| 1 | package FindExt; |
| 2 | use strict; |
| 3 | use File::Find; |
| 4 | use File::Basename; |
| 5 | use Cwd; |
| 6 | |
| 7 | my $no = join('|',qw(DynaLoader GDBM_File ODBM_File NDBM_File DB_File Syslog Sysv)); |
| 8 | $no = qr/^(?:$no)$/i; |
| 9 | |
| 10 | my %ext; |
| 11 | my $ext; |
| 12 | sub scan_ext |
| 13 | { |
| 14 | my $here = getcwd(); |
| 15 | my $dir = shift; |
| 16 | chdir($dir) || die "Cannot cd to $dir\n"; |
| 17 | ($ext = getcwd()) =~ s,/,\\,g; |
| 18 | find(\&find_ext,'.'); |
| 19 | chdir($here) || die "Cannot cd to $here\n"; |
| 20 | my @ext = extensions(); |
| 21 | } |
| 22 | |
| 23 | sub dynamic_extensions |
| 24 | { |
| 25 | return grep $ext{$_} eq 'dynamic',keys %ext; |
| 26 | } |
| 27 | |
| 28 | sub noxs_extensions |
| 29 | { |
| 30 | return grep $ext{$_} eq 'noxs',keys %ext; |
| 31 | } |
| 32 | |
| 33 | sub extensions |
| 34 | { |
| 35 | return keys %ext; |
| 36 | } |
| 37 | |
| 38 | sub find_ext |
| 39 | { |
| 40 | if (/^(.*)\.pm$/i || /^(.*)_pm.PL$/i) |
| 41 | { |
| 42 | my $name = $1; |
| 43 | return if $name =~ $no; |
| 44 | my $dir = $File::Find::dir; |
| 45 | $dir =~ s,./,,; |
| 46 | return if exists $ext{$dir}; |
| 47 | return unless -f "$ext/$dir/Makefile.PL"; |
| 48 | if ($dir =~ /$name$/i) |
| 49 | { |
| 50 | if (-f "$ext/$dir/$name.xs") |
| 51 | { |
| 52 | $ext{$dir} = 'dynamic'; |
| 53 | } |
| 54 | else |
| 55 | { |
| 56 | $ext{$dir} = 'nonxs'; |
| 57 | } |
| 58 | } |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | 1; |