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package FindExt;
use strict;
use File::Find;
use File::Basename;
use Cwd;
my $no = join('|',qw(DynaLoader GDBM_File ODBM_File NDBM_File DB_File
Syslog SysV Langinfo));
$no = qr/^(?:$no)$/i;
my %ext;
my $ext;
sub scan_ext
{
my $here = getcwd();
my $dir = shift;
chdir($dir) || die "Cannot cd to $dir\n";
($ext = getcwd()) =~ s,/,\\,g;
find(\&find_ext,'.');
chdir($here) || die "Cannot cd to $here\n";
my @ext = extensions();
}
sub dynamic_extensions
{
return grep $ext{$_} eq 'dynamic',keys %ext;
}
sub noxs_extensions
{
return grep $ext{$_} eq 'nonxs',keys %ext;
}
sub extensions
{
return keys %ext;
}
sub find_ext
{
if (/^(.*)\.pm$/i || /^(.*)_pm\.PL$/i || /^(.*)\.xs$/i)
{
my $name = $1;
return if $name =~ $no;
my $dir = $File::Find::dir;
$dir =~ s,./,,;
return if exists $ext{$dir};
return unless -f "$ext/$dir/Makefile.PL";
if ($dir =~ /$name$/i)
{
if (-f "$ext/$dir/$name.xs")
{
$ext{$dir} = 'dynamic';
}
else
{
$ext{$dir} = 'nonxs';
}
}
}
}
1;
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