Re: [dpdk-dev] [PATCH v8 2/4] meson: add infra to support machine specific flags

[Thomas Monjalon <thomas@monjalon.net>]

14/04/2019 20:19, Jerin Jacob Kollanukkaran:
> From: Thomas Monjalon <thomas@monjalon.net>
> > 14/04/2019 16:40, Pavan Nikhilesh Bhagavatula:
> > > Hi Thomas,
> > >
> > > There is no guarantee of primary part number (machine names) uniqueness
> > between implementors.
> > 
> > I think we don't speak the same language :) By machine name, I mean what we
> > set in RTE_MACHINE, like octeontx2.
> 
> As you know, The system probes "implementor_id" and "implementor_pn"
> Values. There is nothing like machine name in meson and in order to keep 
> Synergy with native build, we need to just follow, "implementor_id"
> and "implementor_pn". Now, it is possible to have "implemetor_id" to
> "implementor_pn"  to machine name lookup but Unlike, "make"  based
> Build system, meson supports supporting a lot of machines(like RTE_MACHINE),
> with that structure. So converting to another intermediate called "machine string"
> will have more overhead IMO.

We already have this string with RTE_MACHINE.
You already set RTE_MACHINE based on id and pn.
I don't see any overhead.
Anyway, no need to discuss it more without any real code.