package ExtUtils::Liblist;
-@ISA = qw(ExtUtils::Liblist::Kid File::Spec);
-
-sub lsdir {
- shift;
- my $rex = qr/$_[1]/;
- opendir my $dir, $_[0];
- grep /$rex/, readdir $dir;
-}
-
-sub file_name_is_absolute {
- require File::Spec;
- shift;
- 'File::Spec'->file_name_is_absolute(@_);
-}
-
-
-package ExtUtils::Liblist::Kid;
-
-# This kid package is to be used by MakeMaker. It will not work if
-# $self is not a Makemaker.
+use strict;
-use 5.006_001;
-# Broken out of MakeMaker from version 4.11
+use vars qw($VERSION @ISA);
+$VERSION = '1.03';
-our $VERSION = substr q$Revision: 1.27 $, 10;
-
-use Config;
-use Cwd 'cwd';
-use File::Basename;
+use File::Spec;
+require ExtUtils::Liblist::Kid;
+@ISA = qw(ExtUtils::Liblist::Kid File::Spec);
+# Backwards compatibility with old interface.
sub ext {
- if ($^O eq 'VMS') { return &_vms_ext; }
- elsif($^O eq 'MSWin32') { return &_win32_ext; }
- else { return &_unix_os2_ext; }
-}
-
-sub _unix_os2_ext {
- my($self,$potential_libs, $verbose, $give_libs) = @_;
- if ($^O =~ 'os2' and $Config{perllibs}) {
- # Dynamic libraries are not transitive, so we may need including
- # the libraries linked against perl.dll again.
-
- $potential_libs .= " " if $potential_libs;
- $potential_libs .= $Config{perllibs};
- }
- return ("", "", "", "", ($give_libs ? [] : ())) unless $potential_libs;
- warn "Potential libraries are '$potential_libs':\n" if $verbose;
-
- my($so) = $Config{'so'};
- my($libs) = $Config{'perllibs'};
- my $Config_libext = $Config{lib_ext} || ".a";
-
-
- # compute $extralibs, $bsloadlibs and $ldloadlibs from
- # $potential_libs
- # this is a rewrite of Andy Dougherty's extliblist in perl
-
- my(@searchpath); # from "-L/path" entries in $potential_libs
- my(@libpath) = split " ", $Config{'libpth'};
- my(@ldloadlibs, @bsloadlibs, @extralibs, @ld_run_path, %ld_run_path_seen);
- my(@libs, %libs_seen);
- my($fullname, $thislib, $thispth, @fullname);
- my($pwd) = cwd(); # from Cwd.pm
- my($found) = 0;
-
- foreach $thislib (split ' ', $potential_libs){
-
- # Handle possible linker path arguments.
- if ($thislib =~ s/^(-[LR])//){ # save path flag type
- my($ptype) = $1;
- unless (-d $thislib){
- warn "$ptype$thislib ignored, directory does not exist\n"
- if $verbose;
- next;
- }
- unless ($self->file_name_is_absolute($thislib)) {
- warn "Warning: $ptype$thislib changed to $ptype$pwd/$thislib\n";
- $thislib = $self->catdir($pwd,$thislib);
- }
- push(@searchpath, $thislib);
- push(@extralibs, "$ptype$thislib");
- push(@ldloadlibs, "$ptype$thislib");
- next;
- }
-
- # Handle possible library arguments.
- unless ($thislib =~ s/^-l//){
- warn "Unrecognized argument in LIBS ignored: '$thislib'\n";
- next;
- }
-
- my($found_lib)=0;
- foreach $thispth (@searchpath, @libpath){
-
- # Try to find the full name of the library. We need this to
- # determine whether it's a dynamically-loadable library or not.
- # This tends to be subject to various os-specific quirks.
- # For gcc-2.6.2 on linux (March 1995), DLD can not load
- # .sa libraries, with the exception of libm.sa, so we
- # deliberately skip them.
- if (@fullname =
- $self->lsdir($thispth,"^\Qlib$thislib.$so.\E[0-9]+")){
- # Take care that libfoo.so.10 wins against libfoo.so.9.
- # Compare two libraries to find the most recent version
- # number. E.g. if you have libfoo.so.9.0.7 and
- # libfoo.so.10.1, first convert all digits into two
- # decimal places. Then we'll add ".00" to the shorter
- # strings so that we're comparing strings of equal length
- # Thus we'll compare libfoo.so.09.07.00 with
- # libfoo.so.10.01.00. Some libraries might have letters
- # in the version. We don't know what they mean, but will
- # try to skip them gracefully -- we'll set any letter to
- # '0'. Finally, sort in reverse so we can take the
- # first element.
-
- #TODO: iterate through the directory instead of sorting
-
- $fullname = "$thispth/" .
- (sort { my($ma) = $a;
- my($mb) = $b;
- $ma =~ tr/A-Za-z/0/s;
- $ma =~ s/\b(\d)\b/0$1/g;
- $mb =~ tr/A-Za-z/0/s;
- $mb =~ s/\b(\d)\b/0$1/g;
- while (length($ma) < length($mb)) { $ma .= ".00"; }
- while (length($mb) < length($ma)) { $mb .= ".00"; }
- # Comparison deliberately backwards
- $mb cmp $ma;} @fullname)[0];
- } elsif (-f ($fullname="$thispth/lib$thislib.$so")
- && (($Config{'dlsrc'} ne "dl_dld.xs") || ($thislib eq "m"))){
- } elsif (-f ($fullname="$thispth/lib${thislib}_s$Config_libext")
- && (! $Config{'archname'} =~ /RM\d\d\d-svr4/)
- && ($thislib .= "_s") ){ # we must explicitly use _s version
- } elsif (-f ($fullname="$thispth/lib$thislib$Config_libext")){
- } elsif (-f ($fullname="$thispth/$thislib$Config_libext")){
- } elsif (-f ($fullname="$thispth/Slib$thislib$Config_libext")){
- } elsif ($^O eq 'dgux'
- && -l ($fullname="$thispth/lib$thislib$Config_libext")
- && readlink($fullname) =~ /^elink:/s) {
- # Some of DG's libraries look like misconnected symbolic
- # links, but development tools can follow them. (They
- # look like this:
- #
- # libm.a -> elink:${SDE_PATH:-/usr}/sde/\
- # ${TARGET_BINARY_INTERFACE:-m88kdgux}/usr/lib/libm.a
- #
- # , the compilation tools expand the environment variables.)
- } else {
- warn "$thislib not found in $thispth\n" if $verbose;
- next;
- }
- warn "'-l$thislib' found at $fullname\n" if $verbose;
- my($fullnamedir) = dirname($fullname);
- push @ld_run_path, $fullnamedir unless $ld_run_path_seen{$fullnamedir}++;
- push @libs, $fullname unless $libs_seen{$fullname}++;
- $found++;
- $found_lib++;
-
- # Now update library lists
-
- # what do we know about this library...
- my $is_dyna = ($fullname !~ /\Q$Config_libext\E\z/);
- my $in_perl = ($libs =~ /\B-l\Q$ {thislib}\E\b/s);
-
- # Do not add it into the list if it is already linked in
- # with the main perl executable.
- # We have to special-case the NeXT, because math and ndbm
- # are both in libsys_s
- unless ($in_perl ||
- ($Config{'osname'} eq 'next' &&
- ($thislib eq 'm' || $thislib eq 'ndbm')) ){
- push(@extralibs, "-l$thislib");
- }
-
- # We might be able to load this archive file dynamically
- if ( ($Config{'dlsrc'} =~ /dl_next/ && $Config{'osvers'} lt '4_0')
- || ($Config{'dlsrc'} =~ /dl_dld/) )
- {
- # We push -l$thislib instead of $fullname because
- # it avoids hardwiring a fixed path into the .bs file.
- # Mkbootstrap will automatically add dl_findfile() to
- # the .bs file if it sees a name in the -l format.
- # USE THIS, when dl_findfile() is fixed:
- # push(@bsloadlibs, "-l$thislib");
- # OLD USE WAS while checking results against old_extliblist
- push(@bsloadlibs, "$fullname");
- } else {
- if ($is_dyna){
- # For SunOS4, do not add in this shared library if
- # it is already linked in the main perl executable
- push(@ldloadlibs, "-l$thislib")
- unless ($in_perl and $^O eq 'sunos');
- } else {
- push(@ldloadlibs, "-l$thislib");
- }
- }
- last; # found one here so don't bother looking further
- }
- warn "Note (probably harmless): "
- ."No library found for -l$thislib\n"
- unless $found_lib>0;
- }
- return ('','','','', ($give_libs ? \@libs : ())) unless $found;
- ("@extralibs", "@bsloadlibs", "@ldloadlibs",join(":",@ld_run_path), ($give_libs ? \@libs : ()));
-}
-
-sub _win32_ext {
-
- require Text::ParseWords;
-
- my($self, $potential_libs, $verbose, $give_libs) = @_;
-
- # If user did not supply a list, we punt.
- # (caller should probably use the list in $Config{libs})
- return ("", "", "", "", ($give_libs ? [] : ())) unless $potential_libs;
-
- my $cc = $Config{cc};
- my $VC = 1 if $cc =~ /^cl/i;
- my $BC = 1 if $cc =~ /^bcc/i;
- my $GC = 1 if $cc =~ /^gcc/i;
- my $so = $Config{'so'};
- my $libs = $Config{'perllibs'};
- my $libpth = $Config{'libpth'};
- my $libext = $Config{'lib_ext'} || ".lib";
- my(@libs, %libs_seen);
-
- if ($libs and $potential_libs !~ /:nodefault/i) {
- # If Config.pm defines a set of default libs, we always
- # tack them on to the user-supplied list, unless the user
- # specified :nodefault
-
- $potential_libs .= " " if $potential_libs;
- $potential_libs .= $libs;
- }
- warn "Potential libraries are '$potential_libs':\n" if $verbose;
-
- # normalize to forward slashes
- $libpth =~ s,\\,/,g;
- $potential_libs =~ s,\\,/,g;
-
- # compute $extralibs from $potential_libs
-
- my @searchpath; # from "-L/path" in $potential_libs
- my @libpath = Text::ParseWords::quotewords('\s+', 0, $libpth);
- my @extralibs;
- my $pwd = cwd(); # from Cwd.pm
- my $lib = '';
- my $found = 0;
- my $search = 1;
- my($fullname, $thislib, $thispth);
-
- # add "$Config{installarchlib}/CORE" to default search path
- push @libpath, "$Config{installarchlib}/CORE";
-
- if ($VC and exists $ENV{LIB} and $ENV{LIB}) {
- push @libpath, split /;/, $ENV{LIB};
- }
-
- foreach (Text::ParseWords::quotewords('\s+', 0, $potential_libs)){
-
- $thislib = $_;
-
- # see if entry is a flag
- if (/^:\w+$/) {
- $search = 0 if lc eq ':nosearch';
- $search = 1 if lc eq ':search';
- warn "Ignoring unknown flag '$thislib'\n"
- if $verbose and !/^:(no)?(search|default)$/i;
- next;
- }
-
- # if searching is disabled, do compiler-specific translations
- unless ($search) {
- s/^-l(.+)$/$1.lib/ unless $GC;
- s/^-L/-libpath:/ if $VC;
- push(@extralibs, $_);
- $found++;
- next;
- }
-
- # handle possible linker path arguments
- if (s/^-L// and not -d) {
- warn "$thislib ignored, directory does not exist\n"
- if $verbose;
- next;
- }
- elsif (-d) {
- unless ($self->file_name_is_absolute($_)) {
- warn "Warning: '$thislib' changed to '-L$pwd/$_'\n";
- $_ = $self->catdir($pwd,$_);
- }
- push(@searchpath, $_);
- next;
- }
-
- # handle possible library arguments
- if (s/^-l// and $GC and !/^lib/i) {
- $_ = "lib$_";
- }
- $_ .= $libext if !/\Q$libext\E$/i;
-
- my $secondpass = 0;
- LOOKAGAIN:
-
- # look for the file itself
- if (-f) {
- warn "'$thislib' found as '$_'\n" if $verbose;
- $found++;
- push(@extralibs, $_);
- next;
- }
-
- my $found_lib = 0;
- foreach $thispth (@searchpath, @libpath){
- unless (-f ($fullname="$thispth\\$_")) {
- warn "'$thislib' not found as '$fullname'\n" if $verbose;
- next;
- }
- warn "'$thislib' found as '$fullname'\n" if $verbose;
- $found++;
- $found_lib++;
- push(@extralibs, $fullname);
- push @libs, $fullname unless $libs_seen{$fullname}++;
- last;
- }
-
- # do another pass with (or without) leading 'lib' if they used -l
- if (!$found_lib and $thislib =~ /^-l/ and !$secondpass++) {
- if ($GC) {
- goto LOOKAGAIN if s/^lib//i;
- }
- elsif (!/^lib/i) {
- $_ = "lib$_";
- goto LOOKAGAIN;
- }
- }
-
- # give up
- warn "Note (probably harmless): "
- ."No library found for '$thislib'\n"
- unless $found_lib>0;
-
- }
-
- return ('','','','', ($give_libs ? \@libs : ())) unless $found;
-
- # make sure paths with spaces are properly quoted
- @extralibs = map { (/\s/ && !/^".*"$/) ? qq["$_"] : $_ } @extralibs;
- @libs = map { (/\s/ && !/^".*"$/) ? qq["$_"] : $_ } @libs;
- $lib = join(' ',@extralibs);
-
- # normalize back to backward slashes (to help braindead tools)
- # XXX this may break equally braindead GNU tools that don't understand
- # backslashes, either. Seems like one can't win here. Cursed be CP/M.
- $lib =~ s,/,\\,g;
-
- warn "Result: $lib\n" if $verbose;
- wantarray ? ($lib, '', $lib, '', ($give_libs ? \@libs : ())) : $lib;
+ goto &ExtUtils::Liblist::Kid::ext;
}
-
-sub _vms_ext {
- my($self, $potential_libs,$verbose,$give_libs) = @_;
- my(@crtls,$crtlstr);
- my($dbgqual) = $self->{OPTIMIZE} || $Config{'optimize'} ||
- $self->{CCFLAS} || $Config{'ccflags'};
- @crtls = ( ($dbgqual =~ m-/Debug-i ? $Config{'dbgprefix'} : '')
- . 'PerlShr/Share' );
- push(@crtls, grep { not /\(/ } split /\s+/, $Config{'perllibs'});
- push(@crtls, grep { not /\(/ } split /\s+/, $Config{'libc'});
- # In general, we pass through the basic libraries from %Config unchanged.
- # The one exception is that if we're building in the Perl source tree, and
- # a library spec could be resolved via a logical name, we go to some trouble
- # to insure that the copy in the local tree is used, rather than one to
- # which a system-wide logical may point.
- if ($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 .= $Config{'exe_ext'}; }
- elsif (lc $type eq '/library') { $locspec .= $Config{'lib_ext'}; }
- else { $locspec .= $Config{'obj_ext'}; }
- $locspec = $self->catfile($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) = @Config{'so','lib_ext','obj_ext'};
- # List of common Unix library names and there VMS equivalents
- # (VMS equivalent of '' indicates that the library is automatially
- # 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 ($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(' ',$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 $verbose;
- if ($self->file_name_is_absolute($dir)) { $dir = $self->fixpath($dir,1); }
- else { $dir = $self->catdir($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,$variant,$name,$test,$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) {
- foreach $dir (@dirs) {
- my($type);
-
- $name = "$dir$variant";
- warn "\tChecking $name\n" if $verbose > 2;
- if (-f ($test = VMS::Filespec::rmsexpand($name))) {
- # It's got its own suffix, so we'll have to figure out the type
- if ($test =~ /(?:$so|exe)$/i) { $type = 'SHR'; }
- elsif ($test =~ /(?:$lib_ext|olb)$/i) { $type = 'OLB'; }
- elsif ($test =~ /(?:$obj_ext|obj)$/i) {
- warn "Note (probably harmless): "
- ."Plain object file $test found in library list\n";
- $type = 'OBJ';
- }
- else {
- warn "Note (probably harmless): "
- ."Unknown library type for $test; assuming shared\n";
- $type = 'SHR';
- }
- }
- elsif (-f ($test = VMS::Filespec::rmsexpand($name,$so)) or
- -f ($test = VMS::Filespec::rmsexpand($name,'.exe'))) {
- $type = 'SHR';
- $name = $test unless $test =~ /exe;?\d*$/i;
- }
- elsif (not length($ctype) and # If we've got a lib already, don't bother
- ( -f ($test = VMS::Filespec::rmsexpand($name,$lib_ext)) or
- -f ($test = VMS::Filespec::rmsexpand($name,'.olb')))) {
- $type = 'OLB';
- $name = $test unless $test =~ /olb;?\d*$/i;
- }
- elsif (not length($ctype) and # If we've got a lib already, don't bother
- ( -f ($test = VMS::Filespec::rmsexpand($name,$obj_ext)) or
- -f ($test = VMS::Filespec::rmsexpand($name,'.obj')))) {
- warn "Note (probably harmless): "
- ."Plain object file $test found in library list\n";
- $type = 'OBJ';
- $name = $test unless $test =~ /obj;?\d*$/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 $test), 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;
+sub lsdir {
+ shift;
+ my $rex = qr/$_[1]/;
+ opendir DIR, $_[0];
+ my @out = grep /$rex/, readdir DIR;
+ closedir DIR;
+ return @out;
}
-1;
-
__END__
=head1 NAME
=head1 SYNOPSIS
-C<require ExtUtils::Liblist;>
+ require ExtUtils::Liblist;
+
+ $MM->ext($potential_libs, $verbose, $need_names);
-C<ExtUtils::Liblist::ext($self, $potential_libs, $verbose, $need_names);>
+ # Usually you can get away with:
+ ExtUtils::Liblist->ext($potential_libs, $verbose, $need_names)
=head1 DESCRIPTION
by the ld command when the perl binary is linked with the extension
library. See EXTRALIBS below.
-=item * For dynamic extensions
+=item * For dynamic extensions at build/link time
by the ld command when the shared object is built/linked. See
LDLOADLIBS below.
-=item * For dynamic extensions
+=item * For dynamic extensions at load time
by the DynaLoader when the shared object is loaded. See BSLOADLIBS
below.
projects / p5sagit/p5-mst-13.2.git / blobdiff