Martin> It seems that Skip chose the blacklist approach (aka the Martin> I-care-only-about-MacOS approach). Skip's approach is probably Martin> overkill, since there will be already -L options for all those Martin> directories. It appears that OS X records the full path of the Martin> library in the binary, so the notion of a runtime path is Martin> irrelevant. I didn't want to return "" because that would require me to filter it out of the argument list elsewhere. "-L" + dir seemed like the most innocuous change. Skip