Re: [dpdk-dev] [PATCH] ethdev: introduce enable_driver_sdk to install driver headers

[David Marchand <david.marchand@redhat.com>]

On Fri, Mar 12, 2021 at 4:20 PM Ferruh Yigit <ferruh.yigit@intel.com> wrote:
>
> On 3/11/2021 7:27 PM, Tyler Retzlaff wrote:
> > Introduce a meson option enable_driver_sdk when true installs internal
> > driver headers for ethdev. this allows drivers that do not depend on
> > stable api/abi to be built external to the dpdk source tree.
> >
> > Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
> > ---
> >
> > it's still unclear to me if we should be renaming the headers:
> >
> >    ethdev_driver.h -> rte_ethdev_driver.h
> >    ethdev_pci.h -> rte_ethdev_pci.h
> >    ethdev_vdev.h -> rte_ethdev_vdev.h
> >
> >   lib/librte_ethdev/meson.build | 5 +++++
> >   meson_options.txt             | 2 ++
> >   2 files changed, 7 insertions(+)
> >
> > diff --git a/lib/librte_ethdev/meson.build b/lib/librte_ethdev/meson.build
> > index c37b2e377..7ecdec6f0 100644
> > --- a/lib/librte_ethdev/meson.build
> > +++ b/lib/librte_ethdev/meson.build
> > @@ -20,6 +20,11 @@ headers = files('rte_ethdev.h',
> >       'rte_mtr_driver.h',
> >       'rte_tm.h',
> >       'rte_tm_driver.h')
> > +if get_option('enable_driver_sdk')
> > +headers += files('ethdev_driver.h',
> > +     'ethdev_pci.h',
> > +     'ethdev_vdev.h')
> > +endif
>
> Instead of adding the "get_option('enable_driver_sdk')" checks to the modules,
> what about a more generic solution, like:
>
> modules assign relevant headers into a new variable, let's say 'pmd_headers',
> and in a high level meson file, all 'pmd_headers' are installed if
> 'enable_driver_sdk' enabled?
>

+1.
Just, I don't like "pmd_headers" as the list name.
It can be misunderstood as the list of pmd-specific headers (thinking
of rte_pmd_i40e.h), that are exposed to applications.


-- 
David Marchand