linux-kernel - Re: [PATCH] kbuild: make samples depend on headers

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Date:	Fri, 22 Jul 2016 13:59:40 +0200
From:	Michal Marek <mmarek@...e.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-kbuild@...r.kernel.org, Peter Foley <pefoley2@...oley.com>,
	Jiri Kosina <jkosina@...e.cz>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kbuild: make samples depend on headers_install

On 2016-07-04 16:39, Arnd Bergmann wrote:
> Olof's build test setup keeps failing to compile arm64 kernels
> because of a toolchain that uses outdated kernel headers:
> 
> /work/build/batch/samples/seccomp/bpf-fancy.c:13:27: fatal error: linux/seccomp.h: No such file or directory
> 
> This is of course something he could change, but it also indicates
> that others may run into the same problem. Running 'make headers_install'
> avoids the issue by ensuring that the kernel headers are put into
> the $(objdir)/usr/include path before we build the samples.
> 
> The same problem happened for the Documentation build in the
> past and was fixed up with commit 8e2faea877eb ("Make Documenation
> depend on headers_install"). This adds an identical Makefile dependency
> for the samples/ subdirectory.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied to kbuild.git#kbuild.

Michal