[U-Boot] [PATCH v2 4/4] pylibfdt: compile pylibfdt only when dtoc/binman is necessary

[Simon Glass]

Hi Masahiro,

On 17 October 2017 at 06:42, Masahiro Yamada
<yamada.masahiro at socionext.com> wrote:
> Currently, pylibfdt is always compiled if swig is installed on your
> machine.  It is really annoying because most of targets (excepts
> x86, sunxi, rockchip) do not use dtoc or binman.
>
> "checkbinman" and "checkdtoc" are wrong.  It is odd that the final
> build stage checks if we have built necessary tools.  If your platform
> depends on dtoc/binman, you must be able to build pylibfdt.  If swig
> is not installed, it should fail immediately.
>
> I added PYLIBFDT, DTOC, BINMAN entries to Kconfig.  They should be
> property select:ed by platforms that need them.  Kbuild will descend
> into scripts/dtc/pylibfdt/ only when CONFIG_PYLIBFDT is enabled.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
> ---
>
>  Makefile             | 17 ++---------------
>  arch/arm/Kconfig     |  1 +
>  arch/x86/Kconfig     |  1 +
>  dts/Kconfig          | 13 +++++++++++++
>  scripts/Makefile.spl | 15 ++-------------
>  scripts/dtc/Makefile |  2 +-
>  6 files changed, 20 insertions(+), 29 deletions(-)
>

I think this is a reasonable change.

Reviewed-by: Simon Glass <sjg at chromium.org>

Regards,
Simon