> Has anyone been able to compile PostgresSQL on netbsd for a pmax? It
> is failing when trying to determine a spinlock mechanism for it.

 There is patch contains MIPS test-and-set code(tas_dummy)

  ftp://ftp.sra.co.jp/pub/cmd/postgres/6.4.2/patches/m68k-cq.patch

that is for Linux/MIPS on CobaltQube
(http://www.cobaltmicro.com/products/index.html).

-mochid