Newer yacc needed for building world

Hi,

[I thought that I've seen talk about this before.]

On a customers system I'm trying to build a new world, with a fresh tree.
I've deleted lines from other tracks in parallel compilation.

--- aslcompilerparse.c ---
yacc -d -pAslCompiler -oaslcompilerparse.c aslcompiler.y
yacc: 89 shift/reduce conflicts.
yacc: f - maximum table size exceeded
*** [aslcompilerparse.c] Error code 2

And I do not find yacc in the tools/tmp tree.

So here the buildsystem is in a catch22. And perhaps yacc needs to be 
added to the buildtools?

Probably I can get out of this by first
	cd /usr/src/usr.bin/yacc
	make; make install

--WjW