xref: /openbsd-src/gnu/usr.bin/perl/installperl (revision 62a742911104f98b9185b2c6b6007d9b1c36396c) 
1#!./perl
2#	$OpenBSD: installperl,v 1.6 1997/07/24 21:18:44 kstailey Exp $
3#
4# This is hacked up, in order to support DESTDIR and INSTALL_STRIP.
5#
6
7BEGIN {
8    require 5.004;
9    @INC = 'lib';
10    $ENV{PERL5LIB} = 'lib';
11}
12
13use File::Find;
14use File::Compare;
15use File::Copy ();
16use File::Path ();
17use Config;
18use subs qw(unlink link chmod cmd);
19
20# override the ones in the rest of the script
21sub mkpath {
22    File::Path::mkpath(@_) unless $nonono;
23}
24
25$mainperldir = "/usr/bin";
26$exe_ext = $Config{exe_ext};
27
28while (@ARGV) {
29    $nonono = 1 if $ARGV[0] eq '-n';
30    $versiononly = 1 if $ARGV[0] eq '-v';
31    shift;
32}
33
34umask 022;
35
36@scripts = qw(	utils/c2ph utils/h2ph utils/h2xs
37		utils/perlbug utils/perldoc utils/pl2pm utils/splain
38		x2p/s2p x2p/find2perl
39		pod/pod2man pod/pod2html pod/pod2latex pod/pod2text);
40
41@pods = (<pod/*.pod>);
42
43%archpms = (Config => 1, FileHandle => 1, overload => 1);
44find(sub {
45	if ("$File::Find::dir/$_" =~ m{^ext/[^/]+/(.*)\.pm$}) {
46	    (my $pm = $1) =~ s{^lib/}{};
47	    $archpms{$pm} = 1;
48	}
49    }, 'ext');
50
51$ver = $];
52$release = substr($ver,0,3);   # Not used presently.
53$patchlevel = substr($ver,3,2);
54die "Patchlevel of perl ($patchlevel)",
55    "and patchlevel of config.sh ($Config{'PATCHLEVEL'}) don't match\n"
56	if $patchlevel != $Config{'PATCHLEVEL'};
57
58$installdest = $ENV{"DESTDIR"};
59$installdest =~ s:/+$::;
60if ($installdest ne '') {
61    # Fetch some frequently-used items from %Config, prefixing with DESTDIR.
62    $installbin = "$installdest/$Config{installbin}";
63    $installscript = "$installdest/$Config{installscript}";
64    $installprivlib = "$installdest/$Config{installprivlib}";
65    $installarchlib = "$installdest/$Config{installarchlib}";
66    $installsitelib = "$installdest/$Config{installsitelib}";
67    $installsitearch = "$installdest/$Config{installsitearch}";
68    $installman1dir = "$installdest/$Config{installman1dir}";
69    # Also whack $mainperldir.
70    $mainperldir = "$installdest/$mainperldir";
71} else {
72    # Fetch some frequently-used items from %Config
73    $installbin = $Config{installbin};
74    $installscript = $Config{installscript};
75    $installprivlib = $Config{installprivlib};
76    $installarchlib = $Config{installarchlib};
77    $installsitelib = $Config{installsitelib};
78    $installsitearch = $Config{installsitearch};
79    $installman1dir = $Config{installman1dir};
80}
81
82$man1ext = $Config{man1ext};
83$libperl = $Config{libperl};
84# Shared library and dynamic loading suffixes.
85$so = $Config{so};
86$dlext = $Config{dlext};
87
88$d_dosuid = $Config{d_dosuid};
89$binexp = $Config{binexp};
90
91# Do some quick sanity checks.
92
93if ($d_dosuid && $>) { die "You must run as root to install suidperl\n"; }
94
95   $installbin		|| die "No installbin directory in config.sh\n";
96-d $installbin		|| mkpath($installbin, 1, 0777);
97-d $installbin		|| $nonono || die "$installbin is not a directory\n";
98-w $installbin		|| $nonono || die "$installbin is not writable by you\n"
99	unless $installbin =~ m#^/afs/# || $nonono;
100
101-x 'perl' . $exe_ext	|| die "perl isn't executable!\n";
102-x 'suidperl' . $exe_ext|| die "suidperl isn't executable!\n" if $d_dosuid;
103
104-x 't/TEST'		|| warn "WARNING: You've never run 'make test'!!!",
105	"  (Installing anyway.)\n";
106
107# First we install the version-numbered executables.
108
109if (defined($ENV{"INSTALL"})) {
110    $installcmd = $ENV{"INSTALL"}
111	. " " . $ENV{"INSTALL_COPY"}
112	. " " . $ENV{"INSTALL_STRIP"};
113} else {
114    $installcmd = "cp";
115}
116
117safe_unlink("$installbin/perl$ver$exe_ext");
118cmd("$installcmd perl$exe_ext $installbin/perl$ver$exe_ext");
119#copy("perl$exe_ext", "$installbin/perl$ver$exe_ext");
120chmod(0755, "$installbin/perl$ver$exe_ext");
121
122safe_unlink("$installbin/sperl$ver$exe_ext");
123if ($d_dosuid) {
124    cmd("$installcmd suidperl$exe_ext $installbin/sperl$ver$exe_ext");
125    #copy("suidperl$exe_ext", "$installbin/sperl$ver$exe_ext");
126    chmod(04711, "$installbin/sperl$ver$exe_ext");
127}
128
129# Install library files.
130
131$do_installarchlib = $do_installprivlib = 0;
132
133mkpath($installprivlib, 1, 0777);
134mkpath($installarchlib, 1, 0777);
135mkpath($installsitelib, 1, 0777) if ($installsitelib);
136mkpath($installsitearch, 1, 0777) if ($installsitearch);
137
138if (chdir "lib") {
139    $do_installarchlib = ! samepath($installarchlib, '.');
140    $do_installprivlib = ! samepath($installprivlib, '.');
141    $do_installprivlib = 0 if $versiononly && !($installprivlib =~ m/\Q$]/);
142
143    if ($do_installarchlib || $do_installprivlib) {
144	find(\&installlib, '.');
145    }
146    chdir ".." || die "Can't cd back to source directory: $!\n";
147}
148else {
149    warn "Can't cd to lib to install lib files: $!\n";
150}
151
152# Install header files and libraries.
153mkpath("$installarchlib/CORE", 1, 0777);
154@corefiles = <*.h libperl*.*>;
155# AIX needs perl.exp installed as well.
156push(@corefiles,'perl.exp') if $^O eq 'aix';
157# If they have built sperl.o...
158push(@corefiles,'sperl.o') if -f 'sperl.o';
159foreach $file (@corefiles) {
160    # HP-UX (at least) needs to maintain execute permissions
161    # on dynamically-loadable libraries. So we do it for all.
162    copy_if_diff($file,"$installarchlib/CORE/$file")
163	and chmod($file =~ /\.(so|\Q$dlext\E)$/ ? 0555 : 0444,
164		   "$installarchlib/CORE/$file");
165}
166
167# Offer to install perl in a "standard" location
168
169$mainperl_is_instperl = 0;
170
171if (!$versiononly && !$nonono && -t STDIN && -t STDERR
172	&& -w $mainperldir && ! samepath($mainperldir, $installbin)) {
173    local($usrbinperl)	= "$mainperldir/perl$exe_ext";
174    local($instperl)	= "$installbin/perl$exe_ext";
175    local($expinstperl)	= "$binexp/perl$exe_ext";
176
177    # First make sure $usrbinperl is not already the same as the perl we
178    # just installed.
179    if (-x $usrbinperl) {
180	# Try to be clever about mainperl being a symbolic link
181	# to binexp/perl if binexp and installbin are different.
182	$mainperl_is_instperl =
183	    samepath($usrbinperl, $instperl) ||
184	    samepath($usrbinperl, $expinstperl) ||
185	     (($binexp ne $installbin) &&
186	      (-l $usrbinperl) &&
187	      ((readlink $usrbinperl) eq $expinstperl));
188    }
189    if ((! $mainperl_is_instperl) &&
190	(yn("Many scripts expect perl to be installed as $usrbinperl.\n" .
191	     "Do you wish to have $usrbinperl be the same as\n" .
192	     "$expinstperl? [y] ")))
193    {
194	unlink($usrbinperl);
195	eval { CORE::link $instperl, $usrbinperl } ||
196	    eval { symlink $expinstperl, $usrbinperl } ||
197		copy($instperl, $usrbinperl);
198	$mainperl_is_instperl = 1;
199    }
200}
201
202# Make links to ordinary names if installbin directory isn't current directory.
203
204if (! $versiononly && ! samepath($installbin, '.')) {
205    safe_unlink("$installbin/perl$exe_ext", "$installbin/suidperl$exe_ext");
206    link("$installbin/perl$ver$exe_ext", "$installbin/perl$exe_ext");
207    link("$installbin/sperl$ver$exe_ext", "$installbin/suidperl$exe_ext")
208      if $d_dosuid;
209}
210
211if (!$versiononly && ! samepath($installbin, 'x2p')) {
212    safe_unlink("$installbin/a2p$exe_ext");
213    copy("x2p/a2p$exe_ext", "$installbin/a2p$exe_ext");
214    chmod(0755, "$installbin/a2p$exe_ext");
215}
216
217# cppstdin is just a script, but it is architecture-dependent, so
218# it can't safely be shared.  Place it in $installbin.
219# Note that Configure doesn't build cppstin if it isn't needed, so
220# we skip this if cppstdin doesn't exist.
221if (! $versiononly && (-f 'cppstdin') && (! samepath($installbin, '.'))) {
222    safe_unlink("$installbin/cppstdin");
223    copy("cppstdin", "$installbin/cppstdin");
224    chmod(0755, "$installbin/cppstdin");
225}
226
227# Install scripts.
228
229mkpath($installscript, 1, 0777);
230
231if (! $versiononly) {
232    for (@scripts) {
233	(my $base = $_) =~ s#.*/##;
234	copy($_, "$installscript/$base");
235	chmod(0755, "$installscript/$base");
236    }
237}
238
239# pstruct should be a link to c2ph
240
241if (! $versiononly) {
242    safe_unlink("$installscript/pstruct");
243    link("$installscript/c2ph","$installscript/pstruct");
244}
245
246# Install pod pages.  Where? I guess in $installprivlib/pod.
247
248if (! $versiononly || !($installprivlib =~ m/\Q$]/)) {
249    mkpath("${installprivlib}/pod", 1, 0777);
250
251    # If Perl 5.003's perldiag.pod is there, rename it.
252    if (open POD, "${installprivlib}/pod/perldiag.pod") {
253	read POD, $_, 4000;
254	close POD;
255	# Some of Perl 5.003's diagnostic messages ended with periods.
256	if (/^=.*\.$/m) {
257	    my ($from, $to) = ("${installprivlib}/pod/perldiag.pod",
258			       "${installprivlib}/pod/perldiag-5.003.pod");
259	    print STDERR "  rename $from $to";
260	    rename($from, $to)
261		or warn "Couldn't rename $from to $to: $!\n"
262		unless $nonono;
263	}
264    }
265
266    foreach $file (@pods) {
267	# $file is a name like  pod/perl.pod
268	copy_if_diff($file, "${installprivlib}/${file}");
269    }
270
271    # Link perldiag.pod into archlib
272    my ($from, $to) = ("${installprivlib}/pod/perldiag.pod",
273		       "${installarchlib}/pod/perldiag.pod");
274    if (compare($from, $to) || $nonono) {
275	mkpath("${installarchlib}/pod", 1, 0777);
276	unlink($to);
277	link($from, $to);
278    }
279}
280
281# Check to make sure there aren't other perls around in installer's
282# path.  This is probably UNIX-specific.  Check all absolute directories
283# in the path except for where public executables are supposed to live.
284# Also skip $mainperl if the user opted to have it be a link to the
285# installed perl.
286
287if (!$versiononly) {
288
289    $dirsep = ($^O eq 'os2') ? ';' : ':' ;
290    ($path = $ENV{"PATH"}) =~ s:\\:/:g ;
291    @path = split(/$dirsep/, $path);
292    @otherperls = ();
293    for (@path) {
294	next unless m,^/,;
295	# Use &samepath here because some systems have other dirs linked
296	# to $mainperldir (like SunOS)
297	next if samepath($_, $binexp);
298	next if ($mainperl_is_instperl && samepath($_, $mainperldir));
299	push(@otherperls, "$_/perl$exe_ext")
300	    if (-x "$_/perl$exe_ext" && ! -d "$_/perl$exe_ext");
301    }
302    if (@otherperls) {
303	print STDERR "\nWarning: perl appears in your path in the following " .
304	    "locations beyond where\nwe just installed it:\n";
305	for (@otherperls) {
306	    print STDERR "    ", $_, "\n";
307	}
308	print STDERR "\n";
309    }
310
311}
312
313print STDERR "  Installation complete\n";
314
315exit 0;
316
317###############################################################################
318
319sub yn {
320    local($prompt) = @_;
321    local($answer);
322    local($default) = $prompt =~ m/\[([yn])\]\s*$/i;
323    print STDERR $prompt;
324    chop($answer = <STDIN>);
325    $answer = $default if $answer =~ m/^\s*$/;
326    ($answer =~ m/^[yY]/);
327}
328
329sub unlink {
330    local(@names) = @_;
331    my($cnt) = 0;
332
333    foreach $name (@names) {
334	next unless -e $name;
335	chmod 0777, $name if $^O eq 'os2';
336	print STDERR "  unlink $name\n";
337	( CORE::unlink($name) and ++$cnt
338	  or warn "Couldn't unlink $name: $!\n" ) unless $nonono;
339    }
340    return $cnt;
341}
342
343sub safe_unlink {
344    return if $nonono;
345    local @names = @_;
346    foreach $name (@names) {
347	next unless -e $name;
348	chmod 0777, $name if $^O eq 'os2';
349	print STDERR "  unlink $name\n";
350	next if CORE::unlink($name);
351	warn "Couldn't unlink $name: $!\n";
352	if ($! =~ /busy/i) {
353	    print STDERR "  mv $name $name.old\n";
354	    safe_rename($name, "$name.old")
355		or warn "Couldn't rename $name: $!\n";
356	}
357    }
358}
359
360sub safe_rename {
361    local($from,$to) = @_;
362    if (-f $to and not unlink($to)) {
363	my($i);
364	for ($i = 1; $i < 50; $i++) {
365	    last if rename($to, "$to.$i");
366	}
367	warn("Cannot rename to `$to.$i': $!"), return 0
368	   if $i >= 50;	# Give up!
369    }
370    link($from,$to) || return 0;
371    unlink($from);
372}
373
374sub link {
375    my($from,$to) = @_;
376    my($success) = 0;
377
378    print STDERR "  ln $from $to\n";
379    eval {
380	CORE::link($from, $to)
381	    ? $success++
382	    : ($from =~ m#^/afs/# || $to =~ m#^/afs/#)
383	      ? die "AFS"  # okay inside eval {}
384	      : warn "Couldn't link $from to $to: $!\n"
385	  unless $nonono;
386    };
387    if ($@) {
388	File::Copy::copy($from, $to)
389	    ? $success++
390	    : warn "Couldn't copy $from to $to: $!\n"
391	  unless $nonono;
392    }
393    $success;
394}
395
396sub cmd {
397    my($cmd) = @_;
398    print STDERR "  $cmd\n";
399    unless ($nonono) {
400	system $cmd;
401	warn "Command failed!!!\n" if $?;
402    }
403}
404
405sub chmod {
406    local($mode,$name) = @_;
407
408    printf STDERR "  chmod %o %s\n", $mode, $name;
409    CORE::chmod($mode,$name)
410	|| warn sprintf("Couldn't chmod %o %s: $!\n", $mode, $name)
411      unless $nonono;
412}
413
414sub copy {
415    my($from,$to) = @_;
416
417    print STDERR "  cp $from $to\n";
418    File::Copy::copy($from, $to)
419	|| warn "Couldn't copy $from to $to: $!\n"
420      unless $nonono;
421}
422
423sub samepath {
424    local($p1, $p2) = @_;
425    local($dev1, $ino1, $dev2, $ino2);
426
427    if ($p1 ne $p2) {
428	($dev1, $ino1) = stat($p1);
429	($dev2, $ino2) = stat($p2);
430	($dev1 == $dev2 && $ino1 == $ino2);
431    }
432    else {
433	1;
434    }
435}
436
437sub installlib {
438    my $dir = $File::Find::dir;
439    $dir =~ s#^\.(?![^/])/?##;
440    local($depth) = $dir ? "lib/$dir" : "lib";
441
442    my $name = $_;
443
444    if ($name eq 'CVS' && -d $name) {
445	$File::Find::prune = 1;
446	return;
447    }
448
449    # ignore patch backups and the .exists files.
450    return if $name =~ m{\.orig$|~$|^\.exists};
451
452    $name = "$dir/$name" if $dir ne '';
453
454    my $installlib = $installprivlib;
455    if ($dir =~ /^auto/ ||
456	  ($name =~ /^(.*)\.(?:pm|pod)$/ && $archpms{$1})) {
457        $installlib = $installarchlib;
458	return unless $do_installarchlib;
459    } else {
460	return unless $do_installprivlib;
461    }
462
463    if (-f $_) {
464	if (/\.(?:al|ix)$/ && !($dir =~ m[^auto/(.*)$] && $archpms{$1})) {
465	    $installlib = $installprivlib;
466	    #We're installing *.al and *.ix files into $installprivlib,
467	    #but we have to delete old *.al and *.ix files from the 5.000
468	    #distribution:
469	    #This might not work because $archname might have changed.
470	    unlink("$installarchlib/$name");
471	}
472	if (compare($_, "$installlib/$name") || $nonono) {
473	    unlink("$installlib/$name");
474	    mkpath("$installlib/$dir", 1, 0777);
475	    # HP-UX (at least) needs to maintain execute permissions
476	    # on dynamically-loaded libraries.
477	    copy_if_diff($_, "$installlib/$name")
478		and chmod($name =~ /\.(so|$dlext)$/o ? 0555 : 0444,
479			   "$installlib/$name");
480	}
481    } elsif (-d $_) {
482	mkpath("$installlib/$name", 1, 0777);
483    }
484}
485
486# Copy $from to $to, only if $from is different than $to.
487# Also preserve modification times for .a libraries.
488# On some systems, if you do
489#   ranlib libperl.a
490#   cp libperl.a /usr/local/lib/perl5/archlib/CORE/libperl.a
491# and then try to link against the installed libperl.a, you might
492# get an error message to the effect that the symbol table is older
493# than the library.
494# Return true if copying occurred.
495
496sub copy_if_diff {
497    my($from,$to)=@_;
498    -f $from || die "$0: $from not found";
499    if (compare($from, $to) || $nonono) {
500	safe_unlink($to);   # In case we don't have write permissions.
501        if ($nonono) {
502            $from = $depth . "/" . $from if $depth;
503        }
504	copy($from, $to);
505	# Restore timestamps if it's a .a library or for OS/2.
506	if (!$nonono && ($^O eq 'os2' || $to =~ /\.a$/)) {
507	    my ($atime, $mtime) = (stat $from)[8,9];
508	    utime $atime, $mtime, $to;
509	}
510	1;
511    }
512}
513