package FindExt;
-our $VERSION = '1.02';
+our $VERSION = '1.03';
use strict;
use warnings;
-my $no = join('|',qw(GDBM_File ODBM_File NDBM_File DB_File
- VMS Sys-Syslog IPC-SysV I18N-Langinfo));
+my $no = join('|',qw(Amiga.* GDBM_File ODBM_File NDBM_File DB_File
+ VMS.* Sys-Syslog IPC-SysV I18N-Langinfo));
$no = qr/^(?:$no)$/i;
+sub apply_config {
+ my ($config) = @_;
+ my @no;
+
+ push @no, 'Sys-Syslog' if $^O eq 'MSWin32';
+
+ # duplicates logic from Configure (mostly)
+ push @no, "DB_File" unless $config->{i_db};
+ push @no, "GDBM_File" unless $config->{i_gdbm};
+ push @no, "I18N-Langinfo" unless $config->{i_langinfo} && $config->{d_nl_langinfo};
+ push @no, "IPC-SysV" unless $config->{d_msg} || $config->{d_sem} || $config->{d_shm};
+ push @no, "NDBM_File" unless $config->{d_ndbm};
+ push @no, "ODBM_File"
+ unless ($config->{i_dbm} || $config->{i_rpcsvcdbm}) && !$config->{d_cplusplus};
+ push @no, "Amiga.*" unless $^O eq "amigaos";
+ push @no, "VMS.*" unless $^O eq "VMS";
+ push @no, "Win32.*" unless $^O eq "MSWin32" || $^O eq "cygwin";
+
+ $no = join('|', @no);
+ $no = qr/^(?:$no)$/i;
+}
+
my %ext;
my %static;
# (with possible exclusions)
%static = ();
my @list = @_;
- if ($_[0] eq '*') {
+ if (@_ and $_[0] eq '*') {
my %excl = map {$_=>1} map {m/^!(.*)$/} @_[1 .. $#_];
@list = grep {!exists $excl{$_}} keys %ext;
}
$static{$_} = 1;
$ext{$_} = 'static' if $ext{$_} && $ext{$_} eq 'dynamic';
}
-}
-sub scan_ext
-{
- my $dir = shift;
- find_ext("$dir/", '');
- extensions();
+ # Encode is a special case. If we are building Encode as a static
+ # extension, we need to explicitly list its subextensions as well.
+ # For other nested extensions, this is handled automatically by
+ # the appropriate Makefile.PL.
+ if ($ext{Encode} && $ext{Encode} eq 'static') {
+ require File::Find;
+ File::Find::find({
+ no_chdir => 1,
+ wanted => sub {
+ return unless m!\b(Encode/.+)/Makefile\.PL!;
+ $static{$1} = 1;
+ $ext{$1} = 'static';
+ },
+ }, "../cpan/Encode");
+ }
}
sub _ext_eq {
*static_ext = _ext_eq('static');
*nonxs_ext = _ext_eq('nonxs');
-sub _ext_ne {
- my $key = shift;
- sub {
- sort grep $ext{$_} ne $key, keys %ext;
- }
+sub extensions {
+ sort grep $ext{$_} ne 'known', keys %ext;
}
-*extensions = _ext_ne('known');
-# faithfully copy Configure in not including nonxs extensions for the nonce
-*known_extensions = _ext_ne('nonxs');
+sub known_extensions {
+ sort keys %ext;
+}
sub is_static
{
return $ext{$_[0]} eq 'static'
}
-# Function to recursively find available extensions, ignoring DynaLoader
-# NOTE: recursion limit of 10 to prevent runaway in case of symlink madness
-sub find_ext
+sub has_xs_or_c {
+ my $dir = shift;
+ opendir my $dh, $dir or die "opendir $dir: $!";
+ while (defined (my $item = readdir $dh)) {
+ return 1 if $item =~ /\.xs$/;
+ return 1 if $item =~ /\.c$/;
+ }
+ return 0;
+}
+
+# Function to find available extensions, ignoring DynaLoader
+sub scan_ext
{
my $ext_dir = shift;
- my $prefix = shift;
- opendir my $dh, "$ext_dir$prefix";
+ opendir my $dh, "$ext_dir";
while (defined (my $item = readdir $dh)) {
next if $item =~ /^\.\.?$/;
next if $item eq "DynaLoader";
- my $this_ext = my $this_ext_dir = "$prefix$item";
+ next unless -d "$ext_dir/$item";
+ my $this_ext = $item;
my $leaf = $item;
$this_ext =~ s!-!/!g;
$leaf =~ s/.*-//;
- if (-f "$ext_dir$this_ext_dir/$leaf.xs" || -f "$ext_dir$this_ext_dir/$leaf.c" ) {
+ # List/Util.xs lives in Scalar-List-Utils, Cwd.xs lives in PathTools
+ $this_ext = 'List/Util' if $this_ext eq 'Scalar/List/Utils';
+ $this_ext = 'Cwd' if $this_ext eq 'PathTools';
+
+ # Temporary hack to cope with smokers that are not clearing directories:
+ next if $ext{$this_ext};
+
+ if (has_xs_or_c("$ext_dir/$item")) {
$ext{$this_ext} = $static{$this_ext} ? 'static' : 'dynamic';
- } elsif (-f "$ext_dir$this_ext_dir/Makefile.PL") {
- $ext{$this_ext} = 'nonxs';
} else {
- # It's not actually an extension. So recurse into it.
- if (-d "$ext_dir$this_ext_dir" && $prefix =~ tr#/## < 10) {
- find_ext($ext_dir, "$this_ext_dir/");
- }
+ $ext{$this_ext} = 'nonxs';
}
- $ext{$this_ext} = 'known' if $ext{$this_ext} && $item =~ $no;
+ $ext{$this_ext} = 'known' if $item =~ $no;
}
}
1;
-# Local variables:
-# cperl-indent-level: 4
-# indent-tabs-mode: nil
-# End:
-#
# ex: set ts=8 sts=4 sw=4 et: