xref: /openbsd-src/gnu/usr.bin/perl/installperl (revision f2da64fbbbf1b03f09f390ab01267c93dfd77c4c)
1#!./perl -w
2
3BEGIN {
4    chdir '..' if !-d 'lib' and -d '../lib';
5    @INC = 'lib';
6    $ENV{PERL5LIB} = 'lib';
7
8    # This needs to be at BEGIN time, before any use of Config
9    # install_lib itself loads and imports Config into main::
10    require './install_lib.pl';
11}
12
13use strict;
14use vars qw($Is_VMS $Is_W32 $Is_OS2 $Is_Cygwin $Is_Darwin $Is_NetWare
15	    %opts $packlist);
16my $versiononly;
17
18BEGIN {
19    if ($Is_VMS) { eval 'use VMS::Filespec;' }
20}
21
22my $scr_ext = ($Is_VMS ? '.Com' : $Is_W32 ? '.bat' : '');
23
24use File::Find;
25use File::Compare;
26use File::Copy ();
27use ExtUtils::Packlist;
28use Cwd;
29# nogetopt_compat to disable treating +v as meaning -v
30use Getopt::Long qw(:config nogetopt_compat no_auto_abbrev noignorecase);
31
32require './Porting/pod_lib.pl';
33
34if ($Is_NetWare) {
35    $Is_W32 = 0;
36    $scr_ext = '.pl';
37}
38
39my $mainperldir = "/usr/bin";
40my $exe_ext = $Config{exe_ext};
41
42# Allow "make install PERLNAME=something_besides_perl":
43my $perl = defined($ENV{PERLNAME}) ? $ENV{PERLNAME} : 'perl';
44
45# This is the base used for versioned names, like "perl5.6.0".
46# It's separate because a common use of $PERLNAME is to install
47# perl as "perl5", if that's used as base for versioned files you
48# get "perl55.6.0".
49my $perl_verbase = defined($ENV{PERLNAME_VERBASE})
50		    ? $ENV{PERLNAME_VERBASE}
51		    : $perl;
52my $dbg = '';
53my $ndbg = '';
54if ( $Is_VMS ) {
55    if ( defined $Config{usevmsdebug} ) {
56        if ( $Config{usevmsdebug} eq 'define' ) {
57            $dbg = 'dbg';
58            $ndbg = 'ndbg';
59        }
60    }
61}
62
63# This little hack simplifies making the code after the comment "Fetch some
64# frequently-used items from %Config" warning free. With $opts{destdir} always
65# defined, it's also possible to make the s/\Q$opts{destdir}\E unconditional.
66
67$opts{destdir} = '';
68{
69    my $usage = 0;
70    if (!GetOptions(\%opts, 'notify|n', 'strip|s', 'silent|S',
71                    'skip-otherperls|o', 'force|f', 'verbose|V', 'archname|A',
72                    'netware', 'nopods|p', 'destdir:s', 'help|h|?',
73                    'versiononly|v' => \$versiononly, '<>' => sub {
74                        if ($_[0] eq '+v') {
75                            $versiononly = 0;
76                        } else {
77                            # Any other unknown argument is going to be an error
78                            $usage = 1;
79                        }
80                    },
81                   )) {
82        $usage = 1;
83    }
84    $opts{verbose} ||= $opts{notify};
85
86    if ($usage || $opts{help}) {
87        print <<"EOT";
88Usage $0: [switches]
89  -n	    Don't actually run any commands; just print them.
90  -s        Run strip on installed binaries.
91  -v        Only install perl as a binary with the version number in the name.
92            (Override whatever config.sh says)
93  +v        Install perl as "perl" and as a binary with the version number in
94            the name.  (Override whatever config.sh says)
95  -S        Silent mode.
96  -f        Force installation (don't check if same version is there)
97  -o        Skip checking for other copies of perl in your PATH.
98  -V        Verbose mode.
99  -A        Also install perl with the architecture's name in the perl binary's
100            name.
101  -p        Don't install the pod files. [This will break use diagnostics;]
102  -netware  Install correctly on a Netware server.
103  -destdir  Prefix installation directories by this string.
104  -h        Display this help message.
105EOT
106        exit $usage;
107    }
108}
109
110$versiononly = 1 if $Config{versiononly} && !defined $versiononly;
111my (@scripts, @tolink);
112open SCRIPTS, "utils.lst" or die "Can't open utils.lst: $!";
113while (<SCRIPTS>) {
114    next if /^#/;
115    next if /a2p/; # a2p is binary, to be installed separately
116    chomp;
117    if (/(\S*)\s*#\s*link\s*=\s*(\S*)/) {
118	push @scripts, $1;
119	push @tolink, [$1, $2];
120    } else {
121	push @scripts, $_;
122    }
123}
124close SCRIPTS;
125
126if ($scr_ext) { @scripts = map { "$_$scr_ext" } @scripts; }
127
128# Specify here any .pm files that are actually architecture-dependent.
129# (Those included with XS extensions under ext/ are automatically
130# added later.)
131# Now that the default privlib has the full perl version number included,
132# we no longer have to play the trick of sticking version-specific .pm
133# files under the archlib directory.
134my %archpms = (
135    Config => 1,
136    lib => 1,
137);
138
139if ($^O eq 'dos') {
140    push(@scripts,'djgpp/fixpmain');
141    $archpms{config} = $archpms{filehand} = 1;
142}
143
144if ((-e "testcompile") && (defined($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}{$archlibexp/CORE/libperl.x}' lib/Config.pm`;
209    }
210}
211
212if ($opts{netware}) {
213    # This is required only if we are installing on a NetWare server
214    $installscript = $Config{installnwscripts};
215    $installprivlib = $Config{installnwlib};
216    $installarchlib = $Config{installnwlib};
217    $installsitelib = $Config{installnwlib};
218}
219
220my $binexp = $Config{binexp};
221
222if ($Is_VMS) {  # Hang in there until File::Spec hits the big time
223    foreach ( \$installbin,     \$installscript,  \$installprivlib,
224	      \$installarchlib, \$installsitelib, \$installsitearch,
225	      \$installman1dir ) {
226	$$_ = unixify($$_);  $$_ =~ s:/$::;
227    }
228}
229
230# Do some quick sanity checks.
231
232   $installbin		|| die "No installbin directory in config.sh\n";
233-d $installbin	        || mkpath($installbin);
234-d $installbin		|| $opts{notify} || die "$installbin is not a directory\n";
235
236if (!$Is_NetWare) {
237if (!$Is_VMS) {
238-x 'perl' . $exe_ext	|| die "perl isn't executable!\n";
239}
240else {
241-x $ndbg . 'perl' . $exe_ext	|| die "${ndbg}perl$exe_ext isn't executable!\n";
242    if ($dbg) {
243        -x $dbg . 'perl' . $exe_ext	|| die "${dbg}perl$exe_ext isn't executable!\n";
244    }
245}
246
247#-f 't/rantests'		|| $Is_W32
248#			|| warn "WARNING: You've never run 'make test' or",
249#				" some tests failed! (Installing anyway.)\n";
250} #if (!$Is_NetWare)
251
252# This will be used to store the packlist
253$packlist = ExtUtils::Packlist->new("$installarchlib/.packlist");
254
255if (($Is_W32 and ! $Is_NetWare) or $Is_Cygwin) {
256    my $perldll;
257
258    if ($Is_Cygwin) {
259	$perldll = $libperl;
260    } else {
261	$perldll = 'perl5'.$Config{patchlevel}.'.'.$so;
262    }
263
264    if ($dlsrc ne "dl_none.xs") {
265	-f $perldll || die "No perl DLL built\n";
266    }
267
268    # Install the DLL
269    safe_unlink("$installbin/$perldll");
270    copy("$perldll", "$installbin/$perldll");
271    chmod(0755, "$installbin/$perldll");
272    $packlist->{"$Config{installbin}/$perldll"} = { type => 'file' };
273} # if (($Is_W32 and ! $Is_NetWare) or $Is_Cygwin)
274
275# Get the install command and flags from the environment
276my @installcmd = $ENV{"INSTALL"} || "install";
277push(@installcmd, $ENV{"INSTALL_COPY"} || "-c");
278
279# First we install the version-numbered executables.
280
281if ($Is_VMS) {
282    safe_unlink("$installbin/perl_setup.com");
283    copy("perl_setup.com", "$installbin/perl_setup.com");
284    chmod(0755, "$installbin/perl_setup.com");
285    safe_unlink("$installbin/$dbg$perl$exe_ext");
286    copy("$dbg$perl$exe_ext", "$installbin/$dbg$perl$exe_ext");
287    chmod(0755, "$installbin/$dbg$perl$exe_ext");
288    safe_unlink("$installbin/$dbg${perl}shr$exe_ext");
289    copy("$dbg${perl}shr$exe_ext", "$installbin/$dbg${perl}shr$exe_ext");
290    chmod(0755, "$installbin/$dbg${perl}shr$exe_ext");
291    if ($ndbg) {
292        safe_unlink("$installbin/$ndbg$perl$exe_ext");
293        copy("$ndbg$perl$exe_ext", "$installbin/$ndbg$perl$exe_ext");
294        chmod(0755, "$installbin/$ndbg$perl$exe_ext");
295	safe_unlink("$installbin/${dbg}a2p$exe_ext");
296	copy("x2p/${dbg}a2p$exe_ext", "$installbin/${dbg}a2p$exe_ext");
297	chmod(0755, "$installbin/${dbg}a2p$exe_ext");
298    }
299}
300elsif ($^O ne 'dos') {
301    if (!$Is_NetWare) {
302	install("perl$exe_ext", "$installbin/$perl_verbase$ver$exe_ext", "0755");
303    }
304    else {
305	# If installing onto a NetWare server
306        if ($opts{netware}) {
307	    # Copy perl.nlm, echo.nlm, type.nlm, a2p.nlm & cgi2perl.nlm
308            mkpath($Config{installnwsystem});
309	    copy("netware\\".$ENV{'MAKE_TYPE'}."\\perl.nlm", $Config{installnwsystem});
310	    copy("netware\\testnlm\\echo\\echo.nlm", $Config{installnwsystem});
311	    copy("netware\\testnlm\\type\\type.nlm", $Config{installnwsystem});
312	    copy("x2p\\a2p.nlm", $Config{installnwsystem});
313	    chmod(0755, "$Config{installnwsystem}\\perl.nlm");
314            mkpath($Config{installnwlcgi});
315	    copy("lib\\auto\\cgi2perl\\cgi2perl.nlm", $Config{installnwlcgi});
316	}
317    } #if (!$Is_NetWare)
318}
319else {
320    safe_unlink("$installbin/$perl.exe");
321    copy("perl.exe", "$installbin/$perl.exe");
322}
323
324# Install library files.
325
326my $do_installarchlib = !samepath($installarchlib, 'lib');
327my $do_installprivlib = !samepath($installprivlib, 'lib');
328my $vershort = ($Is_Cygwin and !$Config{usedevel}) ? substr($ver,0,-2) : $ver;
329$do_installprivlib = 0 if $versiononly && !($installprivlib =~ m/\Q$vershort/);
330
331mkpath($installprivlib);
332mkpath($installarchlib);
333mkpath($installsitelib, $opts{verbose}, 0777) if ($installsitelib);
334mkpath($installsitearch, $opts{verbose}, 0777) if ($installsitearch);
335
336if (-d 'lib') {
337    find({no_chdir => 1, wanted => \&installlib}, 'lib')
338        if $do_installarchlib || $do_installprivlib;
339}
340else {
341    warn "Can't install lib files - 'lib/' does not exist";
342}
343
344# Install header files and libraries.
345mkpath("$installarchlib/CORE");
346my @corefiles;
347if ($Is_VMS) {  # We did core file selection during build
348    my $coredir = "lib/$Config{archname}/$ver/CORE";
349    $coredir =~ tr/./_/;
350    map { s|^$coredir/||i; } @corefiles = <$coredir/*.*>;
351}
352elsif ($Is_Cygwin) { # On Cygwin symlink it to CORE to make Makefile happy
353    @corefiles = <*.h libperl*.* perl*$Config{lib_ext}>;
354    my $coredll = "$installarchlib/CORE/$libperl";
355    my $instcoredll = "$Config{installarchlib}/CORE/$libperl";
356    safe_unlink($coredll);
357    ( $Config{'d_link'} eq 'define' &&
358      eval {
359          CORE::link("$installbin/$libperl", $coredll);
360          $packlist->{$instcoredll} = { from => "$Config{installbin}/$libperl",
361                                    type => 'link' };
362      }
363    ) ||
364    eval {
365        symlink("$installbin/$libperl", $coredll);
366        $packlist->{$instcoredll} = { from => "$Config{installbin}/$libperl",
367                                  type => 'link' };
368    } ||
369    ( copy("$installbin/$libperl", $coredll) &&
370      push(@corefiles, $instcoredll)
371    )
372} else {
373    # [als] hard-coded 'libperl' name... not good!
374    #@corefiles = <*.h libperl*.* perl*$Config{lib_ext}>;
375    @corefiles = <*.h *.inc perl*$Config{lib_ext}>;
376    push(@corefiles,<libperl*.*>) unless defined($ENV{"NOLIBINSTALL"});
377
378    # AIX needs perl.exp installed as well.
379    push(@corefiles,'perl.exp') if $^O eq 'aix';
380}
381foreach my $file (@corefiles) {
382    # HP-UX (at least) needs to maintain execute permissions
383    # on dynamically-loadable libraries. So we do it for all.
384    if (copy_if_diff($file,"$installarchlib/CORE/$file")) {
385	if ($file =~ /\.(\Q$so\E|\Q$dlext\E)$/) {
386	    strip("-S", "$installarchlib/CORE/$file") if $^O eq 'darwin';
387	    chmod(0555, "$installarchlib/CORE/$file");
388	} else {
389	    chmod(0444, "$installarchlib/CORE/$file");
390	}
391    }
392}
393
394# Install main perl executables
395# Make links to ordinary names if installbin directory isn't current directory.
396
397if (! $versiononly && ! samepath($installbin, '.') && ($^O ne 'dos') && ! $Is_VMS && ! $Is_NetWare) {
398    safe_unlink("$installbin/$perl$exe_ext", "$installbin/suid$perl$exe_ext");
399    if ($^O eq 'vos') {
400	# VOS doesn't support hard links, so use a symlink.
401	symlink("$installbin/$perl_verbase$ver$exe_ext",
402		"$installbin/$perl$exe_ext");
403    } else {
404	link("$installbin/$perl_verbase$ver$exe_ext",
405		"$installbin/$perl$exe_ext");
406    }
407}
408
409# For development purposes it can be very useful to have multiple perls
410# build for different "architectures" (eg threading or not) simultaneously.
411if ($opts{archname} && ! samepath($installbin, '.') && ($^O ne 'dos') && ! $Is_VMS) {
412    my $archperl = "$perl_verbase$ver-$Config{archname}$exe_ext";
413    safe_unlink("$installbin/$archperl");
414    if ($^O eq 'vos') {
415	# VOS doesn't support hard links, so use a symlink.
416	symlink("$installbin/$perl_verbase$ver$exe_ext",
417		"$installbin/$archperl");
418    } else {
419	link("$installbin/$perl_verbase$ver$exe_ext", "$installbin/$archperl");
420    }
421}
422
423# Offer to install perl in a "standard" location
424
425my $mainperl_is_instperl = 0;
426
427if ($Config{installusrbinperl} && $Config{installusrbinperl} eq 'define' &&
428    !$versiononly && !$opts{notify} && !$Is_W32 && !$Is_NetWare && !$Is_VMS && -t STDIN && -t STDERR
429	&& -w $mainperldir && ! samepath($mainperldir, $installbin)) {
430    my($usrbinperl)	= "$mainperldir/$perl$exe_ext";
431    my($instperl)	= "$installbin/$perl$exe_ext";
432    my($expinstperl)	= "$binexp/$perl$exe_ext";
433
434    # First make sure $usrbinperl is not already the same as the perl we
435    # just installed.
436    if (-x $usrbinperl) {
437	# Try to be clever about mainperl being a symbolic link
438	# to binexp/perl if binexp and installbin are different.
439	$mainperl_is_instperl =
440	    samepath($usrbinperl, $instperl) ||
441	    samepath($usrbinperl, $expinstperl) ||
442	     (($binexp ne $installbin) &&
443	      (-l $usrbinperl) &&
444	      ((readlink $usrbinperl) eq $expinstperl));
445    }
446    if (! $mainperl_is_instperl) {
447	unlink($usrbinperl);
448	( $Config{'d_link'} eq 'define' &&
449	  eval { CORE::link $instperl, $usrbinperl } )	||
450	eval { symlink $expinstperl, $usrbinperl }	||
451	copy($instperl, $usrbinperl);
452
453	$mainperl_is_instperl = 1;
454    }
455}
456
457# Make links to ordinary names if installbin directory isn't current directory.
458if (!$Is_NetWare && $dbg eq '') {
459    if (! samepath($installbin, 'x2p')) {
460	my $base = 'a2p';
461	$base .= $ver if $versiononly;
462	safe_unlink("$installbin/$base$exe_ext");
463	copy("x2p/a2p$exe_ext", "$installbin/$base$exe_ext");
464	strip("$installbin/$base$exe_ext");
465	chmod(0755, "$installbin/$base$exe_ext");
466    }
467}
468
469# cppstdin is just a script, but it is architecture-dependent, so
470# it can't safely be shared.  Place it in $installbin.
471# Note that Configure doesn't build cppstin if it isn't needed, so
472# we skip this if cppstdin doesn't exist.
473if (! $versiononly && (-f 'cppstdin') && (! samepath($installbin, '.'))) {
474    safe_unlink("$installbin/cppstdin");
475    copy("cppstdin", "$installbin/cppstdin");
476    chmod(0755, "$installbin/cppstdin");
477}
478
479sub script_alias {
480    my ($installscript, $orig, $alias, $scr_ext) = @_;
481
482    safe_unlink("$installscript/$alias$scr_ext");
483    if ($^O eq 'dos' or $Is_VMS or $^O eq 'transit') {
484	copy("$installscript/$orig$scr_ext",
485	     "$installscript/$alias$scr_ext");
486    } elsif ($^O eq 'vos') {
487	symlink("$installscript/$orig$scr_ext",
488		"$installscript/$alias$scr_ext");
489    } else {
490	link("$installscript/$orig$scr_ext",
491	     "$installscript/$alias$scr_ext");
492    }
493}
494
495# Install scripts.
496mkpath($installscript);
497if ($versiononly) {
498    for (@scripts) {
499	(my $base = $_) =~ s#.*/##;
500	$base .= $ver;
501	copy($_,    "$installscript/$base");
502	chmod(0755, "$installscript/$base");
503    }
504
505    for (@tolink) {
506	my ($from, $to) = map { "$_$ver" } @$_;
507	(my $frbase = $from) =~ s#.*/##;
508	(my $tobase = $to) =~ s#.*/##;
509	script_alias($installscript, $frbase, $tobase, $scr_ext);
510    }
511} else {
512    for (@scripts) {
513	(my $base = $_) =~ s#.*/##;
514	copy($_, "$installscript/$base");
515	chmod(0755, "$installscript/$base");
516    }
517
518    for (@tolink) {
519	my ($from, $to) = @$_;
520	(my $frbase = $from) =~ s#.*/##;
521	(my $tobase = $to) =~ s#.*/##;
522	script_alias($installscript, $frbase, $tobase, $scr_ext);
523    }
524}
525
526# Install pod pages.  Where? I guess in $installprivlib/pod
527# ($installprivlib/pods for cygwin).
528if (!$opts{nopods} && (!$versiononly || ($installprivlib =~ m/\Q$vershort/))) {
529    my $pod = ($Is_Cygwin || $Is_Darwin || $Is_VMS || $Is_W32) ? 'pods' : 'pod';
530    mkpath("${installprivlib}/$pod");
531
532    for (map {$_->[1]} @{get_pod_metadata()->{master}}) {
533	# $_ is a name like  pod/perl.pod
534	(my $base = $_) =~ s#.*/##;
535	copy_if_diff($_, "${installprivlib}/$pod/${base}");
536	chmod(0644, "${installprivlib}/$pod/${base}");
537    }
538
539}
540
541# Check to make sure there aren't other perls around in installer's
542# path.  This is probably UNIX-specific.  Check all absolute directories
543# in the path except for where public executables are supposed to live.
544# Also skip $mainperl if the user opted to have it be a link to the
545# installed perl.
546
547if (!$versiononly && !$opts{'skip-otherperls'}) {
548    my ($path, @path);
549    my $dirsep = ($Is_OS2 || $Is_W32 || $Is_NetWare) ? ';' : ':' ;
550    ($path = $ENV{"PATH"}) =~ s:\\:/:g ;
551    @path = split(/$dirsep/, $path);
552    if ($Is_VMS) {
553	my $i = 0;
554	while (exists $ENV{'DCL$PATH' . $i}) {
555	    my $dir = unixpath($ENV{'DCL$PATH' . $i});  $dir =~ s-/$--;
556	    push(@path,$dir);
557	}
558    }
559    my @otherperls;
560    my %otherperls;
561    for (@path) {
562	next unless m,^/,;
563	# Use &samepath here because some systems have other dirs linked
564	# to $mainperldir (like SunOS)
565	next unless -d;
566	next if samepath($_, $binexp);
567	next if samepath($_, cwd());
568	next if ($mainperl_is_instperl && samepath($_, $mainperldir));
569	my $otherperl = "$_/$perl$exe_ext";
570	next if $otherperls{$otherperl}++;
571	push(@otherperls, $otherperl)
572	    if (-x $otherperl && ! -d $otherperl);
573    }
574    if (@otherperls) {
575	warn "\nWarning: $perl appears in your path in the following " .
576	    "locations beyond where\nwe just installed it:\n";
577	for (@otherperls) {
578	    warn "    ", $_, "\n";
579	}
580	warn "\n";
581    }
582
583}
584
585$packlist->write() unless $opts{notify};
586print "  Installation complete\n" if $opts{verbose};
587
588exit 0;
589
590###############################################################################
591
592# If these are needed elsewhere, move them into install_lib.pl rather than
593# copying them.
594
595sub yn {
596    my($prompt) = @_;
597    my($answer);
598    my($default) = $prompt =~ m/\[([yn])\]\s*$/i;
599    print STDERR $prompt;
600    chop($answer = <STDIN>);
601    $answer = $default if $answer =~ m/^\s*$/;
602    ($answer =~ m/^[yY]/);
603}
604
605sub safe_unlink {
606    return if $opts{notify} or $Is_VMS;
607    my @names = @_;
608    foreach my $name (@names) {
609	next unless -e $name;
610	chmod 0777, $name if ($Is_OS2 || $Is_W32 || $Is_NetWare);
611	print "  unlink $name\n" if $opts{verbose};
612	next if CORE::unlink($name);
613	warn "Couldn't unlink $name: $!\n";
614	if ($! =~ /busy/i) {
615	    print "  mv $name $name.old\n" if $opts{verbose};
616	    safe_rename($name, "$name.old")
617		or warn "Couldn't rename $name: $!\n";
618	}
619    }
620}
621
622sub copy {
623    my($from,$to) = @_;
624
625    my $xto = $to;
626    $xto =~ s/^\Q$opts{destdir}\E//;
627    print $opts{verbose} ? "  cp $from $xto\n" : "  $xto\n"
628	unless $opts{silent};
629    print "  creating new version of $xto\n"
630	if $Is_VMS and -e $to and !$opts{silent};
631    unless ($opts{notify} or File::Copy::copy($from, $to)) {
632	# Might have been that F::C::c can't overwrite the target
633	warn "Couldn't copy $from to $to: $!\n"
634	    unless -f $to and (chmod(0666, $to), unlink $to)
635		   and File::Copy::copy($from, $to);
636    }
637    $packlist->{$xto} = { type => 'file' };
638}
639
640sub install {
641    my($from,$to,$mode) = @_;
642
643    my $xto = $to;
644    my $cmd = join(' ', @installcmd);
645    $cmd .= " -m $mode" if $mode;
646    $cmd .= " -s" if $opts{strip};
647    $cmd .= " $from $to";
648    $xto =~ s/^\Q$opts{destdir}\E// if $opts{destdir};
649    print $opts{verbose} ? "  install $from $xto\n" : "  $xto\n" unless $opts{silent};
650    system($cmd);
651    warn "Couldn't $cmd\n" if $?;
652    $packlist->{$xto} = { type => 'file' };
653}
654
655sub installlib {
656    my $dir = $File::Find::dir;
657    $dir =~ s!\Alib/?!!;
658
659    m!([^/]+)\z!;
660    my $name = $1;
661
662    # This remains ugly, and in need of refactoring.
663
664    # $name always starts as the leafname
665    # $dir is the directory *within* lib
666    # $name later has $dir pre-pended, to give the relative path in lib/
667    # which is used to create the path in the target directory.
668
669    # $_ was always the filename to use on disk. Adding no_chdir doesn't change
670    # this, as $_ becomes a pathname, and so still works. However, it's not
671    # obvious that $_ is needed later, and hence $_ must not be modified.
672
673    # Also, many of the regex exclusion tests below are now superfluous, as the
674    # files in question are either no longer in blead, or now in ext/, dist/ or
675    # cpan/ and not copied into lib/
676
677    # Ignore version control directories.
678    if ($name =~ /^(?:CVS|RCS|SCCS|\.svn)\z/ and -d $name) {
679	$File::Find::prune = 1;
680	return;
681    }
682
683    # ignore patch backups, RCS files, emacs backup & temp files and the
684    # .exists files, .PL files, and test files.
685    return if $name =~ m{\.orig$|\.rej$|~$|^#.+#$|,v$|^\.exists|\.PL$|\.plc$|\.t$|^test\.pl$|^dbm_filter_util\.pl$|^filter-util\.pl$|^uupacktool\.pl$|^\.gitignore$} ||
686	      $dir  =~ m{/t(?:/|$)};
687    # ignore the cpan script in lib/CPAN/bin, the instmodsh and xsubpp
688    # scripts in lib/ExtUtils, the prove script in lib/Test/Harness,
689    # the corelist script from lib/Module/CoreList/bin and ptar* in
690    # lib/Archive/Tar/bin, the config_data script in lib/Module/Build/scripts
691    # and zipdetails in cpan/IO-Compress/bin
692    # (they're installed later with other utils)
693    return if $name =~ /^(?:cpan|instmodsh|prove|corelist|ptar|ptardiff|ptargrep|config_data|zipdetails)\z/;
694    # ignore the Makefiles
695    return if $name =~ /^makefile$/i;
696    # ignore the test extensions
697    return if $dir =~ m{\bXS/(?:APItest|Typemap)\b};
698    return if $name =~ m{\b(?:APItest|Typemap)\.pm$};
699    # ignore the build support code
700    return if $name =~ /\bbuildcustomize\.pl$/;
701    # ignore the demo files
702    return if $dir =~ /\b(?:demos?|eg)\b/;
703    # ignore unneeded unicore files
704    if ( $dir =~ /^unicore/ ) {
705      if ( $name =~ /\.txt\z/ ) {
706        # We can ignore most, but not all .txt files
707        return unless $name =~ /\A(?:Blocks|SpecialCasing|NamedSequences)\.txt\z/;
708      }
709      else {
710        # TestProp only needed during testing
711        return if $name =~ /\ATestProp.pl\z/;
712        # we need version and *.pl files and can skip the rest
713        return unless $name =~ /\A(?:version|\w+\.p[lm])\z/;
714      }
715    }
716
717    # ignore READMEs, MANIFESTs, INSTALL docs, META.ymls and change logs.
718    # Changes.e2x and README.e2x are needed by enc2xs.
719    return if $name =~ m{^(?:README(?:\.\w+)?)$} && $name ne 'README.e2x';
720    return if $name =~ m{^(?:MANIFEST|META\.yml)$};
721    return if $name =~ m{^(?:INSTALL|TODO|BUGS|CREDITS)$}i;
722    return if $name =~ m{^change(?:s|log)(?:\.libnet)?$}i;
723    return if $name =~ m{^(?:SIGNATURE|PAUSE200\d\.pub)$}; # CPAN files
724    return if $name =~ m{^(?:NOTES|PATCHING)$}; # ExtUtils files
725
726    # if using a shared perl library then ignore:
727    # - static library files [of statically linked extensions];
728    # - import library files and export library files (only present on Win32
729    #   anyway?) and empty bootstrap files [of dynamically linked extensions].
730    return if $Config{useshrplib} eq 'true' and
731             ($name =~ /$Config{_a}$/ or $name =~ /\.exp$/ or ($name =~ /\.bs$/ and -z $name));
732
733    $name = "$dir/$name" if $dir ne '';
734
735    # ignore pods that are stand alone documentation from dual life modules.
736    return if /\.pod\z/ && is_duplicate_pod($_);
737
738    return if $name eq 'ExtUtils/XSSymSet.pm' and !$Is_VMS;
739
740    my $installlib = $installprivlib;
741    if ($dir =~ /^auto\// ||
742	  ($name =~ /^(.*)\.(?:pm|pod)$/ && $archpms{$1}) ||
743	  ($name =~ /^(.*)\.(?:h|lib)$/i && ($Is_W32 || $Is_NetWare)) ||
744	  $name=~/^Config_(heavy|git)\.pl\z/
745       ) {
746	$installlib = $installarchlib;
747	return unless $do_installarchlib;
748    } else {
749	return unless $do_installprivlib;
750    }
751
752    if ($name eq 'Config_heavy.pl') {
753        open my $ifh, '<', $_ or die $!;
754        $_ = "$_.orig";
755        open my $ofh, '>', $_ or die $!;
756        while (my $l = <$ifh>) {
757            $l =~ s,^(ccflags|cppflags)[^=]*='[^']+,$& -I/usr/local/include,;
758            $l =~ s,^(ldflags|lddlflags)[^=]*='[^']+,$& -L/usr/local/lib,;
759            print $ofh $l;
760        }
761        close $ifh;
762        close $ofh;
763    }
764
765    if ($Is_NetWare && !$opts{netware} && /\.(?:nlp|nlm|bs)$/) {
766        # Don't copy .nlp,.nlm files, doesn't make sense on Windows and also
767        # if copied will give problems when building new extensions.
768        # Has to be copied if we are installing on a NetWare server and
769        # hence the check !$opts{netware}
770        return;
771    }
772
773    if (-f $_) {
774	my $xname = "$installlib/$name";
775	$xname =~ s/^\Q$opts{destdir}\E//;
776	$packlist->{$xname} = { type => 'file' };
777        if ($opts{force} || compare($_, "$installlib/$name") || $opts{notify}) {
778	    unlink("$installlib/$name");
779	    mkpath("$installlib/$dir");
780	    # HP-UX (at least) needs to maintain execute permissions
781	    # on dynamically-loaded libraries.
782            if (copy_if_diff($_, "$installlib/$name")) {
783                strip("-S", "$installlib/$name")
784                    if $^O eq 'darwin' and /\.(?:so|$dlext|a)$/;
785                chmod(/\.(so|$dlext)$/ ? 0555 : 0444, "$installlib/$name");
786            }
787	}
788    }
789}
790
791# Copy $from to $to, only if $from is different than $to.
792# Also preserve modification times for .a libraries.
793# On some systems, if you do
794#   ranlib libperl.a
795#   cp libperl.a /usr/local/lib/perl5/archlib/CORE/libperl.a
796# and then try to link against the installed libperl.a, you might
797# get an error message to the effect that the symbol table is older
798# than the library.
799# Return true if copying occurred.
800
801sub copy_if_diff {
802    my($from,$to)=@_;
803    return 1 if (($^O eq 'VMS') && (-d $from));
804    my $xto = $to;
805    $xto =~ s/^\Q$opts{destdir}\E//;
806    my $perlpodbadsymlink;
807    if ($from =~ m!^pod/perl[\w-]+\.pod$! &&
808	-l $from &&
809	! -e $from) {
810	# Some Linux implementations have problems traversing over
811	# multiple symlinks (when going over NFS?) and fail to read
812	# the symlink target.  Combine this with the fact that some
813	# of the pod files (the perl$OS.pod) are symlinks (to ../README.$OS),
814	# and you end up with those pods not getting installed.
815	$perlpodbadsymlink = 1;
816    }
817    -f $from || $perlpodbadsymlink || warn "$0: $from not found";
818    $packlist->{$xto} = { type => 'file' };
819    if ($opts{force} || compare($from, $to) || $opts{notify}) {
820	safe_unlink($to);   # In case we don't have write permissions.
821	if ($perlpodbadsymlink && $from =~ m!^pod/perl(.+)\.pod$!) {
822	    $from = "README.$1";
823	}
824	copy($from, $to);
825	# Restore timestamps if it's a .a library or for OS/2.
826	if (!$opts{notify} && ($Is_OS2 || $to =~ /\.a$/)) {
827	    my ($atime, $mtime) = (stat $from)[8,9];
828	    utime $atime, $mtime, $to;
829	}
830	1;
831    }
832}
833
834sub strip
835{
836    my(@args) = @_;
837
838    return unless $opts{strip};
839
840    my @opts;
841    while (@args && $args[0] =~ /^(-\w+)$/) {
842	push @opts, shift @args;
843    }
844
845    foreach my $file (@args) {
846	if (-f $file) {
847	    if ($opts{verbose}) {
848		print "  strip " . join(' ', @opts);
849		print " " if (@opts);
850		print "$file\n";
851	    }
852	    system("strip", @opts, $file);
853	} else {
854	    print "# file '$file' skipped\n" if $opts{verbose};
855	}
856    }
857}
858
859# Local variables:
860# cperl-indent-level: 4
861# indent-tabs-mode: nil
862# End:
863#
864# ex: set ts=8 sts=4 sw=4 et:
865