>I had the same problem some time ago, and just avoided it. in the
>meantime, GNU Portable Threads (pth) from Ralf S. Engelschall came up,
>you might have (limited?) success with this. Performance is a pain in
>the ass, anyhow.
I read this from INSTALL-SOURCE:

If your system does not provide native thread support, you will need to
build *MySQL* using the MIT-pthreads package.  This includes most
FreeBSD systems, SunOS 4.x, Solaris 2.4 and earlier, and some others.

So, how about thread on NetBSD/pmax?

     .------------------------------------------.
     |     Sonnie  Hook     |  sonnie@ustc.edu  |
     |------------------------------------------|
     |  the State Key Lab. of Fire Sci. (SKLFS) |
     | the Uni. of Sci. & Tech. of China (USTC) |
     `------------------------------------------'