sub MY::postamble {
    my (undef,%h) = @_;
    require Data::Dumper;
    #print STDERR Data::Dumper->Dump([\%h], [qw(mm_args{postamble})]);
    return "BENCHMARK_FILES=$h{BENCHMARK_FILES}\n"
        . <<'POSTAMBLE';
#bench :: benchmarks/*.b
bench :: $(BENCHMARK_FILES)
        prove --blib $(INST_LIB) --blib $(INST_ARCHLIB) --verbose $^
POSTAMBLE
}