Amiga Tools 5/Amiga Tools 5.iso/tools/developer-tools/andere sprachen/perl5/perl5.002/installman

Text File | 1996-02-12 | 4.7 KB | 166 lines

#!./perl
BEGIN { @INC = ('lib') }
use Config;
use Getopt::Long;
use File::Find;
use File::Path qw(mkpath);
require Cwd;

umask 022;

$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'};

$usage =
"Usage:  installman --man1dir=/usr/wherever --man1ext=1
                    --man3dir=/usr/wherever --man3ext=3
            --notify --help
    Defaults are:
    man1dir = $Config{'installman1dir'};
    man1ext = $Config{'man1ext'};
    man3dir = $Config{'installman3dir'};
    man3ext = $Config{'man3ext'};
    --notify (or -n) just lists commands that would be executed.\n";

GetOptions( qw( man1dir=s man1ext=s man3dir=s man3ext=s notify n help))
    || die $usage;
die $usage if $opt_help;

# These are written funny to avoid -w typo warnings.
$man1dir = defined($opt_man1dir) ? $opt_man1dir : $Config{'installman1dir'};
$man1ext = defined($opt_man1ext) ? $opt_man1ext : $Config{'man1ext'};
$man3dir = defined($opt_man3dir) ? $opt_man3dir : $Config{'installman3dir'};
$man3ext = defined($opt_man3ext) ? $opt_man3ext : $Config{'man3ext'};

$notify = $opt_notify || $opt_n;

#Sanity checks

-x  "./perl"    || warn "./perl not found!  Have you run make?\n";
-d  $Config{'installprivlib'}
    || warn "Perl library directory $Config{'installprivlib'} not found.
        Have you run make install?.  (Installing anyway.)\n";
-x 't/TEST'        || warn "WARNING: You've never run 'make test'!!!",
    "  (Installing anyway.)\n";

# Install the main pod pages.
runpod2man('pod', $man1dir, $man1ext);

# Install the pods for library modules.
runpod2man('lib', $man3dir, $man3ext);

sub runpod2man {
    my($poddir, $mandir, $manext) = @_;
    my($builddir) = Cwd::getcwd();

    if ($mandir eq ' ' or $mandir eq '') {
    print STDERR "Skipping installation of $poddir man pages.\n";
    return;
    }

    chdir $poddir || die "Unable to cd to $poddir directory!\n$!\n";

    # We insist on using the current version of pod2man in case there
    # are enhancements or changes from previous installed versions.
    # The error message doesn't include the '..' because the user
    # won't be aware that we've chdir to $poddir.
    -x  "../pod/pod2man" || die "Executable pod/pod2man not found.\n";

    # We want to be sure to use the current perl.  We can't rely on
    # the installed perl because it might not be actually installed
    # yet. (The user may have set the $install* Configure variables
    # to point to some temporary home, from which the executable gets
    # installed by occult means.)
    $pod2man = "../perl -I ../lib ../pod/pod2man --section=$manext --official";

    mkpath($mandir, 1, 0777);  # In File::Path
    # Make a list of all the .pm and .pod files in the directory.  We will
    # always run pod2man from the lib directory and feed it the full pathname
    # of the pod.  This might be useful for pod2man someday.
    @modpods = ();
    find(\&lsmodpods, '.');
    foreach $mod (@modpods) {
    $manpage = $mod;
    # Convert name from  File/Basename.pm to File::Basename.3 format,
    # if necessary.
    $manpage =~ s#\.p(m|od)$##;
    $manpage =~ s#/#::#g;
    $manpage = "${mandir}/${manpage}.${manext}";
    &cmd("$pod2man $mod > $manpage.tmp");
    if (-s "$manpage.tmp") {
        rename("$manpage.tmp", $manpage) && next;
        warn "cannot rename to $manpage: $!";
    }
    print STDERR "unlink $manpage.tmp\n";
    unless ($notify) {
        unlink("$manpage.tmp") || warn "cannot unlink $manpage.tmp: $!";
    }
    }
    chdir "$builddir" || die "Unable to cd back to $builddir directory!\n$!\n";
}

sub lsmodpods {
    my $dir  = $File::Find::dir;
    my $name = $File::Find::name;
    if (-f $_) {
        $name =~ s#^\./##;
    push(@modpods, $name) if ($name =~ /\.p(m|od)$/);
    }
}

print STDERR "  Installation complete\n";

exit 0;


###############################################################################
# Utility subroutines from installperl

sub cmd {
    local($cmd) = @_;
    print STDERR "  $cmd\n";
    unless ($notify) {
    if ($Config{d_fork}) {
        fork ? wait : exec $cmd;  # Allow user to ^C out of command.
    }
    else {
        system $cmd;
    }
    warn "Command failed!!\n" if $?;
    }
    return $? != 0;
}

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

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

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

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

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;
    }
}