r5216 (post 6.3.9-rc3) built successfully on:
=============================================

Linuxish:
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SUSE LINUX 10.0 i386
Ubuntu Linux 8.04.1 (Hardy Heron)
openSUSE 11.0 i386

BSD-ish:
--------
NetBSD 4.0 i386
FreeBSD 7.0 i386
Darwin 9.5 PPC

SysV-ish:
---------
Solaris 8 SPARC
Solaris 8 SPARC64