package lib;

# THIS FILE IS AUTOMATICALLY GENERATED FROM lib_pm.PL.
# ANY CHANGES TO THIS FILE WILL BE OVERWRITTEN BY THE NEXT PERL BUILD.

use Config;

use strict;

my $archname = $Config{archname};
my $version = $Config{version};
my @inc_version_list = reverse split / /, $Config{inc_version_list};

our @ORIG_INC = @INC; # take a handy copy of 'original' value
our $VERSION = '0.63';

sub import {
shift;

my %names;
foreach (reverse @_) {
my $path = $_; # we'll be modifying it, so break the alias
if ($path eq '') {
require Carp;
Carp::carp("Empty compile time value given to use lib");
}

if ($path !~ /\.par$/i && -e $path && ! -d _) {
require Carp;
Carp::carp("Parameter to use lib must be directory, not file");
}
unshift(@INC, $path);
# Add any previous version directories we found at configure time
foreach my $incver (@inc_version_list)
{
my $dir = "$path/$incver";
unshift(@INC, $dir) if -d $dir;
}
# Put a corresponding archlib directory in front of $path if it
# looks like $path has an archlib directory below it.
my($arch_auto_dir, $arch_dir, $version_dir, $version_arch_dir)
= _get_dirs($path);
unshift(@INC, $arch_dir) if -d $arch_auto_dir;
unshift(@INC, $version_dir) if -d $version_dir;
unshift(@INC, $version_arch_dir) if -d $version_arch_dir;
}

# remove trailing duplicates
@INC = grep { ++$names{$_} == 1 } @INC;
return;
}

sub unimport {
shift;

my %names;
foreach my $path (@_) {
my($arch_auto_dir, $arch_dir, $version_dir, $version_arch_dir)
= _get_dirs($path);
++$names{$path};
++$names{$arch_dir} if -d $arch_auto_dir;
++$names{$version_dir} if -d $version_dir;
++$names{$version_arch_dir} if -d $version_arch_dir;
}

# Remove ALL instances of each named directory.
@INC = grep { !exists $names{$_} } @INC;
return;
}

sub _get_dirs {
my($dir) = @_;
my($arch_auto_dir, $arch_dir, $version_dir, $version_arch_dir);

$arch_auto_dir = "$dir/$archname/auto";
$arch_dir = "$dir/$archname";
$version_dir = "$dir/$version";
$version_arch_dir = "$dir/$version/$archname";

return($arch_auto_dir, $arch_dir, $version_dir, $version_arch_dir);
}

1;
__END__