[PATCH v5 02/29] kconfig: Add tools support to CONFIG_IS_ENABLED()

Tom Rini trini at konsulko.com
Thu Oct 7 02:26:47 CEST 2021

On Sat, Sep 25, 2021 at 07:43:15PM -0600, Simon Glass wrote:

> At present we must separately test for the host build for many options,
> since we force them to be enabled. For example, CONFIG_FIT is always
> enabled in the host tools, even if CONFIG_FIT is not enabled by the
> board itself.
> It would be more convenient if we could use, for example,
> CONFIG_IS_ENABLED(FIT) and get CONFIG_HOST_FIT, when building for the
> host. Add support for this.
> With this and the tools_build() function, we should be able to remove all
> the #ifdefs currently needed in code that is build by tools and targets.
> This will be even nicer when we move to using CONFIG(xxx) everywhere,
> since all the #ifdef and IS_ENABLED/CONFIG_IS_ENABLED stuff will go away.
> Signed-off-by: Simon Glass <sjg at chromium.org>
> Suggested-by: Rasmus Villemoes <rasmus.villemoes at prevas.dk> # b4f73886
> Reviewed-by: Alexandru Gagniuc <mr.nuke.me at gmail.com>

The problem here is we don't include <linux/kconfig.h> automatically
when building host stuff, I believe.  This is why doing this breaks
test_mkimage_hashes for me on am335x_evm with:
/tmp/.bm-work/am335x_evm/tools/mkimage -D -I dts -O dtb -i /tmp/.bm-work/am335x_evm -f /home/trini/work/u-boot/u-boot/test/py/tests/vboot//hash-images.its /tmp/.bm-work/am335x_evm/test.fit
*** stack smashing detected ***: <unknown> terminated

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