Makefile.PL

# -*- perl -*-

use 5.008;
use strict;
use warnings;
use ExtUtils::MakeMaker;

my $conflictMsg = <<EOCM;
***
    This version of SQL::Statement conflicts with
    the version of module %s (%s) you have installed.

    It's strongly recommended that you update it after
    installing this version of SQL::Statement.
***
EOCM

my $selfConflictMsg = <<EOSCM;
***
    This version of SQL::Statement conflicts with
    the version of %s (%s) you have installed.

    It's strongly recommended that you carefully read
    the Changes file and test your application with
    this version before finally upgrading.

    See local::lib how to do it easily.
***
EOSCM

WriteMakefile1(
    MIN_PERL_VERSION => '5.008',
    META_MERGE       => {
                    resources => {
                                  repository => 'https://svn.perl.org/modules/SQL-Statement/trunk/',
                                  MailingList => 'mailto:dbi-dev@perl.org',
                                  license     => 'http://dev.perl.org/licenses/',
                                 },
                  },
    NAME          => 'SQL::Statement',
    VERSION_FROM  => 'lib/SQL/Statement.pm',
    ABSTRACT_FROM => 'lib/SQL/Statement.pm',
    dist          => {
              'SUFFIX'       => ".gz",
              'DIST_DEFAULT' => 'manifest tardist',
              'COMPRESS'     => "gzip -9vf"
            },
    PREREQ_PM => {
                   'Carp'         => '0',
                   'Clone'        => '0.30',
                   'Data::Dumper' => '0',
                   'Params::Util' => '1.00',
                   'Scalar::Util' => '1.0',
                 },
    CONFLICTS => {
                   'SQL::Statement' => '1.20',
                   'DBI'            => '1.611',
                   'DBD::AnyData'   => '0.09',
                   'DBD::CSV'       => '0.29',
                 },
    LICENSE        => 'perl',
    BUILD_REQUIRES => {
        'Test::Simple' => '0.90',
                      },
    AUTHOR => 'Jeff Zucker <jeff@vpservices.com>, Jens Rehsack <rehsack@cpan.org>',
    test   => { TESTS => 't/*.t xt/*.t' },
              );

sub CheckConflicts
{
    my %params    = @_;
    my %conflicts = %{ $params{CONFLICTS} };
    my $found     = 0;

    while ( my ( $module, $version ) = each(%conflicts) )
    {
        undef $@;
        eval "require $module";
        next if $@;
        my $installed = eval "\$" . $module . "::VERSION";
        if ( $installed le $version )
        {
            ++$found;
            my $msg = $module eq $params{NAME} ? $selfConflictMsg : $conflictMsg;
            my $warning = sprintf( $msg, $module, $installed );
            warn $warning;
        }
    }

    return !$found;
}

sub WriteMakefile1
{    #Written by Alexandr Ciornii, version 0.21. Added by eumm-upgrade.
    my %params       = @_;
    my $eumm_version = $ExtUtils::MakeMaker::VERSION;
    $eumm_version = eval $eumm_version;
    die "EXTRA_META is deprecated" if ( exists( $params{EXTRA_META} ) );
    die "License not specified"    if ( !exists( $params{LICENSE} ) );
    if ( $params{BUILD_REQUIRES} and ( $eumm_version < 6.5503 ) )
    {
        #EUMM 6.5502 has problems with BUILD_REQUIRES
        $params{PREREQ_PM} = { %{ $params{PREREQ_PM} || {} }, %{ $params{BUILD_REQUIRES} } };
        delete $params{BUILD_REQUIRES};
    }
    delete $params{CONFIGURE_REQUIRES} if ( $eumm_version < 6.52 );
    delete $params{MIN_PERL_VERSION}   if ( $eumm_version < 6.48 );
    delete $params{META_MERGE}         if ( $eumm_version < 6.46 );
    delete $params{META_ADD}           if ( $eumm_version < 6.46 );
    delete $params{LICENSE}            if ( $eumm_version < 6.31 );
    delete $params{AUTHOR}             if ( $] < 5.005 );
    delete $params{ABSTRACT_FROM}      if ( $] < 5.005 );
    delete $params{BINARY_LOCATION}    if ( $] < 5.005 );

    # more or less taken from Moose' Makefile.PL
    if ( $params{CONFLICTS} )
    {
        my $ok = CheckConflicts(%params);
        exit(0) if ( $params{PREREQ_FATAL} and not $ok );
        my $cpan_smoker = grep { $_ =~ m/(?:CR_SMOKER|CPAN_REPORTER|AUTOMATED_TESTING)/ } keys %ENV;
        unless ( $cpan_smoker || $ENV{PERL_MM_USE_DEFAULT} || $ENV{SQL_STATEMENT_WARN_UPDATE} )
        {
            sleep 4 unless ($ok);
        }
        delete $params{CONFLICTS};
    }

    WriteMakefile(%params);
}