Re: [Xen-devel] [PATCH 3/4] README: document that `python` is required

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Mon, May 13, 2019 at 03:38:24PM +0100, George Dunlap wrote:
> On 5/13/19 2:47 PM, Wei Liu wrote:
> > The hypervisor build system requires `python`. To avoid putting too
> > much (confusing) information in README, mandate availability of
> > `python`.
> > 
> > Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> > ---
> >  README | 4 ++++
> >  1 file changed, 4 insertions(+)
> > 
> > diff --git a/README b/README
> > index 23e4f7c3dc..a60ccf6e9c 100644
> > --- a/README
> > +++ b/README
> > @@ -181,6 +181,10 @@ Various tools, such as pygrub, have the following 
> > runtime dependencies:
> >            URL:    http://www.python.org/
> >            Debian: python
> >  
> > +Note that the build system expects `python` to be available. If your system
> > +only has `python2` or `python3` but not `python` (as in Linux From 
> > Scratch),
> > +you will need to create a symlink for it.
> 
> Since we're not in a release crunch any more, it seems like updating
> ./configure to look for ""python3", "python2", and "python" (probably in
> that order) would be a better solution here.

No, it is not about tools build. Hypervisor build depends on `python`
but we don't want it to depend on configure.

See "Hypervisor build can't work without `python` (Was: Re: Xen commit
9b0bc91b3 possibly removed too much info from README)"

Wei.

> 
>  -George

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