Re: [Xen-devel] [PATCH 1/2] make: Check tools/qemu-xen[-traditional] for qemu before downloading

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

On 07/03/2014 09:25 AM, Ian Campbell wrote:
> On Wed, 2014-07-02 at 17:15 +0100, George Dunlap wrote:
> > Currently xen, qemu-xen, and qemu-xen-traditional are kept in separate
> > repositories, but when we release them as a tarball, qemu-xen and
> > qemu-xen-traditional are in-lined into the tools/ directory.
> >
> > In order to make this "just work", at the moment developer doing the
> > release manually modifies Config.mk as part of the relase process so
> > that CONFIG_QEMU and QEMU_UPSTREAM_URL point into the tools/ directory
> > instead.
> Since this mainly means Ian I'll mostly leave both of these patches to
> him.
>
> > +# Specify which qemu-dm to use. This may be `ioemu' to use the old
> > +# Mercurial in-tree version, or a local directory, or a git URL.
> > +# CONFIG_QEMU ?= `pwd`/$(XEN_ROOT)/../qemu-xen.git
> > +ifneq (,$(wildcard $(XEN_ROOT)/tools/qemu-xen-traditional))
> > +CONFIG_QEMU ?= $(XEN_ROOT)/tools/qemu-xen-traditional
> > +else
> > +CONFIG_QEMU ?= $(QEMU_REMOTE)
> > +endif
> Does this DTRT on subsequent runs after the automatic git clone has
> happened on the first run? I suspect so, but I'm not 100% sure. f.e.
> does "make tools/qemu-xen-traditional-dir-force-update" still work?
Yes, all that still works, because the directories it creates when 
automatically cloning the qemu repos are named differently 
(qemu-xen[-traditional]-dir[-remote]).
 -George


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