Nautilus 1992 July/Nautilus-3-8/Nautilus-3-8.bin/Tools & Utilities/Techy Stuff/Development Environments ƒ/Perl 4.0.2 ƒ/unix/installperl

Text File | 1992-01-05 | 4.8 KB | 206 lines

#!./perl

while (@ARGV) {
    $nonono = 1 if $ARGV[0] eq '-n';
    $versiononly = 1 if $ARGV[0] eq '-v';
    shift;
}

umask 022;

@scripts = ('cppstdin', 'h2ph', 'c2ph', 'pstruct', 'x2p/s2p', 'x2p/find2perl');
@manpages = ('perl.man', 'h2ph.man', 'x2p/a2p.man', 'x2p/s2p.man');

$version = sprintf("%5.3f", $]);
$release = substr($version,0,3);
$patchlevel = substr($version,3,2);

# Read in the config file.

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 .= $_;
}

# 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/#;

-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 't/TEST'        || warn "WARNING: You've never run 'make test'!!!",
    "  (Installing anyway.)\n";

# First we install the version-numbered executables.

$ver = sprintf("%5.3f", $]);

&unlink("$installbin/perl$ver");
&cmd("cp perl $installbin/perl$ver");

&unlink("$installbin/tperl$ver");
&cmd("cp taintperl $installbin/tperl$ver");
&chmod(0755, "$installbin/tperl$ver");        # force non-suid for security

&unlink("$installbin/sperl$ver");
if ($d_dosuid) {
    &cmd("cp suidperl $installbin/sperl$ver");
    &chmod(04711, "$installbin/sperl$ver");
}

exit 0 if $versiononly;

# Make links to ordinary names if installbin directory isn't current directory.

($bdev,$bino) = stat($installbin);
($ddev,$dino) = stat('.');

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;
}

($bdev,$bino) = stat($installbin);
($ddev,$dino) = stat('x2p');

if ($bdev != $ddev || $bino != $dino) {
    &unlink("$installbin/a2p");
    &cmd("cp x2p/a2p $installbin/a2p");
}

# Make some enemies in the name of standardization.   :-)

($udev,$uino) = stat("/usr/bin");

if (-w _ && ($udev != $ddev || $uino != $dino) && !$nonono) {
    &unlink("/usr/bin/perl");
    eval 'symlink("$installbin/perl", "/usr/bin/perl")' ||
    eval 'link("$installbin/perl", "/usr/bin/perl")' ||
    &cmd("cp $installbin/perl /usr/bin");
}

# 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 $nonono;
        open(MI,$_);
        open(MO,">$mansrc/$new");
        print MO ".ds RP Release $release Patchlevel $patchlevel\n";
        while (<MI>) {
        print MO;
        }
        close MI;
        close MO;
    }
    }
}

# Install library files.

&makedir($installprivlib);
if (chdir "lib") {

    ($pdev,$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");
        }
    }
    }
    chdir ".." || die "Can't cd back to source directory: $!\n";
}
else {
    warn "Can't cd to lib to install lib files: $!\n";
}

&chmod(0755, "usub/mus");

print STDERR "  Installation complete\n";

exit 0;

###############################################################################

sub unlink {
    local(@names) = @_;

    foreach $name (@names) {
    next unless -e $name;
    print STDERR "  unlink $name\n";
    unlink($name) || warn "Couldn't unlink $name: $!\n" unless $nonono;
    }
}

sub cmd {
    local($cmd) = @_;
    print STDERR "  $cmd\n";
    unless ($nonono) {
    system $cmd;
    warn "Command failed!!!\n" if $?;
    }
}

sub link {
    local($from,$to) = @_;

    print STDERR "  ln $from $to\n";
    link($from,$to) || warn "Couldn't link $from to $to: $!\n" unless $nonono;
}

sub chmod {
    local($mode,$name) = @_;

    printf STDERR "  chmod %o %s\n", $mode, $name;
    chmod($mode,$name) || warn "Couldn't chmod $mode $name: $!\n"
    unless $nonono;
}

sub makedir {
    local($dir) = @_;
    unless (-d $dir) {
    local($shortdir) = $dir;

    $shortdir =~ s#(.*)/.*#$1#;
    &makedir($shortdir);

    print STDERR "  mkdir $dir\n";
    mkdir($dir, 0777) || warn "Couldn't create $dir: $!\n" unless $nonono;
    }
}