summaryrefslogtreecommitdiff
path: root/installperl
blob: af1287a399d8a3537102b8f40931748260639423 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
#!./perl -w

BEGIN {
    require 5.004;
    chdir '..' if !-d 'lib' and -d '../lib';
    @INC = 'lib';
    $ENV{PERL5LIB} = 'lib';

    # This needs to be at BEGIN time, before any use of Config
    require './install_lib.pl';
}

use strict;
use vars qw($Is_VMS $Is_W32 $Is_OS2 $Is_Cygwin $Is_Darwin $Is_NetWare
	    %opts $packlist);
my ($dostrip, $versiononly, $force,
    $otherperls, $archname, $nwinstall, $nopods);
# Not sure how easy it would be to refactor to remove the need for local $depth
# below
use vars qw /$depth/;

BEGIN {
    if ($Is_VMS) { eval 'use VMS::Filespec;' }
}

my $scr_ext = ($Is_VMS ? '.Com' : $Is_W32 ? '.bat' : '');

use File::Find;
use File::Compare;
use File::Copy ();
use File::Path ();
use ExtUtils::Packlist;
use Cwd;

if ($Is_NetWare) {
    $Is_W32 = 0;
    $scr_ext = '.pl';
}

# override the ones in the rest of the script
sub mkpath {
    File::Path::mkpath(@_) unless $opts{notify};
}

my $mainperldir = "/usr/bin";
my $exe_ext = $Config{exe_ext};

# Allow "make install PERLNAME=something_besides_perl":
my $perl = defined($ENV{PERLNAME}) ? $ENV{PERLNAME} : 'perl';

# This is the base used for versioned names, like "perl5.6.0".
# It's separate because a common use of $PERLNAME is to install
# perl as "perl5", if that's used as base for versioned files you
# get "perl55.6.0".
my $perl_verbase = defined($ENV{PERLNAME_VERBASE})
		    ? $ENV{PERLNAME_VERBASE}
		    : $perl;
my $dbg = '';
my $ndbg = '';
if ( $Is_VMS ) {
    if ( defined $Config{usevmsdebug} ) {
        if ( $Config{usevmsdebug} eq 'define' ) {
            $dbg = 'dbg';
            $ndbg = 'ndbg';
        }
    }
}

$otherperls = 1;
# This little hack simplifies making the code after the comment "Fetch some
# frequently-used items from %Config" warning free. With $opts{destdir} always
# defined, it's also possible to make the s/\Q$opts{destdir}\E unconditional.

$opts{destdir} = '';
# Consider refactoring this to use Getopt::Long once Getopt::Long's planned
# feature is implemented, to distinguish + and - options.
while (@ARGV) {
    $opts{notify} = 1 if $ARGV[0] eq '-n';
    $dostrip = 1 if $ARGV[0] eq '-s';
    $versiononly = 1 if $ARGV[0] eq '-v';
    $versiononly = 0 if $ARGV[0] eq '+v';
    $opts{silent} = 1 if $ARGV[0] eq '-S';
    $otherperls = 0 if $ARGV[0] eq '-o';
    $force = 1 if $ARGV[0] eq '-f';
    $opts{verbose} = 1 if $ARGV[0] eq '-V' || $ARGV [0] eq '-n';
    $archname = 1 if $ARGV[0] eq '-A';
    $nwinstall = 1 if $ARGV[0] eq '-netware';
    $nopods = 1 if $ARGV[0] eq '-p';
    $opts{destdir} = $1 if $ARGV[0] =~ /^-?-destdir=(.*)$/;
    if ($ARGV[0] eq '-?' or $ARGV[0] =~ /^-?-h/) {
	print <<"EOT";
Usage $0: [switches]
  -n	    Don't actually run any commands; just print them.
  -s        Run strip on installed binaries.
  -v        Only install perl as a binary with the version number in the name.
            (Override whatever config.sh says)
  +v        Install perl as "perl" and as a binary with the version number in
            the name.  (Override whatever config.sh says)
  -S        Silent mode.
  -f        Force installation (don't check if same version is there)
  -o        Skip checking for other copies of perl in your PATH.
  -V        Verbose mode.
  -A        Also install perl with the architecture's name in the perl binary's
            name.
  -p        Don't install the pod files. [This will break use diagnostics;]
  -netware  Install correctly on a Netware server.
  -destdir  Prefix installation directories by this string.
EOT
	exit;
    }
    shift;
}

$versiononly = 1 if $Config{versiononly} && !defined $versiononly;
my (@scripts, @tolink);
open SCRIPTS, "utils.lst" or die "Can't open utils.lst: $!";
while (<SCRIPTS>) {
    next if /^#/;
    next if /a2p/; # a2p is binary, to be installed separately
    chomp;
    if (/(\S*)\s*#\s*link\s*=\s*(\S*)/) {
	push @scripts, $1;
	push @tolink, [$1, $2];
    } else {
	push @scripts, $_;
    }
}
close SCRIPTS;

if ($scr_ext) { @scripts = map { "$_$scr_ext" } @scripts; }

my @pods = $nopods ? () : (<pod/*.pod>, 'x2p/a2p.pod');

# Specify here any .pm files that are actually architecture-dependent.
# (Those included with XS extensions under ext/ are automatically
# added later.)
# Now that the default privlib has the full perl version number included,
# we no longer have to play the trick of sticking version-specific .pm
# files under the archlib directory.
my %archpms = (
    Config => 1,
    lib => 1,
    Cwd => 1,
);

if ($^O eq 'dos') {
    push(@scripts,'djgpp/fixpmain');
    $archpms{config} = $archpms{filehand} = 1;
}

if ((-e "testcompile") && (defined($ENV{'COMPILE'}))) {
    push(@scripts, map("$_.exe", @scripts));
}

# Exclude nonxs extensions that are not architecture dependent
my @nonxs = grep(!/^Errno$/, split(' ', $Config{'nonxs_ext'}));

my @ext_dirs = qw(cpan dist ext);
foreach my $ext_dir (@ext_dirs) {
    find(sub {
	if (($File::Find::name =~ m{^$ext_dir\b(.*)/([^/]+)\.pm$}) &&
	    ! grep { (my $dir = $_) =~ s/\//-/g;
		     $File::Find::name =~ /^$ext_dir\/$dir\// } @nonxs)
	{
	    my($path, $modname) = ($1,$2);

	    # Change hyphenated name like Filter-Util-Call to nested
	    # directory name Filter/Util/Call
	    $path =~ s{-}{/}g;

	    # strip to optional "/lib", or remove trailing component
	    $path =~ s{.*/lib\b}{} or $path =~ s{/[^/]*$}{};

	    # strip any leading /
	    $path =~ s{^/}{};

	    # reconstitute canonical module name
	    $modname = "$path/$modname" if length $path;

	    # remember it
	    $archpms{$modname} = 1;
	}
    }, $ext_dir);
}

# print "[$_]\n" for sort keys %archpms;

my $ver = $Config{version};
my $release = substr($],0,3);   # Not used currently.
my $patchlevel = substr($],3,2);
die "Patchlevel of perl ($patchlevel)",
    "and patchlevel of config.sh ($Config{'PERL_VERSION'}) don't match\n"
	if $patchlevel != $Config{'PERL_VERSION'};

# Fetch some frequently-used items from %Config
my $installbin = "$opts{destdir}$Config{installbin}";
my $installscript = "$opts{destdir}$Config{installscript}";
my $installprivlib = "$opts{destdir}$Config{installprivlib}";
my $installarchlib = "$opts{destdir}$Config{installarchlib}";
my $installsitelib = "$opts{destdir}$Config{installsitelib}";
my $installsitearch = "$opts{destdir}$Config{installsitearch}";
my $installman1dir = "$opts{destdir}$Config{installman1dir}";
my $man1ext = $Config{man1ext};
my $libperl = $Config{libperl};
# Shared library and dynamic loading suffixes.
my $so = $Config{so};
my $dlext = $Config{dlext};
my $dlsrc = $Config{dlsrc};
if ($^O eq 'os390') {
    my $pwd;
    chomp($pwd=`pwd`);
    my $archlibexp = $Config{archlibexp};
    my $usedl = $Config{usedl};
    if ($usedl eq 'define') {
	`./$^X -pibak -e 's{$pwd\/libperl.x}{$archlibexp/CORE/libperl.x}' lib/Config.pm`;
    }
}

if ($nwinstall) {
    # This is required only if we are installing on a NetWare server
    $installscript = $Config{installnwscripts};
    $installprivlib = $Config{installnwlib};
    $installarchlib = $Config{installnwlib};
    $installsitelib = $Config{installnwlib};
}

my $binexp = $Config{binexp};

if ($Is_VMS) {  # Hang in there until File::Spec hits the big time
    foreach ( \$installbin,     \$installscript,  \$installprivlib,
	      \$installarchlib, \$installsitelib, \$installsitearch,
	      \$installman1dir ) {
	$$_ = unixify($$_);  $$_ =~ s:/$::;
    }
}

# Do some quick sanity checks.

   $installbin		|| die "No installbin directory in config.sh\n";
-d $installbin		|| mkpath($installbin, $opts{verbose}, 0777);
-d $installbin		|| $opts{notify} || die "$installbin is not a directory\n";
-w $installbin		|| $opts{notify} || die "$installbin is not writable by you\n"
	unless $installbin =~ m#^/afs/# || $opts{notify};

if (!$Is_NetWare) {
if (!$Is_VMS) {
-x 'perl' . $exe_ext	|| die "perl isn't executable!\n";
}
else {
-x $ndbg . 'perl' . $exe_ext	|| die "${ndbg}perl$exe_ext isn't executable!\n";
    if ($dbg) {
        -x $dbg . 'perl' . $exe_ext	|| die "${dbg}perl$exe_ext isn't executable!\n";
    }
}

-f 't/rantests'		|| $Is_W32
			|| warn "WARNING: You've never run 'make test' or",
				" some tests failed! (Installing anyway.)\n";
} #if (!$Is_NetWare)

# This will be used to store the packlist
$packlist = ExtUtils::Packlist->new("$installarchlib/.packlist");

if (($Is_W32 and ! $Is_NetWare) or $Is_Cygwin) {
    my $perldll;

    if ($Is_Cygwin) {
	$perldll = $libperl;
    } else {
	$perldll = 'perl5'.$Config{patchlevel}.'.'.$dlext;
    }

    if ($dlsrc ne "dl_none.xs") {
	-f $perldll || die "No perl DLL built\n";
    }

    # Install the DLL
    safe_unlink("$installbin/$perldll");
    copy("$perldll", "$installbin/$perldll");
    chmod(0755, "$installbin/$perldll");
    $packlist->{"$installbin/$perldll"} = { type => 'file' };
} # if (($Is_W32 and ! $Is_NetWare) or $Is_Cygwin)

# First we install the version-numbered executables.

if ($Is_VMS) {
    safe_unlink("$installbin/perl_setup.com");
    copy("perl_setup.com", "$installbin/perl_setup.com");
    chmod(0755, "$installbin/perl_setup.com");
    safe_unlink("$installbin/$dbg$perl$exe_ext");
    copy("$dbg$perl$exe_ext", "$installbin/$dbg$perl$exe_ext");
    chmod(0755, "$installbin/$dbg$perl$exe_ext");
    safe_unlink("$installbin/$dbg${perl}shr$exe_ext");
    copy("$dbg${perl}shr$exe_ext", "$installbin/$dbg${perl}shr$exe_ext");
    chmod(0755, "$installbin/$dbg${perl}shr$exe_ext");
    if ($ndbg) {
        safe_unlink("$installbin/$ndbg$perl$exe_ext");
        copy("$ndbg$perl$exe_ext", "$installbin/$ndbg$perl$exe_ext");
        chmod(0755, "$installbin/$ndbg$perl$exe_ext");
	safe_unlink("$installbin/${dbg}a2p$exe_ext");
	copy("x2p/${dbg}a2p$exe_ext", "$installbin/${dbg}a2p$exe_ext");
	chmod(0755, "$installbin/${dbg}a2p$exe_ext");
    }
}
elsif ($^O eq 'mpeix') {
    # MPE lacks hard links and requires that executables with special
    # capabilities reside in the MPE namespace.
    safe_unlink("$installbin/perl$ver$exe_ext", $Config{perlpath});
    # Install the primary executable into the MPE namespace as perlpath.
    copy("perl$exe_ext", $Config{perlpath});
    chmod(0755, $Config{perlpath});
    # Create a backup copy with the version number.
    link($Config{perlpath}, "$installbin/perl$ver$exe_ext");
}
elsif ($^O ne 'dos') {
    if (!$Is_NetWare) {
	safe_unlink("$installbin/$perl_verbase$ver$exe_ext");
	copy("perl$exe_ext", "$installbin/$perl_verbase$ver$exe_ext");
	strip("$installbin/$perl_verbase$ver$exe_ext");
	chmod(0755, "$installbin/$perl_verbase$ver$exe_ext");
    }
    else {
	# If installing onto a NetWare server
	if ($nwinstall) {
	    # Copy perl.nlm, echo.nlm, type.nlm, a2p.nlm & cgi2perl.nlm
            mkpath($Config{installnwsystem}, $opts{verbose}, 0777);
	    copy("netware\\".$ENV{'MAKE_TYPE'}."\\perl.nlm", $Config{installnwsystem});
	    copy("netware\\testnlm\\echo\\echo.nlm", $Config{installnwsystem});
	    copy("netware\\testnlm\\type\\type.nlm", $Config{installnwsystem});
	    copy("x2p\\a2p.nlm", $Config{installnwsystem});
	    chmod(0755, "$Config{installnwsystem}\\perl.nlm");
            mkpath($Config{installnwlcgi}, $opts{verbose}, 0777);
	    copy("lib\\auto\\cgi2perl\\cgi2perl.nlm", $Config{installnwlcgi});
	}
    } #if (!$Is_NetWare)
}
else {
    safe_unlink("$installbin/$perl.exe");
    copy("perl.exe", "$installbin/$perl.exe");
}

# Install library files.

my $do_installarchlib = !samepath($installarchlib, 'lib');
my $do_installprivlib = !samepath($installprivlib, 'lib');
my $vershort = ($Is_Cygwin and !$Config{usedevel}) ? substr($ver,0,-2) : $ver;
$do_installprivlib = 0 if $versiononly && !($installprivlib =~ m/\Q$vershort/);

mkpath($installprivlib, $opts{verbose}, 0777);
mkpath($installarchlib, $opts{verbose}, 0777);
mkpath($installsitelib, $opts{verbose}, 0777) if ($installsitelib);
mkpath($installsitearch, $opts{verbose}, 0777) if ($installsitearch);

if (chdir "lib") {
    if ($do_installarchlib || $do_installprivlib) {
	find(\&installlib, '.');
    }
    chdir ".." || die "Can't cd back to source directory: $!\n";
}
else {
    warn "Can't cd to lib to install lib files: $!\n";
}

# Install header files and libraries.
mkpath("$installarchlib/CORE", $opts{verbose}, 0777);
my @corefiles;
if ($Is_VMS) {  # We did core file selection during build
    my $coredir = "lib/$Config{archname}/$ver/CORE";
    $coredir =~ tr/./_/;
    map { s|^$coredir/||i; } @corefiles = <$coredir/*.*>;
}
elsif ($Is_Cygwin) { # On Cygwin symlink it to CORE to make Makefile happy
    @corefiles = <*.h libperl*.* perl*$Config{lib_ext}>;
    my $coredll = "$installarchlib/CORE/$libperl";
    safe_unlink($coredll);
    ( $Config{'d_link'} eq 'define' &&
      eval {
          CORE::link("$installbin/$libperl", $coredll);
          $packlist->{$coredll} = { from => "$installbin/$libperl",
                                    type => 'link' };
      }
    ) ||
    eval {
        symlink("$installbin/$libperl", $coredll);
        $packlist->{$coredll} = { from => "$installbin/$libperl",
                                  type => 'link' };
    } ||
    ( copy("$installbin/$libperl", $coredll) &&
      push(@corefiles, $coredll)
    )
} else {
    # [als] hard-coded 'libperl' name... not good!
    @corefiles = <*.h libperl*.* perl*$Config{lib_ext}>;

    # AIX needs perl.exp installed as well.
    push(@corefiles,'perl.exp') if $^O eq 'aix';
    if ($^O eq 'mpeix') {
	# MPE needs mpeixish.h installed as well.
	mkpath("$installarchlib/CORE/mpeix", $opts{verbose}, 0777);
	push(@corefiles,'mpeix/mpeixish.h');
    }
}
foreach my $file (@corefiles) {
    # HP-UX (at least) needs to maintain execute permissions
    # on dynamically-loadable libraries. So we do it for all.
    if (copy_if_diff($file,"$installarchlib/CORE/$file")) {
	if ($file =~ /\.(\Q$so\E|\Q$dlext\E)$/) {
	    strip("-S", "$installarchlib/CORE/$file") if $^O =~ /^(rhapsody|darwin)$/;
	    chmod(0555, "$installarchlib/CORE/$file");
	} else {
	    chmod(0444, "$installarchlib/CORE/$file");
	}
    }
}

# Install main perl executables
# Make links to ordinary names if installbin directory isn't current directory.

if (! $versiononly && ! samepath($installbin, '.') && ($^O ne 'dos') && ! $Is_VMS && ! $Is_NetWare) {
    safe_unlink("$installbin/$perl$exe_ext", "$installbin/suid$perl$exe_ext");
    if ($^O eq 'mpeix') {
	# MPE doesn't support hard links, so use a symlink.
	# We don't want another cloned copy.
	symlink($Config{perlpath}, "$installbin/perl$exe_ext");
    } elsif ($^O eq 'vos') {
	# VOS doesn't support hard links, so use a symlink.
	symlink("$installbin/$perl_verbase$ver$exe_ext",
		"$installbin/$perl$exe_ext");
    } else {
	link("$installbin/$perl_verbase$ver$exe_ext",
		"$installbin/$perl$exe_ext");
    }
}

# For development purposes it can be very useful to have multiple perls
# build for different "architectures" (eg threading or not) simultaneously.
if ($archname && ! samepath($installbin, '.') && ($^O ne 'dos') && ! $Is_VMS) {
    my $archperl = "$perl_verbase$ver-$Config{archname}$exe_ext";
    safe_unlink("$installbin/$archperl");
    if ($^O eq 'mpeix') {
	# MPE doesn't support hard links, so use a symlink.
	# We don't want another cloned copy.
	symlink($Config{perlpath}, "$installbin/$archperl");
    } elsif ($^O eq 'vos') {
	# VOS doesn't support hard links, so use a symlink.
	symlink("$installbin/$perl_verbase$ver$exe_ext",
		"$installbin/$archperl");
    } else {
	link("$installbin/$perl_verbase$ver$exe_ext", "$installbin/$archperl");
    }
}

# Offer to install perl in a "standard" location

my $mainperl_is_instperl = 0;

if ($Config{installusrbinperl} && $Config{installusrbinperl} eq 'define' &&
    !$versiononly && !$opts{notify} && !$Is_W32 && !$Is_NetWare && !$Is_VMS && -t STDIN && -t STDERR
	&& -w $mainperldir && ! samepath($mainperldir, $installbin)) {
    my($usrbinperl)	= "$mainperldir/$perl$exe_ext";
    my($instperl)	= "$installbin/$perl$exe_ext";
    my($expinstperl)	= "$binexp/$perl$exe_ext";

    # First make sure $usrbinperl is not already the same as the perl we
    # just installed.
    if (-x $usrbinperl) {
	# Try to be clever about mainperl being a symbolic link
	# to binexp/perl if binexp and installbin are different.
	$mainperl_is_instperl =
	    samepath($usrbinperl, $instperl) ||
	    samepath($usrbinperl, $expinstperl) ||
	     (($binexp ne $installbin) &&
	      (-l $usrbinperl) &&
	      ((readlink $usrbinperl) eq $expinstperl));
    }
    if (! $mainperl_is_instperl) {
	unlink($usrbinperl);
	( $Config{'d_link'} eq 'define' &&
	  eval { CORE::link $instperl, $usrbinperl } )	||
	eval { symlink $expinstperl, $usrbinperl }	||
	copy($instperl, $usrbinperl);

	$mainperl_is_instperl = 1;
    }
}

# Make links to ordinary names if installbin directory isn't current directory.
if (!$Is_NetWare && $dbg eq '') {
    if (! samepath($installbin, 'x2p')) {
	my $base = 'a2p';
	$base .= $ver if $versiononly;
	safe_unlink("$installbin/$base$exe_ext");
	copy("x2p/a2p$exe_ext", "$installbin/$base$exe_ext");
	strip("$installbin/$base$exe_ext");
	chmod(0755, "$installbin/$base$exe_ext");
    }
}

# cppstdin is just a script, but it is architecture-dependent, so
# it can't safely be shared.  Place it in $installbin.
# Note that Configure doesn't build cppstin if it isn't needed, so
# we skip this if cppstdin doesn't exist.
if (! $versiononly && (-f 'cppstdin') && (! samepath($installbin, '.'))) {
    safe_unlink("$installbin/cppstdin");
    copy("cppstdin", "$installbin/cppstdin");
    chmod(0755, "$installbin/cppstdin");
}

sub script_alias {
    my ($installscript, $orig, $alias, $scr_ext) = @_;

    safe_unlink("$installscript/$alias$scr_ext");
    if ($^O eq 'dos' or $Is_VMS or $^O eq 'transit') {
	copy("$installscript/$orig$scr_ext",
	     "$installscript/$alias$scr_ext");
    } elsif ($^O eq 'vos') {
	symlink("$installscript/$orig$scr_ext",
		"$installscript/$alias$scr_ext");
    } else {
	link("$installscript/$orig$scr_ext",
	     "$installscript/$alias$scr_ext");
    }
}

# Install scripts.
mkpath($installscript, $opts{verbose}, 0777);
if ($versiononly) {
    for (@scripts) {
	(my $base = $_) =~ s#.*/##;
	$base .= $ver;
	copy($_,    "$installscript/$base");
	chmod(0755, "$installscript/$base");
    }

    for (@tolink) {
	my ($from, $to) = map { "$_$ver" } @$_;
	(my $frbase = $from) =~ s#.*/##;
	(my $tobase = $to) =~ s#.*/##;
	script_alias($installscript, $frbase, $tobase, $scr_ext);
    }
} else {
    for (@scripts) {
	(my $base = $_) =~ s#.*/##;
	copy($_, "$installscript/$base");
	chmod(0755, "$installscript/$base");
    }

    for (@tolink) {
	my ($from, $to) = @$_;
	(my $frbase = $from) =~ s#.*/##;
	(my $tobase = $to) =~ s#.*/##;
	script_alias($installscript, $frbase, $tobase, $scr_ext);
    }
}

# Install pod pages.  Where? I guess in $installprivlib/pod
# ($installprivlib/pods for cygwin).

my $pod = ($Is_Cygwin || $Is_Darwin || $Is_VMS || $Is_W32) ? 'pods' : 'pod';
if ( !$versiononly || ($installprivlib =~ m/\Q$vershort/)) {
    mkpath("${installprivlib}/$pod", $opts{verbose}, 0777);

    for (@pods) {
	# $_ is a name like  pod/perl.pod
	(my $base = $_) =~ s#.*/##;
	copy_if_diff($_, "${installprivlib}/$pod/${base}");
    }

}

# Check to make sure there aren't other perls around in installer's
# path.  This is probably UNIX-specific.  Check all absolute directories
# in the path except for where public executables are supposed to live.
# Also skip $mainperl if the user opted to have it be a link to the
# installed perl.

if (!$versiononly && $otherperls) {
    my ($path, @path);
    my $dirsep = ($Is_OS2 || $Is_W32 || $Is_NetWare) ? ';' : ':' ;
    ($path = $ENV{"PATH"}) =~ s:\\:/:g ;
    @path = split(/$dirsep/, $path);
    if ($Is_VMS) {
	my $i = 0;
	while (exists $ENV{'DCL$PATH' . $i}) {
	    my $dir = unixpath($ENV{'DCL$PATH' . $i});  $dir =~ s-/$--;
	    push(@path,$dir);
	}
    }
    my @otherperls;
    my %otherperls;
    for (@path) {
	next unless m,^/,;
	# Use &samepath here because some systems have other dirs linked
	# to $mainperldir (like SunOS)
	next unless -d;
	next if samepath($_, $binexp);
	next if samepath($_, cwd());
	next if ($mainperl_is_instperl && samepath($_, $mainperldir));
	my $otherperl = "$_/$perl$exe_ext";
	next if $otherperls{$otherperl}++;
	push(@otherperls, $otherperl)
	    if (-x $otherperl && ! -d $otherperl);
    }
    if (@otherperls) {
	warn "\nWarning: $perl appears in your path in the following " .
	    "locations beyond where\nwe just installed it:\n";
	for (@otherperls) {
	    warn "    ", $_, "\n";
	}
	warn "\n";
    }

}

$packlist->write() unless $opts{notify};
print "  Installation complete\n" if $opts{verbose};

exit 0;

###############################################################################

# If these are needed elsewhere, move them into install_lib.pl rather than
# copying them.

sub yn {
    my($prompt) = @_;
    my($answer);
    my($default) = $prompt =~ m/\[([yn])\]\s*$/i;
    print STDERR $prompt;
    chop($answer = <STDIN>);
    $answer = $default if $answer =~ m/^\s*$/;
    ($answer =~ m/^[yY]/);
}

sub safe_unlink {
    return if $opts{notify} or $Is_VMS;
    my @names = @_;
    foreach my $name (@names) {
	next unless -e $name;
	chmod 0777, $name if ($Is_OS2 || $Is_W32 || $Is_NetWare);
	print "  unlink $name\n" if $opts{verbose};
	next if CORE::unlink($name);
	warn "Couldn't unlink $name: $!\n";
	if ($! =~ /busy/i) {
	    print "  mv $name $name.old\n" if $opts{verbose};
	    safe_rename($name, "$name.old")
		or warn "Couldn't rename $name: $!\n";
	}
    }
}

sub safe_rename {
    my($from,$to) = @_;
    if (-f $to and not unlink($to)) {
	my($i);
	for ($i = 1; $i < 50; $i++) {
	    last if rename($to, "$to.$i");
	}
	warn("Cannot rename to '$to.$i': $!"), return 0
	   if $i >= 50;	# Give up!
    }
    link($from,$to) || return 0;
    unlink($from);
}

sub copy {
    my($from,$to) = @_;

    my $xto = $to;
    $xto =~ s/^\Q$opts{destdir}\E//;
    print $opts{verbose} ? "  cp $from $xto\n" : "  $xto\n"
	unless $opts{silent};
    print "  creating new version of $xto\n"
	if $Is_VMS and -e $to and !$opts{silent};
    unless ($opts{notify} or File::Copy::copy($from, $to)) {
	# Might have been that F::C::c can't overwrite the target
	warn "Couldn't copy $from to $to: $!\n"
	    unless -f $to and (chmod(0666, $to), unlink $to)
		   and File::Copy::copy($from, $to);
    }
    $packlist->{$xto} = { type => 'file' };
}

sub installlib {
    my $dir = $File::Find::dir;
    $dir =~ s#^\.(?![^/])/?##;
    local($depth) = $dir ? "lib/$dir/" : "lib/";

    my $name = $_;

    # Ignore version control directories.
    if ($name =~ /^(?:CVS|RCS|SCCS|\.svn)\z/ and -d $name) {
	$File::Find::prune = 1;
	return;
    }

    # ignore patch backups, RCS files, emacs backup & temp files and the
    # .exists files, .PL files, and test files.
    return if $name =~ m{\.orig$|\.rej$|~$|^#.+#$|,v$|^\.exists|\.PL$|\.plc$|\.t$|^test\.pl$|^dbm_filter_util\.pl$|^filter-util\.pl$|^uupacktool\.pl$|^\.gitignore$} ||
	      $dir  =~ m{/t(?:/|$)};
    # ignore the cpan script in lib/CPAN/bin, the instmodsh and xsubpp
    # scripts in lib/ExtUtils, the prove script in lib/Test/Harness,
    # the corelist script from lib/Module/CoreList/bin and ptar* in
    # lib/Archive/Tar/bin, the config_data script in lib/Module/Build/scripts
    # and zipdetails in cpan/IO-Compress/bin
    # (they're installed later with other utils)
    return if $name =~ /^(?:cpan|instmodsh|prove|corelist|ptar|cpan2dist|cpanp|cpanp-run-perl|ptardiff|ptargrep|config_data|zipdetails)\z/;
    # ignore the Makefiles
    return if $name =~ /^makefile$/i;
    # ignore the test extensions
    return if $dir =~ m{\bXS/(?:APItest|Typemap)\b};
    return if $name =~ m{\b(?:APItest|Typemap)\.pm$};
    # ignore the build support code
    return if $name =~ /\bbuildcustomize\.pl$/;
    # ignore the demo files
    return if $dir =~ /\b(?:demos?|eg)\b/;
    # ignore unneeded unicore files
    if ( $dir =~ /^unicore/ ) {
      if ( $name =~ /\.txt\z/ ) {
        # We can ignore most, but not all .txt files
        return unless $name =~ /\A(?:Blocks|CaseFolding|SpecialCasing|NamedSequences)\.txt\z/;
      }
      else {
        # TestProp only needed during testing
        return if $name =~ /\ATestProp.pl\z/;
        # we need version and *.pl files and can skip the rest
        return unless $name =~ /\A(?:version|\w+\.p[lm])\z/;
      }
    }

    # ignore READMEs, MANIFESTs, INSTALL docs, META.ymls and change logs.
    # Changes.e2x and README.e2x are needed by enc2xs.
    return if $name =~ m{^(?:README(?:\.\w+)?)$} && $name ne 'README.e2x';
    return if $name =~ m{^(?:MANIFEST|META\.yml)$};
    return if $name =~ m{^(?:INSTALL|TODO|BUGS|CREDITS)$}i;
    return if $name =~ m{^change(?:s|log)(?:\.libnet)?$}i;
    return if $name =~ m{^(?:SIGNATURE|PAUSE200\d\.pub)$}; # CPAN files
    return if $name =~ m{^(?:NOTES|PATCHING)$}; # ExtUtils files

    # if using a shared perl library then ignore:
    # - static library files [of statically linked extensions];
    # - import library files and export library files (only present on Win32
    #   anyway?) and empty bootstrap files [of dynamically linked extensions].
    return if $Config{useshrplib} eq 'true' and
             ($name =~ /$Config{_a}$/ or $name =~ /\.exp$/ or ($name =~ /\.bs$/ and -z $name));

    $name = "$dir/$name" if $dir ne '';

    return if $name eq 'ExtUtils/XSSymSet.pm' and !$Is_VMS;

    my $installlib = $installprivlib;
    if ($dir =~ /^auto\// ||
	  ($name =~ /^(.*)\.(?:pm|pod)$/ && $archpms{$1}) ||
	  ($name =~ /^(.*)\.(?:h|lib)$/i && ($Is_W32 || $Is_NetWare)) ||
	  $name=~/^Config_(heavy|git)\.pl\z/
       ) {
	$installlib = $installarchlib;
	return unless $do_installarchlib;
    } else {
	return unless $do_installprivlib;
    }

    if ($Is_NetWare && !$nwinstall && /\.(?:nlp|nlm|bs)$/) {
        # Don't copy .nlp,.nlm files, doesn't make sense on Windows and also
        # if copied will give problems when building new extensions.
        # Has to be copied if we are installing on a NetWare server and
        # hence the check !$nwinstall
        return;
    }

    if (-f $_) {
	if (/\.(?:al|ix)$/ && !($dir =~ m[^auto/(.*)$])) {
	    $installlib = $installprivlib;
	    #We're installing *.al and *.ix files into $installprivlib,
	    #but we have to delete old *.al and *.ix files from the 5.000
	    #distribution:
	    #This might not work because $archname might have changed.
	    unlink("$installarchlib/$name");
	}
	my $xname = "$installlib/$name";
	$xname =~ s/^\Q$opts{destdir}\E//;
	$packlist->{$xname} = { type => 'file' };
	if ($force || compare($_, "$installlib/$name") || $opts{notify}) {
	    unlink("$installlib/$name");
	    mkpath("$installlib/$dir", $opts{verbose}, 0777);
	    # HP-UX (at least) needs to maintain execute permissions
	    # on dynamically-loaded libraries.
            if (copy_if_diff($_, "$installlib/$name")) {
                strip("-S", "$installlib/$name")
                    if $^O =~ /^(rhapsody|darwin)$/ and /\.(?:so|$dlext|a)$/;
                chmod(/\.(so|$dlext)$/ ? 0555 : 0444, "$installlib/$name");
            }
	}
    }
}

# Copy $from to $to, only if $from is different than $to.
# Also preserve modification times for .a libraries.
# On some systems, if you do
#   ranlib libperl.a
#   cp libperl.a /usr/local/lib/perl5/archlib/CORE/libperl.a
# and then try to link against the installed libperl.a, you might
# get an error message to the effect that the symbol table is older
# than the library.
# Return true if copying occurred.

sub copy_if_diff {
    my($from,$to)=@_;
    return 1 if (($^O eq 'VMS') && (-d $from));
    my $xto = $to;
    $xto =~ s/^\Q$opts{destdir}\E//;
    my $perlpodbadsymlink;
    if ($from =~ m!^pod/perl[\w-]+\.pod$! &&
	-l $from &&
	! -e $from) {
	# Some Linux implementations have problems traversing over
	# multiple symlinks (when going over NFS?) and fail to read
	# the symlink target.  Combine this with the fact that some
	# of the pod files (the perl$OS.pod) are symlinks (to ../README.$OS),
	# and you end up with those pods not getting installed.
	$perlpodbadsymlink = 1;
    }
    -f $from || $perlpodbadsymlink || warn "$0: $from not found";
    $packlist->{$xto} = { type => 'file' };
    if ($force || compare($from, $to) || $opts{notify}) {
	safe_unlink($to);   # In case we don't have write permissions.
	if ($opts{notify}) {
            $from = $depth . $from if $depth;
	}
	if ($perlpodbadsymlink && $from =~ m!^pod/perl(.+)\.pod$!) {
	    $from = "README.$1";
	}
	copy($from, $to);
	# Restore timestamps if it's a .a library or for OS/2.
	if (!$opts{notify} && ($Is_OS2 || $to =~ /\.a$/)) {
	    my ($atime, $mtime) = (stat $from)[8,9];
	    utime $atime, $mtime, $to;
	}
	1;
    }
}

sub strip
{
    my(@args) = @_;

    return unless $dostrip;

    my @opts;
    while (@args && $args[0] =~ /^(-\w+)$/) {
	push @opts, shift @args;
    }

    foreach my $file (@args) {
	if (-f $file) {
	    if ($opts{verbose}) {
		print "  strip " . join(' ', @opts);
		print " " if (@opts);
		print "$file\n";
	    }
	    system("strip", @opts, $file);
	} else {
	    print "# file '$file' skipped\n" if $opts{verbose};
	}
    }
}

# Local variables:
# cperl-indent-level: 4
# indent-tabs-mode: nil
# End:
#
# ex: set ts=8 sts=4 sw=4 et: