Re: [Xen-devel] 3.4.0 wants to download Linux despite its presence

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Michael David Crawford writes ("[Xen-devel] 3.4.0 wants to download Linux 
despite its presence"):
> However, no matter what I try, the build hits the Mercurial server to 
> download the Linux kernel sources.  I have tried a number of things, but 
> I am completely unable to prevent the download.

The build system is rather unfortunate.  You can completely prevent
the Xen build from building a kernel by setting XKERNELS=''
You'll have to build the kernel yourself then of course.

> May I respectfully suggest that it's A REALLY BAD IDEA to automatically 
> download dependencies of you find them missing?

Sadly it's not just the kernel which is done this way.  There are a
handful of tarballs of various kinds too.  If you want to deal with
those offline too you'll find that you can set XEN_EXTFILES_URL.

> Much better would be to just list what the dependencies are in the 
> README, as well as where to get them.  If the build finds them missing, 
> then it should just say so and stop.

I would actually agree.  Having a part of the build system which
brings all the pieces together automatically for you would be good,
but it would be sensible for xen-unstable.hg to be less enthusiastic
about downloading stuff.

I'm not sure the community really agrees with me though.

Ian.

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