I'm getting such errors:

In toplevel form:
net/newsticker.el:406:1:Error: non-Nextstep frame used
make[1]: *** [/Users/dr/Projects/Aquamacs/emacs/lisp/net/ 
newsticker.elc] Error 1
make: *** [lisp] Error 2

I had this with vc-git as well, again in a `require'.

src/emacs seems okay per se.

I've started from "make maintainer-clean".