Clicking on the link for TBB on Solaris (http://threadingbuildingblocks.org/solaris.php) gets a 404 FILE NOT FOUND error.
I tried following the link from the main page just now and it seemed to work for me. Perhaps it was just a momentary lapse, or perhaps a server access problem that is now resolved?
Ah. There it is now. Probably a passing server problem. Never mind.