xref: /openbsd-src/gnu/usr.bin/perl/installperl (revision a28daedfc357b214be5c701aa8ba8adb29a7f1c2)
1#!./perl
2
3BEGIN {
4    require 5.004;
5    chdir '..' if !-d 'lib' and -d '../lib';
6    @INC = 'lib';
7    $ENV{PERL5LIB} = 'lib';
8}
9
10BEGIN {
11    use Config;
12    if ($Config{userelocatableinc}) {
13	# This might be a considered a hack. Need to get information about the
14	# configuration from Config.pm *before* Config.pm expands any .../
15	# prefixes.
16	#
17	# So we set $^X to pretend that we're the already installed perl, so
18	# Config.pm doesits ... expansion off that location.
19
20	my $location = $Config{initialinstalllocation};
21	die <<'OS' unless defined $location;
22$Config{initialinstalllocation} is not defined - can't install a relocatable
23perl without this.
24OS
25	$^X = "$location/perl";
26	# And then remove all trace of ever having loaded Config.pm, so that
27	# it will reload with the revised $^X
28	undef %Config::;
29	delete $INC{"Config.pm"};
30	delete $INC{"Config_heavy.pl"};
31	# You never saw us. We weren't here.
32    }
33}
34
35use strict;
36my ($Is_VMS, $Is_W32, $Is_OS2, $Is_Cygwin, $Is_Darwin,
37    $nonono, $dostrip, $versiononly, $silent, $verbose, $force,
38    $otherperls, $archname, $Is_NetWare, $nwinstall, $nopods);
39use vars qw /$depth/;
40
41BEGIN {
42    $Is_VMS = $^O eq 'VMS';
43    $Is_W32 = $^O eq 'MSWin32';
44    $Is_OS2 = $^O eq 'os2';
45    $Is_Cygwin = $^O eq 'cygwin';
46    $Is_Darwin = $^O eq 'darwin';
47    if ($Is_VMS) { eval 'use VMS::Filespec;' }
48}
49
50my $scr_ext = ($Is_VMS ? '.Com' : $Is_W32 ? '.bat' : '');
51
52use File::Find;
53use File::Compare;
54use File::Copy ();
55use File::Path ();
56use ExtUtils::Packlist;
57use Config;
58use subs qw(unlink link chmod);
59
60if ($Config{d_umask}) {
61    umask(022); # umasks like 077 aren't that useful for installations
62}
63
64$Is_NetWare = $Config{osname} eq 'NetWare';
65if ($Is_NetWare) {
66    $Is_W32 = 0;
67    $scr_ext = '.pl';
68}
69
70# override the ones in the rest of the script
71sub mkpath {
72    File::Path::mkpath(@_) unless $nonono;
73}
74
75my $mainperldir = "/usr/bin";
76my $exe_ext = $Config{exe_ext};
77
78# Allow ``make install PERLNAME=something_besides_perl'':
79my $perl = defined($ENV{PERLNAME}) ? $ENV{PERLNAME} : 'perl';
80
81# This is the base used for versioned names, like "perl5.6.0".
82# It's separate because a common use of $PERLNAME is to install
83# perl as "perl5", if that's used as base for versioned files you
84# get "perl55.6.0".
85my $perl_verbase = defined($ENV{PERLNAME_VERBASE})
86		    ? $ENV{PERLNAME_VERBASE}
87		    : $perl;
88my $dbg = '';
89my $ndbg = '';
90if ( $Is_VMS ) {
91    if ( defined $Config{usevmsdebug} ) {
92        if ( $Config{usevmsdebug} eq 'define' ) {
93            $dbg = 'dbg';
94            $ndbg = 'ndbg';
95        }
96    }
97}
98
99$otherperls = 1;
100my $destdir = '';
101while (@ARGV) {
102    $nonono = 1 if $ARGV[0] eq '-n';
103    $dostrip = 1 if $ARGV[0] eq '-s';
104    $versiononly = 1 if $ARGV[0] eq '-v';
105    $versiononly = 0 if $ARGV[0] eq '+v';
106    $silent = 1 if $ARGV[0] eq '-S';
107    $otherperls = 0 if $ARGV[0] eq '-o';
108    $force = 1 if $ARGV[0] eq '-f';
109    $verbose = 1 if $ARGV[0] eq '-V' || $ARGV [0] eq '-n';
110    $archname = 1 if $ARGV[0] eq '-A';
111    $nwinstall = 1 if $ARGV[0] eq '-netware';
112    $nopods = 1 if $ARGV[0] eq '-p';
113    $destdir = $1 if $ARGV[0] =~ /^-?-destdir=(.*)$/;
114    if ($ARGV[0] eq '-?' or $ARGV[0] =~ /^-?-h/) {
115	print <<"EOT";
116Usage $0: [switches]
117  -n	    Don't actually run any commands; just print them.
118  -s        Run strip on installed binaries.
119  -v        Only install perl as a binary with the version number in the name.
120            (Override whatever config.sh says)
121  +v        Install perl as "perl" and as a binary with the version number in
122            the name.  (Override whatever config.sh says)
123  -S        Silent mode.
124  -f        Force installation (don't check if same version is there)
125  -o        Skip checking for other copies of perl in your PATH.
126  -V        Verbose mode.
127  -A        Also install perl with the architecture's name in the perl binary's
128            name.
129  -p        Don't install the pod files. [This will break use diagnostics;]
130  -netware  Install correctly on a Netware server.
131  -destdir  Prefix installation directories by this string.
132EOT
133	exit;
134    }
135    shift;
136}
137
138$versiononly = 1 if $Config{versiononly} && !defined $versiononly;
139my (@scripts, @tolink);
140open SCRIPTS, "utils.lst" or die "Can't open utils.lst: $!";
141while (<SCRIPTS>) {
142    next if /^#/;
143    s/\s*#\s*pod\s*=.*//; # install script regardless of pod location
144    next if /a2p/; # a2p is binary, to be installed separately
145    chomp;
146    if (/(\S*)\s*#\s*link\s*=\s*(\S*)/) {
147	push @scripts, $1;
148	push @tolink, [$1, $2];
149    } else {
150	push @scripts, $_;
151    }
152}
153close SCRIPTS;
154
155if ($scr_ext) { @scripts = map { "$_$scr_ext" } @scripts; }
156
157my @pods = $nopods ? () : (<pod/*.pod>, 'x2p/a2p.pod');
158
159# Specify here any .pm files that are actually architecture-dependent.
160# (Those included with XS extensions under ext/ are automatically
161# added later.)
162# Now that the default privlib has the full perl version number included,
163# we no longer have to play the trick of sticking version-specific .pm
164# files under the archlib directory.
165my %archpms = (
166    Config => 1,
167    lib => 1,
168    Cwd => 1,
169);
170
171if ($^O eq 'dos') {
172    push(@scripts,'djgpp/fixpmain');
173    $archpms{config} = $archpms{filehand} = 1;
174}
175
176if ((-e "testcompile") && (defined($ENV{'COMPILE'}))) {
177    push(@scripts, map("$_.exe", @scripts));
178}
179
180find(sub {
181    if ("$File::Find::dir/$_" =~ m{^ext\b(.*)/([^/]+)\.pm$}) {
182	my($path, $modname) = ($1,$2);
183
184	# strip to optional "/lib", or remove trailing component
185	$path =~ s{.*/lib\b}{} or $path =~ s{/[^/]*$}{};
186
187	# strip any leading /
188	$path =~ s{^/}{};
189
190	# reconstitute canonical module name
191	$modname = "$path/$modname" if length $path;
192
193	# remember it
194	$archpms{$modname} = 1;
195    }
196}, 'ext');
197
198# print "[$_]\n" for sort keys %archpms;
199
200my $ver = $Config{version};
201my $release = substr($],0,3);   # Not used currently.
202my $patchlevel = substr($],3,2);
203die "Patchlevel of perl ($patchlevel)",
204    "and patchlevel of config.sh ($Config{'PERL_VERSION'}) don't match\n"
205	if $patchlevel != $Config{'PERL_VERSION'};
206
207# Fetch some frequently-used items from %Config
208my $installbin = "$destdir$Config{installbin}";
209my $installscript = "$destdir$Config{installscript}";
210my $installprivlib = "$destdir$Config{installprivlib}";
211my $installarchlib = "$destdir$Config{installarchlib}";
212my $installsitelib = "$destdir$Config{installsitelib}";
213my $installsitearch = "$destdir$Config{installsitearch}";
214my $installman1dir = "none";
215my $man1ext = $Config{man1ext};
216my $libperl = $Config{libperl};
217# Shared library and dynamic loading suffixes.
218my $so = $Config{so};
219my $dlext = $Config{dlext};
220my $dlsrc = $Config{dlsrc};
221if ($^O eq 'os390') {
222    my $pwd;
223    chomp($pwd=`pwd`);
224    my $archlibexp = $Config{archlibexp};
225    my $usedl = $Config{usedl};
226    if ($usedl eq 'define') {
227	`./$^X -pibak -e 's{$pwd\/libperl.x}{$archlibexp/CORE/libperl.x}' lib/Config.pm`;
228    }
229}
230
231if ($nwinstall) {
232    # This is required only if we are installing on a NetWare server
233    $installscript = $Config{installnwscripts};
234    $installprivlib = $Config{installnwlib};
235    $installarchlib = $Config{installnwlib};
236    $installsitelib = $Config{installnwlib};
237}
238
239my $d_dosuid = $Config{d_dosuid};
240my $binexp = $Config{binexp};
241
242if ($Is_VMS) {  # Hang in there until File::Spec hits the big time
243    foreach ( \$installbin,     \$installscript,  \$installprivlib,
244	      \$installarchlib, \$installsitelib, \$installsitearch,
245	      \$installman1dir ) {
246	$$_ = unixify($$_);  $$_ =~ s:/$::;
247    }
248}
249
250# Do some quick sanity checks.
251
252if (!$nonono && $d_dosuid && $>) { die "You must run as root to install suidperl\n"; }
253
254   $installbin		|| die "No installbin directory in config.sh\n";
255-d $installbin		|| mkpath($installbin, $verbose, 0777);
256-d $installbin		|| $nonono || die "$installbin is not a directory\n";
257-w $installbin		|| $nonono || die "$installbin is not writable by you\n"
258	unless $installbin =~ m#^/afs/# || $nonono;
259
260if (!$Is_NetWare) {
261if (!$Is_VMS) {
262-x 'perl' . $exe_ext	|| die "perl isn't executable!\n";
263}
264else {
265-x $ndbg . 'perl' . $exe_ext	|| die "${ndbg}perl$exe_ext isn't executable!\n";
266    if ($dbg) {
267        -x $dbg . 'perl' . $exe_ext	|| die "${dbg}perl$exe_ext isn't executable!\n";
268    }
269}
270-x 'suidperl' . $exe_ext|| die "suidperl isn't executable!\n" if $d_dosuid;
271
272#-f 't/rantests'		|| $Is_W32
273#			|| warn "WARNING: You've never run 'make test' or",
274#				" some tests failed! (Installing anyway.)\n";
275} #if (!$Is_NetWare)
276
277# This will be used to store the packlist
278my $packlist = ExtUtils::Packlist->new("$installarchlib/.packlist");
279
280if (($Is_W32 and ! $Is_NetWare) or $Is_Cygwin) {
281    my $perldll;
282
283    if ($Is_Cygwin) {
284	$perldll = $libperl;
285	my $v_e_r_s = $ver; $v_e_r_s =~ tr/./_/;
286	$perldll =~ s/(\..*)?$/$v_e_r_s.$dlext/;
287	$perldll =~ s/^lib/cyg/;
288    } else {
289	$perldll = 'perl510.' . $dlext;
290    }
291
292    if ($dlsrc ne "dl_none.xs") {
293	-f $perldll || die "No perl DLL built\n";
294    }
295
296    # Install the DLL
297    safe_unlink("$installbin/$perldll");
298    copy("$perldll", "$installbin/$perldll");
299    chmod(0755, "$installbin/$perldll");
300    $packlist->{"$installbin/$perldll"} = { type => 'file' };
301} # if (($Is_W32 and ! $Is_NetWare) or $Is_Cygwin)
302
303# Get the install command and flags from the environment
304my @installcmd = $ENV{"INSTALL"} || "install";
305push(@installcmd, $ENV{"INSTALL_COPY"} || "-c");
306
307# First we install the version-numbered executables.
308
309if ($Is_VMS) {
310    safe_unlink("$installbin/perl_setup.com");
311    copy("perl_setup.com", "$installbin/perl_setup.com");
312    chmod(0755, "$installbin/perl_setup.com");
313    safe_unlink("$installbin/$dbg$perl$exe_ext");
314    copy("$dbg$perl$exe_ext", "$installbin/$dbg$perl$exe_ext");
315    chmod(0755, "$installbin/$dbg$perl$exe_ext");
316    safe_unlink("$installbin/$dbg${perl}shr$exe_ext");
317    copy("$dbg${perl}shr$exe_ext", "$installbin/$dbg${perl}shr$exe_ext");
318    chmod(0755, "$installbin/$dbg${perl}shr$exe_ext");
319    if ($ndbg) {
320        safe_unlink("$installbin/$ndbg$perl$exe_ext");
321        copy("$ndbg$perl$exe_ext", "$installbin/$ndbg$perl$exe_ext");
322        chmod(0755, "$installbin/$ndbg$perl$exe_ext");
323	safe_unlink("$installbin/${dbg}a2p$exe_ext");
324	copy("x2p/${dbg}a2p$exe_ext", "$installbin/${dbg}a2p$exe_ext");
325	chmod(0755, "$installbin/${dbg}a2p$exe_ext");
326    }
327}
328elsif ($^O eq 'mpeix') {
329    # MPE lacks hard links and requires that executables with special
330    # capabilities reside in the MPE namespace.
331    safe_unlink("$installbin/perl$ver$exe_ext", $Config{perlpath});
332    # Install the primary executable into the MPE namespace as perlpath.
333    copy("perl$exe_ext", $Config{perlpath});
334    chmod(0755, $Config{perlpath});
335    # Create a backup copy with the version number.
336    link($Config{perlpath}, "$installbin/perl$ver$exe_ext");
337}
338elsif ($^O ne 'dos') {
339    if (!$Is_NetWare) {
340	install("perl$exe_ext", "$installbin/$perl_verbase$ver$exe_ext",
341	    "0755", $dostrip);
342    }
343    else {
344	# If installing onto a NetWare server
345	if ($nwinstall) {
346	    # Copy perl.nlm, echo.nlm, type.nlm, a2p.nlm & cgi2perl.nlm
347	    mkpath($Config{installnwsystem}, 1, 0777);
348	    copy("netware\\".$ENV{'MAKE_TYPE'}."\\perl.nlm", $Config{installnwsystem});
349	    copy("netware\\testnlm\\echo\\echo.nlm", $Config{installnwsystem});
350	    copy("netware\\testnlm\\type\\type.nlm", $Config{installnwsystem});
351	    copy("x2p\\a2p.nlm", $Config{installnwsystem});
352	    chmod(0755, "$Config{installnwsystem}\\perl.nlm");
353	    mkpath($Config{installnwlcgi}, 1, 0777);
354	    copy("lib\\auto\\cgi2perl\\cgi2perl.nlm", $Config{installnwlcgi});
355	}
356    } #if (!$Is_NetWare)
357}
358else {
359    safe_unlink("$installbin/$perl.exe");
360    copy("perl.exe", "$installbin/$perl.exe");
361}
362
363safe_unlink("$installbin/s$perl_verbase$ver$exe_ext");
364if ($d_dosuid) {
365    install("perl$exe_ext", "$installbin/s$perl_verbase$ver$exe_ext",
366	"04711", $dostrip);
367}
368
369# Install library files.
370
371my ($do_installarchlib, $do_installprivlib) = (0, 0);
372
373mkpath($installprivlib, $verbose, 0777);
374mkpath($installarchlib, $verbose, 0777);
375mkpath($installsitelib, $verbose, 0777) if ($installsitelib);
376mkpath($installsitearch, $verbose, 0777) if ($installsitearch);
377
378if (chdir "lib") {
379    $do_installarchlib = ! samepath($installarchlib, '.');
380    $do_installprivlib = ! samepath($installprivlib, '.');
381    $do_installprivlib = 0 if $versiononly && !($installprivlib =~ m/\Q$ver/);
382
383    if ($do_installarchlib || $do_installprivlib) {
384	find(\&installlib, '.');
385    }
386    chdir ".." || die "Can't cd back to source directory: $!\n";
387}
388else {
389    warn "Can't cd to lib to install lib files: $!\n";
390}
391
392# Install header files and libraries.
393mkpath("$installarchlib/CORE", $verbose, 0777);
394my @corefiles;
395if ($Is_VMS) {  # We did core file selection during build
396    my $coredir = "lib/$Config{archname}/$ver/CORE";
397    $coredir =~ tr/./_/;
398    map { s|^$coredir/||i; } @corefiles = <$coredir/*.*>;
399}
400else {
401    # [als] hard-coded 'libperl' name... not good!
402    #@corefiles = <*.h libperl*.* perl*$Config{lib_ext}>;
403    @corefiles = <*.h *.inc perl*$Config{lib_ext}>;
404    push(@corefiles,<libperl*.*>) unless defined($ENV{"NOLIBINSTALL"});
405
406    # AIX needs perl.exp installed as well.
407    push(@corefiles,'perl.exp') if $^O eq 'aix';
408    if ($^O eq 'mpeix') {
409	# MPE needs mpeixish.h installed as well.
410	mkpath("$installarchlib/CORE/mpeix", $verbose, 0777);
411	push(@corefiles,'mpeix/mpeixish.h');
412    }
413    # If they have built sperl.o...
414    push(@corefiles,'sperl.o') if -f 'sperl.o';
415}
416foreach my $file (@corefiles) {
417    # HP-UX (at least) needs to maintain execute permissions
418    # on dynamically-loadable libraries. So we do it for all.
419    if (copy_if_diff($file,"$installarchlib/CORE/$file")) {
420	if ($file =~ /\.(\Q$so\E|\Q$dlext\E)$/) {
421	    strip("-S", "$installarchlib/CORE/$file") if $^O =~ /^(rhapsody|darwin)$/;
422	    chmod(0555, "$installarchlib/CORE/$file");
423	} else {
424	    chmod(0444, "$installarchlib/CORE/$file");
425	}
426    }
427}
428
429# Install main perl executables
430# Make links to ordinary names if installbin directory isn't current directory.
431
432if (! $versiononly && ! samepath($installbin, '.') && ($^O ne 'dos') && ! $Is_VMS && ! $Is_NetWare) {
433    safe_unlink("$installbin/$perl$exe_ext", "$installbin/suid$perl$exe_ext");
434    if ($^O eq 'mpeix') {
435	# MPE doesn't support hard links, so use a symlink.
436	# We don't want another cloned copy.
437	symlink($Config{perlpath}, "$installbin/perl$exe_ext");
438    } elsif ($^O eq 'vos') {
439	# VOS doesn't support hard links, so use a symlink.
440	symlink("$installbin/$perl_verbase$ver$exe_ext",
441		"$installbin/$perl$exe_ext");
442    } else {
443	link("$installbin/$perl_verbase$ver$exe_ext",
444		"$installbin/$perl$exe_ext");
445    }
446    link("$installbin/$perl_verbase$ver$exe_ext",
447	    "$installbin/suid$perl$exe_ext")
448      if $d_dosuid;
449}
450
451# For development purposes it can be very useful to have multiple perls
452# build for different "architectures" (eg threading or not) simultaneously.
453if ($archname && ! samepath($installbin, '.') && ($^O ne 'dos') && ! $Is_VMS) {
454    my $archperl = "$perl_verbase$ver-$Config{archname}$exe_ext";
455    safe_unlink("$installbin/$archperl");
456    if ($^O eq 'mpeix') {
457	# MPE doesn't support hard links, so use a symlink.
458	# We don't want another cloned copy.
459	symlink($Config{perlpath}, "$installbin/$archperl");
460    } elsif ($^O eq 'vos') {
461	# VOS doesn't support hard links, so use a symlink.
462	symlink("$installbin/$perl_verbase$ver$exe_ext",
463		"$installbin/$archperl");
464    } else {
465	link("$installbin/$perl_verbase$ver$exe_ext", "$installbin/$archperl");
466    }
467}
468
469# Offer to install perl in a "standard" location
470
471my $mainperl_is_instperl = 0;
472
473if ($Config{installusrbinperl} && $Config{installusrbinperl} eq 'define' &&
474    !$versiononly && !$nonono && !$Is_W32 && !$Is_NetWare && !$Is_VMS && -t STDIN && -t STDERR
475	&& -w $mainperldir && ! samepath($mainperldir, $installbin)) {
476    my($usrbinperl)	= "$mainperldir/$perl$exe_ext";
477    my($instperl)	= "$installbin/$perl$exe_ext";
478    my($expinstperl)	= "$binexp/$perl$exe_ext";
479
480    # First make sure $usrbinperl is not already the same as the perl we
481    # just installed.
482    if (-x $usrbinperl) {
483	# Try to be clever about mainperl being a symbolic link
484	# to binexp/perl if binexp and installbin are different.
485	$mainperl_is_instperl =
486	    samepath($usrbinperl, $instperl) ||
487	    samepath($usrbinperl, $expinstperl) ||
488	     (($binexp ne $installbin) &&
489	      (-l $usrbinperl) &&
490	      ((readlink $usrbinperl) eq $expinstperl));
491    }
492    if (! $mainperl_is_instperl) {
493	unlink($usrbinperl);
494	( $Config{'d_link'} eq 'define' &&
495	  eval { CORE::link $instperl, $usrbinperl } )	||
496	eval { symlink $expinstperl, $usrbinperl }	||
497	copy($instperl, $usrbinperl);
498
499	$mainperl_is_instperl = 1;
500    }
501}
502
503# Make links to ordinary names if installbin directory isn't current directory.
504if (!$Is_NetWare && $dbg eq '') {
505    if (! samepath($installbin, 'x2p')) {
506	my $base = 'a2p';
507	$base .= $ver if $versiononly;
508	safe_unlink("$installbin/$base$exe_ext");
509	copy("x2p/a2p$exe_ext", "$installbin/$base$exe_ext");
510	strip("$installbin/$base$exe_ext");
511	chmod(0755, "$installbin/$base$exe_ext");
512    }
513}
514
515# cppstdin is just a script, but it is architecture-dependent, so
516# it can't safely be shared.  Place it in $installbin.
517# Note that Configure doesn't build cppstin if it isn't needed, so
518# we skip this if cppstdin doesn't exist.
519if (! $versiononly && (-f 'cppstdin') && (! samepath($installbin, '.'))) {
520    safe_unlink("$installbin/cppstdin");
521    copy("cppstdin", "$installbin/cppstdin");
522    chmod(0755, "$installbin/cppstdin");
523}
524
525sub script_alias {
526    my ($installscript, $orig, $alias, $scr_ext) = @_;
527
528    safe_unlink("$installscript/$alias$scr_ext");
529    if ($^O eq 'dos' or $Is_VMS or $^O eq 'transit') {
530	copy("$installscript/$orig$scr_ext",
531	     "$installscript/$alias$scr_ext");
532    } elsif ($^O eq 'vos') {
533	symlink("$installscript/$orig$scr_ext",
534		"$installscript/$alias$scr_ext");
535    } else {
536	link("$installscript/$orig$scr_ext",
537	     "$installscript/$alias$scr_ext");
538    }
539}
540
541# Install scripts.
542mkpath($installscript, $verbose, 0777);
543if ($versiononly) {
544    for (@scripts) {
545	(my $base = $_) =~ s#.*/##;
546	$base .= $ver;
547	copy($_,    "$installscript/$base");
548	chmod(0755, "$installscript/$base");
549    }
550
551    for (@tolink) {
552	my ($from, $to) = map { "$_$ver" } @$_;
553	(my $frbase = $from) =~ s#.*/##;
554	(my $tobase = $to) =~ s#.*/##;
555	script_alias($installscript, $frbase, $tobase, $scr_ext);
556    }
557} else {
558    for (@scripts) {
559	(my $base = $_) =~ s#.*/##;
560	copy($_, "$installscript/$base");
561	chmod(0755, "$installscript/$base");
562    }
563
564    for (@tolink) {
565	my ($from, $to) = @$_;
566	(my $frbase = $from) =~ s#.*/##;
567	(my $tobase = $to) =~ s#.*/##;
568	script_alias($installscript, $frbase, $tobase, $scr_ext);
569    }
570}
571
572# Install pod pages.  Where? I guess in $installprivlib/pod
573# ($installprivlib/pods for cygwin).
574
575my $pod = ($Is_Cygwin || $Is_Darwin || $Is_VMS || $Is_W32) ? 'pods' : 'pod';
576if ( !$versiononly || ($installprivlib =~ m/\Q$ver/)) {
577    mkpath("${installprivlib}/$pod", $verbose, 0777);
578
579    # If Perl 5.003's perldiag.pod is there, rename it.
580    if (open POD, "${installprivlib}/$pod/perldiag.pod") {
581	read POD, $_, 4000;
582	close POD;
583	# Some of Perl 5.003's diagnostic messages ended with periods.
584	if (/^=.*\.$/m) {
585	    my ($from, $to) = ("${installprivlib}/$pod/perldiag.pod",
586			       "${installprivlib}/$pod/perldiag-5.003.pod");
587	    print "  rename $from $to";
588	    rename($from, $to)
589		or warn "Couldn't rename $from to $to: $!\n"
590		unless $nonono;
591	}
592    }
593
594    for (@pods) {
595	# $_ is a name like  pod/perl.pod
596	(my $base = $_) =~ s#.*/##;
597	copy_if_diff($_, "${installprivlib}/$pod/${base}");
598    }
599
600}
601
602# Check to make sure there aren't other perls around in installer's
603# path.  This is probably UNIX-specific.  Check all absolute directories
604# in the path except for where public executables are supposed to live.
605# Also skip $mainperl if the user opted to have it be a link to the
606# installed perl.
607
608if (!$versiononly && $otherperls) {
609    my ($path, @path);
610    my $dirsep = ($Is_OS2 || $Is_W32 || $Is_NetWare) ? ';' : ':' ;
611    ($path = $ENV{"PATH"}) =~ s:\\:/:g ;
612    @path = split(/$dirsep/, $path);
613    if ($Is_VMS) {
614	my $i = 0;
615	while (exists $ENV{'DCL$PATH' . $i}) {
616	    my $dir = unixpath($ENV{'DCL$PATH' . $i});  $dir =~ s-/$--;
617	    push(@path,$dir);
618	}
619    }
620    my @otherperls;
621    my %otherperls;
622    for (@path) {
623	next unless m,^/,;
624	# Use &samepath here because some systems have other dirs linked
625	# to $mainperldir (like SunOS)
626	next if samepath($_, $binexp);
627	next if ($mainperl_is_instperl && samepath($_, $mainperldir));
628	my $otherperl = "$_/$perl$exe_ext";
629	next if $otherperls{$otherperl}++;
630	push(@otherperls, $otherperl)
631	    if (-x $otherperl && ! -d $otherperl);
632    }
633    if (@otherperls) {
634	warn "\nWarning: $perl appears in your path in the following " .
635	    "locations beyond where\nwe just installed it:\n";
636	for (@otherperls) {
637	    warn "    ", $_, "\n";
638	}
639	warn "\n";
640    }
641
642}
643
644$packlist->write() unless $nonono;
645print "  Installation complete\n" if $verbose;
646
647exit 0;
648
649###############################################################################
650
651sub yn {
652    my($prompt) = @_;
653    my($answer);
654    my($default) = $prompt =~ m/\[([yn])\]\s*$/i;
655    print STDERR $prompt;
656    chop($answer = <STDIN>);
657    $answer = $default if $answer =~ m/^\s*$/;
658    ($answer =~ m/^[yY]/);
659}
660
661sub unlink {
662    my(@names) = @_;
663    my($cnt) = 0;
664
665    return scalar(@names) if $Is_VMS;
666
667    foreach my $name (@names) {
668	next unless -e $name;
669	chmod 0777, $name if ($Is_OS2 || $Is_W32 || $Is_Cygwin || $Is_NetWare);
670	print "  unlink $name\n" if $verbose;
671	( CORE::unlink($name) and ++$cnt
672	  or warn "Couldn't unlink $name: $!\n" ) unless $nonono;
673    }
674    return $cnt;
675}
676
677sub safe_unlink {
678    return if $nonono or $Is_VMS;
679    my @names = @_;
680    foreach my $name (@names) {
681	next unless -e $name;
682	chmod 0777, $name if ($Is_OS2 || $Is_W32 || $Is_NetWare);
683	print "  unlink $name\n" if $verbose;
684	next if CORE::unlink($name);
685	warn "Couldn't unlink $name: $!\n";
686	if ($! =~ /busy/i) {
687	    print "  mv $name $name.old\n" if $verbose;
688	    safe_rename($name, "$name.old")
689		or warn "Couldn't rename $name: $!\n";
690	}
691    }
692}
693
694sub safe_rename {
695    my($from,$to) = @_;
696    if (-f $to and not unlink($to)) {
697	my($i);
698	for ($i = 1; $i < 50; $i++) {
699	    last if rename($to, "$to.$i");
700	}
701	warn("Cannot rename to `$to.$i': $!"), return 0
702	   if $i >= 50;	# Give up!
703    }
704    link($from,$to) || return 0;
705    unlink($from);
706}
707
708sub link {
709    my($from,$to) = @_;
710    my($success) = 0;
711
712    my $xfrom = $from;
713    $xfrom =~ s/^\Q$destdir\E// if $destdir;
714    my $xto = $to;
715    $xto =~ s/^\Q$destdir\E// if $destdir;
716    print $verbose ? "  ln $xfrom $xto\n" : "  $xto\n" unless $silent;
717    eval {
718	CORE::link($from, $to)
719	    ? $success++
720	    : ($from =~ m#^/afs/# || $to =~ m#^/afs/#)
721	      ? die "AFS"  # okay inside eval {}
722	      : die "Couldn't link $from to $to: $!\n"
723	  unless $nonono;
724	$packlist->{$xto} = { from => $xfrom, type => 'link' };
725    };
726    if ($@) {
727	warn "Replacing link() with File::Copy::copy(): $@";
728	print $verbose ? "  cp $from $xto\n" : "  $xto\n" unless $silent;
729	print "  creating new version of $xto\n"
730		 if $Is_VMS and -e $to and !$silent;
731	unless ($nonono or File::Copy::copy($from, $to) and ++$success) {
732	    # Might have been that F::C::c can't overwrite the target
733	    warn "Couldn't copy $from to $to: $!\n"
734		unless -f $to and (chmod(0666, $to), unlink $to)
735			and File::Copy::copy($from, $to) and ++$success;
736	}
737	$packlist->{$xto} = { type => 'file' };
738    }
739    $success;
740}
741
742sub chmod {
743    my($mode,$name) = @_;
744
745    return if ($^O eq 'dos');
746    printf "  chmod %o %s\n", $mode, $name if $verbose;
747    CORE::chmod($mode,$name)
748	|| warn sprintf("Couldn't chmod %o %s: $!\n", $mode, $name)
749      unless $nonono;
750}
751
752sub copy {
753    my($from,$to) = @_;
754
755    my $xto = $to;
756    $xto =~ s/^\Q$destdir\E// if $destdir;
757    print $verbose ? "  cp $from $xto\n" : "  $xto\n" unless $silent;
758    print "  creating new version of $xto\n" if $Is_VMS and -e $to and !$silent;
759    unless ($nonono or File::Copy::copy($from, $to)) {
760	# Might have been that F::C::c can't overwrite the target
761	warn "Couldn't copy $from to $to: $!\n"
762	    unless -f $to and (chmod(0666, $to), unlink $to)
763		   and File::Copy::copy($from, $to);
764    }
765    $packlist->{$xto} = { type => 'file' };
766}
767
768sub install {
769    my($from,$to,$mode,$strip) = @_;
770
771    my $xto = $to;
772    my $cmd = join(' ', @installcmd);
773    $cmd .= " -m $mode" if $mode;
774    $cmd .= " -s" if $strip;
775    $cmd .= " $from $to";
776    $xto =~ s/^\Q$destdir\E// if $destdir;
777    print $verbose ? "  install $from $xto\n" : "  $xto\n" unless $silent;
778    unless ($nonono) {
779       system($cmd);
780       warn "Couldn't $cmd\n" if $?;
781    }
782    $packlist->{$xto} = { type => 'file' };
783}
784
785sub samepath {
786    my($p1, $p2) = @_;
787
788    return (lc($p1) eq lc($p2)) if ($Is_W32 || $Is_NetWare);
789
790    if ($p1 ne $p2) {
791	my($dev1, $ino1, $dev2, $ino2);
792	($dev1, $ino1) = stat($p1);
793	($dev2, $ino2) = stat($p2);
794	($dev1 == $dev2 && $ino1 == $ino2);
795    }
796    else {
797	1;
798    }
799}
800
801sub installlib {
802    my $dir = $File::Find::dir;
803    $dir =~ s#^\.(?![^/])/?##;
804    local($depth) = $dir ? "lib/$dir" : "lib";
805
806    my $name = $_;
807
808    # Ignore version control directories.
809    if ($name =~ /^(?:CVS|RCS|SCCS|\.svn)\z/ and -d $name) {
810	$File::Find::prune = 1;
811	return;
812    }
813
814    # ignore patch backups, RCS files, emacs backup & temp files and the
815    # .exists files, .PL files, and test files.
816    return if $name =~ m{\.orig$|\.rej$|~$|^#.+#$|,v$|^\.exists|\.PL$|\.plc$|\.t$|^test\.pl$|^dbm_filter_util.pl$} ||
817	      $dir  =~ m{/t(?:/|$)};
818    # ignore the cpan script in lib/CPAN/bin, the instmodsh and xsubpp
819    # scripts in lib/ExtUtils, the prove script in lib/Test/Harness,
820    # the corelist script from lib/Module/CoreList/bin and ptar* in
821    # lib/Archive/Tar/bin, the config_data script in lib/Module/Build/scripts
822    # (they're installed later with other utils)
823    return if $name =~ /^(?:cpan|instmodsh|prove|corelist|ptar|cpan2dist|cpanp|cpanp-run-perl|ptardiff|config_data)\z/;
824    # ignore the Makefiles
825    return if $name =~ /^makefile$/i;
826    # ignore the test extensions
827    return if $dir =~ m{\bXS/(?:APItest|Typemap)\b};
828    return if $name =~ m{\b(?:APItest|Typemap)\.pm$};
829    # ignore the demo files
830    return if $dir =~ /\b(?:demos?|eg)\b/;
831
832    # ignore READMEs, MANIFESTs, INSTALL docs, META.ymls and change logs.
833    # Changes.e2x and README.e2x are needed by enc2xs.
834    return if $name =~ m{^(?:README(?:\.\w+)?)$} && $name ne 'README.e2x';
835    return if $name =~ m{^(?:MANIFEST|META\.yml)$};
836    return if $name =~ m{^(?:INSTALL|TODO|BUGS|CREDITS)$}i;
837    return if $name =~ m{^change(?:s|log)(?:\.libnet)?$}i;
838    return if $name =~ m{^(?:SIGNATURE|PAUSE200\d\.pub)$}; # CPAN files
839    return if $name =~ m{^(?:NOTES|PATCHING)$}; # ExtUtils files
840
841    # if using a shared perl library then ignore:
842    # - static library files [of statically linked extensions];
843    # - import library files and export library files (only present on Win32
844    #   anyway?) and empty bootstrap files [of dynamically linked extensions].
845    return if $Config{useshrplib} eq 'true' and
846             ($name =~ /$Config{_a}$/ or $name =~ /\.exp$/ or ($name =~ /\.bs$/ and -z $name));
847
848    $name = "$dir/$name" if $dir ne '';
849
850    my $installlib = $installprivlib;
851    if ($dir =~ /^auto/ ||
852	  ($name =~ /^(.*)\.(?:pm|pod)$/ && $archpms{$1}) ||
853	  ($name =~ /^(.*)\.(?:h|lib)$/i && ($Is_W32 || $Is_NetWare)) ||
854	  $name eq 'Config_heavy.pl'
855       ) {
856	$installlib = $installarchlib;
857	return unless $do_installarchlib;
858    } else {
859	return unless $do_installprivlib;
860    }
861
862    if (-f $_) {
863	if (/\.(?:al|ix)$/ && !($dir =~ m[^auto/(.*)$])) {
864	    $installlib = $installprivlib;
865	    #We're installing *.al and *.ix files into $installprivlib,
866	    #but we have to delete old *.al and *.ix files from the 5.000
867	    #distribution:
868	    #This might not work because $archname might have changed.
869	    unlink("$installarchlib/$name");
870	}
871	my $xname = "$installlib/$name";
872	$xname =~ s/^\Q$destdir\E// if $destdir;
873	$packlist->{$xname} = { type => 'file' };
874	if ($force || compare($_, "$installlib/$name") || $nonono) {
875	    unlink("$installlib/$name");
876	    mkpath("$installlib/$dir", $verbose, 0777);
877	    # HP-UX (at least) needs to maintain execute permissions
878	    # on dynamically-loaded libraries.
879	    if ($Is_NetWare && !$nwinstall) {
880		# Don't copy .nlp,.nlm files, doesn't make sense on Windows and also
881		# if copied will give problems when building new extensions.
882		# Has to be copied if we are installing on a NetWare server and hence
883		# the check !$nwinstall
884		if (!(/\.(?:nlp|nlm|bs)$/)) {
885		    copy_if_diff($_, "$installlib/$name")
886			and chmod($name =~ /\.(so|$dlext)$/o ? 0555 : 0444,
887				  "$installlib/$name");
888		}
889	   } else {
890		if (copy_if_diff($_, "$installlib/$name")) {
891		    if ($name =~ /\.(so|$dlext)$/o) {
892			strip("-S", "$installlib/$name") if $^O =~ /^(rhapsody|darwin)$/;
893			chmod(0555, "$installlib/$name");
894		    } else {
895			strip("-S", "$installlib/$name")
896			    if ($name =~ /\.a$/o and $^O =~ /^(rhapsody|darwin)$/);
897			chmod(0444, "$installlib/$name");
898		    }
899		}
900	    } #if ($Is_NetWare)
901	}
902    }
903}
904
905# Copy $from to $to, only if $from is different than $to.
906# Also preserve modification times for .a libraries.
907# On some systems, if you do
908#   ranlib libperl.a
909#   cp libperl.a /usr/local/lib/perl5/archlib/CORE/libperl.a
910# and then try to link against the installed libperl.a, you might
911# get an error message to the effect that the symbol table is older
912# than the library.
913# Return true if copying occurred.
914
915sub copy_if_diff {
916    my($from,$to)=@_;
917    return 1 if (($^O eq 'VMS') && (-d $from));
918    my $xto = $to;
919    $xto =~ s/^\Q$destdir\E// if $destdir;
920    my $perlpodbadsymlink;
921    if ($from =~ m!^pod/perl[\w-]+\.pod$! &&
922	-l $from &&
923	! -e $from) {
924	# Some Linux implementations have problems traversing over
925	# multiple symlinks (when going over NFS?) and fail to read
926	# the symlink target.  Combine this with the fact that some
927	# of the pod files (the perl$OS.pod) are symlinks (to ../README.$OS),
928	# and you end up with those pods not getting installed.
929	$perlpodbadsymlink = 1;
930    }
931    -f $from || $perlpodbadsymlink || warn "$0: $from not found";
932    $packlist->{$xto} = { type => 'file' };
933    if ($force || compare($from, $to) || $nonono) {
934	safe_unlink($to);   # In case we don't have write permissions.
935	if ($nonono) {
936	    $from = $depth . "/" . $from if $depth;
937	}
938	if ($perlpodbadsymlink && $from =~ m!^pod/perl(.+)\.pod$!) {
939	    $from = "README.$1";
940	}
941	copy($from, $to);
942	# Restore timestamps if it's a .a library or for OS/2.
943	if (!$nonono && ($Is_OS2 || $to =~ /\.a$/)) {
944	    my ($atime, $mtime) = (stat $from)[8,9];
945	    utime $atime, $mtime, $to;
946	}
947	1;
948    }
949}
950
951sub strip
952{
953    my(@args) = @_;
954
955    return unless $dostrip;
956
957    my @opts;
958    while (@args && $args[0] =~ /^(-\w+)$/) {
959	push @opts, shift @args;
960    }
961
962    foreach my $file (@args) {
963	if (-f $file) {
964	    if ($verbose) {
965		print "  strip " . join(' ', @opts);
966		print " " if (@opts);
967		print "$file\n";
968	    }
969	    system("strip", @opts, $file);
970	} else {
971	    print "# file '$file' skipped\n" if $verbose;
972	}
973    }
974}
975