linux-kernel - Re: [PATCH 2/2] kbuild: remove unnecessary LEX_PREFIX and YACC

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Date:   Fri, 12 Jan 2018 12:05:15 +0100
From:   Ulf Magnusson <ulfalizer@...il.com>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Sam Ravnborg <sam@...nborg.org>,
        "Luis R . Rodriguez" <mcgrof@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] kbuild: remove unnecessary LEX_PREFIX and YACC_PREFIX

On Fri, Jan 12, 2018 at 1:58 AM, Masahiro Yamada
<yamada.masahiro@...ionext.com> wrote:
> Kconfig was the only user of these.  With Kconfig converted to use
> the default 'yy' prefix, we do not need them any more.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---
>
>  scripts/Makefile.lib | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
> index 0f9ef3f..5ff2761 100644
> --- a/scripts/Makefile.lib
> +++ b/scripts/Makefile.lib
> @@ -188,10 +188,8 @@ endef
>
>  # LEX
>  # ---------------------------------------------------------------------------
> -LEX_PREFIX = $(if $(LEX_PREFIX_${baseprereq}),$(LEX_PREFIX_${baseprereq}),yy)
> -
>  quiet_cmd_flex = LEX     $@
> -      cmd_flex = $(LEX) -o$@ -L -P $(LEX_PREFIX) $<
> +      cmd_flex = $(LEX) -o$@ -L $<
>
>  ifdef REGENERATE_PARSERS
>  .PRECIOUS: $(src)/%.lex.c_shipped
> @@ -205,10 +203,8 @@ $(filter %.lex.c,$(targets)): $(obj)/%.lex.c: $(src)/%.l FORCE
>
>  # YACC
>  # ---------------------------------------------------------------------------
> -YACC_PREFIX = $(if $(YACC_PREFIX_${baseprereq}),$(YACC_PREFIX_${baseprereq}),yy)
> -
>  quiet_cmd_bison = YACC    $@
> -      cmd_bison = $(YACC) -o$@ -t -l -p $(YACC_PREFIX) $<
> +      cmd_bison = $(YACC) -o$@ -t -l $<
>
>  ifdef REGENERATE_PARSERS
>  .PRECIOUS: $(src)/%.tab.c_shipped
> --
> 2.7.4
>

Acked-by: Ulf Magnusson <ulfalizer@...il.com>

Cheers,
Ulf