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Fix Win32 build problem caused by change 23757
[perl5.git] / win32 / FindExt.pm
CommitLineData
8e232993 1package FindExt;
28b605d8
JH
2
3our $VERSION = '1.00';
4
8e232993 5use strict;
ca58f2ae 6use warnings;
8e232993 7
ca58f2ae 8my $no = join('|',qw(GDBM_File ODBM_File NDBM_File DB_File
86c8d741 9 Syslog SysV Langinfo));
8e232993
NIS
10$no = qr/^(?:$no)$/i;
11
12my %ext;
13my $ext;
ca58f2ae
YST
14my %static;
15
16sub getcwd {
17 $ENV{'PWD'} = Win32::GetCwd();
18 $ENV{'PWD'} =~ s:\\:/:g ;
19 return $ENV{'PWD'};
20}
21
22sub set_static_extensions
23{
24 # adjust results of scan_ext, and also save
25 # statics in case scan_ext hasn't been called yet.
26 %static = ();
27 for (@_) {
28 $static{$_} = 1;
29 $ext{$_} = 'static' if $ext{$_} && $ext{$_} eq 'dynamic';
30 }
31}
32
8e232993
NIS
33sub scan_ext
34{
35 my $here = getcwd();
36 my $dir = shift;
37 chdir($dir) || die "Cannot cd to $dir\n";
38 ($ext = getcwd()) =~ s,/,\\,g;
ca58f2ae 39 find_ext('');
8e232993
NIS
40 chdir($here) || die "Cannot cd to $here\n";
41 my @ext = extensions();
42}
43
ca58f2ae
YST
44sub dynamic_ext
45{
46 return sort grep $ext{$_} eq 'dynamic',keys %ext;
47}
48
49sub static_ext
8e232993 50{
ca58f2ae 51 return sort grep $ext{$_} eq 'static',keys %ext;
8e232993
NIS
52}
53
ca58f2ae 54sub nonxs_ext
8e232993 55{
ca58f2ae 56 return sort grep $ext{$_} eq 'nonxs',keys %ext;
8e232993
NIS
57}
58
59sub extensions
60{
ca58f2ae
YST
61 return sort grep $ext{$_} ne 'known',keys %ext;
62}
63
64sub known_extensions
65{
66 # faithfully copy Configure in not including nonxs extensions for the nonce
67 return sort grep $ext{$_} ne 'nonxs',keys %ext;
68}
69
70sub is_static
71{
72 return $ext{$_[0]} eq 'static'
8e232993
NIS
73}
74
ca58f2ae
YST
75# Function to recursively find available extensions, ignoring DynaLoader
76# NOTE: recursion limit of 10 to prevent runaway in case of symlink madness
8e232993
NIS
77sub find_ext
78{
679f4c1f
SH
79 opendir my $dh, '.';
80 my @items = grep { !/^\.\.?$/ } readdir $dh;
81 closedir $dh;
82 for my $xxx (@items) {
ca58f2ae
YST
83 if ($xxx ne "DynaLoader") {
84 if (-f "$xxx/$xxx.xs") {
85 $ext{"$_[0]$xxx"} = $static{"$_[0]$xxx"} ? 'static' : 'dynamic';
86 } elsif (-f "$xxx/Makefile.PL") {
87 $ext{"$_[0]$xxx"} = 'nonxs';
88 } else {
89 if (-d $xxx && @_ < 10) {
90 chdir $xxx;
91 find_ext("$_[0]$xxx/", @_);
92 chdir "..";
93 }
94 }
95 $ext{"$_[0]$xxx"} = 'known' if $ext{"$_[0]$xxx"} && $xxx =~ $no;
96 }
97 }
98
99# Special case: Add in threads/shared since it is not picked up by the
100# recursive find above (and adding in general recursive finding breaks
101# SDBM_File/sdbm). A.D. 10/25/2001.
102
103 if (!$_[0] && -d "threads/shared") {
104 $ext{"threads/shared"} = 'dynamic';
8e232993 105 }
8e232993
NIS
106}
107
1081;