xref: /openbsd-src/gnu/usr.bin/perl/installperl (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e) 
1#!./perl
2#	$OpenBSD: installperl,v 1.12 2000/04/06 17:03:58 millert Exp $
3#
4# This is hacked up, in order to support DESTDIR and INSTALL_STRIP.
5#
6
7BEGIN {
8    require 5.004;
9    chdir '..' if !-d 'lib' and -d '..\lib';
10    @INC = 'lib';
11    $ENV{PERL5LIB} = 'lib';
12}
13
14use strict;
15my ($Is_VMS, $Is_W32, $Is_OS2, $Is_Cygwin, $nonono, $dostrip,
16    $versiononly, $silent, $verbose, $otherperls);
17use vars qw /$depth/;
18
19BEGIN {
20    $Is_VMS = $^O eq 'VMS';
21    $Is_W32 = $^O eq 'MSWin32';
22    $Is_OS2 = $^O eq 'os2';
23    $Is_Cygwin = $^O eq 'cygwin';
24    if ($Is_VMS) { eval 'use VMS::Filespec;' }
25}
26
27my $scr_ext = ($Is_VMS ? '.Com' : $Is_W32 ? '.bat' : '');
28
29use File::Find;
30use File::Compare;
31use File::Copy ();
32use File::Path ();
33use ExtUtils::Packlist;
34use Config;
35use subs qw(unlink link chmod cmd);
36
37# override the ones in the rest of the script
38sub mkpath {
39    File::Path::mkpath(@_) unless $nonono;
40}
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		    : $perl;
55
56$otherperls = 1;
57while (@ARGV) {
58    $nonono = 1 if $ARGV[0] eq '-n';
59    $dostrip = 1 if $ARGV[0] eq '-s';
60    $versiononly = 1 if $ARGV[0] eq '-v';
61    $silent = 1 if $ARGV[0] eq '-S';
62    $otherperls = 0 if $ARGV[0] eq '-o';
63    $verbose = 1 if $ARGV[0] eq '-V' || $ARGV [0] eq '-n';
64    shift;
65}
66
67$versiononly = 1 if $Config{versiononly};
68
69my @scripts = qw(utils/c2ph utils/h2ph utils/h2xs utils/perlbug utils/perldoc
70		utils/pl2pm utils/splain utils/perlcc utils/dprofpp
71		x2p/s2p x2p/find2perl
72		pod/pod2man pod/pod2html pod/pod2latex pod/pod2text
73		pod/pod2usage pod/podchecker pod/podselect);
74
75if ($scr_ext) { @scripts = map { "$_$scr_ext" } @scripts; }
76
77my @pods = (<pod/*.pod>);
78
79# Specify here any .pm files that are actually architecture-dependent.
80# (Those included with XS extensions under ext/ are automatically
81# added later.)
82# Now that the default privlib has the full perl version number included,
83# we no longer have to play the trick of sticking version-specific .pm
84# files under the archlib directory.
85my %archpms = (
86    Config => 1,
87);
88
89if ($^O eq 'dos') {
90    push(@scripts,'djgpp/fixpmain');
91    $archpms{config} = $archpms{filehand} = 1;
92}
93
94if ((-e "testcompile") && (defined($ENV{'COMPILE'})))
95{
96	push(@scripts, map("$_.exe", @scripts));
97}
98
99find(sub {
100	if ("$File::Find::dir/$_" =~ m{^ext\b(.*)/([^/]+)\.pm$}) {
101	    my($path, $modname) = ($1,$2);
102
103	    # strip trailing component first
104	    $path =~ s{/[^/]*$}{};
105
106	    # strip optional "/lib";
107	    $path =~ s{/lib\b}{};
108
109	    # strip any leading /
110	    $path =~ s{^/}{};
111
112	    # reconstitute canonical module name
113	    $modname = "$path/$modname" if length $path;
114
115	    # remember it
116	    $archpms{$modname} = 1;
117	}
118    }, 'ext');
119
120# print "[$_]\n" for sort keys %archpms;
121
122my $ver = $Config{version};
123my $release = substr($],0,3);   # Not used currently.
124my $patchlevel = substr($],3,2);
125die "Patchlevel of perl ($patchlevel)",
126    "and patchlevel of config.sh ($Config{'PERL_VERSION'}) don't match\n"
127	if $patchlevel != $Config{'PERL_VERSION'};
128
129my $installbin;
130my $installscript;
131my $installprivlib;
132my $installarchlib;
133my $installsitelib;
134my $installsitearch;
135my $installman1dir;
136my $installdest = $ENV{"DESTDIR"};
137
138$installdest =~ s:/+$::;
139if ($installdest ne '') {
140    # Fetch some frequently-used items from %Config, prefixing with DESTDIR.
141    $installbin = "$installdest/$Config{installbin}";
142    $installscript = "$installdest/$Config{installscript}";
143    $installprivlib = "$installdest/$Config{installprivlib}";
144    $installarchlib = "$installdest/$Config{installarchlib}";
145    $installsitelib = "$installdest/$Config{installsitelib}";
146    $installsitearch = "$installdest/$Config{installsitearch}";
147    $installman1dir = "$installdest/$Config{installman1dir}";
148    # Also whack $mainperldir.
149    $mainperldir = "$installdest/$mainperldir";
150} else {
151    # Fetch some frequently-used items from %Config
152    $installbin = $Config{installbin};
153    $installscript = $Config{installscript};
154    $installprivlib = $Config{installprivlib};
155    $installarchlib = $Config{installarchlib};
156    $installsitelib = $Config{installsitelib};
157    $installsitearch = $Config{installsitearch};
158    $installman1dir = $Config{installman1dir};
159}
160
161my $man1ext = $Config{man1ext};
162my $libperl = $Config{libperl};
163# Shared library and dynamic loading suffixes.
164my $so = $Config{so};
165my $dlext = $Config{dlext};
166my $dlsrc = $Config{dlsrc};
167if ($^O eq 'os390') {
168    my $usedl = $Config{usedl};
169    if ($usedl eq 'define') {
170        my $pwd;
171        chomp($pwd=`pwd`);
172        my $archlibexp = $Config{archlibexp};
173        `./$^X -p -e 's{$pwd\/libperl.x}{$archlibexp/CORE/libperl.x}' lib/Config.pm`;
174    }
175}
176
177my $d_dosuid = $Config{d_dosuid};
178my $binexp = $Config{binexp};
179
180if ($Is_VMS) {  # Hang in there until File::Spec hits the big time
181    foreach ( \$installbin,     \$installscript,  \$installprivlib,
182              \$installarchlib, \$installsitelib, \$installsitearch,
183              \$installman1dir ) {
184      $$_ = unixify($$_);  $$_ =~ s:/$::;
185    }
186}
187
188# Do some quick sanity checks.
189
190if ($d_dosuid && $>) { die "You must run as root to install suidperl\n"; }
191
192   $installbin		|| die "No installbin directory in config.sh\n";
193-d $installbin		|| mkpath($installbin, $verbose, 0777);
194-d $installbin		|| $nonono || die "$installbin is not a directory\n";
195-w $installbin		|| $nonono || die "$installbin is not writable by you\n"
196	unless $installbin =~ m#^/afs/# || $nonono;
197
198-x 'perl' . $exe_ext	|| die "perl isn't executable!\n";
199-x 'suidperl' . $exe_ext|| die "suidperl isn't executable!\n" if $d_dosuid;
200
201-f 't/rantests'		|| $Is_W32
202			|| warn "WARNING: You've never run 'make test'!!!",
203				"  (Installing anyway.)\n";
204
205if ($Is_W32 or $Is_Cygwin) {
206  my $perldll;
207
208  if ($Is_Cygwin) {
209    $perldll = $libperl;
210    $perldll =~ s/(\..*)?$/.$dlext/;
211    if ($Config{useshrplib} eq 'true') {
212      # install ld2 and perlld as well
213      foreach ('ld2', 'perlld') {
214        safe_unlink("$installbin/$_");
215        copy("$_", "$installbin/$_");
216        chmod(0755, "$installbin/$_");
217      };
218    };
219  } else {
220    $perldll = 'perl56.' . $dlext;
221  }
222
223  if ($dlsrc ne "dl_none.xs") {
224    -f $perldll || die "No perl DLL built\n";
225  }
226  # Install the DLL
227
228  safe_unlink("$installbin/$perldll");
229  copy("$perldll", "$installbin/$perldll");
230  chmod(0755, "$installbin/$perldll");
231
232} # if ($Is_W32 or $Is_Cygwin)
233
234# This will be used to store the packlist
235my $packlist = ExtUtils::Packlist->new("$installarchlib/.packlist");
236
237# Get the install command from the environment
238my $installcmd;
239if (defined($ENV{"INSTALL"})) {
240    $installcmd = $ENV{"INSTALL"}
241	. " " . $ENV{"INSTALL_COPY"}
242	. " " . $ENV{"INSTALL_STRIP"};
243} else {
244    $installcmd = "cp";
245}
246
247# First we install the version-numbered executables.
248if ($Is_VMS) {
249    safe_unlink("$installbin/$perl$exe_ext");
250    copy("perl$exe_ext", "$installbin/$perl$exe_ext");
251    chmod(0755, "$installbin/$perl$exe_ext");
252    safe_unlink("$installbin/${perl}shr$exe_ext");
253    copy("perlshr$exe_ext", "$installbin/${perl}shr$exe_ext");
254    chmod(0755, "$installbin/${perl}shr$exe_ext");
255}
256elsif ($^O eq 'mpeix') {
257    # MPE lacks hard links and requires that executables with special
258    # capabilities reside in the MPE namespace.
259    safe_unlink("$installbin/perl$ver$exe_ext", $Config{perlpath});
260    # Install the primary executable into the MPE namespace as perlpath.
261    copy("perl$exe_ext", $Config{perlpath});
262    chmod(0755, $Config{perlpath});
263    # Create a backup copy with the version number.
264    link($Config{perlpath}, "$installbin/perl$ver$exe_ext");
265}
266elsif ($^O ne 'dos') {
267    safe_unlink("$installbin/$perl_verbase$ver$exe_ext");
268    #copy("perl$exe_ext", "$installbin/$perl_verbase$ver$exe_ext");
269    cmd("$installcmd perl$exe_ext $installbin/$perl_verbase$ver$exe_ext");
270    strip("$installbin/$perl_verbase$ver$exe_ext");
271    chmod(0755, "$installbin/$perl_verbase$ver$exe_ext");
272}
273else {
274    safe_unlink("$installbin/$perl.exe");
275    copy("perl.exe", "$installbin/$perl.exe");
276}
277
278safe_unlink("$installbin/s$perl_verbase$ver$exe_ext");
279if ($d_dosuid) {
280    #copy("suidperl$exe_ext", "$installbin/s$perl_verbase$ver$exe_ext");
281    cmd("$installcmd suidperl$exe_ext $installbin/s$perl_verbase$ver$exe_ext");
282    chmod(04711, "$installbin/s$perl_verbase$ver$exe_ext");
283}
284
285# Install library files.
286
287my ($do_installarchlib, $do_installprivlib) = (0, 0);
288
289mkpath($installprivlib, $verbose, 0777);
290mkpath($installarchlib, $verbose, 0777);
291mkpath($installsitelib, $verbose, 0777) if ($installsitelib);
292mkpath($installsitearch, $verbose, 0777) if ($installsitearch);
293
294if (chdir "lib") {
295    $do_installarchlib = ! samepath($installarchlib, '.');
296    $do_installprivlib = ! samepath($installprivlib, '.');
297    $do_installprivlib = 0 if $versiononly && !($installprivlib =~ m/\Q$ver/);
298
299    if ($do_installarchlib || $do_installprivlib) {
300	find(\&installlib, '.');
301    }
302    chdir ".." || die "Can't cd back to source directory: $!\n";
303}
304else {
305    warn "Can't cd to lib to install lib files: $!\n";
306}
307
308# Install header files and libraries.
309mkpath("$installarchlib/CORE", $verbose, 0777);
310my @corefiles;
311if ($Is_VMS) {  # We did core file selection during build
312    my $coredir = "lib/$Config{archname}/$ver/CORE";
313    $coredir =~ tr/./_/;
314    map { s|^$coredir/||i; } @corefiles = <$coredir/*.*>;
315}
316else {
317    # [als] hard-coded 'libperl' name... not good!
318    #@corefiles = <*.h libperl*.*>;
319    @corefiles = <*.h>;
320    push(@corefiles,<libperl*.*>) unless defined($ENV{"NOLIBINSTALL"});
321
322    # AIX needs perl.exp installed as well.
323    push(@corefiles,'perl.exp') if $^O eq 'aix';
324    if ($^O eq 'mpeix') {
325        # MPE needs mpeixish.h installed as well.
326        mkpath("$installarchlib/CORE/mpeix", $verbose, 0777);
327        push(@corefiles,'mpeix/mpeixish.h');
328    }
329    # If they have built sperl.o...
330    push(@corefiles,'sperl.o') if -f 'sperl.o';
331}
332foreach my $file (@corefiles) {
333    # HP-UX (at least) needs to maintain execute permissions
334    # on dynamically-loadable libraries. So we do it for all.
335    if (copy_if_diff($file,"$installarchlib/CORE/$file")) {
336	if ($file =~ /\.(\Q$so\E|\Q$dlext\E)$/) {
337	    chmod(0555, "$installarchlib/CORE/$file");
338	    strip("-S", "$installarchlib/CORE/$file") if $^O =~ /^(rhapsody|darwin)$/;
339	} else {
340	    chmod(0444, "$installarchlib/CORE/$file");
341	}
342    }
343}
344
345# Install main perl executables
346# Make links to ordinary names if installbin directory isn't current directory.
347
348if (! $versiononly && ! samepath($installbin, '.') && ($^O ne 'dos') && ! $Is_VMS) {
349    safe_unlink("$installbin/$perl$exe_ext", "$installbin/suid$perl$exe_ext");
350    if ($^O eq 'mpeix') {
351	# MPE doesn't support hard links, so use a symlink.
352	# We don't want another cloned copy.
353        symlink($Config{perlpath}, "$installbin/perl$exe_ext");
354    } else {
355	link("$installbin/$perl_verbase$ver$exe_ext",
356		"$installbin/$perl$exe_ext");
357    }
358    link("$installbin/s$perl_verbase$ver$exe_ext",
359	    "$installbin/suid$perl$exe_ext")
360      if $d_dosuid;
361}
362
363# Offer to install perl in a "standard" location
364
365my $mainperl_is_instperl = 0;
366
367if ($Config{installusrbinperl} && $Config{installusrbinperl} eq 'define' &&
368    !$versiononly && !$nonono && !$Is_W32 && !$Is_VMS && -t STDIN && -t STDERR
369	&& -w $mainperldir && ! samepath($mainperldir, $installbin)) {
370    my($usrbinperl)	= "$mainperldir/$perl$exe_ext";
371    my($instperl)	= "$installbin/$perl$exe_ext";
372    my($expinstperl)	= "$binexp/$perl$exe_ext";
373
374    # First make sure $usrbinperl is not already the same as the perl we
375    # just installed.
376    if (-x $usrbinperl) {
377	# Try to be clever about mainperl being a symbolic link
378	# to binexp/perl if binexp and installbin are different.
379	$mainperl_is_instperl =
380	    samepath($usrbinperl, $instperl) ||
381	    samepath($usrbinperl, $expinstperl) ||
382	     (($binexp ne $installbin) &&
383	      (-l $usrbinperl) &&
384	      ((readlink $usrbinperl) eq $expinstperl));
385    }
386    if ((! $mainperl_is_instperl) &&
387	(yn("Many scripts expect perl to be installed as $usrbinperl.\n" .
388	     "Do you wish to have $usrbinperl be the same as\n" .
389	     "$expinstperl? [y] ")))
390    {
391	unlink($usrbinperl);
392	( $Config{'d_link'} eq 'define' &&
393	  eval { CORE::link $instperl, $usrbinperl } )	||
394	eval { symlink $expinstperl, $usrbinperl }	||
395	copy($instperl, $usrbinperl);
396
397	$mainperl_is_instperl = 1;
398    }
399}
400
401# Make links to ordinary names if installbin directory isn't current directory.
402
403if (!$versiononly && ! samepath($installbin, 'x2p')) {
404    safe_unlink("$installbin/a2p$exe_ext");
405    #copy("x2p/a2p$exe_ext", "$installbin/a2p$exe_ext");
406    cmd("$installcmd x2p/a2p$exe_ext $installbin/a2p$exe_ext");
407    chmod(0755, "$installbin/a2p$exe_ext");
408}
409
410# cppstdin is just a script, but it is architecture-dependent, so
411# it can't safely be shared.  Place it in $installbin.
412# Note that Configure doesn't build cppstin if it isn't needed, so
413# we skip this if cppstdin doesn't exist.
414if (! $versiononly && (-f 'cppstdin') && (! samepath($installbin, '.'))) {
415    safe_unlink("$installbin/cppstdin");
416    copy("cppstdin", "$installbin/cppstdin");
417    chmod(0755, "$installbin/cppstdin");
418}
419
420if (! $versiononly) {
421    # Install scripts.
422
423    mkpath($installscript, $verbose, 0777);
424
425    for (@scripts) {
426	(my $base = $_) =~ s#.*/##;
427	copy($_, "$installscript/$base");
428	chmod(0755, "$installscript/$base");
429    }
430
431    # pstruct should be a link to c2ph
432    safe_unlink("$installscript/pstruct$scr_ext");
433    if ($^O eq 'dos' or $Is_VMS or $^O eq 'transit') {
434	copy("$installscript/c2ph$scr_ext",
435	     "$installscript/pstruct$scr_ext");
436    } else {
437	link("$installscript/c2ph$scr_ext",
438	     "$installscript/pstruct$scr_ext");
439    }
440}
441
442# Install pod pages.  Where? I guess in $installprivlib/pod
443# ($installprivlib/pods for cygwin).
444
445my $pod = $Is_Cygwin ? 'pods' : 'pod';
446if ( !$versiononly || ($installprivlib =~ m/\Q$ver/)) {
447    mkpath("${installprivlib}/$pod", $verbose, 0777);
448
449    # If Perl 5.003's perldiag.pod is there, rename it.
450    if (open POD, "${installprivlib}/$pod/perldiag.pod") {
451	read POD, $_, 4000;
452	close POD;
453	# Some of Perl 5.003's diagnostic messages ended with periods.
454	if (/^=.*\.$/m) {
455	    my ($from, $to) = ("${installprivlib}/$pod/perldiag.pod",
456			       "${installprivlib}/$pod/perldiag-5.003.pod");
457	    print "  rename $from $to";
458	    rename($from, $to)
459		or warn "Couldn't rename $from to $to: $!\n"
460		unless $nonono;
461	}
462    }
463
464    for (@pods) {
465	# $_ is a name like  pod/perl.pod
466        (my $base = $_) =~ s#.*/##;
467	copy_if_diff($_, "${installprivlib}/$pod/${base}");
468    }
469
470}
471
472# Check to make sure there aren't other perls around in installer's
473# path.  This is probably UNIX-specific.  Check all absolute directories
474# in the path except for where public executables are supposed to live.
475# Also skip $mainperl if the user opted to have it be a link to the
476# installed perl.
477
478if (!$versiononly && $otherperls) {
479    my ($path, @path);
480    my $dirsep = ($Is_OS2 || $Is_W32) ? ';' : ':' ;
481    ($path = $ENV{"PATH"}) =~ s:\\:/:g ;
482    @path = split(/$dirsep/, $path);
483    if ($Is_VMS) {
484        my $i = 0;
485        while (exists $ENV{'DCL$PATH' . $i}) {
486            my $dir = unixpath($ENV{'DCL$PATH' . $i});  $dir =~ s-/$--;
487            push(@path,$dir);
488        }
489    }
490    my @otherperls;
491    my %otherperls;
492    for (@path) {
493	next unless m,^/,;
494	# Use &samepath here because some systems have other dirs linked
495	# to $mainperldir (like SunOS)
496	next if samepath($_, $binexp);
497	next if ($mainperl_is_instperl && samepath($_, $mainperldir));
498        my $otherperl = "$_/$perl$exe_ext";
499	next if $otherperls{$otherperl}++;
500	push(@otherperls, $otherperl)
501	    if (-x $otherperl && ! -d $otherperl);
502    }
503    if (@otherperls) {
504	warn "\nWarning: $perl appears in your path in the following " .
505	    "locations beyond where\nwe just installed it:\n";
506	for (@otherperls) {
507	    warn "    ", $_, "\n";
508	}
509	warn "\n";
510    }
511
512}
513
514$packlist->write() unless $nonono;
515print "  Installation complete\n" if $verbose;
516
517exit 0;
518
519###############################################################################
520
521sub yn {
522    my($prompt) = @_;
523    my($answer);
524    my($default) = $prompt =~ m/\[([yn])\]\s*$/i;
525    warn $prompt;
526    chop($answer = <STDIN>);
527    $answer = $default if $answer =~ m/^\s*$/;
528    ($answer =~ m/^[yY]/);
529}
530
531sub unlink {
532    my(@names) = @_;
533    my($cnt) = 0;
534
535    return scalar(@names) if $Is_VMS;
536
537    foreach my $name (@names) {
538	next unless -e $name;
539	chmod 0777, $name if ($Is_OS2 || $Is_W32 || $Is_Cygwin);
540	print "  unlink $name\n" if $verbose;
541	( CORE::unlink($name) and ++$cnt
542	  or warn "Couldn't unlink $name: $!\n" ) unless $nonono;
543    }
544    return $cnt;
545}
546
547sub safe_unlink {
548    return if $nonono or $Is_VMS;
549    my @names = @_;
550    foreach my $name (@names) {
551	next unless -e $name;
552	chmod 0777, $name if ($Is_OS2 || $Is_W32);
553	print "  unlink $name\n" if $verbose;
554	next if CORE::unlink($name);
555	warn "Couldn't unlink $name: $!\n";
556	if ($! =~ /busy/i) {
557	    print "  mv $name $name.old\n" if $verbose;
558	    safe_rename($name, "$name.old")
559		or warn "Couldn't rename $name: $!\n";
560	}
561    }
562}
563
564sub safe_rename {
565    my($from,$to) = @_;
566    if (-f $to and not unlink($to)) {
567	my($i);
568	for ($i = 1; $i < 50; $i++) {
569	    last if rename($to, "$to.$i");
570	}
571	warn("Cannot rename to `$to.$i': $!"), return 0
572	   if $i >= 50;	# Give up!
573    }
574    link($from,$to) || return 0;
575    unlink($from);
576}
577
578sub link {
579    my($from,$to) = @_;
580    my($success) = 0;
581
582    print $verbose ? "  ln $from $to\n" : "  $to\n" unless $silent;
583    eval {
584	CORE::link($from, $to)
585	    ? $success++
586	    : ($from =~ m#^/afs/# || $to =~ m#^/afs/#)
587	      ? die "AFS"  # okay inside eval {}
588	      : die "Couldn't link $from to $to: $!\n"
589	  unless $nonono;
590        $packlist->{$to} = { from => $from, type => 'link' };
591    };
592    if ($@) {
593	warn $@;
594        print $verbose ? "  cp $from $to\n" : "  $to\n" unless $silent;
595	print "  creating new version of $to\n"
596                 if $Is_VMS and -e $to and !$silent;
597	File::Copy::copy($from, $to)
598	    ? $success++
599	    : warn "Couldn't copy $from to $to: $!\n"
600	  unless $nonono;
601        $packlist->{$to} = { type => 'file' };
602    }
603    $success;
604}
605
606sub cmd {
607    my($cmd) = @_;
608    print STDERR "  $cmd\n";
609    unless ($nonono) {
610	system $cmd;
611	warn "Command failed!!!\n" if $?;
612    }
613}
614
615sub chmod {
616    my($mode,$name) = @_;
617
618    return if ($^O eq 'dos');
619    printf "  chmod %o %s\n", $mode, $name if $verbose;
620    CORE::chmod($mode,$name)
621	|| warn sprintf("Couldn't chmod %o %s: $!\n", $mode, $name)
622      unless $nonono;
623}
624
625sub copy {
626    my($from,$to) = @_;
627
628    print $verbose ? "  cp $from $to\n" : "  $to\n" unless $silent;
629    print "  creating new version of $to\n" if $Is_VMS and -e $to and !$silent;
630    File::Copy::copy($from, $to)
631	|| warn "Couldn't copy $from to $to: $!\n"
632      unless $nonono;
633    $packlist->{$to} = { type => 'file' };
634}
635
636sub samepath {
637    my($p1, $p2) = @_;
638
639    return (lc($p1) eq lc($p2)) if $Is_W32;
640
641    if ($p1 ne $p2) {
642	my($dev1, $ino1, $dev2, $ino2);
643	($dev1, $ino1) = stat($p1);
644	($dev2, $ino2) = stat($p2);
645	($dev1 == $dev2 && $ino1 == $ino2);
646    }
647    else {
648	1;
649    }
650}
651
652sub installlib {
653    my $dir = $File::Find::dir;
654    $dir =~ s#^\.(?![^/])/?##;
655    local($depth) = $dir ? "lib/$dir" : "lib";
656
657    my $name = $_;
658
659    # Ignore RCS and CVS directories.
660    if (($name eq 'CVS' or $name eq 'RCS') and -d $name) {
661	$File::Find::prune = 1;
662	return;
663    }
664
665    # ignore patch backups, RCS files, emacs backup & temp files and the
666    # .exists files.
667    return if $name =~ m{\.orig$|~$|^#.+#$|,v$|^\.exists};
668
669    $name = "$dir/$name" if $dir ne '';
670
671    my $installlib = $installprivlib;
672    if ($dir =~ /^auto/ ||
673	  ($name =~ /^(.*)\.(?:pm|pod)$/ && $archpms{$1}) ||
674	  ($name =~ /^(.*)\.(?:h|lib)$/i && $Is_W32)
675       ) {
676        $installlib = $installarchlib;
677	return unless $do_installarchlib;
678    } else {
679	return unless $do_installprivlib;
680    }
681
682    if (-f $_) {
683	if (/\.(?:al|ix)$/ && !($dir =~ m[^auto/(.*)$] && $archpms{$1})) {
684	    $installlib = $installprivlib;
685	    #We're installing *.al and *.ix files into $installprivlib,
686	    #but we have to delete old *.al and *.ix files from the 5.000
687	    #distribution:
688	    #This might not work because $archname might have changed.
689	    unlink("$installarchlib/$name");
690	}
691        $packlist->{"$installlib/$name"} = { type => 'file' };
692	if (compare($_, "$installlib/$name") || $nonono) {
693	    unlink("$installlib/$name");
694	    mkpath("$installlib/$dir", $verbose, 0777);
695	    # HP-UX (at least) needs to maintain execute permissions
696	    # on dynamically-loaded libraries.
697	    copy_if_diff($_, "$installlib/$name")
698		and chmod($name =~ /\.(so|$dlext)$/o ? 0555 : 0444,
699			   "$installlib/$name");
700	}
701    }
702}
703
704# Copy $from to $to, only if $from is different than $to.
705# Also preserve modification times for .a libraries.
706# On some systems, if you do
707#   ranlib libperl.a
708#   cp libperl.a /usr/local/lib/perl5/archlib/CORE/libperl.a
709# and then try to link against the installed libperl.a, you might
710# get an error message to the effect that the symbol table is older
711# than the library.
712# Return true if copying occurred.
713
714sub copy_if_diff {
715    my($from,$to)=@_;
716    return 1 if (($^O eq 'VMS') && (-d $from));
717    -f $from || warn "$0: $from not found";
718    $packlist->{$to} = { type => 'file' };
719    if (compare($from, $to) || $nonono) {
720	safe_unlink($to);   # In case we don't have write permissions.
721        if ($nonono) {
722            $from = $depth . "/" . $from if $depth;
723        }
724	copy($from, $to);
725	# Restore timestamps if it's a .a library or for OS/2.
726	if (!$nonono && ($Is_OS2 || $to =~ /\.a$/)) {
727	    my ($atime, $mtime) = (stat $from)[8,9];
728	    utime $atime, $mtime, $to;
729	}
730	1;
731    }
732}
733
734sub strip
735{
736    my(@args) = @_;
737
738    return unless $dostrip;
739
740    my @opts;
741    while (@args && $args[0] =~ /^(-\w+)$/) {
742        push @opts, shift @args;
743    }
744
745    foreach my $file (@args) {
746        if (-f $file) {
747            print "  strip $file\n" if $verbose;
748            system("strip", @opts, $file);
749        } else {
750            print "# file '$file' skipped\n" if $verbose;
751        }
752    }
753}
754
755