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From:   Masahiro Yamada <masahiroy@kernel.org>
Date:   Wed, 29 Apr 2020 12:53:08 +0900
Message-ID: <CAK7LNARF-hqpcwVX7LvyZeWX5dJnnBBW=k2EBHSWM9cQCLW9Sw@mail.gmail.com>
Subject: Re: [PATCH] samples: fix binderfs sample
To:     Arnd Bergmann <arnd@arndb.de>
Cc:     Christian Brauner <christian@brauner.io>,
        Jonathan Corbet <corbet@lwn.net>,
        Christian Brauner <christian.brauner@ubuntu.com>,
        "Steven Rostedt (VMware)" <rostedt@goodmis.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Hi Arnd,


On Wed, Apr 29, 2020 at 6:26 AM Arnd Bergmann <arnd@arndb.de> wrote:
>
> A routine check for misspelled Kconfig symbols showed on instance
> from last year, the correct symbol name is CONFIG_ANDROID_BINDERFS,
> not CONFIG_CONFIG_ANDROID_BINDERFS, so the extra prefix must
> be removed in the Kconfig file to allow enabling the sample.
>
> As the actual sample fails to build as a kernel module, change the
> Makefile enough to get to build as a hostprog instead.
>
> Fixes: 9762dc1432e1 ("samples: add binderfs sample program")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---

Nice catch!


I am working on a new syntax 'userprogs'.

This builds programs for the target architecture
instead of the host.

Once, my series lands,
you can use 'userprogs', like this:
https://patchwork.kernel.org/patch/11515977/

Then 'ifndef CROSS_COMPILE' will go away.


-- 
Best Regards
Masahiro Yamada