loki_2.3 has been compiled and tested on the following systems:

Solaris sparc 5.8/5.7 (gcc)
Solaris intel 5.8 (gcc)
FreeBSD intel 4.0-4.5 (gcc)
OpenBSD intel 2.7-3.1 (gcc)
OSF1 V4.0 alpha (gcc,cc)
Linux intel 2.2,2.4 (gcc)
Linux sparc 2.2,2.4 (gcc)
Linux alpha 2.2,2.4 (gcc,ccc [dec compiler])
Irix R10000 6.5 (cc - 32 bit)
Irix R10000 6.5 (cc - 64 bit)
MacOSX G4 10.04,10.1 (gcc)
AIX 4.3.3 (gcc)

Information on successes/failures on other systems gratefully received.
