# We need at least Perl 5.6.2
require 5.6.2;
use strict;
# Load the Module::Install bundled in ./inc/
use inc::Module::Install;
# The name of your distribution
name            'Math-BigInt';
# Get most of the details from the primary module
all_from        'lib/Math/BigInt.pm';
requires        'perl'          => 5.006002;
# see if old versions are installed, and if so, force
# and upgrade:
my @checks;
check_minimum_version ('Math::BigInt::FastCalc' => 0.14);
check_minimum_version ('Math::BigInt::GMP'      => 1.21);
check_minimum_version ('Math::BigInt::Pari'     => 1.12);
check_minimum_version ('Math::BigRat'           => 0.19);
check_minimum_version ('bignum'                 => 0.21);
if (@checks > 0)
  {
  print ("\n" . '*' x 70 . "\n Attention: After installing this package, you also need to update:\n\n");
  for my $need (@checks)
    {
    my $name = $need->[0]; while (length($name) < 24) { $name .= ' '; }
    print "  $name to at least v$need->[1]\t (you have v$need->[2])\n";
    }
  print "\n";
  sleep(5);
  };
build_requires  'Test::More'    => 0.62;
install_as_core();
license         'perl';
author          'Tels <nospam-abuse@bloodgate.com>';
# Do not index these
no_index        directory       => 'examples';
# Generate the Makefile
WriteAll;
1;
sub check_minimum_version
  {
  my ($module, $version) = @_;
  my $v; eval " require $module; \$v = \$${module}::VERSION;";
  recommends    $module, $version;
  # if the module is installed, but outdated, add it to the requirements
  if (defined $v && $v < $version)
    {
    push @checks, [ $module, $version, $v ];
    } 
  }