Re: 2.6.18-rc1 build error (YACC): followup

[H. Peter Anvin]

Sam Ravnborg wrote:
> On Fri, Jul 07, 2006 at 04:54:34PM -0700, H. Peter Anvin wrote:
> > I propose the following as a global yacc rule; already used in usr/dash 
> > in the klibc tree, and which seems to work for both bison and BSD yacc:
> >
> > quiet_cmd_yacc = YACC    $@
> >       cmd_yacc = $(YACC) -d -o $@ $<
> >
> > $(obj)/%.c %(obj)/%.h: $(src)/%.y
> >         $(call cmd,yacc)
> klibc and the kernel does not share any rules today.
> And yacc is so special that it's not worth it only for yacc to start
> doing this.
>
> In todays kernel build yacc is never used. For the few cases were output
> of yacc is needed the kernel include _shipped files. For dash we should
> maybe consider the same?

Personally I consider that pretty silly.  yacc/bison is a standard, 
portable utility, and it isn't even architecture-dependent so there is 
no porting effort.

	-hpa
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