xref: /openbsd/gnu/usr.bin/perl/installperl (revision fdcd7346)
1#!./perl -w
2
3BEGIN {
4    chdir '..' if !-d 'lib' and -d '../lib';
5    @INC = 'lib';
6    $ENV{PERL5LIB} = 'lib';
7
8    # This needs to be at BEGIN time, before any use of Config
9    # install_lib itself loads and imports Config into main::
10    require './install_lib.pl';
11}
12
13use strict;
14our ($Is_VMS, $Is_W32, $Is_OS2, $Is_Cygwin, $Is_Darwin, $Is_AmigaOS,
15	    %opts, $packlist);
16my $versiononly;
17
18BEGIN {
19    if ($Is_VMS) { eval 'use VMS::Filespec;' }
20}
21
22# HP-UX (at least) needs to maintain execute permissions
23# on dynamically-loadable libraries. So we do it for all.
24#
25# In AmigaOS, the 0777 means 'rwed' (e = execute, d = delete),
26# (not 'rwx') and having the 'd' makes updates more convenient.
27my $SO_MODE     = $Is_AmigaOS ? 0777 : 0555;
28my $NON_SO_MODE = $Is_AmigaOS ? 0666 : 0444;
29
30my $scr_ext = ($Is_VMS ? '.Com' : $Is_W32 ? '.bat' : '');
31
32use File::Find;
33use File::Compare;
34use File::Copy ();
35use ExtUtils::Packlist;
36use Cwd;
37# nogetopt_compat to disable treating +v as meaning -v
38use Getopt::Long qw(:config nogetopt_compat no_auto_abbrev noignorecase);
39
40require './Porting/pod_lib.pl';
41
42my $mainperldir = "/usr/bin";
43my $exe_ext = $Config{exe_ext};
44
45# Allow "make install PERLNAME=something_besides_perl":
46my $perl = defined($ENV{PERLNAME}) ? $ENV{PERLNAME} : 'perl';
47
48# This is the base used for versioned names, like "perl5.6.0".
49# It's separate because a common use of $PERLNAME is to install
50# perl as "perl5", if that's used as base for versioned files you
51# get "perl55.6.0".
52my $perl_verbase = defined($ENV{PERLNAME_VERBASE})
53		    ? $ENV{PERLNAME_VERBASE}
54		    : $perl;
55my $dbg = '';
56my $ndbg = '';
57if ( $Is_VMS ) {
58    if ( defined $Config{usevmsdebug} ) {
59        if ( $Config{usevmsdebug} eq 'define' ) {
60            $dbg = 'dbg';
61            $ndbg = 'ndbg';
62        }
63    }
64}
65
66# This little hack simplifies making the code after the comment "Fetch some
67# frequently-used items from %Config" warning free. With $opts{destdir} always
68# defined, it's also possible to make the s/\Q$opts{destdir}\E unconditional.
69
70$opts{destdir} = '';
71{
72    my $usage = 0;
73    if (!GetOptions(\%opts, 'notify|n', 'strip|s', 'silent|S',
74                    'skip-otherperls|o', 'force|f', 'verbose|V', 'archname|A',
75                    'nopods|p', 'destdir:s', 'help|h|?', 'user|u:s', 'group|g:s',
76                    'versiononly|v' => \$versiononly, '<>' => sub {
77                        if ($_[0] eq '+v') {
78                            $versiononly = 0;
79                        } else {
80                            # Any other unknown argument is going to be an error
81                            $usage = 1;
82                        }
83                    },
84                   )) {
85        $usage = 1;
86    }
87    $opts{verbose} ||= $opts{notify};
88
89    if ($usage || $opts{help}) {
90        print <<"EOT";
91Usage $0: [switches]
92  -n	    Don't actually run any commands; just print them.
93  -s        Run strip on installed binaries.
94  -v        Only install perl as a binary with the version number in the name.
95            (Override whatever config.sh says)
96  +v        Install perl as "perl" and as a binary with the version number in
97            the name.  (Override whatever config.sh says)
98  -S        Silent mode.
99  -f        Force installation (don't check if same version is there)
100  -o        Skip checking for other copies of perl in your PATH.
101  -V        Verbose mode.
102  -A        Also install perl with the architecture's name in the perl binary's
103            name.
104  -p        Don't install the pod files. [This will break use diagnostics;]
105  -g group  install files with the specified group
106  -u user   install files with the specified user
107  -destdir  Prefix installation directories by this string.
108  -h        Display this help message.
109EOT
110        exit $usage;
111    }
112}
113$opts{'uid'} = getpwnam($opts{'user'}) if exists($opts{'user'});
114$opts{'gid'} = getgrnam($opts{'group'}) if exists($opts{'group'});
115
116$versiononly = 1 if $Config{versiononly} && !defined $versiononly;
117my (@scripts, @tolink);
118open SCRIPTS, "utils.lst" or die "Can't open utils.lst: $!";
119while (<SCRIPTS>) {
120    next if /^#/;
121    chomp;
122    if (/(\S*)\s*#\s*link\s*=\s*(\S*)/) {
123	push @scripts, $1;
124	push @tolink, [$1, $2];
125    } else {
126	push @scripts, $_;
127    }
128}
129close SCRIPTS;
130
131if ($scr_ext) { @scripts = map { "$_$scr_ext" } @scripts; }
132
133# Specify here any .pm files that are actually architecture-dependent.
134# (Those included with XS extensions under ext/ are automatically
135# added later.)
136# Now that the default privlib has the full perl version number included,
137# we no longer have to play the trick of sticking version-specific .pm
138# files under the archlib directory.
139my %archpms = (
140    Config => 1,
141    lib => 1,
142);
143
144if ((-e "testcompile") && (defined($ENV{'COMPILE'}))) {
145    push(@scripts, map("$_.exe", @scripts));
146}
147
148# Exclude nonxs extensions that are not architecture dependent
149my @nonxs = grep(!/^(Errno|IO\/Compress)$/, split(' ', $Config{'nonxs_ext'}));
150
151my @ext_dirs = qw(cpan dist ext);
152foreach my $ext_dir (@ext_dirs) {
153    find(sub {
154	if (($File::Find::name =~ m{^$ext_dir\b(.*)/([^/]+)\.pm$}) &&
155	    ! grep { (my $dir = $_) =~ s/\//-/g;
156		     $File::Find::name =~ /^$ext_dir\/$dir\// } @nonxs)
157	{
158	    my($path, $modname) = ($1,$2);
159
160	    # Change hyphenated name like Filter-Util-Call to nested
161	    # directory name Filter/Util/Call
162	    $path =~ s{-}{/}g;
163
164	    # strip to optional "/lib", or remove trailing component
165	    $path =~ s{.*/lib\b}{} or $path =~ s{/[^/]*$}{};
166
167	    # strip any leading /
168	    $path =~ s{^/}{};
169
170	    # reconstitute canonical module name
171	    $modname = "$path/$modname" if length $path;
172
173	    # remember it
174	    $archpms{$modname} = 1;
175	}
176    }, $ext_dir);
177}
178
179# print "[$_]\n" for sort keys %archpms;
180
181my $ver = $Config{version};
182my $release = substr($],0,3);   # Not used currently.
183my $patchlevel = substr($],3,2);
184die "Patchlevel of perl ($patchlevel)",
185    "and patchlevel of config.sh ($Config{'PERL_VERSION'}) don't match\n"
186	if $patchlevel != $Config{'PERL_VERSION'};
187
188# Fetch some frequently-used items from %Config
189my $installbin = "$opts{destdir}$Config{installbin}";
190my $installscript = "$opts{destdir}$Config{installscript}";
191my $installprivlib = "$opts{destdir}$Config{installprivlib}";
192my $installarchlib = "$opts{destdir}$Config{installarchlib}";
193my $installsitelib = "$opts{destdir}$Config{installsitelib}";
194my $installsitearch = "$opts{destdir}$Config{installsitearch}";
195my $installman1dir = "none";
196my $man1ext = $Config{man1ext};
197my $libperl = $Config{libperl};
198# Shared library and dynamic loading suffixes.
199my $so = $Config{so};
200my $dlext = $Config{dlext};
201my $dlsrc = $Config{dlsrc};
202if ($^O eq 'os390') {
203    my $pwd;
204    chomp($pwd=`pwd`);
205    my $archlibexp = $Config{archlibexp};
206    my $usedl = $Config{usedl};
207    if ($usedl eq 'define') {
208	`./$^X -pibak -e 's{$pwd\/libperl.x}{$archlibexp/CORE/libperl.x}' lib/Config.pm`;
209    }
210}
211
212my $binexp = $Config{binexp};
213
214if ($Is_VMS) {  # Hang in there until File::Spec hits the big time
215    foreach ( \$installbin,     \$installscript,  \$installprivlib,
216	      \$installarchlib, \$installsitelib, \$installsitearch,
217	      \$installman1dir ) {
218	$$_ = unixify($$_);  $$_ =~ s:/$::;
219    }
220}
221
222# Do some quick sanity checks.
223
224   $installbin		|| die "No installbin directory in config.sh\n";
225-d $installbin	        || mkpath($installbin);
226-d $installbin		|| $opts{notify} || die "$installbin is not a directory\n";
227
228if (!$Is_VMS) {
229-x 'perl' . $exe_ext	|| die "perl isn't executable!\n";
230}
231else {
232-x $ndbg . 'perl' . $exe_ext	|| die "${ndbg}perl$exe_ext isn't executable!\n";
233    if ($dbg) {
234        -x $dbg . 'perl' . $exe_ext	|| die "${dbg}perl$exe_ext isn't executable!\n";
235    }
236}
237
238#-f 't/rantests'		|| $Is_W32
239#			|| warn "WARNING: You've never run 'make test' or",
240#				" some tests failed! (Installing anyway.)\n";
241
242# This will be used to store the packlist
243$packlist = ExtUtils::Packlist->new("$installarchlib/.packlist");
244
245if ($Is_W32 or $Is_Cygwin) {
246    my $perldll;
247
248    if ($Is_Cygwin) {
249	$perldll = $libperl;
250    } else {
251	$perldll = 'perl5'.$Config{patchlevel}.'.'.$so;
252    }
253
254    if ($dlsrc ne "dl_none.xs") {
255	-f $perldll || die "No perl DLL built\n";
256    }
257
258    # Install the DLL
259    safe_unlink("$installbin/$perldll");
260    copy("$perldll", "$installbin/$perldll");
261    chmod(0755, "$installbin/$perldll");
262    $packlist->{"$Config{installbin}/$perldll"} = { type => 'file' };
263} # if ($Is_W32 or $Is_Cygwin)
264
265# Get the install command and flags from the environment
266my @installcmd = $ENV{"INSTALL"} || "install";
267push(@installcmd, $ENV{"INSTALL_COPY"} || "-c");
268
269# First we install the version-numbered executables.
270
271if ($Is_VMS) {
272    safe_unlink("$installbin/perl_setup.com");
273    copy("perl_setup.com", "$installbin/perl_setup.com");
274    chmod(0755, "$installbin/perl_setup.com");
275    safe_unlink("$installbin/$dbg$perl$exe_ext");
276    copy("$dbg$perl$exe_ext", "$installbin/$dbg$perl$exe_ext");
277    chmod(0755, "$installbin/$dbg$perl$exe_ext");
278    safe_unlink("$installbin/$dbg${perl}shr$exe_ext");
279    copy("$dbg${perl}shr$exe_ext", "$installbin/$dbg${perl}shr$exe_ext");
280    chmod(0755, "$installbin/$dbg${perl}shr$exe_ext");
281    if ($ndbg) {
282        safe_unlink("$installbin/$ndbg$perl$exe_ext");
283        copy("$ndbg$perl$exe_ext", "$installbin/$ndbg$perl$exe_ext");
284        chmod(0755, "$installbin/$ndbg$perl$exe_ext");
285    }
286}
287else {
288    my $ver = ''; # don't install a versioned perl binary
289    install("perl$exe_ext", "$installbin/$perl_verbase$ver$exe_ext", "0755");
290    `chtag -r "$installbin/$perl_verbase$ver$exe_ext"` if ($^O eq 'os390');
291}
292
293# Install library files.
294
295my $do_installarchlib = !samepath($installarchlib, 'lib');
296my $do_installprivlib = !samepath($installprivlib, 'lib');
297my $vershort = ($Is_Cygwin and !$Config{usedevel}) ? substr($ver,0,-2) : $ver;
298$do_installprivlib = 0 if $versiononly && !($installprivlib =~ m/\Q$vershort/);
299
300mkpath($installprivlib);
301mkpath($installarchlib);
302mkpath($installsitelib, $opts{verbose}, 0777) if ($installsitelib);
303mkpath($installsitearch, $opts{verbose}, 0777) if ($installsitearch);
304
305if (-d 'lib') {
306    find({no_chdir => 1, wanted => \&installlib}, 'lib')
307        if $do_installarchlib || $do_installprivlib;
308}
309else {
310    warn "Can't install lib files - 'lib/' does not exist";
311}
312
313# Install header files and libraries.
314mkpath("$installarchlib/CORE");
315my @corefiles;
316if ($Is_VMS) {  # We did core file selection during build
317    my $coredir = "lib/$Config{archname}/$ver/CORE";
318    $coredir =~ tr/./_/;
319    map { s|^$coredir/||i; } @corefiles = <$coredir/*.*>;
320}
321elsif ($Is_Cygwin) { # On Cygwin symlink it to CORE to make Makefile happy
322    @corefiles = <*.h libperl*.* perl*$Config{lib_ext}>;
323    my $coredll = "$installarchlib/CORE/$libperl";
324    my $instcoredll = "$Config{installarchlib}/CORE/$libperl";
325    safe_unlink($coredll);
326    ( $Config{'d_link'} eq 'define' &&
327      eval {
328          CORE::link("$installbin/$libperl", $coredll);
329          $packlist->{$instcoredll} = { from => "$Config{installbin}/$libperl",
330                                    type => 'link' };
331      }
332    ) ||
333    eval {
334        symlink("$installbin/$libperl", $coredll);
335        $packlist->{$instcoredll} = { from => "$Config{installbin}/$libperl",
336                                  type => 'link' };
337    } ||
338    ( copy("$installbin/$libperl", $coredll) &&
339      push(@corefiles, $instcoredll)
340    )
341} elsif ($Is_W32) {
342    @corefiles = <*.h>;
343} else {
344    # [als] hard-coded 'libperl' name... not good!
345    #@corefiles = <*.h libperl*.* perl*$Config{lib_ext}>;
346    @corefiles = <*.h *.inc perl*$Config{lib_ext}>;
347    install($libperl, "$opts{destdir}$Config{glibpth}/$libperl", "0444");
348
349    # AIX needs perl.exp installed as well.
350    push(@corefiles,'perl.exp') if $^O eq 'aix';
351}
352
353
354foreach my $file (@corefiles) {
355    if (copy_if_diff($file,"$installarchlib/CORE/$file")) {
356	if ($file =~ /\.(\Q$so\E|\Q$dlext\E)$/) {
357	    strip("-S", "$installarchlib/CORE/$file") if $^O eq 'darwin';
358	    fix_dep_names("$installarchlib/CORE/$file");
359	    chmod($SO_MODE, "$installarchlib/CORE/$file");
360	} else {
361	    chmod($NON_SO_MODE, "$installarchlib/CORE/$file");
362	}
363        `chtag -r "$installarchlib/CORE/$file"` if ($^O eq 'os390');
364    }
365}
366
367if ($Is_W32) { #linking lib isn't made in root but in CORE on Win32
368    @corefiles = <lib/CORE/libperl*.* lib/CORE/perl*$Config{lib_ext}>;
369    my $dest;
370    copy_if_diff($_,($dest = $installarchlib.substr($_,3))) &&
371	chmod($NON_SO_MODE, $dest) foreach @corefiles;
372}
373
374# Install main perl executables
375# Make links to ordinary names if installbin directory isn't current directory.
376
377if (0) { # don't install a versioned perl binary
378#if (! $versiononly && ! samepath($installbin, '.') && ! $Is_VMS) {
379    safe_unlink("$installbin/$perl$exe_ext", "$installbin/suid$perl$exe_ext");
380    if ($^O eq 'vos') {
381	# VOS doesn't support hard links, so use a symlink.
382	symlink("$installbin/$perl_verbase$ver$exe_ext",
383		"$installbin/$perl$exe_ext");
384    } else {
385	link("$installbin/$perl_verbase$ver$exe_ext",
386		"$installbin/$perl$exe_ext");
387    }
388}
389
390# For development purposes it can be very useful to have multiple perls
391# build for different "architectures" (eg threading or not) simultaneously.
392if ($opts{archname} && ! samepath($installbin, '.') && ! $Is_VMS) {
393    my $archperl = "$perl_verbase$ver-$Config{archname}$exe_ext";
394    safe_unlink("$installbin/$archperl");
395    if ($^O eq 'vos') {
396	# VOS doesn't support hard links, so use a symlink.
397	symlink("$installbin/$perl_verbase$ver$exe_ext",
398		"$installbin/$archperl");
399    } else {
400	link("$installbin/$perl_verbase$ver$exe_ext", "$installbin/$archperl");
401    }
402}
403
404# Offer to install perl in a "standard" location
405
406my $mainperl_is_instperl = 0;
407
408if ($Config{installusrbinperl} && $Config{installusrbinperl} eq 'define' &&
409    !$versiononly && !$opts{notify} && !$Is_W32 && !$Is_VMS && -t STDIN && -t STDERR
410	&& -w $mainperldir && ! samepath($mainperldir, $installbin)) {
411    my($usrbinperl)	= "$mainperldir/$perl$exe_ext";
412    my($instperl)	= "$installbin/$perl$exe_ext";
413    my($expinstperl)	= "$binexp/$perl$exe_ext";
414
415    # First make sure $usrbinperl is not already the same as the perl we
416    # just installed.
417    if (-x $usrbinperl) {
418	# Try to be clever about mainperl being a symbolic link
419	# to binexp/perl if binexp and installbin are different.
420	$mainperl_is_instperl =
421	    samepath($usrbinperl, $instperl) ||
422	    samepath($usrbinperl, $expinstperl) ||
423	     (($binexp ne $installbin) &&
424	      (-l $usrbinperl) &&
425	      ((readlink $usrbinperl) eq $expinstperl));
426    }
427    if (! $mainperl_is_instperl) {
428	unlink($usrbinperl);
429	( $Config{'d_link'} eq 'define' &&
430	  eval { CORE::link $instperl, $usrbinperl } )	||
431	eval { symlink $expinstperl, $usrbinperl }	||
432	copy($instperl, $usrbinperl);
433        `chtag -r "$usrbinperl"` if ($^O eq 'os390');
434
435	$mainperl_is_instperl = 1;
436    }
437}
438
439# cppstdin is just a script, but it is architecture-dependent, so
440# it can't safely be shared.  Place it in $installbin.
441# Note that Configure doesn't build cppstin if it isn't needed, so
442# we skip this if cppstdin doesn't exist.
443if (! $versiononly && (-f 'cppstdin') && (! samepath($installbin, '.'))) {
444    safe_unlink("$installbin/cppstdin");
445    copy("cppstdin", "$installbin/cppstdin");
446    chmod(0755, "$installbin/cppstdin");
447}
448
449sub script_alias {
450    my ($installscript, $orig, $alias, $scr_ext) = @_;
451
452    safe_unlink("$installscript/$alias$scr_ext");
453    if ($Is_VMS or $^O eq 'transit') {
454	copy("$installscript/$orig$scr_ext",
455	     "$installscript/$alias$scr_ext");
456    } elsif ($^O eq 'vos') {
457	symlink("$installscript/$orig$scr_ext",
458		"$installscript/$alias$scr_ext");
459    } else {
460	link("$installscript/$orig$scr_ext",
461	     "$installscript/$alias$scr_ext");
462    }
463}
464
465# Install scripts.
466mkpath($installscript);
467if ($versiononly) {
468    for (@scripts) {
469	(my $base = $_) =~ s#.*/##;
470	$base .= $ver;
471	copy($_,    "$installscript/$base");
472	chmod(0755, "$installscript/$base");
473    }
474
475    for (@tolink) {
476	my ($from, $to) = map { "$_$ver" } @$_;
477	(my $frbase = $from) =~ s#.*/##;
478	(my $tobase = $to) =~ s#.*/##;
479	script_alias($installscript, $frbase, $tobase, $scr_ext);
480    }
481} else {
482    for (@scripts) {
483	(my $base = $_) =~ s#.*/##;
484	copy($_, "$installscript/$base");
485	chmod(0755, "$installscript/$base");
486	if ($Is_AmigaOS) {
487            my $amigapath = unixtoamiga("$installscript/$base");
488            amigaprotect($amigapath,"+s");
489        }
490    }
491
492    for (@tolink) {
493	my ($from, $to) = @$_;
494	(my $frbase = $from) =~ s#.*/##;
495	(my $tobase = $to) =~ s#.*/##;
496	script_alias($installscript, $frbase, $tobase, $scr_ext);
497    }
498}
499
500# Install pod pages.  Where? I guess in $installprivlib/pod
501# ($installprivlib/pods for cygwin).
502if (!$opts{nopods} && (!$versiononly || ($installprivlib =~ m/\Q$vershort/))) {
503    my $pod = ($Is_Cygwin || $Is_Darwin || $Is_VMS || $Is_W32) ? 'pods' : 'pod';
504    mkpath("${installprivlib}/$pod");
505
506    for (map {$_->[1]} @{get_pod_metadata()->{master}}) {
507	# $_ is a name like  pod/perl.pod
508	(my $base = $_) =~ s#.*/##;
509	copy_if_diff($_, "${installprivlib}/$pod/${base}");
510	chmod(0644, "${installprivlib}/$pod/${base}");
511    }
512
513}
514
515
516$packlist->write() unless $opts{notify};
517if (defined($opts{uid}) || defined($opts{gid})) {
518    chown($opts{uid}, $opts{gid}, $packlist->packlist_file());
519}
520print "  Installation complete\n" if $opts{verbose};
521
522exit 0;
523
524###############################################################################
525
526# If these are needed elsewhere, move them into install_lib.pl rather than
527# copying them.
528
529sub yn {
530    my($prompt) = @_;
531    my($answer);
532    my($default) = $prompt =~ m/\[([yn])\]\s*$/i;
533    print STDERR $prompt;
534    chop($answer = <STDIN>);
535    $answer = $default if $answer =~ m/^\s*$/;
536    ($answer =~ m/^[yY]/);
537}
538
539sub safe_unlink {
540    return if $opts{notify} or $Is_VMS;
541    my @names = @_;
542    foreach my $name (@names) {
543	next unless -e $name;
544	chmod 0777, $name if ($Is_OS2 || $Is_W32);
545	print "  unlink $name\n" if $opts{verbose};
546	next if CORE::unlink($name);
547	warn "Couldn't unlink $name: $!\n";
548	if ($! =~ /busy/i) {
549	    print "  mv $name $name.old\n" if $opts{verbose};
550	    safe_rename($name, "$name.old")
551		or warn "Couldn't rename $name: $!\n";
552	}
553    }
554}
555
556sub copy {
557    my($from,$to) = @_;
558    my($success) = 0;
559
560    my $xto = $to;
561    $xto =~ s/^\Q$opts{destdir}\E//;
562    print $opts{verbose} ? "  cp $from $xto\n" : "  $xto\n"
563	unless $opts{silent};
564    print "  creating new version of $xto\n"
565	if $Is_VMS and -e $to and !$opts{silent};
566    unless ($opts{notify} or File::Copy::copy($from, $to) and ++$success) {
567	# Might have been that F::C::c can't overwrite the target
568	warn "Couldn't copy $from to $to: $!\n"
569	    unless -f $to and (chmod(0666, $to), unlink $to)
570		   and File::Copy::copy($from, $to) and ++$success;
571    }
572    if (defined($opts{uid}) || defined($opts{gid})) {
573	chown($opts{uid}, $opts{gid}, $to) if $success;
574    }
575    $packlist->{$xto} = { type => 'file' };
576}
577
578sub install {
579    my($from,$to,$mode) = @_;
580
581    my $xto = $to;
582    my $cmd = join(' ', @installcmd);
583    $cmd .= " -m $mode" if $mode;
584    $cmd .= " -s" if $opts{strip};
585    $cmd .= " -o $opts{uid}" if defined($opts{uid});
586    $cmd .= " -g $opts{gid}" if defined($opts{gid});
587    $cmd .= " $from $to";
588    $xto =~ s/^\Q$opts{destdir}\E// if $opts{destdir};
589    print $opts{verbose} ? "  install $from $xto\n" : "  $xto\n" unless $opts{silent};
590    system($cmd);
591    warn "Couldn't $cmd\n" if $?;
592    $packlist->{$xto} = { type => 'file' };
593}
594
595sub installlib {
596    my $dir = $File::Find::dir;
597    $dir =~ s!\Alib/?!!;
598
599    m!([^/]+)\z!;
600    my $name = $1;
601
602    # This remains ugly, and in need of refactoring.
603
604    # $name always starts as the leafname
605    # $dir is the directory *within* lib
606    # $name later has $dir pre-pended, to give the relative path in lib/
607    # which is used to create the path in the target directory.
608
609    # $_ was always the filename to use on disk. Adding no_chdir doesn't change
610    # this, as $_ becomes a pathname, and so still works. However, it's not
611    # obvious that $_ is needed later, and hence $_ must not be modified.
612
613    # Also, many of the regex exclusion tests below are now superfluous, as the
614    # files in question are either no longer in blead, or now in ext/, dist/ or
615    # cpan/ and not copied into lib/
616
617    # Ignore version control directories.
618    if ($name =~ /^(?:CVS|RCS|SCCS|\.svn)\z/ and -d $name) {
619	$File::Find::prune = 1;
620	return;
621    }
622
623    # If we have different install version, install that instead
624    return if -e "$_.install";
625    $name =~ s/\.install$//;
626
627    # ignore patch backups, RCS files, emacs backup & temp files and the
628    # .exists files, .PL files, and test files.
629    return if $name =~ m{\.orig$|\.rej$|~$|^#.+#$|,v$|^\.exists|\.PL$|\.plc$|\.t$|^test\.pl$|^dbm_filter_util\.pl$|^filter-util\.pl$|^uupacktool\.pl$|^\.gitignore$} ||
630	      $dir  =~ m{/t(?:/|$)};
631    # ignore the cpan script in lib/CPAN/bin, the instmodsh and xsubpp
632    # scripts in lib/ExtUtils, the prove script in lib/Test/Harness,
633    # the corelist script from lib/Module/CoreList/bin and ptar* in
634    # lib/Archive/Tar/bin and zipdetails in cpan/IO-Compress/bin
635    # (they're installed later with other utils)
636    return if $name =~ /^(?:cpan|instmodsh|prove|corelist|ptar|ptardiff|ptargrep|zipdetails)\z/;
637    # ignore the Makefiles
638    return if $name =~ /^makefile$/i;
639    # ignore the test extensions, dont install PPPort.so/.dll
640    return if $dir =~ m{\b(?:XS/(?:APItest|Typemap)|Devel/PPPort)\b};
641    return if $name =~ m{\b(?:APItest|Typemap)\.pm$};
642    # ignore the build support code
643    return if $name =~ /\bbuildcustomize\.pl$/;
644    # ignore the demo files
645    return if $dir =~ /\b(?:demos?|eg)\b/;
646    # ignore unneeded unicore files
647    if ( $dir =~ /^unicore/ ) {
648      if ( $name =~ /\.txt\z/ ) {
649        # We can ignore most, but not all .txt files
650        return unless $name =~ /\A(?:Blocks|SpecialCasing|NamedSequences)\.txt\z/;
651      }
652      else {
653        # TestProp only needed during testing
654        return if $name =~ /\ATestProp.pl\z/;
655        # we need version and *.pl files and can skip the rest
656        return unless $name =~ /\A(?:version|\w+\.p[lm])\z/;
657      }
658    }
659
660    # ignore READMEs, MANIFESTs, INSTALL docs, META.ymls and change logs.
661    # Changes.e2x and README.e2x are needed by enc2xs.
662    return if $name =~ m{^(?:README(?:\.\w+)?)$} && $name ne 'README.e2x';
663    return if $name =~ m{^(?:MANIFEST|META\.yml)$};
664    return if $name =~ m{^(?:INSTALL|TODO|BUGS|CREDITS)$}i;
665    return if $name =~ m{^change(?:s|log)(?:\.libnet)?$}i;
666    return if $name =~ m{^(?:SIGNATURE|PAUSE200\d\.pub)$}; # CPAN files
667    return if $name =~ m{^(?:NOTES|PATCHING)$}; # ExtUtils files
668
669    # if using a shared perl library then ignore:
670    # - static library files [of statically linked extensions];
671    # - import library files and export library files (only present on Win32
672    #   anyway?) and empty bootstrap files [of dynamically linked extensions].
673    return if $Config{useshrplib} eq 'true' and
674             ($name =~ /$Config{_a}$/ or $name =~ /\.exp$/ or ($name =~ /\.bs$/ and -z $name));
675
676    $name = "$dir/$name" if $dir ne '';
677
678    # ignore pods that are stand alone documentation from dual life modules.
679    return if /\.pod\z/ && is_duplicate_pod($_);
680
681    return if $name eq 'ExtUtils/XSSymSet.pm' and !$Is_VMS;
682
683    #blead comes with version, blead isn't 5.8/5.6
684    return if $name eq 'ExtUtils/MakeMaker/version/regex.pm';
685
686    my $installlib = $installprivlib;
687    if ($dir =~ /^auto\// ||
688	  ($name =~ /^(.*)\.(?:pm|pod)$/ && $archpms{$1}) ||
689	  ($name =~ /^(.*)\.(?:h|lib)$/i && $Is_W32) ||
690	  $name=~/^Config_(heavy|git)\.pl\z/
691       ) {
692	$installlib = $installarchlib;
693	return unless $do_installarchlib;
694    } else {
695	return unless $do_installprivlib;
696    }
697
698    if (-f $_) {
699	my $xname = "$installlib/$name";
700	$xname =~ s/^\Q$opts{destdir}\E//;
701	$packlist->{$xname} = { type => 'file' };
702        if ($opts{force} || compare($_, "$installlib/$name") || $opts{notify}) {
703	    unlink("$installlib/$name");
704	    mkpath("$installlib/$dir");
705	    # HP-UX (at least) needs to maintain execute permissions
706	    # on dynamically-loaded libraries.
707            if (copy_if_diff($_, "$installlib/$name")) {
708                strip("-S", "$installlib/$name")
709                    if $^O eq 'darwin' and /\.(?:so|$dlext|a)$/;
710                chmod(/\.(so|$dlext)$/ ? $SO_MODE : $NON_SO_MODE,
711                      "$installlib/$name");
712            }
713	}
714    }
715}
716
717# Copy $from to $to, only if $from is different than $to.
718# Also preserve modification times for .a libraries.
719# On some systems, if you do
720#   ranlib libperl.a
721#   cp libperl.a /usr/local/lib/perl5/archlib/CORE/libperl.a
722# and then try to link against the installed libperl.a, you might
723# get an error message to the effect that the symbol table is older
724# than the library.
725# Return true if copying occurred.
726
727sub copy_if_diff {
728    my($from,$to)=@_;
729    return 1 if (($^O eq 'VMS') && (-d $from));
730    my $xto = $to;
731    $xto =~ s/^\Q$opts{destdir}\E//;
732    my $perlpodbadsymlink;
733    if ($from =~ m!^pod/perl[\w-]+\.pod$! &&
734	-l $from &&
735	! -e $from) {
736	# Some Linux implementations have problems traversing over
737	# multiple symlinks (when going over NFS?) and fail to read
738	# the symlink target.  Combine this with the fact that some
739	# of the pod files (the perl$OS.pod) are symlinks (to ../README.$OS),
740	# and you end up with those pods not getting installed.
741	$perlpodbadsymlink = 1;
742    }
743    -f $from || $perlpodbadsymlink || warn "$0: $from not found";
744    $packlist->{$xto} = { type => 'file' };
745    if ($opts{force} || compare($from, $to) || $opts{notify}) {
746	safe_unlink($to);   # In case we don't have write permissions.
747	if ($perlpodbadsymlink && $from =~ m!^pod/perl(.+)\.pod$!) {
748	    $from = "README.$1";
749	}
750	copy($from, $to);
751	# Restore timestamps if it's a .a library or for OS/2.
752	if (!$opts{notify} && ($Is_OS2 || $to =~ /\.a$/)) {
753	    my ($atime, $mtime) = (stat $from)[8,9];
754	    utime $atime, $mtime, $to;
755	}
756        `chtag -r "$to"` if ($^O eq "os390");
757	1;
758    }
759}
760
761sub strip
762{
763    my(@args) = @_;
764
765    return unless $opts{strip};
766
767    my @opts;
768    while (@args && $args[0] =~ /^(-\w+)$/) {
769	push @opts, shift @args;
770    }
771
772    foreach my $file (@args) {
773	if (-f $file) {
774	    if ($opts{verbose}) {
775		print "  strip " . join(' ', @opts);
776		print " " if (@opts);
777		print "$file\n";
778	    }
779	    system("strip", @opts, $file);
780	} else {
781	    print "# file '$file' skipped\n" if $opts{verbose};
782	}
783    }
784}
785
786sub fix_dep_names {
787    my $file = shift;
788
789    $^O eq "darwin" && $Config{osvers} =~ /^(1[5-9]|[2-9])/
790      && $Config{useshrplib}
791      or return;
792
793    my @opts;
794    my $so = $Config{so};
795    my $libperl = "$Config{archlibexp}/CORE/libperl.$Config{so}";
796    if ($file =~ /\blibperl.\Q$Config{so}\E$/a) {
797        push @opts, -id => $libperl;
798    }
799    else {
800        push @opts, -change => getcwd . "/libperl.$so", $libperl;
801    }
802    push @opts, $file;
803
804    $opts{verbose} and print "  install_name_tool @opts\n";
805    system "install_name_tool", @opts
806      and die "Cannot update $file dependency paths\n";
807}
808
809# ex: set ts=8 sts=4 sw=4 et:
810