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SubjectRe: linux-next: build failure after merge of the vfs tree
Hi David,

On Wed, 19 Sep 2018 07:01:00 +0100 David Howells <> wrote:
> Stephen Rothwell <> wrote:
> > > I think the problem is that I haven't allocated system call numbers for
> > > any arches other than x86 - even the x86 syscall numbers are provisional
> > > until the patchset is taken upstream. I'm not sure of the best way to
> > > deal with this - make the samples dependent on the X86 arch?
> >
> > But the sample programs are built with HOSTCC, so you can't depend on
> > ARCH (since I, for one, am cross compiling). Maybe SUBARCH. Better
> > would be to use either Kconfig's shell primitive or some make magic to
> > figure out if the syscall number define's are defined.
> I meant put the dependency in the Kconfig.

Yeah, sure. Kconfig now has the ability for that dependency to be the
result of an external program "$(shell ....)", so you could have a
script or program that checked to see if the syscall numbers are
defined and then have the Kconfig symbol(s) for the tests depend on that.

Stephen Rothwell
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