linux-kernel - Re: [PATCH] kbuild: run the checker after the compiler

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Message-ID: <CAK7LNATu_vCFr1n7KRpxv0Q3RQ6hGRrNzTyD437GiSm57tRUWQ@mail.gmail.com>
Date:   Tue, 23 Jun 2020 14:58:13 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Luc Van Oostenryck <luc.vanoostenryck@...il.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kbuild: run the checker after the compiler

On Tue, Jun 23, 2020 at 12:47 AM Luc Van Oostenryck
<luc.vanoostenryck@...il.com> wrote:
>
> Since the pre-git time the checker is run first, before the compiler.
> But if the source file contains some syntax error, the warnings from
> the compiler are more useful than those from sparse (and other
> checker most probably too).
>
> So move the 'check' command to run after the compiler.
>
> Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@...il.com>

Applied to linux-kbuild.
Thanks.

> ---
>  scripts/Makefile.build | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/scripts/Makefile.build b/scripts/Makefile.build
> index 2e8810b7e5ed..7ba6a752d5bd 100644
> --- a/scripts/Makefile.build
> +++ b/scripts/Makefile.build
> @@ -252,9 +252,9 @@ cmd_gen_ksymdeps = \
>  endif
>
>  define rule_cc_o_c
> -       $(call cmd,checksrc)
>         $(call cmd_and_fixdep,cc_o_c)
>         $(call cmd,gen_ksymdeps)
> +       $(call cmd,checksrc)
>         $(call cmd,checkdoc)
>         $(call cmd,objtool)
>         $(call cmd,modversions_c)
> @@ -277,8 +277,8 @@ endif
>
>  # Built-in and composite module parts
>  $(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_dep) FORCE
> -       $(call cmd,force_checksrc)
>         $(call if_changed_rule,cc_o_c)
> +       $(call cmd,force_checksrc)
>
>  cmd_mod = { \
>         echo $(if $($*-objs)$($*-y)$($*-m), $(addprefix $(obj)/, $($*-objs) $($*-y) $($*-m)), $(@:.mod=.o)); \
>
> base-commit: 48778464bb7d346b47157d21ffde2af6b2d39110
> --
> 2.27.0
>


-- 
Best Regards
Masahiro Yamada