Must we still disable threads on *-*-solaris*?
Back in 2005, in 8753e7ef (svn:r4383), we disabled threading on Solaris, in order to prevent some lockup bug or other. Unfortunately, back in 2005 we weren't so good at tracking bugs, so I can't easily find who reported it or how we diagnosed it.
But this is eight years later. If there was really a platform bug, surely it's gotten better by now?
We could contact one of the two or three operators whose nodes report being "on SunOS", and ask them if their nodes still work after an explicit --enable-threads , I guess.
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