On Tue, Jun 20, 2017 at 03:34:58PM +0200, Morten Brørup wrote: > FYI: We are using Crosstool-NG (http://crosstool-ng.github.io/). It seems to > be quite popular for cross compiling. >
How does a tool like that interact with build-systems then - either with our current one, or with a hypothetical future one using meson+ninja as below? Does it simplify what needs to be provided in the build config tool? /Bruce > > Med venlig hilsen / kind regards > - Morten Brørup > > > -----Original Message----- > > From: dev [mailto:dev-boun...@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.richard...@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 < > > >> step...@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 > > >