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# ----------------------------------------------------------------------------
# "THE BEER-WARE LICENSE" (Revision 42)
# <tobez@tobez.org> wrote this file. As long as you retain this notice you
# can do whatever you want with this stuff. If we meet some day, and you think
# this stuff is worth it, you can buy me a beer in return. Anton Berezin
# ----------------------------------------------------------------------------
#
# $FreeBSD$
#
package BSDPAN;
#
# The pod documentation for this module is at the end of this file.
#
my $bsdpan_path; # Directory pathname of BSDPAN itself
BEGIN {
# Find this module's own path. Do this before anything else
# happens, even before the rest of the module compiles. Do this
# by looking into undocumented entries in the main (::) symbol
# table.
for (keys %::) {
$bsdpan_path = $1 if /^_<(.*\/|)BSDPAN.pm$/;
}
# deduce the BSDPAN's directory pathname
$bsdpan_path = '.' if $bsdpan_path eq '';
$bsdpan_path =~ tr|/|/|s;
$bsdpan_path =~ s|/$||;
}
sub path {
return $bsdpan_path;
}
sub perl_version {
require Config;
return $Config::Config{version};
}
sub perl_ver {
require Config;
# pre-5.6.1 perls
return $Config::Config{apiversion} if exists $Config::Config{apiversion};
# post-5.6.1 perls
return $Config::Config{version};
}
sub perl_arch {
require Config;
# pre-5.6.1 perls
return $Config::Config{archname} if exists $Config::Config{apiversion};
# post-5.6.1 perls
return 'mach';
}
sub builds_port {
# Are we building a p5 port at the moment?
# XXX There must be a more reliable way to check this.
if (defined $ENV{ARCH} ||
defined $ENV{OPSYS} ||
defined $ENV{OSREL} ||
defined $ENV{OSVERSION} ||
defined $ENV{PORTOBJFORMAT} ||
defined $ENV{SYSTEMVERSION}) {
return 1;
} else {
return 0;
}
}
sub builds_standalone {
return !BSDPAN->builds_port;
}
1;
__END__
=head1 NAME
BSDPAN - Symbiogenetic tool for Perl & BSD
=head1 SYNOPSIS
use BSDPAN;
$path = BSDPAN->path;
$ver = BSDPAN->perl_version;
$ver = BSDPAN->perl_ver;
$arch = BSDPAN->perl_arch;
$port = BSDPAN->builds_port;
$noport = BSDPAN->builds_standalone;
=head1 DESCRIPTION
BSDPAN is the collection of modules that provides tighter than ever
integration of Perl into BSD Unix.
Currently, BSDPAN does the following:
=over 4
=item o makes p5- FreeBSD ports PREFIX-clean;
=item o registers Perl modules with FreeBSD package database.
=back
BSDPAN achieves this by overriding certain functionality of the core
Perl modules, ExtUtils::MM_Unix, and ExtUtils::Packlist.
BSDPAN B<module> itself just provides useful helper functions for the
rest of the modules in BSDPAN collection.
=head1 AUTHOR
Anton Berezin, tobez@tobez.org
=head1 SEE ALSO
perl(1), ExtUtils::MakeMaker(3), L<BSDPAN::Override(3)>,
L<BSDPAN::ExtUtils::MM_Unix(3)>, L<BSDPAN::ExtUtils::Packlist(3)>.
=cut
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