#!./perl
+BEGIN {
+ require 5.004;
+ chdir '..' if !-d 'lib' and -d '..\lib';
+ @INC = 'lib';
+ $ENV{PERL5LIB} = 'lib';
+ $Is_VMS = $^O eq 'VMS';
+ if ($Is_VMS) { eval 'use VMS::Filespec;' }
+}
+
+use File::Find;
+use File::Compare;
+use File::Copy ();
+use File::Path ();
+use ExtUtils::Packlist;
+use Config;
+use subs qw(unlink link chmod);
+use vars qw($packlist);
+
+# override the ones in the rest of the script
+sub mkpath {
+ File::Path::mkpath(@_) unless $nonono;
+}
+
$mainperldir = "/usr/bin";
+$exe_ext = $Config{exe_ext};
while (@ARGV) {
$nonono = 1 if $ARGV[0] eq '-n';
shift;
}
-umask 022;
+umask 022 unless $Is_VMS;
-@scripts = ('cppstdin', 'h2ph', 'c2ph', 'pstruct', 'x2p/s2p', 'x2p/find2perl');
-@manpages = ('perl.man', 'h2ph.man', 'x2p/a2p.man', 'x2p/s2p.man');
+@scripts = qw( utils/c2ph utils/h2ph utils/h2xs
+ utils/perlbug utils/perldoc utils/pl2pm utils/splain
+ x2p/s2p x2p/find2perl
+ pod/pod2man pod/pod2html pod/pod2latex pod/pod2text);
-# Read in the config file.
+if ($Is_VMS) { @scripts = map { "$_.Com" } @scripts; }
-open(CONFIG, "config.sh") || die "You haven't run Configure yet!\n";
-while (<CONFIG>) {
- if (s/^(\w+=)/\$$1/) {
- $accum =~ s/'undef'/undef/g;
- eval $accum;
- $accum = '';
- }
- $accum .= $_;
-}
-close CONFIG;
+@pods = (<pod/*.pod>);
-open(PERL_C, "perl.c");
-while (<PERL_C>) {
- last if /Revision:/;
+%archpms = (Config => 1, FileHandle => 1, overload => 1);
+
+if ($^O eq 'dos') {
+ push(@scripts,'djgpp/fixpmain');
+ $archpms{config} = $archpms{filehand} = 1;
}
-close PERL_C;
-s/.*Revision: //;
-$major = $_ + 0;
-$ver = sprintf("%5.3f", $major + $PATCHLEVEL / 1000);
-$release = substr($ver,0,3);
+find(sub {
+ if ("$File::Find::dir/$_" =~ m{^ext/[^/]+/(.*)\.pm$}) {
+ (my $pm = $1) =~ s{^lib/}{};
+ $archpms{$pm} = 1;
+ }
+ }, 'ext');
+
+$ver = $];
+$release = substr($ver,0,3); # Not used presently.
$patchlevel = substr($ver,3,2);
+die "Patchlevel of perl ($patchlevel)",
+ "and patchlevel of config.sh ($Config{'PATCHLEVEL'}) don't match\n"
+ if $patchlevel != $Config{'PATCHLEVEL'};
+
+# Fetch some frequently-used items from %Config
+$installbin = $Config{installbin};
+$installscript = $Config{installscript};
+$installprivlib = $Config{installprivlib};
+$installarchlib = $Config{installarchlib};
+$installsitelib = $Config{installsitelib};
+$installsitearch = $Config{installsitearch};
+$installman1dir = $Config{installman1dir};
+$man1ext = $Config{man1ext};
+$libperl = $Config{libperl};
+# Shared library and dynamic loading suffixes.
+$so = $Config{so};
+$dlext = $Config{dlext};
+
+$d_dosuid = $Config{d_dosuid};
+$binexp = $Config{binexp};
+
+if ($Is_VMS) { # Hang in there until File::Spec hits the big time
+ foreach ( \$installbin, \$installscript, \$installprivlib,
+ \$installarchlib, \$installsitelib, \$installsitearch,
+ \$installman1dir ) {
+ $$_ = unixify($$_); $$_ =~ s:/$::;
+ }
+}
# Do some quick sanity checks.
if ($d_dosuid && $>) { die "You must run as root to install suidperl\n"; }
$installbin || die "No installbin directory in config.sh\n";
--d $installbin || die "$installbin is not a directory\n";
--w $installbin || die "$installbin is not writable by you\n"
- unless $installbin =~ m#^/afs/#;
+-d $installbin || mkpath($installbin, 1, 0777);
+-d $installbin || $nonono || die "$installbin is not a directory\n";
+-w $installbin || $nonono || die "$installbin is not writable by you\n"
+ unless $installbin =~ m#^/afs/# || $nonono;
--x 'perl' || die "perl isn't executable!\n";
--x 'taintperl' || die "taintperl isn't executable!\n";
--x 'suidperl' || die "suidperl isn't executable!\n" if $d_dosuid;
+-x 'perl' . $exe_ext || die "perl isn't executable!\n";
+-x 'suidperl' . $exe_ext|| die "suidperl isn't executable!\n" if $d_dosuid;
--x 't/TEST' || warn "WARNING: You've never run 'make test'!!!",
- " (Installing anyway.)\n";
+-x 't/TEST' || $^O eq 'MSWin32'
+ || warn "WARNING: You've never run 'make test'!!!",
+ " (Installing anyway.)\n";
-# First we install the version-numbered executables.
+if ($^O eq 'MSWin32') {
-&unlink("$installbin/perl$ver");
-&cmd("cp perl $installbin/perl$ver");
+-f 'perl.' . $dlext || die "No perl DLL built\n";
-&unlink("$installbin/tperl$ver");
-&cmd("cp taintperl $installbin/tperl$ver");
-&chmod(0755, "$installbin/tperl$ver"); # force non-suid for security
+# Install the DLL
-&unlink("$installbin/sperl$ver");
+safe_unlink("$installbin/perl.$dlext");
+copy("perl.$dlext", "$installbin/perl.$dlext");
+chmod(0755, "$installbin/perl.$dlext");
+}
+
+# This will be used to store the packlist
+$packlist = ExtUtils::Packlist->new("$installarchlib/.packlist");
+
+# First we install the version-numbered executables.
+
+if ($Is_VMS) {
+ safe_unlink("$installbin/perl$exe_ext");
+ copy("perl$exe_ext", "$installbin/perl$exe_ext");
+ chmod(0755, "$installbin/perl$exe_ext");
+ safe_unlink("$installbin/perlshr$exe_ext");
+ copy("perlshr$exe_ext", "$installbin/perlshr$exe_ext");
+ chmod(0755, "$installbin/perlshr$exe_ext");
+}
+elsif ($^O ne 'dos') {
+ safe_unlink("$installbin/perl$ver$exe_ext");
+ copy("perl$exe_ext", "$installbin/perl$ver$exe_ext");
+ chmod(0755, "$installbin/perl$ver$exe_ext");
+} else {
+ safe_unlink("$installbin/perl.exe");
+ copy("perl.exe", "$installbin/perl.exe");
+}
+
+safe_unlink("$installbin/sperl$ver$exe_ext");
if ($d_dosuid) {
- &cmd("cp suidperl $installbin/sperl$ver");
- &chmod(04711, "$installbin/sperl$ver");
+ copy("suidperl$exe_ext", "$installbin/sperl$ver$exe_ext");
+ chmod(04711, "$installbin/sperl$ver$exe_ext");
}
-exit 0 if $versiononly;
+# Install library files.
-# Make links to ordinary names if installbin directory isn't current directory.
+$do_installarchlib = $do_installprivlib = 0;
+
+mkpath($installprivlib, 1, 0777);
+mkpath($installarchlib, 1, 0777);
+mkpath($installsitelib, 1, 0777) if ($installsitelib);
+mkpath($installsitearch, 1, 0777) if ($installsitearch);
+
+if (chdir "lib") {
+ $do_installarchlib = ! samepath($installarchlib, '.');
+ $do_installprivlib = ! samepath($installprivlib, '.');
+ $do_installprivlib = 0 if $versiononly && !($installprivlib =~ m/\Q$]/);
-($bdev,$bino) = stat($installbin);
-($ddev,$dino) = stat('.');
+ if ($do_installarchlib || $do_installprivlib) {
+ find(\&installlib, '.');
+ }
+ chdir ".." || die "Can't cd back to source directory: $!\n";
+}
+else {
+ warn "Can't cd to lib to install lib files: $!\n";
+}
-if ($bdev != $ddev || $bino != $dino) {
- &unlink("$installbin/perl", "$installbin/taintperl", "$installbin/suidperl");
- &link("$installbin/perl$ver", "$installbin/perl");
- &link("$installbin/tperl$ver", "$installbin/taintperl");
- &link("$installbin/sperl$ver", "$installbin/suidperl") if $d_dosuid;
+# Install header files and libraries.
+mkpath("$installarchlib/CORE", 1, 0777);
+if ($Is_VMS) { # We did core file selection during build
+ my $coredir = "lib/$Config{'arch'}/$]";
+ $coredir =~ tr/./_/;
+ @corefiles = <$coredir/*.*>;
+}
+else {
+ @corefiles = <*.h libperl*.*>;
+ # AIX needs perl.exp installed as well.
+ push(@corefiles,'perl.exp') if $^O eq 'aix';
+ # If they have built sperl.o...
+ push(@corefiles,'sperl.o') if -f 'sperl.o';
+}
+foreach $file (@corefiles) {
+ # HP-UX (at least) needs to maintain execute permissions
+ # on dynamically-loadable libraries. So we do it for all.
+ copy_if_diff($file,"$installarchlib/CORE/$file")
+ and chmod($file =~ /\.(so|\Q$dlext\E)$/ ? 0555 : 0444,
+ "$installarchlib/CORE/$file");
}
-($bdev,$bino) = stat($installbin);
-($ddev,$dino) = stat('x2p');
+# Install main perl executables
+# Make links to ordinary names if installbin directory isn't current directory.
-if ($bdev != $ddev || $bino != $dino) {
- &unlink("$installbin/a2p");
- &cmd("cp x2p/a2p $installbin/a2p");
- &chmod(0755, "$installbin/a2p");
+if (! $versiononly && ! samepath($installbin, '.') && ($^O ne 'dos') && ! $Is_VMS) {
+ safe_unlink("$installbin/perl$exe_ext", "$installbin/suidperl$exe_ext");
+ link("$installbin/perl$ver$exe_ext", "$installbin/perl$exe_ext");
+ link("$installbin/sperl$ver$exe_ext", "$installbin/suidperl$exe_ext")
+ if $d_dosuid;
}
-# Make some enemies in the name of standardization. :-)
+# Offer to install perl in a "standard" location
+
+$mainperl_is_instperl = 0;
+
+if (!$versiononly && !$nonono && $^O ne 'MSWin32' && !$Is_VMS && -t STDIN && -t STDERR
+ && -w $mainperldir && ! samepath($mainperldir, $installbin)) {
+ local($usrbinperl) = "$mainperldir/perl$exe_ext";
+ local($instperl) = "$installbin/perl$exe_ext";
+ local($expinstperl) = "$binexp/perl$exe_ext";
+
+ # First make sure $usrbinperl is not already the same as the perl we
+ # just installed.
+ if (-x $usrbinperl) {
+ # Try to be clever about mainperl being a symbolic link
+ # to binexp/perl if binexp and installbin are different.
+ $mainperl_is_instperl =
+ samepath($usrbinperl, $instperl) ||
+ samepath($usrbinperl, $expinstperl) ||
+ (($binexp ne $installbin) &&
+ (-l $usrbinperl) &&
+ ((readlink $usrbinperl) eq $expinstperl));
+ }
+ if ((! $mainperl_is_instperl) &&
+ (yn("Many scripts expect perl to be installed as $usrbinperl.\n" .
+ "Do you wish to have $usrbinperl be the same as\n" .
+ "$expinstperl? [y] ")))
+ {
+ unlink($usrbinperl);
+ eval { CORE::link $instperl, $usrbinperl } ||
+ eval { symlink $expinstperl, $usrbinperl } ||
+ copy($instperl, $usrbinperl);
+ $mainperl_is_instperl = 1;
+ }
+}
+
+# Make links to ordinary names if installbin directory isn't current directory.
-($udev,$uino) = stat($mainperldir);
+if (!$versiononly && ! samepath($installbin, 'x2p')) {
+ safe_unlink("$installbin/a2p$exe_ext");
+ copy("x2p/a2p$exe_ext", "$installbin/a2p$exe_ext");
+ chmod(0755, "$installbin/a2p$exe_ext");
+}
-if (-w _ && ($udev != $bdev || $uino != $bino) && !$nonono) {
- &unlink("$mainperldir/perl");
- eval 'link("$installbin/perl", "$mainperldir/perl")' ||
- eval 'symlink("$installbin/perl", "$mainperldir/perl")' ||
- &cmd("cp $installbin/perl $mainperldir");
+# cppstdin is just a script, but it is architecture-dependent, so
+# it can't safely be shared. Place it in $installbin.
+# Note that Configure doesn't build cppstin if it isn't needed, so
+# we skip this if cppstdin doesn't exist.
+if (! $versiononly && (-f 'cppstdin') && (! samepath($installbin, '.'))) {
+ safe_unlink("$installbin/cppstdin");
+ copy("cppstdin", "$installbin/cppstdin");
+ chmod(0755, "$installbin/cppstdin");
}
# Install scripts.
-&makedir($installscr);
-
-for (@scripts) {
- &cmd("cp $_ $installscr");
- s#.*/##; &chmod(0755, "$installscr/$_");
-}
-
-# Install man pages.
-
-if ($mansrc ne '') {
- &makedir($mansrc);
-
- ($mdev,$mino) = stat($mansrc);
- if ($mdev != $ddev || $mino != $dino) {
- for (@manpages) {
- ($new = $_) =~ s/man$/$manext/;
- $new =~ s#.*/##;
- print STDERR " Installing $mansrc/$new\n";
- next if $nonono;
- open(MI,$_) || warn "Can't open $_: $!\n";
- open(MO,">$mansrc/$new") || warn "Can't install $mansrc/$new: $!\n";
- print MO ".ds RP Release $release Patchlevel $patchlevel\n";
- while (<MI>) {
- print MO;
- }
- close MI;
- close MO;
- }
+mkpath($installscript, 1, 0777);
+
+if (! $versiononly) {
+ for (@scripts) {
+ (my $base = $_) =~ s#.*/##;
+ copy($_, "$installscript/$base");
+ chmod(0755, "$installscript/$base");
}
}
-# Install library files.
+# pstruct should be a link to c2ph
-&makedir($installprivlib);
-if (chdir "lib") {
+if (! $versiononly) {
+ safe_unlink("$installscript/pstruct" . ($Is_VMS ? '.Com' : ''));
+ if ($^O eq 'dos' or $Is_VMS) {
+ copy("$installscript/c2ph" . ($Is_VMS ? '.Com' : ''),
+ "$installscript/pstruct" . ($Is_VMS ? '.Com' : ''));
+ } else {
+ link("$installscript/c2ph","$installscript/pstruct");
+ }
+}
- ($pdev,$pino) = stat($installprivlib);
- ($ldev,$lino) = stat('.');
-
- if ($pdev != $ldev || $pino != $lino) {
- foreach $file (<*.pl>) {
- system "cmp", "-s", $file, "$privlib/$file";
- if ($?) {
- &unlink("$installprivlib/$file");
- &cmd("cp $file $installprivlib");
- &chmod(0644, "$installprivlib/$file");
- }
+# Install pod pages. Where? I guess in $installprivlib/pod.
+
+if (! $versiononly || !($installprivlib =~ m/\Q$]/)) {
+ mkpath("${installprivlib}/pod", 1, 0777);
+
+ # If Perl 5.003's perldiag.pod is there, rename it.
+ if (open POD, "${installprivlib}/pod/perldiag.pod") {
+ read POD, $_, 4000;
+ close POD;
+ # Some of Perl 5.003's diagnostic messages ended with periods.
+ if (/^=.*\.$/m) {
+ my ($from, $to) = ("${installprivlib}/pod/perldiag.pod",
+ "${installprivlib}/pod/perldiag-5.003.pod");
+ print STDERR " rename $from $to";
+ rename($from, $to)
+ or warn "Couldn't rename $from to $to: $!\n"
+ unless $nonono;
}
}
- chdir ".." || die "Can't cd back to source directory: $!\n";
-}
-else {
- warn "Can't cd to lib to install lib files: $!\n";
+
+ foreach $file (@pods) {
+ # $file is a name like pod/perl.pod
+ copy_if_diff($file, "${installprivlib}/${file}");
+ }
+
+ # Link perldiag.pod into archlib
+ my ($from, $to) = ("${installprivlib}/pod/perldiag.pod",
+ "${installarchlib}/pod/perldiag.pod");
+ $packlist->{$to} = { from => $from, type => 'link' };
+ if (compare($from, $to) || $nonono) {
+ mkpath("${installarchlib}/pod", 1, 0777);
+ unlink($to);
+ link($from, $to) if ($^O ne 'dos');
+ }
}
-&chmod(0755, "usub/mus");
+# Check to make sure there aren't other perls around in installer's
+# path. This is probably UNIX-specific. Check all absolute directories
+# in the path except for where public executables are supposed to live.
+# Also skip $mainperl if the user opted to have it be a link to the
+# installed perl.
+
+if (!$versiononly) {
+
+ $dirsep = ($^O eq 'os2' || $^O eq 'MSWin32') ? ';' : ':' ;
+ ($path = $ENV{"PATH"}) =~ s:\\:/:g ;
+ @path = split(/$dirsep/, $path);
+ if ($Is_VMS) {
+ my $i = 0;
+ while (exists $ENV{'DCL$PATH' . $i}) {
+ $dir = unixpath($ENV{'DCL$PATH' . $i}); $dir =~ s-/$--;
+ push(@path,$dir);
+ }
+ }
+ @otherperls = ();
+ for (@path) {
+ next unless m,^/,;
+ # Use &samepath here because some systems have other dirs linked
+ # to $mainperldir (like SunOS)
+ next if samepath($_, $binexp);
+ next if ($mainperl_is_instperl && samepath($_, $mainperldir));
+ push(@otherperls, "$_/perl$exe_ext")
+ if (-x "$_/perl$exe_ext" && ! -d "$_/perl$exe_ext");
+ }
+ if (@otherperls) {
+ print STDERR "\nWarning: perl appears in your path in the following " .
+ "locations beyond where\nwe just installed it:\n";
+ for (@otherperls) {
+ print STDERR " ", $_, "\n";
+ }
+ print STDERR "\n";
+ }
+}
+
+$packlist->write() unless $nono;
print STDERR " Installation complete\n";
exit 0;
###############################################################################
+sub yn {
+ local($prompt) = @_;
+ local($answer);
+ local($default) = $prompt =~ m/\[([yn])\]\s*$/i;
+ print STDERR $prompt;
+ chop($answer = <STDIN>);
+ $answer = $default if $answer =~ m/^\s*$/;
+ ($answer =~ m/^[yY]/);
+}
+
sub unlink {
local(@names) = @_;
+ my($cnt) = 0;
+
+ return scalar(@names) if $Is_VMS;
foreach $name (@names) {
next unless -e $name;
+ chmod 0777, $name if ($^O eq 'os2' || $^O eq 'MSWin32');
print STDERR " unlink $name\n";
- unlink($name) || warn "Couldn't unlink $name: $!\n" unless $nonono;
+ ( CORE::unlink($name) and ++$cnt
+ or warn "Couldn't unlink $name: $!\n" ) unless $nonono;
}
+ return $cnt;
}
-sub cmd {
- local($cmd) = @_;
- print STDERR " $cmd\n";
- unless ($nonono) {
- system $cmd;
- warn "Command failed!!!\n" if $?;
+sub safe_unlink {
+ return if $nonono or $Is_VMS;
+ local @names = @_;
+ foreach $name (@names) {
+ next unless -e $name;
+ chmod 0777, $name if ($^O eq 'os2' || $^O eq 'MSWin32');
+ print STDERR " unlink $name\n";
+ next if CORE::unlink($name);
+ warn "Couldn't unlink $name: $!\n";
+ if ($! =~ /busy/i) {
+ print STDERR " mv $name $name.old\n";
+ safe_rename($name, "$name.old")
+ or warn "Couldn't rename $name: $!\n";
+ }
}
}
-sub link {
+sub safe_rename {
local($from,$to) = @_;
+ if (-f $to and not unlink($to)) {
+ my($i);
+ for ($i = 1; $i < 50; $i++) {
+ last if rename($to, "$to.$i");
+ }
+ warn("Cannot rename to `$to.$i': $!"), return 0
+ if $i >= 50; # Give up!
+ }
+ link($from,$to) || return 0;
+ unlink($from);
+}
+
+sub link {
+ my($from,$to) = @_;
+ my($success) = 0;
print STDERR " ln $from $to\n";
- link($from,$to) || warn "Couldn't link $from to $to: $!\n" unless $nonono;
+ eval {
+ CORE::link($from, $to)
+ ? $success++
+ : ($from =~ m#^/afs/# || $to =~ m#^/afs/#)
+ ? die "AFS" # okay inside eval {}
+ : warn "Couldn't link $from to $to: $!\n"
+ unless $nonono;
+ $packlist->{$to} = { from => $from, type => 'link' };
+ };
+ if ($@) {
+ print STDERR " creating new version of $to\n" if $Is_VMS and -e $to;
+ File::Copy::copy($from, $to)
+ ? $success++
+ : warn "Couldn't copy $from to $to: $!\n"
+ unless $nonono;
+ $packlist->{$to} = { type => 'file' };
+ }
+ $success;
}
sub chmod {
local($mode,$name) = @_;
+ return if ($^O eq 'dos');
printf STDERR " chmod %o %s\n", $mode, $name;
- chmod($mode,$name) || warn "Couldn't chmod $mode $name: $!\n"
- unless $nonono;
+ CORE::chmod($mode,$name)
+ || warn sprintf("Couldn't chmod %o %s: $!\n", $mode, $name)
+ unless $nonono;
+}
+
+sub copy {
+ my($from,$to) = @_;
+
+ print STDERR " cp $from $to\n";
+ print STDERR " creating new version of $to\n" if $Is_VMS and -e $to;
+ File::Copy::copy($from, $to)
+ || warn "Couldn't copy $from to $to: $!\n"
+ unless $nonono;
+ $packlist->{$to} = { type => 'file' };
}
-sub makedir {
- local($dir) = @_;
- unless (-d $dir) {
- local($shortdir) = $dir;
+sub samepath {
+ local($p1, $p2) = @_;
+
+ return (lc($p1) eq lc($p2)) if ($^O eq 'MSWin32');
- $shortdir =~ s#(.*)/.*#$1#;
- &makedir($shortdir);
+ if ($p1 ne $p2) {
+ local($dev1, $ino1, $dev2, $ino2);
+ ($dev1, $ino1) = stat($p1);
+ ($dev2, $ino2) = stat($p2);
+ ($dev1 == $dev2 && $ino1 == $ino2);
+ }
+ else {
+ 1;
+ }
+}
- print STDERR " mkdir $dir\n";
- mkdir($dir, 0777) || warn "Couldn't create $dir: $!\n" unless $nonono;
+sub installlib {
+ my $dir = $File::Find::dir;
+ $dir =~ s#^\.(?![^/])/?##;
+ local($depth) = $dir ? "lib/$dir" : "lib";
+
+ my $name = $_;
+
+ if ($name eq 'CVS' && -d $name) {
+ $File::Find::prune = 1;
+ return;
+ }
+
+ # ignore patch backups and the .exists files.
+ return if $name =~ m{\.orig$|~$|^\.exists};
+
+ $name = "$dir/$name" if $dir ne '';
+
+ my $installlib = $installprivlib;
+ if ($dir =~ /^auto/ ||
+ ($name =~ /^(.*)\.(?:pm|pod)$/ && $archpms{$1}) ||
+ ($name =~ /^(.*)\.(?:h|lib)$/i && $^O eq 'MSWin32')
+ ) {
+ $installlib = $installarchlib;
+ return unless $do_installarchlib;
+ } else {
+ return unless $do_installprivlib;
+ }
+
+ if (-f $_) {
+ if (/\.(?:al|ix)$/ && !($dir =~ m[^auto/(.*)$] && $archpms{$1})) {
+ $installlib = $installprivlib;
+ #We're installing *.al and *.ix files into $installprivlib,
+ #but we have to delete old *.al and *.ix files from the 5.000
+ #distribution:
+ #This might not work because $archname might have changed.
+ unlink("$installarchlib/$name");
+ }
+ $packlist->{"$installlib/$name"} = { type => 'file' };
+ if (compare($_, "$installlib/$name") || $nonono) {
+ unlink("$installlib/$name");
+ mkpath("$installlib/$dir", 1, 0777);
+ # HP-UX (at least) needs to maintain execute permissions
+ # on dynamically-loaded libraries.
+ copy_if_diff($_, "$installlib/$name")
+ and chmod($name =~ /\.(so|$dlext)$/o ? 0555 : 0444,
+ "$installlib/$name");
+ }
+ } elsif (-d $_) {
+ mkpath("$installlib/$name", 1, 0777);
+ }
+}
+
+# Copy $from to $to, only if $from is different than $to.
+# Also preserve modification times for .a libraries.
+# On some systems, if you do
+# ranlib libperl.a
+# cp libperl.a /usr/local/lib/perl5/archlib/CORE/libperl.a
+# and then try to link against the installed libperl.a, you might
+# get an error message to the effect that the symbol table is older
+# than the library.
+# Return true if copying occurred.
+
+sub copy_if_diff {
+ my($from,$to)=@_;
+ -f $from || die "$0: $from not found";
+ $packlist->{$to} = { type => 'file' };
+ if (compare($from, $to) || $nonono) {
+ safe_unlink($to); # In case we don't have write permissions.
+ if ($nonono) {
+ $from = $depth . "/" . $from if $depth;
+ }
+ copy($from, $to);
+ # Restore timestamps if it's a .a library or for OS/2.
+ if (!$nonono && ($^O eq 'os2' || $to =~ /\.a$/)) {
+ my ($atime, $mtime) = (stat $from)[8,9];
+ utime $atime, $mtime, $to;
+ }
+ 1;
}
}