linux-kernel - Re: [PATCH 2/4] video/logo: fix unneeded generation of font C files

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Message-ID: <CAK7LNAROtaGR4fqrCcocmv8eO1GcAS4FKCLiS_wQqrjEjMMBBg@mail.gmail.com>
Date:   Wed, 21 Aug 2019 13:05:45 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        linux-fbdev@...r.kernel.org
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/4] video/logo: fix unneeded generation of font C files

On Wed, Aug 21, 2019 at 12:56 PM Masahiro Yamada
<yamada.masahiro@...ionext.com> wrote:

I will replace 'font' -> 'logo'.
(My brain was corrupted.)



> Currently, all the font C files are generated irrespective of CONFIG
> options. Adding them to extra-y is wrong. What we need to do here is
> to add them to 'targets' so that if_changed works properly.
>
> All files listed in 'targets' are cleaned, so clean-files is unneeded.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---
>
>  drivers/video/logo/Makefile | 21 ++-------------------
>  1 file changed, 2 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/video/logo/Makefile b/drivers/video/logo/Makefile
> index 10b75ce3ce09..16f60c1e1766 100644
> --- a/drivers/video/logo/Makefile
> +++ b/drivers/video/logo/Makefile
> @@ -18,23 +18,6 @@ obj-$(CONFIG_SPU_BASE)                       += logo_spe_clut224.o
>
>  # How to generate logo's
>
> -# Use logo-cfiles to retrieve list of .c files to be built
> -logo-cfiles = $(notdir $(patsubst %.$(2), %.c, \
> -              $(wildcard $(srctree)/$(src)/*$(1).$(2))))
> -
> -
> -# Mono logos
> -extra-y += $(call logo-cfiles,_mono,pbm)
> -
> -# VGA16 logos
> -extra-y += $(call logo-cfiles,_vga16,ppm)
> -
> -# 224 Logos
> -extra-y += $(call logo-cfiles,_clut224,ppm)
> -
> -# Gray 256
> -extra-y += $(call logo-cfiles,_gray256,pgm)
> -
>  pnmtologo := scripts/pnmtologo
>
>  # Create commands like "pnmtologo -t mono -n logo_mac_mono -o ..."
> @@ -55,5 +38,5 @@ $(obj)/%_clut224.c: $(src)/%_clut224.ppm $(pnmtologo) FORCE
>  $(obj)/%_gray256.c: $(src)/%_gray256.pgm $(pnmtologo) FORCE
>         $(call if_changed,logo)
>
> -# Files generated that shall be removed upon make clean
> -clean-files := *_mono.c *_vga16.c *_clut224.c *_gray256.c
> +# generated C files
> +targets += *_mono.c *_vga16.c *_clut224.c *_gray256.c
> --
> 2.17.1
>


-- 
Best Regards
Masahiro Yamada