Built from scratch, everything great.
Anyway, -with-tiff=no, because I'm on SGI.
External widget works (and builds) perfectly.
Packages only from 20.4 works like a charm.
And it's really b46, not b44.
XEmacs Build Report as generated
by build-report-version 1.35 follows:
Contents of /ms/user/c/craffert/build/xemacs/irix-b46/Installation:
(Output from most recent run of ./configure)