> -----Original Message----- > From: dev <dev-boun...@dpdk.org> On Behalf Of Michael Santana > Francisco > Sent: Thursday, June 6, 2019 4:09 AM > To: Honnappa Nagarahalli <honnappa.nagaraha...@arm.com>; Aaron Conole > <acon...@redhat.com>; tho...@monjalon.net > Cc: Ruifeng Wang (Arm Technology China) <ruifeng.w...@arm.com>; Gavin > Hu (Arm Technology China) <gavin...@arm.com>; Dharmik Thakkar > <dharmik.thak...@arm.com>; jerin.ja...@caviumnetworks.com; > ys...@mellanox.com; dev@dpdk.org; bruce.richard...@intel.com; nd > <n...@arm.com> > Subject: Re: [dpdk-dev] DPDK compilation on arm is failing in Travis > > On 6/5/19 5:36 PM, Honnappa Nagarahalli wrote: > >>> Thomas Monjalon <tho...@monjalon.net> writes: > >>> > >>>> 05/06/2019 21:40, Aaron Conole: > >>>>> Thomas Monjalon <tho...@monjalon.net> writes: > >>>>> > >>>>>> The compilation of the master branch is failing for aarch64: > >>>>>> https://travis-ci.com/DPDK/dpdk > >>>>>> The log is so much verbose that I am not able to understand what > >>>>>> is really wrong. > >>>>>> Please help to diagnose and fix, thanks. > >>>>> A discussion about this: > >>>>> > >>>>> http://mails.dpdk.org/archives/dev/2019-June/134012.html > >>>> I see the error now. > >>>> It is printing the full log after the error, so I missed the error > >>>> at the top. > >>>> > >>>> I've read your comment about a possible error with the patch > >>>> removing weak functions but neither me nor Bruce were able to > >>>> reproduce > >> it. > >>>> What is the condition to see this compiler warning? > >>> It is only on ARM, and only when the neon intrinsics are in use. > >> I am not able to reproduce it from the tip of master. > >> > >> I am using: > >> gcc (Ubuntu 8.3.0-6ubuntu1~18.04) 8.3.0 > >> > >> From the log on Travis, looks like the compiler is: > >> gcc (Ubuntu 5.4.0-6ubuntu1~16.04.11) 5.4.0 20160609 > >> > >> Is this the issue? > >> > >> Why are we seeing the error now? > > I tested with gcc-5 (Ubuntu/Linaro 5.5.0-12ubuntu1) 5.5.0 20171010, it > works fine. I cannot get hold of 5.4.0. Not sure if needs to be supported. > > Are there any issues in upgrading to 7 or 8? > I have tested it on my ubuntu 16.04 vm on commit > 8cb511bb94ad92a76990f175cac76bb13d51daba (head of master seems to be > failing for other reasons on my vm). > I tested the following gcc versions: > > gcc 5.5.0 "cc (Ubuntu 5.5.0-12ubuntu1~16.04) 5.5.0 20171010" > gcc 7.4.0 "cc (Ubuntu 7.4.0-1ubuntu1~16.04~ppa1) 7.4.0" > gcc 8.1.0 "cc (Ubuntu 8.1.0-5ubuntu1~16.04) 8.1.0" >
Though I am not able to reproduce the issue. Could you the following patch fixing the issue? http://patches.dpdk.org/patch/54501/
