[dpdk-dev] [RFC PATCH] replace DPDK config and build system

[Morten Brørup]

FYI: We are using Crosstool-NG (http://crosstool-ng.github.io/). It seems to be quite popular for cross compiling.


Med venlig hilsen / kind regards
- Morten Brørup

> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Wiles, Keith
> Sent: Friday, June 9, 2017 8:06 PM
> To: Richardson, Bruce
> Cc: Christian Ehrhardt; Stephen Hemminger; dev
> Subject: Re: [dpdk-dev] [RFC PATCH] replace DPDK config and build
> system
> 
> 
> > On Jun 9, 2017, at 4:05 AM, Bruce Richardson
> <bruce.richardson at intel.com> wrote:
> >
> > On Thu, Jun 08, 2017 at 12:07:05PM -0600, Christian Ehrhardt wrote:
> >> On Thu, Jun 8, 2017 at 10:26 AM, Stephen Hemminger <
> >> stephen at networkplumber.org> wrote:
> >>
> >>> On a side note, it would be good to use the GCC extensions that
> >>> allow building different versions of the same routine into one
> binary.
> >>>
> >>
> >> And we are back to the discussion we had two years ago about how to
> >> deliver generic yet also optimized binaries in one shot.
> >> But if the new build system can enable us to do so I'm all in for
> that.
> >>
> >> Thanks for bringing this up in that context Stephen - might be just
> >> the right time to look at it again.
> >>
> > Yep, we can do that. First though, we need to decide what our minimum
> > supported compiler baseline is going to be.
> > Also, if the replace the build system, do we want to do a complete
> > on-shot replacement, or do we want to keep the older one around in
> > parallel for a while e.g. to support older OS's and compilers.
> 
> I think it would be a good idea to keep the old version for now.
> 
> I would suggest adding the new build system to a sandbox repo until we
> think we have parity then merge into main. Keep the old system in place
> to allow for other systems until we believe we really have covered all
> of the bases.
> 
> What would your baseline be ?
> 
> I would suggest pick a few distros like Linux Ubuntu, Fedora, Red Hat
> just a guess at the ones we need to support first.
> 
> Think we have to support IA and ARM at the same time for the few
> distros we start with first or at least pick the most used one for ARM
> first.
> 
> >
> > /Bruce
> 
> Regards,
> Keith
>