GNUstep on OpenBSD 3.3?

[Zachary Hamm]

On OpenBSD 3.3 when trying to build base (from a snapshot dated May
17) with 'gmake OPTFLAGS=""' I get this:

[... happily building many things ...]

echo '#define TYPE_ORDER' `echo NSNumber12.m | sed -e "s,[^0-9],,g"` 
>NSNumber12.m
cat ./NSConcreteNumber.m >> NSNumber12.m
 Compiling file NSNumber12.m ...
gmake[2]: *** No rule to make target 
`Additions/static_obj/ix86/openbsd3.3/gnu-gnu-gnu/subproject.o', needed by 
`static_obj/ix86/openbsd3.3/gnu-gnu-gnu/libgnustep-base_s.a'.  Stop.
gmake[1]: *** [libgnustep-base.all.library.variables] Error 2
gmake[1]: Leaving directory `/home/zsh/download/GNUstep/core/base/Source'
gmake: *** [internal-all] Error 2

I tried it on the stable release of base and got the same error. I've
got System/Makefiles/GNUstep.sh sourced and the environment looks
good. What gives? I'd be willing to hack up the makefiles for OpenBSD
if I had some pointers on where to begin...