You wrote (in your message from Thu 21)
 > 
 > Rob> I had to tweak ./src/Makefile and ./src/config.h to tell it to
 > Rob> use unexsunos4.c instead of unexfreebsd.c and to not use gnu
 > Rob> malloc, but now it complains heavily about unexsunos4.c.
 > 
 > Rob> Any pointers on this one?
 > 
 > 	Well... I know that we're not all GNU fans here, but
 > Gnu Emacs-19.29 compiles right out of the box (configure;make).  If
 > you really must use XEmacs, maybe taking the unexec from Emacs-19.29
 > will work for you.

In fact, taking unexsunos4.c from emacs-19.29 worked perfectly for me.
I installed in place of unexfreebsd.c, so I did not need any tweaking
of other files in the source.

					Matthieu