Re: [dpdk-dev] [PATCH 1/8] doc: update Linux GSG system requirements section

[Bruce Richardson <bruce.richardson@intel.com>]

On Thu, Nov 28, 2019 at 03:34:54PM +0100, Thomas Monjalon wrote:
> 28/11/2019 15:30, Bruce Richardson:
> > On Thu, Nov 28, 2019 at 03:22:05PM +0100, Thomas Monjalon wrote:
> > > 28/11/2019 15:11, Bruce Richardson:
> > > > On Thu, Nov 28, 2019 at 12:51:27PM +0100, Thomas Monjalon wrote:
> > > > > 22/11/2019 17:03, Bruce Richardson:
> > > > > > -*   gcc: versions 4.9 or later is recommended for all platforms.
> > > > > > -    On some distributions, some specific compiler flags and linker flags are enabled by
> > > > > > -    default and affect performance (``-fstack-protector``, for example). Please refer to the documentation
> > > > > > -    of your distribution and to ``gcc -dumpspecs``.
> > > > > 
> > > > > I think we need to keep some compiler requirement somewhere.
> > > > > What do you suggest?
> > > > 
> > > > I'm happy to keep this compiler requirements in here. Is 4.9 still
> > > > regularly tested with DPDK to ensure it works? Also, if we put in a GCC
> > > > requirement, do we not also need to put in a clang one? For recent distros
> > > > is this really something most users need to worry about?
> > > 
> > > It allows us to know which compiler we must support.
> > > And for distributions, it can help.
> > > I think we should have clang version too.
> > > 
> > 
> > Ok, I'll add 4.9 recommendation in V2. If we have a minimum clang version
> > you want included, I can add that too, if someone gets it to me in time :-)
> 
> I don't know for clang.
> Ali, any clue about minimal version?
> 

I just tested with a CentOS VM and got a clean build with clang 3.4.2, so
I'll put 3.4 as minimum then.