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

[Tom Rini]

On Tue, Oct 17, 2017 at 01:42:44PM +0900, Masahiro Yamada 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>
> Reviewed-by: Simon Glass <sjg at chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom
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