--- /dev/null
+package ExtUtils::Liblist::Kid;
+
+# XXX Splitting this out into its own .pm is a temporary solution.
+
+# This kid package is to be used by MakeMaker. It will not work if
+# $self is not a Makemaker.
+
+use 5.006;
+# Broken out of MakeMaker from version 4.11
+
+use strict;
+our $VERSION = 6.54;
+
+use Config;
+use Cwd 'cwd';
+use File::Basename;
+use File::Spec;
+
+sub ext {
+ if ($^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) = @_;
+ $verbose ||= 0;
+
+ if ($^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) = defined $Config{perllibs} ? $Config{perllibs} : $Config{libs};
+ 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, @fullname);
+ my($pwd) = cwd(); # from Cwd.pm
+ my($found) = 0;
+
+ foreach my $thislib (split ' ', $potential_libs) {
+
+ # Handle possible linker path arguments.
+ if ($thislib =~ s/^(-[LR]|-Wl,-R)//){ # save path flag type
+ my($ptype) = $1;
+ unless (-d $thislib){
+ warn "$ptype$thislib ignored, directory does not exist\n"
+ if $verbose;
+ next;
+ }
+ my($rtype) = $ptype;
+ if (($ptype eq '-R') or ($ptype eq '-Wl,-R')) {
+ if ($Config{'lddlflags'} =~ /-Wl,-R/) {
+ $rtype = '-Wl,-R';
+ } elsif ($Config{'lddlflags'} =~ /-R/) {
+ $rtype = '-R';
+ }
+ }
+ unless (File::Spec->file_name_is_absolute($thislib)) {
+ warn "Warning: $ptype$thislib changed to $ptype$pwd/$thislib\n";
+ $thislib = $self->catdir($pwd,$thislib);
+ }
+ push(@searchpath, $thislib);
+ push(@extralibs, "$ptype$thislib");
+ push(@ldloadlibs, "$rtype$thislib");
+ next;
+ }
+
+ # Handle possible library arguments.
+ unless ($thislib =~ s/^-l//){
+ warn "Unrecognized argument in LIBS ignored: '$thislib'\n";
+ next;
+ }
+
+ my($found_lib)=0;
+ foreach my $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="$thispth/lib$thislib.dll$Config_libext")){
+ } elsif (-f ($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;
+ 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${thislib}\E\b/s);
+
+ # include the path to the lib once in the dynamic linker path
+ # but only if it is a dynamic lib and not in Perl itself
+ my($fullnamedir) = dirname($fullname);
+ push @ld_run_path, $fullnamedir
+ if $is_dyna && !$in_perl &&
+ !$ld_run_path_seen{$fullnamedir}++;
+
+ # 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;
+ }
+
+ unless( $found ) {
+ return ('','','','', ($give_libs ? \@libs : ()));
+ }
+ else {
+ return ("@extralibs", "@bsloadlibs", "@ldloadlibs",
+ join(":",@ld_run_path), ($give_libs ? \@libs : ()));
+ }
+}
+
+sub _win32_ext {
+
+ require Text::ParseWords;
+
+ my($self, $potential_libs, $verbose, $give_libs) = @_;
+ $verbose ||= 0;
+
+ # 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 = $cc =~ /^cl/i;
+ my $BC = $cc =~ /^bcc/i;
+ my $GC = $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);
+
+ # 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)){
+
+ my $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 $verbose;
+ next;
+ }
+ elsif (-d) {
+ unless (File::Spec->file_name_is_absolute($_)) {
+ 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 my $thispth (@searchpath, @libpath){
+ unless (-f ($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 : ())) : $lib;
+}
+
+
+sub _vms_ext {
+ my($self, $potential_libs, $verbose, $give_libs) = @_;
+ $verbose ||= 0;
+
+ my(@crtls,$crtlstr);
+ @crtls = ( ($Config{'ldflags'} =~ 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($locspec,$type);
+ foreach my $lib (@crtls) {
+ if (($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(%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 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 ($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
+ my(@dirs, @libs);
+ foreach my $lib (split ' ',$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 my $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 = $self->fixpath($dir,1);
+ }
+ else {
+ $dir = $self->catdir($cwd,$dir);
+ }
+ }
+ @dirs = grep { length($_) } @dirs;
+ unshift(@dirs,''); # Check each $lib without additions first
+
+ LIB: foreach my $lib (@libs) {
+ if (exists $libmap{$lib}) {
+ next unless length $libmap{$lib};
+ $lib = $libmap{$lib};
+ }
+
+ my(@variants,$cand);
+ my($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 my $variant (@variants) {
+ my($fullname, $name);
+
+ foreach my $dir (@dirs) {
+ my($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};
+ my $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 / catagits/Gitalist.git / blobdiff