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Text File | 1996-04-06 | 11.6 KB | 421 lines | [TEXT/MPS ] |
- #!./perl
- BEGIN { @INC=('./lib', '../lib') }
- use File::Find;
- use File::Path qw(mkpath);
- use Config;
- use subs qw(unlink rename link chmod);
-
- $mainperldir = "/usr/bin";
- $exe_ext = $Config{exe_ext};
-
- while (@ARGV) {
- $nonono = 1 if $ARGV[0] eq '-n';
- $versiononly = 1 if $ARGV[0] eq '-v';
- shift;
- }
-
- umask 022;
-
- @scripts = qw(cppstdin
- utils/c2ph utils/h2ph utils/h2xs utils/pstruct
- utils/perlbug utils/perldoc
- x2p/s2p x2p/find2perl
- pod/pod2man pod/pod2html pod/pod2latex pod/pod2text);
-
- # pod documentation now handled by separate installman script.
- # These two are archaic leftovers.
- @manpages = qw(x2p/a2p.man x2p/s2p.man);
-
- @pods = (<pod/*.pod>);
-
- $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};
- # Did we build libperl as a shared library?
- $d_shrplib = $Config{d_shrplib};
- $shrpdir = $Config{shrpdir};
- # Shared library and dynamic loading suffixes.
- $so = $Config{so};
- $dlext = $Config{dlext};
-
- $d_dosuid = $Config{d_dosuid};
- $binexp = $Config{binexp};
-
- # Do some quick sanity checks.
-
- if ($d_dosuid && $>) { die "You must run as root to install suidperl\n"; }
-
- $installbin || die "No installbin directory in config.sh\n";
- -d $installbin || mkpath($installbin, 1, 0777);
- -d $installbin || die "$installbin is not a directory\n";
- -w $installbin || die "$installbin is not writable by you\n"
- unless $installbin =~ m#^/afs/# || $nonono;
-
- -x 'perl' . $exe_ext || die "perl isn't executable!\n";
- -x 'suidperl' . $exe_ext|| die "suidperl isn't executable!\n" if $d_dosuid;
-
- -x 't/TEST' || warn "WARNING: You've never run 'make test'!!!",
- " (Installing anyway.)\n";
-
- if ($d_shrplib) {
- if (!<libperl*.$so*>) {
- warn "WARNING: Can't find libperl*.$so* to install into $shrpdir.",
- " (Installing other things anyway.)\n";
- } else {
- mkpath($shrpdir, 1, 0777);
- -w $shrpdir || $nonono || die "$shrpdir is not writable by you\n";
- &cmd("cp libperl*.$so* $shrpdir");
- }
- }
-
- # First we install the version-numbered executables.
-
- &safe_unlink("$installbin/perl$ver$exe_ext");
- &cmd("cp perl$exe_ext $installbin/perl$ver$exe_ext");
-
- &safe_unlink("$installbin/sperl$ver$exe_ext");
- if ($d_dosuid) {
- &cmd("cp suidperl$exe_ext $installbin/sperl$ver$exe_ext");
- &chmod(04711, "$installbin/sperl$ver$exe_ext");
- }
-
- exit 0 if $versiononly;
-
- # Make links to ordinary names if installbin directory isn't current directory.
-
- if (! &samepath($installbin, '.')) {
- &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 $d_dosuid;
- }
-
- if (! &samepath($installbin, 'x2p')) {
- &safe_unlink("$installbin/a2p$exe_ext");
- &cmd("cp x2p/a2p$exe_ext $installbin/a2p$exe_ext");
- &chmod(0755, "$installbin/a2p$exe_ext");
- }
-
- # Install scripts.
-
- mkpath($installscript, 1, 0777);
-
- for (@scripts) {
- if (-f $_) { # cppstdin might not exist on this system.
- &cmd("cp $_ $installscript");
- s#.*/##; &chmod(0755, "$installscript/$_");
- }
- }
-
- # Install pod pages. Where? I guess in $installprivlib/pod.
- mkpath("${installprivlib}/pod", 1, 0777);
- foreach $file (@pods) {
- # $file is a name like pod/perl.pod
- cp_if_diff($file, "${installprivlib}/${file}");
- }
-
- # Install old man pages.
-
- if ($installman1dir ne '') {
- mkpath($installman1dir, 1, 0777);
-
- if (! &samepath($installman1dir, '.')) {
- for (@manpages) {
- ($new = $_) =~ s/man$/$man1ext/;
- $new =~ s#.*/##;
- print STDERR " Installing $installman1dir/$new\n";
- next if $nonono;
- open(MI,$_) || warn "Can't open $_: $!\n";
- open(MO,">$installman1dir/$new") ||
- warn "Can't install $installman1dir/$new: $!\n";
- print MO ".ds RP Release $release Patchlevel $patchlevel\n";
- while (<MI>) {
- print MO;
- }
- close MI;
- close MO;
- }
- }
- }
-
- # Install library files.
-
- $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, '.');
-
- 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: $!\n";
- }
-
- # Install header files and libraries.
- mkpath("$installarchlib/CORE", 1, 0777);
- foreach $file (<*.h libperl*.*>) {
- cp_if_diff($file,"$installarchlib/CORE/$file");
- }
- # AIX needs perl.exp installed as well.
- cp_if_diff("perl.exp" ,"$installarchlib/CORE/perl.exp") if ($^O eq 'aix');
-
- # If they have built sperl.o...
- cp_if_diff("sperl.o" ,"$installarchlib/CORE/sperl.o") if (-f 'sperl.o');
-
-
- # Offer to install perl in a "standard" location
-
- $mainperl_is_instperl = 0;
-
- 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$exe_ext") {
- # 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$exe_ext", "$installbin/perl$exe_ext") ||
- (($binexp ne $installbin) &&
- (-l "$mainperldir/perl$exe_ext") &&
- ((readlink "$mainperldir/perl$exe_ext") eq "$binexp/perl$exe_ext"));
- }
- 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("$mainperldir/perl$exe_ext");
- eval 'link("$installbin/perl$exe_ext", "$mainperldir/perl$exe_ext")' ||
- eval 'symlink("$binexp/perl$exe_ext", "$mainperldir/perl$exe_ext")' ||
- &cmd("cp $installbin/perl$exe_ext $mainperldir$exe_ext");
- $mainperl_is_instperl = 1;
- }
- }
-
- # 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.
-
- $dirsep = ($^O eq 'os2') ? ';' : ':' ;
- ($path = $ENV{"PATH"}) =~ s:\\:/:g ;
- @path = split(/$dirsep/, $path);
- @otherperls = ();
- for (@path) {
- next unless m,^/,;
- next if ($_ 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$exe_ext")
- if (-x "$_/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 " ", $_, "\n";
- }
- print STDERR "\n";
- }
-
- print STDERR " Installation complete\n";
-
- exit 0;
-
- ###############################################################################
-
- sub yn {
- local($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;
-
- foreach $name (@names) {
- next unless -e $name;
- chmod 0777, $name if $^O eq 'os2';
- print STDERR " unlink $name\n";
- ( CORE::unlink($name) and ++$cnt
- or warn "Couldn't unlink $name: $!\n" ) unless $nonono;
- }
- return $cnt;
- }
-
- sub safe_unlink {
- local(@names) = @_;
-
- foreach $name (@names) {
- next unless -e $name;
- next if $nonono;
- chmod 0777, $name if $^O eq 'os2';
- print STDERR " unlink $name\n";
- next if CORE::unlink($name);
- warn "Couldn't unlink $name: $!\n";
- if ($! =~ /busy/i) {
- print STDERR " mv $name $name.old\n";
- &rename($name, "$name.old") || warn "Couldn't rename $name: $!\n";
- }
- }
- }
-
- sub cmd {
- local($cmd) = @_;
- print STDERR " $cmd\n";
- unless ($nonono) {
- system $cmd;
- warn "Command failed!!!\n" if $?;
- }
- }
-
- sub rename {
- local($from,$to) = @_;
- if (-f $to and not unlink($to)) {
- my($i);
- for ($i = 1; $i < 50; $i++) {
- last if CORE::rename($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 {
- local($from,$to) = @_;
-
- print STDERR " ln $from $to\n";
- eval {
- CORE::link($from,$to) || warn "Couldn't link $from to $to: $!\n" unless $nonono;
- };
- if ($@) {
- system( $cp, $from, $to )
- && warn "Couldn't copy $from to $to: $!\n" unless $nonono;
- }
- }
-
- sub chmod {
- local($mode,$name) = @_;
-
- printf STDERR " chmod %o %s\n", $mode, $name;
- CORE::chmod($mode,$name) || warn sprintf("Couldn't chmod %o %s: $!\n",$mode,$name)
- unless $nonono;
- }
-
- sub samepath {
- local($p1, $p2) = @_;
- local($dev1, $ino1, $dev2, $ino2);
-
- if ($p1 ne $p2) {
- ($dev1, $ino1) = stat($p1);
- ($dev2, $ino2) = stat($p2);
- ($dev1 == $dev2 && $ino1 == $ino2);
- }
- else {
- 1;
- }
- }
-
- sub installlib {
- my $dir = $File::Find::dir;
- $dir =~ s#^\.(?![^/])/?##;
-
- my $name = $_;
-
- # ignore patch backups and the .exists files.
- return if $name =~ m{\.orig$|~$|^\.exists};
-
- $name = "$dir/$name" if $dir ne '';
-
- my $installlib = $installprivlib;
- if ((substr($dir, 0, 4) eq 'auto') || ($name eq 'Config.pm')) {
- $installlib = $installarchlib;
- return unless $do_installarchlib;
- } else {
- return unless $do_installprivlib;
- }
-
- if (-f $_) {
- if (/\.al$/ || /\.ix$/) {
- $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");
- }
- system "cmp", "-s", $_, "$installlib/$name";
- if ($?) {
- &unlink("$installlib/$name");
- mkpath("$installlib/$dir", 1, 0777);
- cp_if_diff($_, "$installlib/$name");
- # HP-UX (at least) needs to maintain execute permissions
- # on dynamically-loaded libraries.
- if ($name =~ /\.(so|$dlext)$/o) {
- &chmod(0555, "$installlib/$name");
- }
- else {
- &chmod(0444, "$installlib/$name");
- }
- }
- } elsif (-d $_) {
- mkpath("$installlib/$name", 1, 0777);
- }
- }
-
- # Copy $from to $to, only if $from is different than $to.
- # Also preserve modification times for .a libraries.
- # On some systems, if you do
- # ranlib libperl.a
- # cp libperl.a /usr/local/lib/perl5/archlib/CORE/libperl.a
- # and then try to link against the installed libperl.a, you might
- # get an error message to the effect that the symbol table is older
- # than the library.
- sub cp_if_diff {
- my($from,$to)=@_;
- -f $from || die "$0: $from not found";
- system "cmp", "-s", $from, $to;
- if ($?) {
- my ($atime, $mtime);
- unlink($to); # In case we don't have write permissions.
- cmd("cp $from $to");
- # Restore timestamps if it's a .a library.
- if ($to =~ /\.a$/) {
- ($atime, $mtime) = (stat $from)[8,9];
- utime $atime, $mtime, $to;
- }
- }
- }
-