linux-kernel - Re: [PATCH] kbuild: hardcode value of YACC&LEX for aic7-triple-x

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Message-ID: <44CFCEE7.10406@zytor.com>
Date:	Tue, 01 Aug 2006 15:00:07 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Alexey Dobriyan <adobriyan@...il.com>
CC:	sam@...nborg.org, linux-kernel@...r.kernel.org,
	Sam Ravnborg <sam@...s.ravnborg.org>
Subject: Re: [PATCH] kbuild: hardcode value of YACC&LEX for aic7-triple-x

Alexey Dobriyan wrote:
> On Sat, Jul 29, 2006 at 09:19:33AM +0200, sam@...nborg.org wrote:
>> When we introduced -rR then aic7xxx no loger could pick up definition
>> of YACC&LEX from make - so do it explicit now.
> 
>> --- a/drivers/scsi/aic7xxx/aicasm/Makefile
>> +++ b/drivers/scsi/aic7xxx/aicasm/Makefile
>> @@ -14,6 +14,8 @@ LIBS=	-ldb
>>  clean-files:= ${GENSRCS} ${GENHDRS} $(YSRCS:.y=.output) $(PROG)
>>  # Override default kernel CFLAGS.  This is a userland app.
>>  AICASM_CFLAGS:= -I/usr/include -I.
>> +LEX= flex
>> +YACC= bison
>>  YFLAGS= -d
>>  
>>  NOMAN=	noman
> 
> SuSv3 lists "lex" and "yacc" as _the_ names. Is there any distro which
> doesn't install compat symlinks?
> 

At least on Red Hat/Fedora, "yacc" invokes BSD yacc, which produces 
worse code than bison.

	-hpa
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