package FindExt;
-our $VERSION = '1.01';
+our $VERSION = '1.02';
use strict;
use warnings;
my $no = join('|',qw(GDBM_File ODBM_File NDBM_File DB_File
- Syslog SysV Langinfo));
+ VMS VMS-DCLsym VMS-Stdio 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->{i_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, "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 $ext;
my %static;
-sub getcwd {
- $_ = `cd`;
- chomp;
- s:\\:/:g ;
- return $ENV{'PWD'} = $_;
-}
-
-sub set_static_extensions
-{
+sub set_static_extensions {
# adjust results of scan_ext, and also save
# statics in case scan_ext hasn't been called yet.
+ # if '*' is passed then all XS extensions are static
+ # (with possible exclusions)
%static = ();
- for (@_) {
+ my @list = @_;
+ if (@_ and $_[0] eq '*') {
+ my %excl = map {$_=>1} map {m/^!(.*)$/} @_[1 .. $#_];
+ @list = grep {!exists $excl{$_}} keys %ext;
+ }
+ for (@list) {
$static{$_} = 1;
$ext{$_} = 'static' if $ext{$_} && $ext{$_} eq 'dynamic';
}
+
+ # 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 scan_ext
{
- my $here = getcwd();
- my $dir = shift;
- chdir($dir) || die "Cannot cd to $dir\n";
- ($ext = getcwd()) =~ s,/,\\,g;
- find_ext('');
- chdir($here) || die "Cannot cd to $here\n";
- my @ext = extensions();
+ my $dir = shift;
+ find_ext("$dir/");
+ extensions();
}
-sub dynamic_ext
-{
- return sort grep $ext{$_} eq 'dynamic',keys %ext;
+sub _ext_eq {
+ my $key = shift;
+ sub {
+ sort grep $ext{$_} eq $key, keys %ext;
+ }
}
-sub static_ext
-{
- return sort grep $ext{$_} eq 'static',keys %ext;
-}
+*dynamic_ext = _ext_eq('dynamic');
+*static_ext = _ext_eq('static');
+*nonxs_ext = _ext_eq('nonxs');
-sub nonxs_ext
-{
- return sort grep $ext{$_} eq 'nonxs',keys %ext;
-}
-
-sub extensions
-{
- return sort grep $ext{$_} ne 'known',keys %ext;
+sub _ext_ne {
+ my $key = shift;
+ sub {
+ sort grep $ext{$_} ne $key, keys %ext;
+ }
}
-sub known_extensions
-{
- # faithfully copy Configure in not including nonxs extensions for the nonce
- return sort grep $ext{$_} ne 'nonxs',keys %ext;
-}
+*extensions = _ext_ne('known');
+# faithfully copy Configure in not including nonxs extensions for the nonce
+*known_extensions = _ext_ne('nonxs');
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 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 find_ext
{
- opendir my $dh, '.';
- my @items = grep { !/^\.\.?$/ } readdir $dh;
- closedir $dh;
- for my $xxx (@items) {
- if ($xxx ne "DynaLoader") {
- if (-f "$xxx/$xxx.xs" || -f "$xxx/$xxx.c" ) {
- $ext{"$_[0]$xxx"} = $static{"$_[0]$xxx"} ? 'static' : 'dynamic';
- } elsif (-f "$xxx/Makefile.PL") {
- $ext{"$_[0]$xxx"} = 'nonxs';
- } else {
- if (-d $xxx && @_ < 10) {
- chdir $xxx;
- find_ext("$_[0]$xxx/", @_);
- chdir "..";
- }
- }
- $ext{"$_[0]$xxx"} = 'known' if $ext{"$_[0]$xxx"} && $xxx =~ $no;
+ my $ext_dir = shift;
+ opendir my $dh, "$ext_dir";
+ while (defined (my $item = readdir $dh)) {
+ next if $item =~ /^\.\.?$/;
+ next if $item eq "DynaLoader";
+ next unless -d "$ext_dir$item";
+ my $this_ext = $item;
+ my $leaf = $item;
+
+ $this_ext =~ s!-!/!g;
+ $leaf =~ s/.*-//;
+
+ # 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';
+ } else {
+ $ext{$this_ext} = 'nonxs';
}
- }
-
-# Special case: Add in threads/shared since it is not picked up by the
-# recursive find above (and adding in general recursive finding breaks
-# SDBM_File/sdbm). A.D. 10/25/2001.
-# Ditto for IO/Compress/Base and IO/Compress/Zlib
-
- if (!$_[0] && -d "threads/shared") {
- $ext{"threads/shared"} = 'dynamic';
- }
- if (!$_[0] && -d "IO/Compress/Base") {
- $ext{"IO/Compress/Base"} = 'nonxs';
- }
- if (!$_[0] && -d "IO/Compress/Zlib") {
- $ext{"IO/Compress/Zlib"} = 'nonxs';
+ $ext{$this_ext} = 'known' if $ext{$this_ext} && $item =~ $no;
}
}
1;
+# Local variables:
+# cperl-indent-level: 4
+# indent-tabs-mode: nil
+# End:
+#
+# ex: set ts=8 sts=4 sw=4 et:
https://perl5.git.perl.org / perl5.git / blobdiff