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Date: Wed, 22 Apr 2015 10:45:16 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: Willem Jan Withagen <wjw@digiware.nl>
cc: FreeBSD Current <freebsd-current@freebsd.org>
Subject: Re: Newer yacc needed for building world
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On Wed, 22 Apr 2015, Willem Jan Withagen wrote:

> 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

Yes:
https://lists.freebsd.org/pipermail/freebsd-current/2015-February/054740.html