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Re: [XEN PATCH v8 31/47] build: specify source tree in include/ for prerequisite
- To: Anthony PERARD <anthony.perard@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 21 Dec 2021 15:16:25 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Ian Jackson <iwj@xxxxxxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Tue, 21 Dec 2021 14:16:44 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 25.11.2021 14:39, Anthony PERARD wrote:
> When doing an out-of-tree build, and thus setting VPATH,
> GNU Make 3.81 on Ubuntu Trusty complains about Circular dependency of
> include/Makefile and include/xlat.lst and drop them. The build fails
> later due to headers malformed.
A circular dependency would mean that besides the expected dependency
there is also one of include/Makefile on include/xlat.lst. Where is
that? I'm not aware of anything include/Makefile depends on. Is there
any dependency being introduced in this series, perhaps by way of new
(generated) dependency files? It would be good to have a clear
understanding of the issue - as you describe it, it could as well be
a make flaw.
The adjustments themselves look okay to me, but of course they don't
help readability.
Jan
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