[PATCH 6/6] env: Add support for explicit write access list

[Tom Rini]

On Thu, Jun 25, 2020 at 08:12:57PM +0200, Harald Seiler wrote:
> Hi Marek,
> 
> On Wed, 2020-06-03 at 02:01 +0200, Marek Vasut wrote:
> > This option marks any U-Boot variable which does not have explicit 'w'
> > writeable flag set as read-only. This way the environment can be locked
> > down and only variables explicitly configured to be writeable can ever
> > be changed by either 'env import', 'env set' or loading user environment
> > from environment storage.
> 
> I haven't yet been able to get to the bottom of it but this patch seems to
> regress the `envtools` build for me.  Here is the rather weird error message:
> 
>        HOSTCC  tools/env/fw_env_main.o
>      In file included from tools/env/fw_env.c:15:
>      include/env_flags.h:27:22: error: missing binary operator before token "("
>       #if CONFIG_IS_ENABLED(ENV_WRITEABLE_LIST)
>                            ^
> 
> Any idea what could be the cause for this?

We can't use CONFIG_IS_ENABLED()/etc in host-tool code, the macros
aren't exposed.

-- 
Tom
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