V3 PATCH: Use -rpath, not --rpath, when testing

[Benjamin Kosnik]

Great news about the irix port, Mark! Thanks for pitching in.

> Since V3 is all libtoolized, why not use libtool here?  The current
> scheme isn't going to work well on systems (like Solaris) that don't
> use -rpath; Solaris uses -R instead, IIRC.

I'm unsure of what you're getting at here. Can you explain what you mean 
by "use libtool here?" If there's a less kludgey way to do this, using 
libtool, then let's do it.

The whole mkcheck thing is a bit of a gross hack, unfortunately. (You've 
probably noticed this by now :] ). Some of the performace info was 
necessary for tuning and making sure the library wasn't completely 
insane, size and compile-time wise. I couldn't figure out a way to do 
this with more conventional tools. I'm open to suggestions, however.

Thanks,
benjamin