On Tue, Jun 2, 2020 at 12:43 PM Juraj Linkeš <juraj.lin...@pantheon.tech> wrote: > > Hi Jerin, > > I forgot to mention that I'm using GCC 8 and this fixed the issue. A bit of > googling illuminated why this could be so, according to > https://gcc.gnu.org/onlinedocs/cpp/Include-Syntax.html, the angle brackets > directive looks for files in a standard list of system directories while the > quotes directive looks in the directory containing the current file first. > What it doesn't really explain is the random failues. Any idea why it > sometimes built fine and sometimes it errored? Some race condition perhaps?
it is racy due to the fact that rte_ethdev_core.h need to show up in build/include/ before .c file compiles in order to make #include <> works. In case of #include "", that dependency is not there. Makefile file infrastructure is not defining the dependency anywhere. > > Thanks, > Juraj > > -----Original Message----- > From: Jerin Jacob <jerinjac...@gmail.com> > Sent: Monday, June 1, 2020 4:37 PM > To: Juraj Linkeš <juraj.lin...@pantheon.tech> > Cc: dev@dpdk.org > Subject: Re: [dpdk-dev] Non-deterministic build failure in > rte_ethdev.h:4287:10 on Taishan ARM server > > On Mon, Jun 1, 2020 at 6:15 PM Juraj Linkeš <juraj.lin...@pantheon.tech> > wrote: > > > > Hi DPDK devs, > > > > I'm hitting a build failure with dpdk 20.02.1 with rte_ethdev.h that's > > happening seemingly at random: > > make install T=arm64-armv8a-linuxapp-gcc -j In file included from > > /tmp/openvpp-testing/dpdk/lib/librte_ethdev/rte_class_eth.c:13:0: > > /tmp/openvpp-testing/dpdk/lib/librte_ethdev/rte_ethdev.h:4287:10: > > fatal error: rte_ethdev_core.h: No such file or directory #include > > <rte_ethdev_core.h> > > ^~~~~~~~~~~~~~~~~~~ > > > Try as #include "rte_ethdev_core.h" instead of #include <rte_ethdev_core.h> > > > compilation terminated. > > make[5]: *** [rte_class_eth.o] Error 1 > > make[5]: *** Waiting for unfinished jobs.... > > make[4]: *** [librte_ethdev] Error 2 > > make[3]: *** [lib] Error 2 > > make[2]: *** [all] Error 2 > > make[1]: *** [pre_install] Error 2 > > make: *** [install] Error 2 > > > > Full log here: > > https://logs.fd.io/production/vex-yul-rot-jenkins-1/csit-dpdk-perf-verify-master-3n-tsh/11/archives/log.html.gz > >