[Buildroot] [PATCH] libpciaccess: add dependency on hwdata

[Yann E. MORIN <yann.morin.1998@free.fr>]

Carlos, All,

On 2018-03-29 13:41 -0300, Carlos Santos spake thusly:
> > From: "Peter Korsgaard" <peter@korsgaard.com>
> > To: "Carlos Santos" <casantos@datacom.ind.br>
> > Cc: "buildroot" <buildroot@buildroot.org>, "Bernd Kuhls" <bernd.kuhls@t-online.de>
> > Sent: Thursday, March 29, 2018 11:05:17 AM
> > Subject: Re: [PATCH] libpciaccess: add dependency on hwdata
> 
> >>>>>> "Carlos" == Carlos Santos <casantos@datacom.ind.br> writes:
> > 
> > > libpciaccess requires /usr/share/hwdata/pci.ids (or pci.ids.gz, if
> > > compiled with zlib support). That file is provided by the hwdata
> > > package, so add it as a run-time dependency.
> > 
> > > Signed-off-by: Carlos Santos <casantos@datacom.ind.br>
> > 
> > Is this really a hard dependency? Looking at src/common_device_name.c,
> > this seems to only be used in populate_vendor(), which just returns
> > without error if the file cannot be opened.
> > 
> > --
> > Bye, Peter Korsgaard
> 
> It is required by libvirt[1] to show device names when we use virtual
> machine manager to add hardware via PCI passthrough, otherwise only
> the PCI bus information (slot, port, function) is shown.

Then I would say that it is not _required_. It may be _needed_, but it
is not mandatory; it just makes it a little bit more user-friendly.

Thus, I would say that we do not want to enforce this dependency,
because it still works without it.

Regards,
Yann E. MORIN.

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