unless ( eval "use Module::Build::Compat 0.02; 1" ) {
        print "This module requires Module::Build to install itself.\n";

        require ExtUtils::MakeMaker;
        my $yn =
          ExtUtils::MakeMaker::prompt( '  Install Module::Build now from CPAN?',            'y' );

        unless ( $yn =~ /^y/i ) {
            die " *** Cannot install without Module::Build.  Exiting ...\n";
        }

        require Cwd;
        require File::Spec;
        require CPAN;

        # Save this 'cause CPAN will chdir all over the place.
        my $cwd      = Cwd::cwd();
        my $makefile = File::Spec->rel2abs($0);

        CPAN::Shell->install('Module::Build::Compat')
          or die " *** Cannot install without Module::Build.  Exiting ...\n";

        chdir $cwd or die "Cannot chdir() back to $cwd: $!";
    }
    eval "use Module::Build::Compat 0.02; 1" or die $@;
    use lib '_build/lib';
    Module::Build::Compat->run_build_pl( args => \@ARGV );
    require Module::Build;
    Module::Build::Compat->write_makefile( build_class => 'Module::Build' );