linux-kernel - Re: [PATCH] kdbus/samples: skip on CROSS

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Date:	Fri, 31 Jul 2015 19:58:05 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	David Herrmann <dh.herrmann@...il.com>,
	Shuah Khan <shuahkh@....samsung.com>,
	linux-api@...r.kernel.org, linux-kernel@...r.kernel.org,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Daniel Mack <daniel@...que.org>,
	Djalal Harouni <tixxdz@...ndz.org>
Subject: Re: [PATCH] kdbus/samples: skip on CROSS_COMPILE

On Thu, Jul 30, 2015 at 09:33:07AM -0700, Greg Kroah-Hartman wrote:
> On Thu, Jul 30, 2015 at 06:13:25PM +0200, David Herrmann wrote:
> > Apparently we cannot rely on up-to-date kernel headers to be available
> > when cross-compiling, not even for HOSTCC. That's sad, but it's how it
> > is. Skip samples on cross-compiles as suggested by Paul, so allmodconfig
> > runs smoothly again.
> > 
> > Tested-by: Paul Gortmaker <paul.gortmaker@...driver.com>
> > Signed-off-by: David Herrmann <dh.herrmann@...il.com>
> > ---
> >  samples/kdbus/Makefile | 4 ++++
> >  1 file changed, 4 insertions(+)
> > 
> > diff --git a/samples/kdbus/Makefile b/samples/kdbus/Makefile
> > index 137f842..dbd9de8 100644
> > --- a/samples/kdbus/Makefile
> > +++ b/samples/kdbus/Makefile
> > @@ -1,9 +1,13 @@
> >  # kbuild trick to avoid linker error. Can be omitted if a module is built.
> >  obj- := dummy.o
> >  
> > +ifndef CROSS_COMPILE
> 
> This really feels like the wrong solution.
I also faced the same problem while testing allmodconfig for mn10300.

regards
sudip
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