use ExtUtils::CBuilder::Base;
use vars qw($VERSION @ISA);
-$VERSION = '0.21';
+$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 $objects = delete $args{objects};
$objects = [$objects] unless ref $objects;
- # VMS has two option files, the external symbol, and to pull in PerlShr
if ($args{lddl}) {
- my @temp_files =
- $self->prelink(%args, dl_name => $args{module_name});
- $objects->[-1] .= ',';
+ # 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 => $args{module_name});
- # If creating a loadable library, the link option file is needed.
- push @$objects, 'sys$disk:[]' . $temp_files[0] . '/opt,';
+ # 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, $optfile . '/OPTIONS,';
- # VMS always needs the option file for the Perl shared image.
- push @$objects, $self->perl_inc() . 'PerlShr.Opt/opt';
+ # This one not needed for DEC C, but leave for completeness.
+ push @$objects, $self->perl_inc() . 'perlshr_attr.opt/OPTIONS';
}
return $self->SUPER::_do_link($type, %args, objects => $objects);
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;
projects / p5sagit/p5-mst-13.2.git / commitdiff