Re: [Xen-devel] [PATCH] tools/configure.ac: generate Paths.mk if it's not available

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Tue, 2015-04-21 at 11:16 +0100, Wei Liu wrote:
> On Mon, Apr 20, 2015 at 03:07:38PM +0100, Wei Liu wrote:
> > Xen toolstack references many variables in Paths.mk when building and
> > installing, so tools' configure should generate Paths.mk if it's not
> > available. Also make inclusion of Paths.mk mandatory in Tools.mk.
> 
> Hmm... I just discovered that docs build also involves Paths.mk.  This
> patch is ugly enough that I don't want to duplicate it for docs.
> So advise on how to fix this would be much appreciated.

I wasn't terribly happy with having more than one place update Paths.mk
already.

> Or we can state clear that anyone who builds Xen from source needs to
> run ./configure in top level directory, not the ones in subsystems.

I think that's essentially what we've done so far, but it's not terribly
satisfactory I'll admit. Is this the only issue which prevents this?

Perhaps change each subsystem to generate+consume its own Paths
${subsys}.mk instead of a single global one? Either in config/Paths
${subsys.mk} or in ${subsys}/Paths.mk.

If you invoke from the top-level then they will all end up with the same
contents, but so what...

Ian.


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