This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
intuit @INC pathnames from exe location only if dll location
[perl5.git] / installperl
CommitLineData
c623bd54 1#!./perl
68dc0745
PP
2
3BEGIN {
c90c0ff4 4 require 5.004;
d07c2202 5 chdir '..' if !-d 'lib' and -d '..\lib';
68dc0745
PP
6 @INC = 'lib';
7 $ENV{PERL5LIB} = 'lib';
17f28c40
CB
8 $Is_VMS = $^O eq 'VMS';
9 if ($Is_VMS) { eval 'use VMS::Filespec;' }
68dc0745
PP
10}
11
a0d0e21e 12use File::Find;
5f05dabc 13use File::Compare;
68dc0745 14use File::Copy ();
0ecb046b 15use File::Path ();
354f3b56 16use ExtUtils::Packlist;
4633a7c4 17use Config;
91a06757 18use subs qw(unlink link chmod);
354f3b56 19use vars qw($packlist);
c623bd54 20
0ecb046b 21# override the ones in the rest of the script
68dc0745
PP
22sub mkpath {
23 File::Path::mkpath(@_) unless $nonono;
0ecb046b 24}
25
bee1dbe2 26$mainperldir = "/usr/bin";
39add537 27$exe_ext = $Config{exe_ext};
bee1dbe2 28
6ee623d5
GS
29# Allow ``make install PERLNAME=something_besides_perl'':
30$perl = defined($ENV{PERLNAME}) ? $ENV{PERLNAME} : 'perl';
31
c623bd54
LW
32while (@ARGV) {
33 $nonono = 1 if $ARGV[0] eq '-n';
34 $versiononly = 1 if $ARGV[0] eq '-v';
35 shift;
36}
37
17f28c40 38umask 022 unless $Is_VMS;
45d8adaa 39
1fef88e7 40@scripts = qw( utils/c2ph utils/h2ph utils/h2xs
6ee623d5
GS
41 utils/perlbug utils/perldoc utils/pl2pm utils/splain utils/perlcc
42 x2p/s2p x2p/find2perl
dd6decf0 43 pod/pod2man pod/pod2html pod/pod2latex pod/pod2text);
16d20bd9 44
17f28c40
CB
45if ($Is_VMS) { @scripts = map { "$_.Com" } @scripts; }
46
16d20bd9 47@pods = (<pod/*.pod>);
c623bd54 48
38b8243a
GS
49%archpms = (
50 Config => 1, FileHandle => 1, overload => 1,
51 'File/Basename' => 1, # uses m//t
52);
39e571d4
ML
53
54if ($^O eq 'dos') {
55 push(@scripts,'djgpp/fixpmain');
56 $archpms{config} = $archpms{filehand} = 1;
57}
58
6ee623d5
GS
59if ((-e "testcompile") && (defined($ENV{'COMPILE'})))
60{
61 push(@scripts, map("$_.exe", @scripts));
62}
63
1dd15ed4
CS
64find(sub {
65 if ("$File::Find::dir/$_" =~ m{^ext/[^/]+/(.*)\.pm$}) {
66 (my $pm = $1) =~ s{^lib/}{};
67 $archpms{$pm} = 1;
68 }
69 }, 'ext');
70
748a9306 71$ver = $];
4633a7c4 72$release = substr($ver,0,3); # Not used presently.
bee1dbe2 73$patchlevel = substr($ver,3,2);
748a9306 74die "Patchlevel of perl ($patchlevel)",
4633a7c4
LW
75 "and patchlevel of config.sh ($Config{'PATCHLEVEL'}) don't match\n"
76 if $patchlevel != $Config{'PATCHLEVEL'};
77
78# Fetch some frequently-used items from %Config
79$installbin = $Config{installbin};
80$installscript = $Config{installscript};
81$installprivlib = $Config{installprivlib};
82$installarchlib = $Config{installarchlib};
83$installsitelib = $Config{installsitelib};
84$installsitearch = $Config{installsitearch};
85$installman1dir = $Config{installman1dir};
86$man1ext = $Config{man1ext};
15792f64 87$libperl = $Config{libperl};
4633a7c4
LW
88# Shared library and dynamic loading suffixes.
89$so = $Config{so};
90$dlext = $Config{dlext};
91
92$d_dosuid = $Config{d_dosuid};
93$binexp = $Config{binexp};
c623bd54 94
17f28c40
CB
95if ($Is_VMS) { # Hang in there until File::Spec hits the big time
96 foreach ( \$installbin, \$installscript, \$installprivlib,
97 \$installarchlib, \$installsitelib, \$installsitearch,
98 \$installman1dir ) {
99 $$_ = unixify($$_); $$_ =~ s:/$::;
100 }
101}
102
c623bd54
LW
103# Do some quick sanity checks.
104
105if ($d_dosuid && $>) { die "You must run as root to install suidperl\n"; }
106
fe14fcc3 107 $installbin || die "No installbin directory in config.sh\n";
fcbdbaa8 108-d $installbin || mkpath($installbin, 1, 0777);
0ecb046b 109-d $installbin || $nonono || die "$installbin is not a directory\n";
110-w $installbin || $nonono || die "$installbin is not writable by you\n"
3edbfbe5 111 unless $installbin =~ m#^/afs/# || $nonono;
c623bd54 112
39add537
PP
113-x 'perl' . $exe_ext || die "perl isn't executable!\n";
114-x 'suidperl' . $exe_ext|| die "suidperl isn't executable!\n" if $d_dosuid;
c623bd54 115
d07c2202
GS
116-x 't/TEST' || $^O eq 'MSWin32'
117 || warn "WARNING: You've never run 'make test'!!!",
118 " (Installing anyway.)\n";
c623bd54 119
eef1cf2a
GS
120if ($^O eq 'MSWin32') {
121
f7a92b15
DL
122$perldll = 'perl.' . $dlext;
123$perldll = 'perlcore.' . $dlext if $Config{'ccflags'} =~ /PERL_OBJECT/i;
124
125-f $perldll || die "No perl DLL built\n";
eef1cf2a
GS
126
127# Install the DLL
128
f7a92b15
DL
129safe_unlink("$installbin/$perldll");
130copy("$perldll", "$installbin/$perldll");
131chmod(0755, "$installbin/$perldll");
eef1cf2a
GS
132}
133
354f3b56
AB
134# This will be used to store the packlist
135$packlist = ExtUtils::Packlist->new("$installarchlib/.packlist");
136
c623bd54
LW
137# First we install the version-numbered executables.
138
17f28c40 139if ($Is_VMS) {
6ee623d5
GS
140 safe_unlink("$installbin/$perl$exe_ext");
141 copy("perl$exe_ext", "$installbin/$perl$exe_ext");
142 chmod(0755, "$installbin/$perl$exe_ext");
143 safe_unlink("$installbin/${perl}shr$exe_ext");
144 copy("perlshr$exe_ext", "$installbin/${perl}shr$exe_ext");
145 chmod(0755, "$installbin/${perl}shr$exe_ext");
17f28c40
CB
146}
147elsif ($^O ne 'dos') {
6ee623d5
GS
148 safe_unlink("$installbin/$perl$ver$exe_ext");
149 copy("perl$exe_ext", "$installbin/$perl$ver$exe_ext");
150 chmod(0755, "$installbin/$perl$ver$exe_ext");
39e571d4 151} else {
6ee623d5
GS
152 safe_unlink("$installbin/$perl.exe");
153 copy("perl.exe", "$installbin/$perl.exe");
39e571d4 154}
c623bd54 155
6ee623d5 156safe_unlink("$installbin/s$perl$ver$exe_ext");
c623bd54 157if ($d_dosuid) {
6ee623d5
GS
158 copy("suidperl$exe_ext", "$installbin/s$perl$ver$exe_ext");
159 chmod(04711, "$installbin/s$perl$ver$exe_ext");
c623bd54
LW
160}
161
45d8adaa
LW
162# Install library files.
163
a0d0e21e
LW
164$do_installarchlib = $do_installprivlib = 0;
165
fcbdbaa8
PP
166mkpath($installprivlib, 1, 0777);
167mkpath($installarchlib, 1, 0777);
168mkpath($installsitelib, 1, 0777) if ($installsitelib);
169mkpath($installsitearch, 1, 0777) if ($installsitearch);
4633a7c4 170
45d8adaa 171if (chdir "lib") {
68dc0745
PP
172 $do_installarchlib = ! samepath($installarchlib, '.');
173 $do_installprivlib = ! samepath($installprivlib, '.');
b971f6e4 174 $do_installprivlib = 0 if $versiononly && !($installprivlib =~ m/\Q$]/);
45d8adaa 175
a0d0e21e
LW
176 if ($do_installarchlib || $do_installprivlib) {
177 find(\&installlib, '.');
45d8adaa
LW
178 }
179 chdir ".." || die "Can't cd back to source directory: $!\n";
180}
181else {
182 warn "Can't cd to lib to install lib files: $!\n";
183}
184
1aef975c 185# Install header files and libraries.
fcbdbaa8 186mkpath("$installarchlib/CORE", 1, 0777);
17f28c40
CB
187if ($Is_VMS) { # We did core file selection during build
188 my $coredir = "lib/$Config{'arch'}/$]";
189 $coredir =~ tr/./_/;
190 @corefiles = <$coredir/*.*>;
191}
192else {
193 @corefiles = <*.h libperl*.*>;
194 # AIX needs perl.exp installed as well.
195 push(@corefiles,'perl.exp') if $^O eq 'aix';
196 # If they have built sperl.o...
197 push(@corefiles,'sperl.o') if -f 'sperl.o';
198}
340f689c 199foreach $file (@corefiles) {
aa3cf465 200 # HP-UX (at least) needs to maintain execute permissions
efc5ad56 201 # on dynamically-loadable libraries. So we do it for all.
68dc0745 202 copy_if_diff($file,"$installarchlib/CORE/$file")
efc5ad56 203 and chmod($file =~ /\.(so|\Q$dlext\E)$/ ? 0555 : 0444,
aa3cf465 204 "$installarchlib/CORE/$file");
340f689c 205}
3edbfbe5 206
156620fa
NA
207# Install main perl executables
208# Make links to ordinary names if installbin directory isn't current directory.
209
17f28c40 210if (! $versiononly && ! samepath($installbin, '.') && ($^O ne 'dos') && ! $Is_VMS) {
6ee623d5
GS
211 safe_unlink("$installbin/$perl$exe_ext", "$installbin/suid$perl$exe_ext");
212 link("$installbin/$perl$ver$exe_ext", "$installbin/$perl$exe_ext");
213 link("$installbin/s$perl$ver$exe_ext", "$installbin/suid$perl$exe_ext")
156620fa
NA
214 if $d_dosuid;
215}
216
a0d0e21e
LW
217# Offer to install perl in a "standard" location
218
a0d0e21e
LW
219$mainperl_is_instperl = 0;
220
17f28c40 221if (!$versiononly && !$nonono && $^O ne 'MSWin32' && !$Is_VMS && -t STDIN && -t STDERR
68dc0745 222 && -w $mainperldir && ! samepath($mainperldir, $installbin)) {
6ee623d5
GS
223 local($usrbinperl) = "$mainperldir/$perl$exe_ext";
224 local($instperl) = "$installbin/$perl$exe_ext";
225 local($expinstperl) = "$binexp/$perl$exe_ext";
55497cff
PP
226
227 # First make sure $usrbinperl is not already the same as the perl we
228 # just installed.
229 if (-x $usrbinperl) {
a0d0e21e
LW
230 # Try to be clever about mainperl being a symbolic link
231 # to binexp/perl if binexp and installbin are different.
232 $mainperl_is_instperl =
68dc0745
PP
233 samepath($usrbinperl, $instperl) ||
234 samepath($usrbinperl, $expinstperl) ||
a0d0e21e 235 (($binexp ne $installbin) &&
55497cff
PP
236 (-l $usrbinperl) &&
237 ((readlink $usrbinperl) eq $expinstperl));
a0d0e21e
LW
238 }
239 if ((! $mainperl_is_instperl) &&
68dc0745 240 (yn("Many scripts expect perl to be installed as $usrbinperl.\n" .
55497cff
PP
241 "Do you wish to have $usrbinperl be the same as\n" .
242 "$expinstperl? [y] ")))
a0d0e21e 243 {
55497cff
PP
244 unlink($usrbinperl);
245 eval { CORE::link $instperl, $usrbinperl } ||
246 eval { symlink $expinstperl, $usrbinperl } ||
68dc0745 247 copy($instperl, $usrbinperl);
a0d0e21e
LW
248 $mainperl_is_instperl = 1;
249 }
250}
251
b971f6e4
PP
252# Make links to ordinary names if installbin directory isn't current directory.
253
68dc0745
PP
254if (!$versiononly && ! samepath($installbin, 'x2p')) {
255 safe_unlink("$installbin/a2p$exe_ext");
256 copy("x2p/a2p$exe_ext", "$installbin/a2p$exe_ext");
257 chmod(0755, "$installbin/a2p$exe_ext");
b971f6e4
PP
258}
259
260# cppstdin is just a script, but it is architecture-dependent, so
261# it can't safely be shared. Place it in $installbin.
262# Note that Configure doesn't build cppstin if it isn't needed, so
263# we skip this if cppstdin doesn't exist.
68dc0745
PP
264if (! $versiononly && (-f 'cppstdin') && (! samepath($installbin, '.'))) {
265 safe_unlink("$installbin/cppstdin");
266 copy("cppstdin", "$installbin/cppstdin");
267 chmod(0755, "$installbin/cppstdin");
b971f6e4
PP
268}
269
270# Install scripts.
271
272mkpath($installscript, 1, 0777);
273
274if (! $versiononly) {
275 for (@scripts) {
68dc0745
PP
276 (my $base = $_) =~ s#.*/##;
277 copy($_, "$installscript/$base");
278 chmod(0755, "$installscript/$base");
b971f6e4
PP
279 }
280}
281
282# pstruct should be a link to c2ph
283
284if (! $versiononly) {
17f28c40
CB
285 safe_unlink("$installscript/pstruct" . ($Is_VMS ? '.Com' : ''));
286 if ($^O eq 'dos' or $Is_VMS) {
287 copy("$installscript/c2ph" . ($Is_VMS ? '.Com' : ''),
288 "$installscript/pstruct" . ($Is_VMS ? '.Com' : ''));
39e571d4
ML
289 } else {
290 link("$installscript/c2ph","$installscript/pstruct");
291 }
b971f6e4
PP
292}
293
294# Install pod pages. Where? I guess in $installprivlib/pod.
295
68dc0745 296if (! $versiononly || !($installprivlib =~ m/\Q$]/)) {
b971f6e4 297 mkpath("${installprivlib}/pod", 1, 0777);
91a06757
CS
298
299 # If Perl 5.003's perldiag.pod is there, rename it.
300 if (open POD, "${installprivlib}/pod/perldiag.pod") {
301 read POD, $_, 4000;
302 close POD;
303 # Some of Perl 5.003's diagnostic messages ended with periods.
304 if (/^=.*\.$/m) {
305 my ($from, $to) = ("${installprivlib}/pod/perldiag.pod",
306 "${installprivlib}/pod/perldiag-5.003.pod");
307 print STDERR " rename $from $to";
308 rename($from, $to)
309 or warn "Couldn't rename $from to $to: $!\n"
310 unless $nonono;
311 }
312 }
313
b971f6e4
PP
314 foreach $file (@pods) {
315 # $file is a name like pod/perl.pod
68dc0745 316 copy_if_diff($file, "${installprivlib}/${file}");
b971f6e4 317 }
91a06757
CS
318
319 # Link perldiag.pod into archlib
320 my ($from, $to) = ("${installprivlib}/pod/perldiag.pod",
321 "${installarchlib}/pod/perldiag.pod");
354f3b56 322 $packlist->{$to} = { from => $from, type => 'link' };
91a06757
CS
323 if (compare($from, $to) || $nonono) {
324 mkpath("${installarchlib}/pod", 1, 0777);
a3b6010a 325 unlink($to);
39e571d4 326 link($from, $to) if ($^O ne 'dos');
91a06757 327 }
b971f6e4
PP
328}
329
a0d0e21e
LW
330# Check to make sure there aren't other perls around in installer's
331# path. This is probably UNIX-specific. Check all absolute directories
332# in the path except for where public executables are supposed to live.
333# Also skip $mainperl if the user opted to have it be a link to the
334# installed perl.
335
b971f6e4
PP
336if (!$versiononly) {
337
eef1cf2a 338 $dirsep = ($^O eq 'os2' || $^O eq 'MSWin32') ? ';' : ':' ;
b971f6e4
PP
339 ($path = $ENV{"PATH"}) =~ s:\\:/:g ;
340 @path = split(/$dirsep/, $path);
17f28c40
CB
341 if ($Is_VMS) {
342 my $i = 0;
343 while (exists $ENV{'DCL$PATH' . $i}) {
344 $dir = unixpath($ENV{'DCL$PATH' . $i}); $dir =~ s-/$--;
345 push(@path,$dir);
346 }
347 }
b971f6e4
PP
348 @otherperls = ();
349 for (@path) {
350 next unless m,^/,;
351 # Use &samepath here because some systems have other dirs linked
352 # to $mainperldir (like SunOS)
68dc0745
PP
353 next if samepath($_, $binexp);
354 next if ($mainperl_is_instperl && samepath($_, $mainperldir));
6ee623d5
GS
355 push(@otherperls, "$_/$perl$exe_ext")
356 if (-x "$_/$perl$exe_ext" && ! -d "$_/$perl$exe_ext");
b971f6e4
PP
357 }
358 if (@otherperls) {
6ee623d5 359 print STDERR "\nWarning: $perl appears in your path in the following " .
b971f6e4
PP
360 "locations beyond where\nwe just installed it:\n";
361 for (@otherperls) {
362 print STDERR " ", $_, "\n";
363 }
364 print STDERR "\n";
a0d0e21e 365 }
b971f6e4 366
a0d0e21e
LW
367}
368
354f3b56 369$packlist->write() unless $nono;
c623bd54
LW
370print STDERR " Installation complete\n";
371
372exit 0;
373
374###############################################################################
375
a0d0e21e
LW
376sub yn {
377 local($prompt) = @_;
378 local($answer);
379 local($default) = $prompt =~ m/\[([yn])\]\s*$/i;
380 print STDERR $prompt;
381 chop($answer = <STDIN>);
382 $answer = $default if $answer =~ m/^\s*$/;
383 ($answer =~ m/^[yY]/);
384}
385
c623bd54
LW
386sub unlink {
387 local(@names) = @_;
39add537 388 my($cnt) = 0;
c623bd54 389
17f28c40
CB
390 return scalar(@names) if $Is_VMS;
391
c623bd54
LW
392 foreach $name (@names) {
393 next unless -e $name;
eef1cf2a 394 chmod 0777, $name if ($^O eq 'os2' || $^O eq 'MSWin32');
c623bd54 395 print STDERR " unlink $name\n";
39add537
PP
396 ( CORE::unlink($name) and ++$cnt
397 or warn "Couldn't unlink $name: $!\n" ) unless $nonono;
c623bd54 398 }
39add537 399 return $cnt;
c623bd54
LW
400}
401
e50aee73 402sub safe_unlink {
17f28c40 403 return if $nonono or $Is_VMS;
68dc0745 404 local @names = @_;
e50aee73
AD
405 foreach $name (@names) {
406 next unless -e $name;
eef1cf2a 407 chmod 0777, $name if ($^O eq 'os2' || $^O eq 'MSWin32');
39add537
PP
408 print STDERR " unlink $name\n";
409 next if CORE::unlink($name);
e50aee73
AD
410 warn "Couldn't unlink $name: $!\n";
411 if ($! =~ /busy/i) {
412 print STDERR " mv $name $name.old\n";
68dc0745
PP
413 safe_rename($name, "$name.old")
414 or warn "Couldn't rename $name: $!\n";
e50aee73
AD
415 }
416 }
417}
418
68dc0745 419sub safe_rename {
e50aee73 420 local($from,$to) = @_;
39add537 421 if (-f $to and not unlink($to)) {
e50aee73
AD
422 my($i);
423 for ($i = 1; $i < 50; $i++) {
91a06757 424 last if rename($to, "$to.$i");
e50aee73 425 }
39add537
PP
426 warn("Cannot rename to `$to.$i': $!"), return 0
427 if $i >= 50; # Give up!
e50aee73
AD
428 }
429 link($from,$to) || return 0;
430 unlink($from);
431}
432
c623bd54 433sub link {
15792f64
PP
434 my($from,$to) = @_;
435 my($success) = 0;
c623bd54
LW
436
437 print STDERR " ln $from $to\n";
39add537 438 eval {
68dc0745
PP
439 CORE::link($from, $to)
440 ? $success++
7bac28a0
PP
441 : ($from =~ m#^/afs/# || $to =~ m#^/afs/#)
442 ? die "AFS" # okay inside eval {}
443 : warn "Couldn't link $from to $to: $!\n"
68dc0745 444 unless $nonono;
354f3b56 445 $packlist->{$to} = { from => $from, type => 'link' };
39add537
PP
446 };
447 if ($@) {
17f28c40 448 print STDERR " creating new version of $to\n" if $Is_VMS and -e $to;
68dc0745
PP
449 File::Copy::copy($from, $to)
450 ? $success++
451 : warn "Couldn't copy $from to $to: $!\n"
452 unless $nonono;
354f3b56 453 $packlist->{$to} = { type => 'file' };
39add537 454 }
15792f64 455 $success;
c623bd54
LW
456}
457
458sub chmod {
459 local($mode,$name) = @_;
460
39e571d4 461 return if ($^O eq 'dos');
c623bd54 462 printf STDERR " chmod %o %s\n", $mode, $name;
68dc0745
PP
463 CORE::chmod($mode,$name)
464 || warn sprintf("Couldn't chmod %o %s: $!\n", $mode, $name)
465 unless $nonono;
466}
467
468sub copy {
469 my($from,$to) = @_;
470
471 print STDERR " cp $from $to\n";
17f28c40 472 print STDERR " creating new version of $to\n" if $Is_VMS and -e $to;
68dc0745
PP
473 File::Copy::copy($from, $to)
474 || warn "Couldn't copy $from to $to: $!\n"
475 unless $nonono;
354f3b56 476 $packlist->{$to} = { type => 'file' };
c623bd54
LW
477}
478
a0d0e21e
LW
479sub samepath {
480 local($p1, $p2) = @_;
eef1cf2a
GS
481
482 return (lc($p1) eq lc($p2)) if ($^O eq 'MSWin32');
a0d0e21e 483
75f92628 484 if ($p1 ne $p2) {
eef1cf2a 485 local($dev1, $ino1, $dev2, $ino2);
a0d0e21e
LW
486 ($dev1, $ino1) = stat($p1);
487 ($dev2, $ino2) = stat($p2);
488 ($dev1 == $dev2 && $ino1 == $ino2);
489 }
490 else {
491 1;
492 }
493}
494
495sub installlib {
496 my $dir = $File::Find::dir;
497 $dir =~ s#^\.(?![^/])/?##;
0ecb046b 498 local($depth) = $dir ? "lib/$dir" : "lib";
a0d0e21e
LW
499
500 my $name = $_;
efc5ad56
TB
501
502 if ($name eq 'CVS' && -d $name) {
503 $File::Find::prune = 1;
504 return;
505 }
e50aee73
AD
506
507 # ignore patch backups and the .exists files.
508 return if $name =~ m{\.orig$|~$|^\.exists};
509
a0d0e21e
LW
510 $name = "$dir/$name" if $dir ne '';
511
512 my $installlib = $installprivlib;
1dd15ed4 513 if ($dir =~ /^auto/ ||
eef1cf2a
GS
514 ($name =~ /^(.*)\.(?:pm|pod)$/ && $archpms{$1}) ||
515 ($name =~ /^(.*)\.(?:h|lib)$/i && $^O eq 'MSWin32')
516 ) {
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517 $installlib = $installarchlib;
518 return unless $do_installarchlib;
519 } else {
520 return unless $do_installprivlib;
521 }
522
a0d0e21e 523 if (-f $_) {
5cc330c8 524 if (/\.(?:al|ix)$/ && !($dir =~ m[^auto/(.*)$] && $archpms{$1})) {
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525 $installlib = $installprivlib;
526 #We're installing *.al and *.ix files into $installprivlib,
527 #but we have to delete old *.al and *.ix files from the 5.000
528 #distribution:
75f92628 529 #This might not work because $archname might have changed.
68dc0745 530 unlink("$installarchlib/$name");
3edbfbe5 531 }
354f3b56 532 $packlist->{"$installlib/$name"} = { type => 'file' };
5f05dabc 533 if (compare($_, "$installlib/$name") || $nonono) {
68dc0745 534 unlink("$installlib/$name");
fcbdbaa8 535 mkpath("$installlib/$dir", 1, 0777);
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536 # HP-UX (at least) needs to maintain execute permissions
537 # on dynamically-loaded libraries.
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538 copy_if_diff($_, "$installlib/$name")
539 and chmod($name =~ /\.(so|$dlext)$/o ? 0555 : 0444,
aa3cf465 540 "$installlib/$name");
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541 }
542 } elsif (-d $_) {
fcbdbaa8 543 mkpath("$installlib/$name", 1, 0777);
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544 }
545}
3edbfbe5 546
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547# Copy $from to $to, only if $from is different than $to.
548# Also preserve modification times for .a libraries.
549# On some systems, if you do
550# ranlib libperl.a
551# cp libperl.a /usr/local/lib/perl5/archlib/CORE/libperl.a
552# and then try to link against the installed libperl.a, you might
553# get an error message to the effect that the symbol table is older
554# than the library.
aa3cf465 555# Return true if copying occurred.
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556
557sub copy_if_diff {
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558 my($from,$to)=@_;
559 -f $from || die "$0: $from not found";
354f3b56 560 $packlist->{$to} = { type => 'file' };
5f05dabc 561 if (compare($from, $to) || $nonono) {
68dc0745 562 safe_unlink($to); # In case we don't have write permissions.
0ecb046b 563 if ($nonono) {
564 $from = $depth . "/" . $from if $depth;
565 }
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566 copy($from, $to);
567 # Restore timestamps if it's a .a library or for OS/2.
568 if (!$nonono && ($^O eq 'os2' || $to =~ /\.a$/)) {
569 my ($atime, $mtime) = (stat $from)[8,9];
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570 utime $atime, $mtime, $to;
571 }
aa3cf465 572 1;
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573 }
574}