X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/232e078e289220085e912e3d740ae77767611478..68c887af8bbbe8aaa5d726ce35fbbb66c21b6301:/installperl

diff --git a/installperl b/installperl
index 4348411..656943c 100755
--- a/installperl
+++ b/installperl
@@ -1,137 +1,245 @@
 #!./perl
-BEGIN { @INC=('./lib', '../lib') }
+
+BEGIN {
+    require 5.004;
+    chdir '..' if !-d 'lib' and -d '..\lib';
+    @INC = 'lib';
+    $ENV{PERL5LIB} = 'lib';
+}
+
+use strict;
+use vars qw($Is_VMS $Is_W32 $Is_OS2 $Is_Cygwin $nonono $dostrip $versiononly $depth);
+
+BEGIN {
+    $Is_VMS = $^O eq 'VMS';
+    $Is_W32 = $^O eq 'MSWin32';
+    $Is_OS2 = $^O eq 'os2';
+    $Is_Cygwin = $^O eq 'cygwin';
+    if ($Is_VMS) { eval 'use VMS::Filespec;' }
+}
+
+my $scr_ext = ($Is_VMS ? '.Com' : $Is_W32 ? '.bat' : '');
+
 use File::Find;
+use File::Compare;
+use File::Copy ();
+use File::Path ();
+use ExtUtils::Packlist;
+use Config;
+use subs qw(unlink link chmod);
+use vars qw($packlist);
+
+# override the ones in the rest of the script
+sub mkpath {
+    File::Path::mkpath(@_) unless $nonono;
+}
+
+my $mainperldir = "/usr/bin";
+my $exe_ext = $Config{exe_ext};
 
-$mainperldir = "/usr/bin";
+# Allow ``make install PERLNAME=something_besides_perl'':
+my $perl = defined($ENV{PERLNAME}) ? $ENV{PERLNAME} : 'perl';
+
+# This is the base used for versioned names, like "perl5.6.0".
+# It's separate because a common use of $PERLNAME is to install
+# perl as "perl5", if that's used as base for versioned files you
+# get "perl55.6.0".
+my $perl_verbase = defined($ENV{PERLNAME_VERBASE})
+		    ? $ENV{PERLNAME_VERBASE}
+		    : $perl;
 
 while (@ARGV) {
     $nonono = 1 if $ARGV[0] eq '-n';
+    $dostrip = 1 if $ARGV[0] eq '-s';
     $versiononly = 1 if $ARGV[0] eq '-v';
     shift;
 }
 
-umask 022;
+my @scripts = qw(utils/c2ph utils/h2ph utils/h2xs utils/perlbug utils/perldoc
+		utils/pl2pm utils/splain utils/perlcc utils/dprofpp
+		x2p/s2p x2p/find2perl 
+		pod/pod2man pod/pod2html pod/pod2latex pod/pod2text
+		pod/pod2usage pod/podchecker pod/podselect);
+
+if ($scr_ext) { @scripts = map { "$_$scr_ext" } @scripts; }
+
+my @pods = (<pod/*.pod>);
+
+# Specify here any .pm files that are actually architecture-dependent.
+# (Those included with XS extensions under ext/ are automatically
+# added later.)
+# Now that the default privlib has the full perl version number included,
+# we no longer have to play the trick of sticking version-specific .pm 
+# files under the archlib directory.
+my %archpms = (
+    Config => 1, 
+);
+
+if ($^O eq 'dos') {
+    push(@scripts,'djgpp/fixpmain');
+    $archpms{config} = $archpms{filehand} = 1;
+}
 
-@scripts = ('cppstdin', 'c2ph', 'h2xs', 'pstruct', 'x2p/s2p', 'x2p/find2perl',
-	    'pod/pod2man', 'pod/pod2html', 'pod/pod2latex' );
-@manpages = (<pod/*.man>, 'x2p/a2p.man', 'x2p/s2p.man');
+if ((-e "testcompile") && (defined($ENV{'COMPILE'})))
+{
+	push(@scripts, map("$_.exe", @scripts));
+}
 
-# Read in the config file.
+find(sub {
+	if ("$File::Find::dir/$_" =~ m{^ext\b(.*)/([^/]+)\.pm$}) {
+	    my($path, $modname) = ($1,$2);
 
-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;
+	    # strip trailing component first
+	    $path =~ s{/[^/]*$}{};
 
-$ver = $];
-$release = substr($ver,0,3);
-$patchlevel = substr($ver,3,2);
+	    # strip optional "/lib";
+	    $path =~ s{/lib\b}{};
+
+	    # strip any leading /
+	    $path =~ s{^/}{};
+
+	    # reconstitute canonical module name
+	    $modname = "$path/$modname" if length $path;
+
+	    # remember it
+	    $archpms{$modname} = 1;
+	}
+    }, 'ext');
+
+# print "[$_]\n" for sort keys %archpms;
+
+my $ver = $Config{version};
+my $release = substr($],0,3);   # Not used presently.
+my $patchlevel = substr($],3,2);
 die "Patchlevel of perl ($patchlevel)",
-    "and patchlevel of config.sh ($PATCHLEVEL) don't match\n"
-	if $patchlevel != $PATCHLEVEL;
+    "and patchlevel of config.sh ($Config{'PERL_VERSION'}) don't match\n"
+	if $patchlevel != $Config{'PERL_VERSION'};
+
+# Fetch some frequently-used items from %Config
+my $installbin = $Config{installbin};
+my $installscript = $Config{installscript};
+my $installprivlib = $Config{installprivlib};
+my $installarchlib = $Config{installarchlib};
+my $installsitelib = $Config{installsitelib};
+my $installsitearch = $Config{installsitearch};
+my $installman1dir = $Config{installman1dir};
+my $man1ext = $Config{man1ext};
+my $libperl = $Config{libperl};
+# Shared library and dynamic loading suffixes.
+my $so = $Config{so};
+my $dlext = $Config{dlext};
+my $dlsrc = $Config{dlsrc};
+
+my $d_dosuid = $Config{d_dosuid};
+my $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"
+-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 'suidperl'		|| die "suidperl isn't executable!\n" if $d_dosuid;
-
--x 't/TEST'		|| warn "WARNING: You've never run 'make test'!!!",
-	"  (Installing anyway.)\n";
-
-if ($d_shrplib) {
-    if (!<libperl*.$so*>) {
-	warn "WARNING: Can't find libperl*.$so* to install into $shrpdir.",
-	    "  (Installing other things anyway.)\n";
-    } else {
-	&makedir($shrpdir);
-	-w $shrpdir	|| die "$shrpdir is not writable by you\n";
-	&cmd("cp libperl*.$so* $shrpdir");
-    }
+-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'		|| $Is_W32
+			|| warn "WARNING: You've never run 'make test'!!!",
+				"  (Installing anyway.)\n";
+
+if ($Is_W32 or $Is_Cygwin) {
+  my $perldll;
+
+if ($Is_Cygwin) {
+  $perldll = $libperl;
+  $perldll =~ s/(\..*)?$/.$dlext/;
+  if ($Config{useshrplib} eq 'true') {
+    # install ld2 and perlld as well
+    foreach ('ld2', 'perlld') {
+      safe_unlink("$installbin/$_");
+      copy("$_", "$installbin/$_");
+      chmod(0755, "$installbin/$_");
+    };
+  };
+} else {
+  $perldll = 'perl56.' . $dlext;
 }
 
-# First we install the version-numbered executables.
+   if ($dlsrc ne "dl_none.xs") {
+      -f $perldll || die "No perl DLL built\n";
+   }
+# Install the DLL
 
-&unlink("$installbin/perl$ver");
-&cmd("cp perl $installbin/perl$ver");
+   safe_unlink("$installbin/$perldll");
+   copy("$perldll", "$installbin/$perldll");
+   chmod(0755, "$installbin/$perldll");
+   
+} # if ($Is_W32 or $Is_Cygwin)
 
-&unlink("$installbin/sperl$ver");
-if ($d_dosuid) {
-    &cmd("cp suidperl $installbin/sperl$ver");
-    &chmod(04711, "$installbin/sperl$ver");
-}
-
-exit 0 if $versiononly;
+# This will be used to store the packlist
+my $packlist = ExtUtils::Packlist->new("$installarchlib/.packlist");
 
-# Make links to ordinary names if installbin directory isn't current directory.
+# First we install the version-numbered executables.
 
-if (! &samepath($installbin, '.')) {
-    &unlink("$installbin/perl", "$installbin/suidperl");
-    &link("$installbin/perl$ver", "$installbin/perl");
-    &link("$installbin/sperl$ver", "$installbin/suidperl") if $d_dosuid;
+if ($Is_VMS) {
+    safe_unlink("$installbin/$perl$exe_ext");
+    copy("perl$exe_ext", "$installbin/$perl$exe_ext");
+    chmod(0755, "$installbin/$perl$exe_ext");
+    safe_unlink("$installbin/${perl}shr$exe_ext");
+    copy("perlshr$exe_ext", "$installbin/${perl}shr$exe_ext");
+    chmod(0755, "$installbin/${perl}shr$exe_ext");
 }
-
-if (! &samepath($installbin, 'x2p')) {
-    &unlink("$installbin/a2p");
-    &cmd("cp x2p/a2p $installbin/a2p");
-    &chmod(0755, "$installbin/a2p");
+elsif ($^O eq 'mpeix') {
+    # MPE lacks hard links and requires that executables with special
+    # capabilities reside in the MPE namespace.
+    safe_unlink("$installbin/perl$ver$exe_ext", $Config{perlpath});
+    # Install the primary executable into the MPE namespace as perlpath.
+    copy("perl$exe_ext", $Config{perlpath});
+    chmod(0755, $Config{perlpath});
+    # Create a backup copy with the version number.
+    link($Config{perlpath}, "$installbin/perl$ver$exe_ext");
 }
-
-# Install scripts.
-
-&makedir($installscript);
-
-for (@scripts) {
-    if (-f $_) {   # cppstdin might not exist on this system.
-	&cmd("cp $_ $installscript");
-	s#.*/##; &chmod(0755, "$installscript/$_");
-    }
+elsif ($^O ne 'dos') {
+    safe_unlink("$installbin/$perl_verbase$ver$exe_ext");
+    copy("perl$exe_ext", "$installbin/$perl_verbase$ver$exe_ext");
+    strip("$installbin/$perl_verbase$ver$exe_ext");
+    chmod(0755, "$installbin/$perl_verbase$ver$exe_ext");
+}
+else {
+    safe_unlink("$installbin/$perl.exe");
+    copy("perl.exe", "$installbin/$perl.exe");
 }
 
-# Install man pages.
-
-if ($installmansrc ne '') {
-    &makedir($installmansrc);
-
-    if (! &samepath($installmansrc, '.')) {
-	for (@manpages) {
-	    ($new = $_) =~ s/man$/$manext/;
-	    $new =~ s#.*/##;
-	    print STDERR "  Installing $installmansrc/$new\n";
-	    next if $nonono;
-	    open(MI,$_) || warn "Can't open $_: $!\n";
-	    open(MO,">$installmansrc/$new") || warn "Can't install $installmansrc/$new: $!\n";
-	    print MO ".ds RP Release $release Patchlevel $patchlevel\n";
-	    while (<MI>) {
-		print MO;
-	    }
-	    close MI;
-	    close MO;
-	}
-    }
+safe_unlink("$installbin/s$perl_verbase$ver$exe_ext");
+if ($d_dosuid) {
+    copy("suidperl$exe_ext", "$installbin/s$perl_verbase$ver$exe_ext");
+    chmod(04711, "$installbin/s$perl_verbase$ver$exe_ext");
 }
 
 # Install library files.
 
-$do_installarchlib = $do_installprivlib = 0;
+my ($do_installarchlib, $do_installprivlib) = (0, 0);
     
-&makedir($installprivlib);
-&makedir($installarchlib);
+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, '.');
+    $do_installarchlib = ! samepath($installarchlib, '.');
+    $do_installprivlib = ! samepath($installprivlib, '.');
+    $do_installprivlib = 0 if $versiononly && !($installprivlib =~ m/\Q$ver/);
 
     if ($do_installarchlib || $do_installprivlib) {
 	find(\&installlib, '.');
@@ -143,144 +251,328 @@ else {
 }
 
 # Install header files and libraries.
-makedir("$installarchlib/CORE");
-foreach $file (<*.h libperl*.*>) {
-    cp_if_diff($file,"$installarchlib/CORE/$file");
-    if ($file =~ /\.a$/ && $osname eq 'next') { 
-       #on NeXTs we have to rerun ranlib after copying libraries
-       &cmd("$ranlib $installarchlib/CORE/$file");
+mkpath("$installarchlib/CORE", 1, 0777);
+my @corefiles;
+if ($Is_VMS) {  # We did core file selection during build
+    my $coredir = "lib/$Config{'arch'}/$ver";
+    $coredir =~ tr/./_/;
+    @corefiles = map { s|^$coredir/||i; } <$coredir/*.*>;
+}
+else {
+    # [als] hard-coded 'libperl' name... not good!
+    @corefiles = <*.h libperl*.*>;
+
+    # AIX needs perl.exp installed as well.
+    push(@corefiles,'perl.exp') if $^O eq 'aix';
+    if ($^O eq 'mpeix') {
+        # MPE needs mpeixish.h installed as well.
+        mkpath("$installarchlib/CORE/mpeix", 1, 0777);
+        push(@corefiles,'mpeix/mpeixish.h');
+    }
+    # If they have built sperl.o...
+    push(@corefiles,'sperl.o') if -f 'sperl.o';
+}
+foreach my $file (@corefiles) {
+    # HP-UX (at least) needs to maintain execute permissions
+    # on dynamically-loadable libraries. So we do it for all.
+    if (copy_if_diff($file,"$installarchlib/CORE/$file")) {
+	if ($file =~ /\.(\Q$so\E|\Q$dlext\E)$/) {
+	    chmod(0555, "$installarchlib/CORE/$file");
+	    strip("-S", "$installarchlib/CORE/$file") if $^O =~ /^(rhapsody|darwin)$/;
+	} else {
+	    chmod(0444, "$installarchlib/CORE/$file");
+	}
     }
 }
-# AIX needs perl.exp installed as well.
-cp_if_diff("perl.exp" ,"$installarchlib/CORE/perl.exp") if ($osname eq 'aix');
 
-# If they have built sperl.o...
-cp_if_diff("sperl.o" ,"$installarchlib/CORE/sperl.o") if (-f 'sperl.o');
+# Install main perl executables
+# Make links to ordinary names if installbin directory isn't current directory.
 
+if (! $versiononly && ! samepath($installbin, '.') && ($^O ne 'dos') && ! $Is_VMS) {
+    safe_unlink("$installbin/$perl$exe_ext", "$installbin/suid$perl$exe_ext");
+    if ($^O eq 'mpeix') {
+	# MPE doesn't support hard links, so use a symlink.
+	# We don't want another cloned copy.
+        symlink($Config{perlpath}, "$installbin/perl$exe_ext");
+    } else {
+	link("$installbin/$perl_verbase$ver$exe_ext",
+		"$installbin/$perl$exe_ext");
+    }
+    link("$installbin/s$perl_verbase$ver$exe_ext",
+	    "$installbin/suid$perl$exe_ext") 
+      if $d_dosuid;
+}
 
 # Offer to install perl in a "standard" location
 
-$mainperl_is_instperl = 0;
+my $mainperl_is_instperl = 0;
+
+if ($Config{installusrbinperl} eq 'define' &&
+    !$versiononly && !$nonono && !$Is_W32 && !$Is_VMS && -t STDIN && -t STDERR
+	&& -w $mainperldir && ! samepath($mainperldir, $installbin)) {
+    my($usrbinperl)	= "$mainperldir/$perl$exe_ext";
+    my($instperl)	= "$installbin/$perl$exe_ext";
+    my($expinstperl)	= "$binexp/$perl$exe_ext";
 
-if (-w $mainperldir && ! &samepath($mainperldir, $installbin) && !$nonono) {
-    # First make sure $mainperldir/perl is not already the same as
-    # the perl we just installed
-    if (-x "$mainperldir/perl") {
+    # 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.
 	$mainperl_is_instperl =
-	    &samepath("$mainperldir/perl", "$installbin/perl") ||
+	    samepath($usrbinperl, $instperl) ||
+	    samepath($usrbinperl, $expinstperl) ||
 	     (($binexp ne $installbin) &&
-	      (-l "$mainperldir/perl") &&
-	      ((readlink "$mainperldir/perl") eq "$binexp/perl"));
+	      (-l $usrbinperl) &&
+	      ((readlink $usrbinperl) eq $expinstperl));
     }
     if ((! $mainperl_is_instperl) &&
-	(&yn("Many scripts expect perl to be installed as " .
-	     "$mainperldir/perl.\n" . 
-	     "Do you wish to have $mainperldir/perl be the same as\n" .
-	     "$binexp/perl? [y] ")))
-    {	
-	unlink("$mainperldir/perl");
-	eval 'link("$installbin/perl", "$mainperldir/perl")' ||
-	eval 'symlink("$binexp/perl", "$mainperldir/perl")' ||
-	&cmd("cp $installbin/perl $mainperldir");
+	(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);
+	( $Config{'d_link'} eq 'define' &&
+	  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.
+
+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");
+}
+
+# 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, "$installbin/cppstdin");
+}
+
+# Install scripts.
+
+mkpath($installscript, 1, 0777);
+
+if (! $versiononly) {
+    for (@scripts) {
+	(my $base = $_) =~ s#.*/##;
+	copy($_, "$installscript/$base");
+	chmod(0755, "$installscript/$base");
+    }
+}
+
+# pstruct should be a link to c2ph
+
+if (! $versiononly) {
+    safe_unlink("$installscript/pstruct$scr_ext");
+    if ($^O eq 'dos' or $Is_VMS) {
+        copy("$installscript/c2ph$scr_ext", "$installscript/pstruct$scr_ext"); 
+    } else {
+        link("$installscript/c2ph$scr_ext", "$installscript/pstruct$scr_ext");
+    }
+}
+
+# Install pod pages.  Where? I guess in $installprivlib/pod
+# ($installprivlib/pods for cygwin).
+
+my $pod = $Is_Cygwin ? 'pods' : 'pod';
+unless ( $versiononly && !($installprivlib =~ m/\Q$ver/)) {
+    mkpath("${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 "  rename $from $to";
+	    rename($from, $to)
+		or warn "Couldn't rename $from to $to: $!\n"
+		unless $nonono;
+	}
+    }
+
+    for (@pods) {
+	# $_ is a name like  pod/perl.pod
+        (my $base = $_) =~ s#.*/##;
+	copy_if_diff($_, "${installprivlib}/$pod/${base}");
+    }
+
+}
+
 # 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.
 
-@path = split(/:/, $ENV{"PATH"});
-@otherperls = ();
-for (@path) {
-    next unless m,^/,;
-    next if ($_ eq $binexp);
-    # Use &samepath here because some systems have other dirs linked
-    # to $mainperldir (like SunOS)
-    next if ($mainperl_is_instperl && &samepath($_, $mainperldir));
-    push(@otherperls, "$_/perl") if (-x "$_/perl" && ! -d "$_/perl");
-}
-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 "    ", $_, "\n";
+if (!$versiononly) {
+    my ($path, @path);
+    my $dirsep = ($Is_OS2 || $Is_W32) ? ';' : ':' ;
+    ($path = $ENV{"PATH"}) =~ s:\\:/:g ;
+    @path = split(/$dirsep/, $path);
+    if ($Is_VMS) {
+        my $i = 0;
+        while (exists $ENV{'DCL$PATH' . $i}) {
+            my $dir = unixpath($ENV{'DCL$PATH' . $i});  $dir =~ s-/$--;
+            push(@path,$dir);
+        }
+    }
+    my @otherperls;
+    my %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));
+        my $otherperl = "$_/$perl$exe_ext";
+	next if $otherperls{$otherperl}++;
+	push(@otherperls, $otherperl)
+	    if (-x $otherperl && ! -d $otherperl);
+    }
+    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";
     }
-    print STDERR "\n";
+
 }
 
-print STDERR "  Installation complete\n";
+$packlist->write() unless $nonono;
+print "  Installation complete\n";
 
 exit 0;
 
 ###############################################################################
 
 sub yn {
-    local($prompt) = @_;
-    local($answer);
-    local($default) = $prompt =~ m/\[([yn])\]\s*$/i;
-    print STDERR $prompt;
+    my($prompt) = @_;
+    my($answer);
+    my($default) = $prompt =~ m/\[([yn])\]\s*$/i;
+    print $prompt;
     chop($answer = <STDIN>);
     $answer = $default if $answer =~ m/^\s*$/;
     ($answer =~ m/^[yY]/);
 }
 
 sub unlink {
-    local(@names) = @_;
+    my(@names) = @_;
+    my($cnt) = 0;
+
+    return scalar(@names) if $Is_VMS;
 
-    foreach $name (@names) {
+    foreach my $name (@names) {
 	next unless -e $name;
-	print STDERR "  unlink $name\n";
-	unlink($name) || warn "Couldn't unlink $name: $!\n" unless $nonono;
+	chmod 0777, $name if ($Is_OS2 || $Is_W32 || $Is_Cygwin);
+	print "  unlink $name\n";
+	( CORE::unlink($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;
+    my @names = @_;
+    foreach my $name (@names) {
+	next unless -e $name;
+	chmod 0777, $name if ($Is_OS2 || $Is_W32);
+	print "  unlink $name\n";
+	next if CORE::unlink($name);
+	warn "Couldn't unlink $name: $!\n";
+	if ($! =~ /busy/i) {
+	    print "  mv $name $name.old\n";
+	    safe_rename($name, "$name.old")
+		or warn "Couldn't rename $name: $!\n";
+	}
     }
 }
 
-sub link {
-    local($from,$to) = @_;
+sub safe_rename {
+    my($from,$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);
+}
 
-    print STDERR "  ln $from $to\n";
-    link($from,$to) || warn "Couldn't link $from to $to: $!\n" unless $nonono;
+sub link {
+    my($from,$to) = @_;
+    my($success) = 0;
+
+    print "  ln $from $to\n";
+    eval {
+	CORE::link($from, $to)
+	    ? $success++
+	    : ($from =~ m#^/afs/# || $to =~ m#^/afs/#)
+	      ? die "AFS"  # okay inside eval {}
+	      : die "Couldn't link $from to $to: $!\n"
+	  unless $nonono;
+        $packlist->{$to} = { from => $from, type => 'link' };
+    };
+    if ($@) {
+	warn $@;
+	print "  cp $from $to\n";
+	print "  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) = @_;
+    my($mode,$name) = @_;
 
-    printf STDERR "  chmod %o %s\n", $mode, $name;
-    chmod($mode,$name) || warn sprintf("Couldn't chmod %o %s: $!\n",$mode,$name)
-	unless $nonono;
+    return if ($^O eq 'dos');
+    printf "  chmod %o %s\n", $mode, $name;
+    CORE::chmod($mode,$name)
+	|| warn sprintf("Couldn't chmod %o %s: $!\n", $mode, $name)
+      unless $nonono;
 }
 
-sub makedir {
-    local($dir) = @_;
-    unless (-d $dir) {
-	local($shortdir) = $dir;
-
-	$shortdir =~ s#(.*)/.*#$1#;
-	&makedir($shortdir);
+sub copy {
+    my($from,$to) = @_;
 
-	print STDERR "  mkdir $dir\n";
-	mkdir($dir, 0777) || warn "Couldn't create $dir: $!\n" unless $nonono;
-    }
+    print "  cp $from $to\n";
+    print "  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 samepath {
-    local($p1, $p2) = @_;
-    local($dev1, $ino1, $dev2, $ino2);
+    my($p1, $p2) = @_;
+
+    return (lc($p1) eq lc($p2)) if $Is_W32;
 
     if ($p1 ne $p2) {
+	my($dev1, $ino1, $dev2, $ino2);
 	($dev1, $ino1) = stat($p1);
 	($dev2, $ino2) = stat($p2);
 	($dev1 == $dev2 && $ino1 == $ino2);
@@ -293,12 +585,27 @@ sub samepath {
 sub installlib {
     my $dir = $File::Find::dir;
     $dir =~ s#^\.(?![^/])/?##;
+    local($depth) = $dir ? "lib/$dir" : "lib";
 
     my $name = $_;
+
+    # Ignore RCS and CVS directories.
+    if (($name eq 'CVS' or $name eq 'RCS') and -d $name) {
+	$File::Find::prune = 1;
+	return;
+    }
+    
+    # ignore patch backups, RCS files, emacs backup & temp files and the
+    # .exists files.
+    return if $name =~ m{\.orig$|~$|^#.+#$|,v$|^\.exists};
+
     $name = "$dir/$name" if $dir ne '';
 
     my $installlib = $installprivlib;
-    if ((substr($dir, 0, 4) eq 'auto') || ($name eq 'Config.pm')) {
+    if ($dir =~ /^auto/ ||
+	  ($name =~ /^(.*)\.(?:pm|pod)$/ && $archpms{$1}) ||
+	  ($name =~ /^(.*)\.(?:h|lib)$/i && $Is_W32)
+       ) {
         $installlib = $installarchlib;
 	return unless $do_installarchlib;
     } else {
@@ -306,42 +613,75 @@ sub installlib {
     }
 
     if (-f $_) {
-	if (/\.al$/ || /\.ix$/) {
+	if (/\.(?:al|ix)$/ && !($dir =~ m[^auto/(.*)$] && $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/$name");
+	    unlink("$installarchlib/$name");
 	}
-	system "cmp", "-s", $_, "$installlib/$name";
-	if ($?) {
-	    &unlink("$installlib/$name");
-	    &makedir("$installlib/$dir");
-	    &cmd("cp $_ $installlib/$dir");
-	    if (/\.a$/ && $osname eq 'next') { 
-		#on NeXTs we have to rerun ranlib after copying libraries
-		&cmd("$ranlib $installlib/$dir/$_");
-	    }
+        $packlist->{"$installlib/$name"} = { type => 'file' };
+	if (compare($_, "$installlib/$name") || $nonono) {
+	    unlink("$installlib/$name");
+	    mkpath("$installlib/$dir", 1, 0777);
 	    # HP-UX (at least) needs to maintain execute permissions
 	    # on dynamically-loaded libraries.
-	    if ($name =~ /\.(so|$dlext)$/o) {
-		&chmod(0555, "$installlib/$name");
-	    }
-	    else {
-		&chmod(0444, "$installlib/$name");
-	    }
+	    copy_if_diff($_, "$installlib/$name")
+		and chmod($name =~ /\.(so|$dlext)$/o ? 0555 : 0444,
+			   "$installlib/$name");
 	}
-    } elsif (-d $_) {
-	&makedir("$installlib/$name");
     }
 }
 
-sub cp_if_diff {
+# 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";
-    system "cmp", "-s", $from, $to;
-    if ($?) {
-	cmd("cp $from $to");
+    return 1 if (($^O eq 'VMS') && (-d $from));
+    -f $from || warn "$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 && ($Is_OS2 || $to =~ /\.a$/)) {
+	    my ($atime, $mtime) = (stat $from)[8,9];
+	    utime $atime, $mtime, $to;
+	}
+	1;
     }
 }
+
+sub strip
+{
+    my(@args) = @_;
+
+    return unless $dostrip;
+
+    my @opts;
+    while (@args && $args[0] =~ /^(-\w+)$/) {
+        push @opts, shift @args;
+    }
+
+    foreach my $file (@args) {
+        if (-f $file) {
+            print "  strip $file\n";
+            system("strip", @opts, $file);
+        } else {
+            print "# file '$file' skipped\n";
+        }
+    }
+}
+