#
# $Id: Makefile.PL 1608 2017-12-07 10:10:38Z willem $ -*-perl-*-
#
BEGIN {
die <<RIP if $] < 5.006;
This version of Net::DNS has not been tested against perl $]
and now requires version 5.6 or later.
RIP
}
use strict;
use warnings;
use ExtUtils::MakeMaker;
use Getopt::Long;
use IO::Socket;
# See perldoc ExtUtils::MakeMaker for details of how to influence
# the contents of the Makefile that is written.
my %metadata = (
NAME => 'Net::DNS',
VERSION_FROM => 'lib/Net/DNS.pm',
ABSTRACT_FROM => 'lib/Net/DNS.pm',
AUTHOR => 'Olaf Kolkman et al',
LICENSE => 'mit',
MIN_PERL_VERSION => 5.006,
);
my %platform = ( ## platform-specific dependencies
MSWin32 => {
'Win32::IPHelper' => 0.07,
'Win32::API' => 0.55,
'Win32::TieRegistry' => 0.24,
} );
my $platform = $platform{$^O} || {};
my %prerequisite = (
'Digest::HMAC' => 1.03,
'Digest::MD5' => 2.13,
'Digest::SHA' => 5.23,
'File::Spec' => 0.86,
'IO::Socket' => 1.16,
'MIME::Base64' => 2.11,
'Time::Local' => 1.19,
'Test::More' => 0.52,
%$platform
);
my %optional = (
'Net::DNS::SEC' => 1.01, ## For information only
'Digest::BubbleBabble' => 0.01,
'IO::Socket::INET6' => 2.51,
'IO::Socket::IP' => 0.38,
'Net::LibIDN' => 0.12,
'Net::LibIDN2' => 1.00,
'Scalar::Util' => 1.25,
);
my @debris = qw(
.resolv.conf
t/IPv6.enabled
t/online.enabled t/online.nonfatal
zone[0-9].txt zone[0-9][0-9].txt
);
delete $optional{'Net::DNS::SEC'}; ## Note: MUST NOT be installed automatically
use constant USE_SOCKET_IP => defined eval 'use IO::Socket::IP 0.32; 1;';
use constant USE_SOCKET_INET6 => defined eval 'require IO::Socket::INET6';
delete $optional{'IO::Socket::INET6'} if USE_SOCKET_IP; # exclude redundant dependency
delete $optional{'Net::LibIDN'} if eval 'require Net::LibIDN2';
print <<EOT if !USE_SOCKET_IP && USE_SOCKET_INET6;
#
# This Net::DNS installation uses the IO::Socket::INET6 package
# which has been superseded by IO::Socket::IP.
#
# IPv6 support using IO::Socket::INET6 will be discontinued in
# a future release.
#
EOT
# clean up existing makefile
unlink('Makefile');
WriteMakefile( ## Makefile & distribution metadata
%metadata,
PREREQ_PM => {%prerequisite},
META_MERGE => {recommends => {%optional}},
clean => {FILES => "@debris"},
);
# clean up the online testing flag file.
unlink("t/online.enabled");
unlink("t/online.disabled");
# clean up the IPv6 testing flag file.
unlink("t/IPv6.enabled");
unlink("t/IPv6.disabled");
#
# Get the command line args
#
my $help = 0;
my $IPv6_tests;
my $online_tests = 2; ## 2 = non-fatal, 1 = on, 0 = off ##
my @options = (
'online-tests!' => \$online_tests,
'non-fatal-online-tests' => sub { $online_tests = 2; },
'IPv6-tests!' => \$IPv6_tests,
'help!' => \$help
);
unless ( GetOptions(@options) ) {
print "Error: Unrecognized option.\n";
print "Try perl Makefile.PL --help for more information\n";
exit 1;
}
if ($help) {
print <<EOT;
Usage: perl Makefile.PL [OPTION...]
Prepare Makefile for building and installing Net::DNS
--online-tests Perform tests by communicating with the
outside world. Beware that their success is
also dependent on outside influences.
--noonline-tests Skip online tests completely.
--IPv6-tests Perform IPv6 specific online tests. Default is
the same as regular online tests.
--noIPv6-tests Skip IPv6 specific online test
--non-fatal-online-tests Perform online test, but do not let failures
negatively affect the outcome of running
make test. This is the default.
EOT
exit 0;
}
#
# Check if we have internet connection (code lifted from LWP)
#
if ($online_tests) {
my $class = USE_SOCKET_IP ? 'IO::Socket::IP' : 'IO::Socket::INET';
my $socket = $class->new(
PeerAddr => "www.google.com:80",
Timeout => 10
);
unless ($socket) {
$online_tests = 0;
print <<EOT;
You appear not to be directly connected to the Internet.
Disabling online tests altogether...
EOT
}
}
if ($online_tests) {
my $enable = 't/online.enabled';
open( ENABLED, ">$enable" ) || die "Can't touch $enable $!";
close(ENABLED) || die "Can't touch $enable $!";
if ( $online_tests == 2 ) {
my $nonfatal = 't/online.nonfatal';
open( NONFATAL, ">$nonfatal" ) || die "Can't touch $nonfatal $!";
close(NONFATAL) || die "Can't touch $nonfatal $!";
print "\nActivating Non Fatal Online Tests...\n";
} else {
print "\nActivating Online Tests...\n";
}
$IPv6_tests = 1 unless defined $IPv6_tests;
if ( USE_SOCKET_IP || USE_SOCKET_INET6 ) {
if ($IPv6_tests) {
my $enable = 't/IPv6.enabled';
print "\nActivating IPv6 Tests...\n";
open( ENABLED, ">$enable" ) || die "Can't touch $enable $!";
close(ENABLED) || die "Can't touch $enable $!";
}
}
print <<EOT;
Warning!
========
Online tests depend on conditions beyond the control of Net::DNS. The tests
check for the expected results when both Net::DNS and the outside world are
functioning properly. In case of failure it is often undecidable if the error
lies within Net::DNS or elsewhere.
EOT
}
package MY; ## customise generated Makefile
sub install {
my $self = shift;
my %install_type = qw(perl INSTALLPRIVLIB site INSTALLSITELIB vendor INSTALLVENDORLIB);
my $install_site = join '', '$(DESTDIR)$(', $install_type{$self->{INSTALLDIRS}}, ')';
for ($install_site) {
s/\$\(([A-Z_]+)\)/$self->{$1}/eg while /\$\(/; # expand Makefile macros
s|([/])[/]+|$1|g; # remove gratuitous //s
}
eval 'require Net::DNS';
my @version = grep $_, ( 'version', $Net::DNS::VERSION );
my $nameregex = '\W+Net\WDNS.pm$';
my @installed = grep $_ && m/$nameregex/io, values %INC;
my %noinstall;
foreach (@installed) {
my $path = $1 if m/^(.+)$nameregex/i;
my %seen;
foreach (@INC) {
$seen{$_}++; # find $path in @INC
last if $_ eq $path;
}
foreach ( grep !$seen{$_}, @INC ) {
$noinstall{$_}++; # mark hidden libraries
}
}
return $self->SUPER::install(@_) unless $noinstall{$install_site};
warn <<"AMEN";
##
## The install location for this version of Net::DNS differs
## from the existing @version in your perl library.
## @installed
##
## The installation will be rendered ineffective because the
## library search finds the existing version before reaching
## $install_site
##
## Makefile has been generated to support build and test only.
##
AMEN
return <<'END';
install :
$(NOECHO) $(ECHO) "## Makefile supports test build only"
$(NOECHO) $(ECHO) "## (see message from Makefile.PL)"
$(NOECHO) $(FALSE)
END
}
sub postamble {
return <<'END';
test_cover : pure_all
cover -delete
HARNESS_PERL_SWITCHES=-MDevel::Cover $(MAKE) test
cover -summary
END
}
__END__