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 = '0.62';
my $Is_MacOS = $^O eq 'MacOS';
my $Mac_FS;
if ($Is_MacOS) {
require File::Spec;
$Mac_FS = eval { require Mac::FileSpec::Unixish };
}
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");
}
$path = _nativize($path);
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 = $Is_MacOS
? File::Spec->catdir( $path, $incver )
: "$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 $path = _nativize($_);
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, $version_arch_dir);
# we could use this for all platforms in the future, but leave it
# Mac-only for now, until there is more time for testing it.
if ($Is_MacOS) {
$arch_auto_dir = File::Spec->catdir( $dir, $archname, 'auto' );
$arch_dir = File::Spec->catdir( $dir, $archname, );
$version_dir = File::Spec->catdir( $dir, $version );
$version_arch_dir = File::Spec->catdir( $dir, $version, $archname );
} else {
$arch_auto_dir = "$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, $version_arch_dir);
}
sub _nativize {
my($dir) = @_;
if ($Is_MacOS && $Mac_FS && ! -d $dir) {
$dir = Mac::FileSpec::Unixish::nativize($dir);
$dir .= ":" unless $dir =~ /:$/;
}
return $dir;
}
1;
__END__
=head1 NAME
lib - manipulate @INC at compile time
=head1 SYNOPSIS
use lib LIST;
no lib LIST;
=head1 DESCRIPTION
This is a small simple module which simplifies the manipulation of @INC
at compile time.
It is typically used to add extra directories to perl's search path so
that later C