I confirm functional Wings3D on IRIX!
I followed the guide provided by dsolaz with version 0.98.36 and it works.
More: I prepared a self-contained package (no deps, 8MB tgz) and tested it on Tezro/dualR16k800/V12/6.5.29m, Fuel/R16k700/V10/6.5.29m and Octane/R12k300/ESI/6.5.26m
I followed the guide provided by dsolaz with version 0.98.36 and it works.
More: I prepared a self-contained package (no deps, 8MB tgz) and tested it on Tezro/dualR16k800/V12/6.5.29m, Fuel/R16k700/V10/6.5.29m and Octane/R12k300/ESI/6.5.26m