Don't check for bc at all. We can now run a meaningful test even if

    goto err;

}

if (`echo 4+1 | bc` != 5 || (system("sh test/bctest >/dev/null") >> 8) != 0)

{

    print OUT "Can't run bc! Test skipped.\n";

    print OUT $not_our_fault;

    goto err;

}

print "Running make test...\n";

if (system("make test 2>&1 | tee maketest.log") > 255)

 {