @_;
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return @$_ if defined() && UNIVERSAL::isa($_, 'ARRAY');
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return unless defined() && length();
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return ($_);
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}
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sub do_system {
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# See above
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my $self = shift;
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my $cmd = join(" ",
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grep length,
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map {$a=$_;$a=~s/\t/ /g;$a=~s/^\s+|\s+$//;$a}
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grep defined, @_);
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return $self->SUPER::do_system($cmd);
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}
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sub arg_defines {
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my ($self, %args) = @_;
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s/"/\\"/g foreach values %args;
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return map qq{"-D$_=$args{$_}"}, sort keys %args;
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}
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sub compile {
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my ($self, %args) = @_;
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my $cf = $self->{config};
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die "Missing 'source' argument to compile()" unless defined $args{source};
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$args{include_dirs} = [ $args{include_dirs} ]
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if exists($args{include_dirs}) && ref($args{include_dirs}) ne "ARRAY";
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my ($basename, $srcdir) =
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( File::Basename::fileparse($args{source}, '\.[^.]+$') )[0,1];
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$srcdir ||= File::Spec->curdir();
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my @defines = $self->arg_defines( %{ $args{defines} || {} } );
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my %spec = (
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srcdir => $srcdir,
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builddir => $srcdir,
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basename => $basename,
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source => $args{source},
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output => $args{object_file} || File::Spec->catfile($srcdir, $basename) . $cf->{obj_ext},
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cc => $cf->{cc},
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cflags => [
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$self->split_like_shell($cf->{ccflags}),
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$self->split_like_shell($cf->{cccdlflags}),
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$self->split_like_shell($args{extra_compiler_flags}),
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],
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optimize => [ $self->split_like_shell($cf->{optimize}) ],
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defines => \@defines,
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includes => [ @{$args{include_dirs} || []} ],
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perlinc => [
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$self->perl_inc(),
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$self->split_like_shell($cf->{incpath}),
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],
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use_scripts => 1, # XXX provide user option to change this???
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);
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$self->normalize_filespecs(
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\$spec{source},
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\$spec{output},
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$spec{includes},
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$spec{perlinc},
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);
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my @cmds = $self->format_compiler_cmd(%spec);
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while ( my $cmd = shift @cmds ) {
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$self->do_system( @$cmd )
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or die "error building $cf->{dlext} file from '$args{source}'";
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}
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(my $out = $spec{output}) =~ tr/'"//d;
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return $out;
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}
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sub need_prelink { 1 }
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sub link {
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my ($self, %args) = @_;
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my $cf = $self->{config};
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my @objects = ( ref $args{objects} eq 'ARRAY' ? @{$args{objects}} : $args{objects} );
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my $to = join '', (File::Spec->splitpath($objects[0]))[0,1];
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$to ||= File::Spec->curdir();
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(my $file_base = $args{module_name}) =~ s/.*:://;
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my $output = $args{lib_file} ||
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File::Spec->catfile($to, "$file_base.$cf->{dlext}");
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# if running in perl source tree, look for libs there, not installed
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my $lddlflags = $cf->{lddlflags};
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my $perl_src = $self->perl_src();
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$lddlflags =~ s{\Q$cf->{archlibexp}\E[\\/]CORE}{$perl_src/lib/CORE} if $perl_src;
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my %spec = (
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srcdir => $to,
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builddir => $to,
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startup => [ ],
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objects => \@objects,
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libs => [ ],
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output => $output,
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ld => $cf->{ld},
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libperl => $cf->{libperl},
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perllibs => [ $self->split_like_shell($cf->{perllibs}) ],
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libpath => [ $self->split_like_shell($cf->{libpth}) ],
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lddlflags => [ $self->split_like_shell($lddlflags) ],
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other_ldflags => [ $self->split_like_shell($args{extra_linker_flags} || '') ],
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use_scripts => 1, # XXX provide user option to change this???
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);
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unless ( $spec{basename} ) {
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($spec{basename} = $args{module_name}) =~ s/.*:://;
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}
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$spec{srcdir} = File::Spec->canonpath( $spec{srcdir} );
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$spec{builddir} = File::Spec->canonpath( $spec{builddir} );
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$spec{output} ||= File::Spec->catfile( $spec{builddir},
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$spec{basename} . '.'.$cf->{dlext} );
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$spec{manifest} ||= $spec{output} . '.manifest';
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$spec{implib} ||= File::Spec->catfile( $spec{builddir},
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$spec{basename} . $cf->{lib_ext} );
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$spec{explib} ||= File::Spec->catfile( $spec{builddir},
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$spec{basename} . '.exp' );
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if ($cf->{cc} eq 'cl') {
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$spec{dbg_file} ||= File::Spec->catfile( $spec{builddir},
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$spec{basename} . '.pdb' );
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}
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elsif ($cf->{cc} eq 'bcc32') {
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$spec{dbg_file} ||= File::Spec->catfile( $spec{builddir},
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$spec{basename} . '.tds' );
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}
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$spec{def_file} ||= File::Spec->catfile( $spec{srcdir} ,
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$spec{basename} . '.def' );
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$spec{base_file} ||= File::Spec->catfile( $spec{srcdir} ,
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$spec{basename} . '.base' );
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$self->add_to_cleanup(
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grep defined,
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@{[ @spec{qw(manifest implib explib dbg_file def_file base_file map_file)} ]}
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);
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foreach my $opt ( qw(output manifest implib explib dbg_file def_file map_file base_file) ) {
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$self->normalize_filespecs( \$spec{$opt} );
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}
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foreach my $opt ( qw(libpath startup objects) ) {
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$self->normalize_filespecs( $spec{$opt} );
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}
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(my $def_base = $spec{def_file}) =~ tr/'"//d;
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$def_base =~ s/\.def$//;
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$self->prelink( %args,
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dl_name => $args{module_name},
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dl_file => $def_base,
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dl_base => $spec{basename} );
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my @cmds = $self->format_linker_cmd(%spec);
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while ( my $cmd = shift @cmds ) {
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$self->do_system( @$cmd );
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}
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$spec{output} =~ tr/'"//d;
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return wantarray
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? grep defined, @spec{qw[output manifest implib explib dbg_file def_file map_file base_file]}
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: $spec{output};
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}
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# canonize & quote paths
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sub normalize_filespecs {
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my ($self, @specs) = @_;
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foreach my $spec ( grep defined, @specs ) {
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if ( ref $spec eq 'ARRAY') {
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$self->normalize_filespecs( map {\$_} grep defined, @$spec )
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} elsif ( ref $spec eq 'SCALAR' ) {
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$$spec =~ tr/"//d if $$spec;
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next unless $$spec;
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$$spec = '"' . File::Spec->canonpath($$spec) . '"';
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} elsif ( ref $spec eq '' ) {
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$spec = '"' . File::Spec->canonpath($spec) . '"';
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} else {
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die "Don't know how to normalize " . (ref $spec || $spec) . "\n";
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}
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}
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}
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# directory of perl's include files
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sub perl_inc {
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my $self = shift;
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my $perl_src = $self->perl_src();
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if ($perl_src) {
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File::Spec->catdir($perl_src, "lib", "CORE");
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} else {
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File::Spec->catdir($self->{config}{archlibexp},"CORE");
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}
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}
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1;
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__END__
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=head1 NAME
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ExtUtils::CBuilder::Platform::Windows - Builder class for Windows platforms
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=head1 DESCRIPTION
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This module implements the Windows-specific parts of ExtUtils::CBuilder.
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Most of the Windows-specific stuff has to do with compiling and
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linking C code. Currently we support the 3 compilers perl itself
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supports: MSVC, BCC, and GCC.
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This module inherits from C<ExtUtils::CBuilder::Base>, so any functionality
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not implemented here will be implemented there. The interfaces are
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defined by the L<ExtUtils::CBuilder> documentation.
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=head1 AUTHOR
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Ken Williams <ken@mathforum.org>
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Most of the code here was written by Randy W. Sims <RandyS@ThePierianSpring.org>.
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=head1 SEE ALSO
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perl(1), ExtUtils::CBuilder(3), ExtUtils::MakeMaker(3)
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=cut
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