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- package ExtUtils::CBuilder::Platform::VMS;
-
- use strict;
- use ExtUtils::CBuilder::Base;
-
- use vars qw($VERSION @ISA);
- $VERSION = '0.22';
- @ISA = qw(ExtUtils::CBuilder::Base);
-
- use File::Spec::Functions qw(catfile catdir);
-
- # We do prelink, but don't want the parent to redo it.
-
- sub need_prelink { 0 }
-
- sub arg_defines {
- my ($self, %args) = @_;
-
- s/"/""/g foreach values %args;
-
- my @config_defines;
-
- # VMS can only have one define qualifier; add the one from config, if any.
- if ($self->{config}{ccflags} =~ s{/ def[^=]+ =+ \(? ([^\/\)]*) } {}ix) {
- push @config_defines, $1;
- }
-
- return '' unless keys(%args) || @config_defines;
-
- return ('/define=('
- . join(',',
- @config_defines,
- map "\"$_" . ( length($args{$_}) ? "=$args{$_}" : '') . "\"",
- keys %args)
- . ')');
- }
-
- sub arg_include_dirs {
- my ($self, @dirs) = @_;
-
- # VMS can only have one include list, add the one from config.
- if ($self->{config}{ccflags} =~ s{/inc[^=]+(?:=)+(?:\()?([^\/\)]*)} {}i) {
- unshift @dirs, $1;
- }
- return unless @dirs;
-
- return ('/include=(' . join(',', @dirs) . ')');
- }
-
- sub _do_link {
- my ($self, $type, %args) = @_;
-
- my $objects = delete $args{objects};
- $objects = [$objects] unless ref $objects;
-
- if ($args{lddl}) {
-
- # prelink will call Mksymlists, which creates the extension-specific
- # linker options file and populates it with the boot symbol.
-
- my @temp_files = $self->prelink(%args, dl_name => $args{module_name});
-
- # We now add the rest of what we need to the linker options file. We
- # should replicate the functionality of C<ExtUtils::MM_VMS::dlsyms>,
- # but there is as yet no infrastructure for handling object libraries,
- # so for now we depend on object files being listed individually on the
- # command line, which should work for simple cases. We do bring in our
- # own version of C<ExtUtils::Liblist::Kid::ext> so that any additional
- # libraries (including PERLSHR) can be added to the options file.
-
- my @optlibs = $self->_liblist_ext( $args{'libs'} );
-
- my $optfile = 'sys$disk:[]' . $temp_files[0];
- open my $opt_fh, '>>', $optfile
- or die "_do_link: Unable to open $optfile: $!";
- for my $lib (@optlibs) {print $opt_fh "$lib\n" if length $lib }
- close $opt_fh;
-
- $objects->[-1] .= ',';
- push @$objects, $optfile . '/OPTIONS,';
-
- # This one not needed for DEC C, but leave for completeness.
- push @$objects, $self->perl_inc() . 'perlshr_attr.opt/OPTIONS';
- }
-
- return $self->SUPER::_do_link($type, %args, objects => $objects);
- }
-
- sub arg_nolink { return; }
-
- sub arg_object_file {
- my ($self, $file) = @_;
- return "/obj=$file";
- }
-
- sub arg_exec_file {
- my ($self, $file) = @_;
- return ("/exe=$file");
- }
-
- sub arg_share_object_file {
- my ($self, $file) = @_;
- return ("$self->{config}{lddlflags}=$file");
- }
-
-
- sub lib_file {
- my ($self, $dl_file) = @_;
- $dl_file =~ s/\.[^.]+$//;
- $dl_file =~ tr/"//d;
- $dl_file = $dl_file .= '.' . $self->{config}{dlext};
-
- # Need to create with the same name as DynaLoader will load with.
- if (defined &DynaLoader::mod2fname) {
- my ($dev,$dir,$file) = File::Spec->splitpath($dl_file);
- $file = DynaLoader::mod2fname([$file]);
- $dl_file = File::Spec->catpath($dev,$dir,$file);
- }
- return $dl_file;
- }
-
- # The following is reproduced almost verbatim from ExtUtils::Liblist::Kid::_vms_ext.
- # We can't just call that because it's tied up with the MakeMaker object hierarchy.
-
- sub _liblist_ext {
- my($self, $potential_libs,$verbose,$give_libs) = @_;
- $verbose ||= 0;
-
- my(@crtls,$crtlstr);
- @crtls = ( ($self->{'config'}{'ldflags'} =~ m-/Debug-i ? $self->{'config'}{'dbgprefix'} : '')
- . 'PerlShr/Share' );
- push(@crtls, grep { not /\(/ } split /\s+/, $self->{'config'}{'perllibs'});
- push(@crtls, grep { not /\(/ } split /\s+/, $self->{'config'}{'libc'});
- # In general, we pass through the basic libraries from %Config unchanged.
- # The one exception is that if we're building in the Perl source tree, and
- # a library spec could be resolved via a logical name, we go to some trouble
- # to insure that the copy in the local tree is used, rather than one to
- # which a system-wide logical may point.
- if ($self->perl_src) {
- my($lib,$locspec,$type);
- foreach $lib (@crtls) {
- if (($locspec,$type) = $lib =~ m{^([\w\$-]+)(/\w+)?} and $locspec =~ /perl/i) {
- if (lc $type eq '/share') { $locspec .= $self->{'config'}{'exe_ext'}; }
- elsif (lc $type eq '/library') { $locspec .= $self->{'config'}{'lib_ext'}; }
- else { $locspec .= $self->{'config'}{'obj_ext'}; }
- $locspec = catfile($self->perl_src, $locspec);
- $lib = "$locspec$type" if -e $locspec;
- }
- }
- }
- $crtlstr = @crtls ? join(' ',@crtls) : '';
-
- unless ($potential_libs) {
- warn "Result:\n\tEXTRALIBS: \n\tLDLOADLIBS: $crtlstr\n" if $verbose;
- return ('', '', $crtlstr, '', ($give_libs ? [] : ()));
- }
-
- my(@dirs,@libs,$dir,$lib,%found,@fndlibs,$ldlib);
- my $cwd = cwd();
- my($so,$lib_ext,$obj_ext) = @{$self->{'config'}}{'so','lib_ext','obj_ext'};
- # List of common Unix library names and their VMS equivalents
- # (VMS equivalent of '' indicates that the library is automatically
- # searched by the linker, and should be skipped here.)
- my(@flibs, %libs_seen);
- my %libmap = ( 'm' => '', 'f77' => '', 'F77' => '', 'V77' => '', 'c' => '',
- 'malloc' => '', 'crypt' => '', 'resolv' => '', 'c_s' => '',
- 'socket' => '', 'X11' => 'DECW$XLIBSHR',
- 'Xt' => 'DECW$XTSHR', 'Xm' => 'DECW$XMLIBSHR',
- 'Xmu' => 'DECW$XMULIBSHR');
- if ($self->{'config'}{'vms_cc_type'} ne 'decc') { $libmap{'curses'} = 'VAXCCURSE'; }
-
- warn "Potential libraries are '$potential_libs'\n" if $verbose;
-
- # First, sort out directories and library names in the input
- foreach $lib (split ' ',$potential_libs) {
- push(@dirs,$1), next if $lib =~ /^-L(.*)/;
- push(@dirs,$lib), next if $lib =~ /[:>\]]$/;
- push(@dirs,$lib), next if -d $lib;
- push(@libs,$1), next if $lib =~ /^-l(.*)/;
- push(@libs,$lib);
- }
- push(@dirs,split(' ',$self->{'config'}{'libpth'}));
-
- # Now make sure we've got VMS-syntax absolute directory specs
- # (We don't, however, check whether someone's hidden a relative
- # path in a logical name.)
- foreach $dir (@dirs) {
- unless (-d $dir) {
- warn "Skipping nonexistent Directory $dir\n" if $verbose > 1;
- $dir = '';
- next;
- }
- warn "Resolving directory $dir\n" if $verbose;
- if (!File::Spec->file_name_is_absolute($dir)) {
- $dir = catdir($cwd,$dir);
- }
- }
- @dirs = grep { length($_) } @dirs;
- unshift(@dirs,''); # Check each $lib without additions first
-
- LIB: foreach $lib (@libs) {
- if (exists $libmap{$lib}) {
- next unless length $libmap{$lib};
- $lib = $libmap{$lib};
- }
-
- my(@variants,$variant,$cand);
- my($ctype) = '';
-
- # If we don't have a file type, consider it a possibly abbreviated name and
- # check for common variants. We try these first to grab libraries before
- # a like-named executable image (e.g. -lperl resolves to perlshr.exe
- # before perl.exe).
- if ($lib !~ /\.[^:>\]]*$/) {
- push(@variants,"${lib}shr","${lib}rtl","${lib}lib");
- push(@variants,"lib$lib") if $lib !~ /[:>\]]/;
- }
- push(@variants,$lib);
- warn "Looking for $lib\n" if $verbose;
- foreach $variant (@variants) {
- my($fullname, $name);
-
- foreach $dir (@dirs) {
- my($type);
-
- $name = "$dir$variant";
- warn "\tChecking $name\n" if $verbose > 2;
- $fullname = VMS::Filespec::rmsexpand($name);
- if (defined $fullname and -f $fullname) {
- # It's got its own suffix, so we'll have to figure out the type
- if ($fullname =~ /(?:$so|exe)$/i) { $type = 'SHR'; }
- elsif ($fullname =~ /(?:$lib_ext|olb)$/i) { $type = 'OLB'; }
- elsif ($fullname =~ /(?:$obj_ext|obj)$/i) {
- warn "Note (probably harmless): "
- ."Plain object file $fullname found in library list\n";
- $type = 'OBJ';
- }
- else {
- warn "Note (probably harmless): "
- ."Unknown library type for $fullname; assuming shared\n";
- $type = 'SHR';
- }
- }
- elsif (-f ($fullname = VMS::Filespec::rmsexpand($name,$so)) or
- -f ($fullname = VMS::Filespec::rmsexpand($name,'.exe'))) {
- $type = 'SHR';
- $name = $fullname unless $fullname =~ /exe;?\d*$/i;
- }
- elsif (not length($ctype) and # If we've got a lib already,
- # don't bother
- ( -f ($fullname = VMS::Filespec::rmsexpand($name,$lib_ext)) or
- -f ($fullname = VMS::Filespec::rmsexpand($name,'.olb')))) {
- $type = 'OLB';
- $name = $fullname unless $fullname =~ /olb;?\d*$/i;
- }
- elsif (not length($ctype) and # If we've got a lib already,
- # don't bother
- ( -f ($fullname = VMS::Filespec::rmsexpand($name,$obj_ext)) or
- -f ($fullname = VMS::Filespec::rmsexpand($name,'.obj')))) {
- warn "Note (probably harmless): "
- ."Plain object file $fullname found in library list\n";
- $type = 'OBJ';
- $name = $fullname unless $fullname =~ /obj;?\d*$/i;
- }
- if (defined $type) {
- $ctype = $type; $cand = $name;
- last if $ctype eq 'SHR';
- }
- }
- if ($ctype) {
- # This has to precede any other CRTLs, so just make it first
- if ($cand eq 'VAXCCURSE') { unshift @{$found{$ctype}}, $cand; }
- else { push @{$found{$ctype}}, $cand; }
- warn "\tFound as $cand (really $fullname), type $ctype\n"
- if $verbose > 1;
- push @flibs, $name unless $libs_seen{$fullname}++;
- next LIB;
- }
- }
- warn "Note (probably harmless): "
- ."No library found for $lib\n";
- }
-
- push @fndlibs, @{$found{OBJ}} if exists $found{OBJ};
- push @fndlibs, map { "$_/Library" } @{$found{OLB}} if exists $found{OLB};
- push @fndlibs, map { "$_/Share" } @{$found{SHR}} if exists $found{SHR};
- $lib = join(' ',@fndlibs);
-
- $ldlib = $crtlstr ? "$lib $crtlstr" : $lib;
- warn "Result:\n\tEXTRALIBS: $lib\n\tLDLOADLIBS: $ldlib\n" if $verbose;
- wantarray ? ($lib, '', $ldlib, '', ($give_libs ? \@flibs : ())) : $lib;
- }
-
- 1;
-