> -----Original Message----- > From: Ruifeng Wang <ruifeng.w...@arm.com> > Sent: Wednesday, November 11, 2020 3:52 PM > To: Juraj Linkeš <juraj.lin...@pantheon.tech>; Honnappa Nagarahalli > <honnappa.nagaraha...@arm.com>; bruce.richard...@intel.com; Phil Yang > <phil.y...@arm.com>; vcchu...@amazon.com; Dharmik Thakkar > <dharmik.thak...@arm.com>; jerinjac...@gmail.com; > hemant.agra...@nxp.com; Ajit Khaparde (ajit.khapa...@broadcom.com) > <ajit.khapa...@broadcom.com>; ferruh.yi...@intel.com; acon...@redhat.com > Cc: dev@dpdk.org; nd <n...@arm.com>; nd <n...@arm.com>; nd <n...@arm.com> > Subject: RE: [PATCH v8 09/14] ci: switch to generic Arm builds > > > > -----Original Message----- > > From: Juraj Linkeš <juraj.lin...@pantheon.tech> > > Sent: Wednesday, November 11, 2020 7:46 PM > > To: Honnappa Nagarahalli <honnappa.nagaraha...@arm.com>; > > bruce.richard...@intel.com; Ruifeng Wang <ruifeng.w...@arm.com>; Phil > > Yang <phil.y...@arm.com>; vcchu...@amazon.com; Dharmik Thakkar > > <dharmik.thak...@arm.com>; jerinjac...@gmail.com; > > hemant.agra...@nxp.com; Ajit Khaparde (ajit.khapa...@broadcom.com) > > <ajit.khapa...@broadcom.com>; ferruh.yi...@intel.com; > > acon...@redhat.com > > Cc: dev@dpdk.org; nd <n...@arm.com>; nd <n...@arm.com> > > Subject: RE: [PATCH v8 09/14] ci: switch to generic Arm builds > > > > > > > > > -----Original Message----- > > > From: Honnappa Nagarahalli <honnappa.nagaraha...@arm.com> > > > Sent: Sunday, November 8, 2020 3:43 PM > > > To: Juraj Linkeš <juraj.lin...@pantheon.tech>; > > > bruce.richard...@intel.com; Ruifeng Wang <ruifeng.w...@arm.com>; > > Phil > > > Yang <phil.y...@arm.com>; vcchu...@amazon.com; Dharmik Thakkar > > > <dharmik.thak...@arm.com>; jerinjac...@gmail.com; > > > hemant.agra...@nxp.com; Ajit Khaparde > > > (ajit.khapa...@broadcom.com) <ajit.khapa...@broadcom.com>; > > > ferruh.yi...@intel.com; acon...@redhat.com > > > Cc: dev@dpdk.org; nd <n...@arm.com>; Honnappa Nagarahalli > > > <honnappa.nagaraha...@arm.com>; nd <n...@arm.com> > > > Subject: RE: [PATCH v8 09/14] ci: switch to generic Arm builds > > > > > > <snip> > > > > > > > > > > > Switch to generic build on arm Travis machines to avoid > > > > differences in build configuration caused by different Arm hardware. > > > > > > > > Signed-off-by: Juraj Linkeš <juraj.lin...@pantheon.tech> > > > > --- > > > > .ci/linux-build.sh | 4 ++++ > > > > 1 file changed, 4 insertions(+) > > > > > > > > diff --git a/.ci/linux-build.sh b/.ci/linux-build.sh index > > > > d079801d7..7fe0fcfd8 > > > > 100755 > > > > --- a/.ci/linux-build.sh > > > > +++ b/.ci/linux-build.sh > > > > @@ -33,6 +33,10 @@ if [ "$AARCH64" = "1" ]; then > > > > OPTS="$OPTS --cross-file config/arm/arm64_armv8_linux_gcc" > > > > fi > > > > > > > > +if [ "$(uname -m)" = "aarch64" ]; then > > > > + OPTS="$OPTS -Dmachine=generic" > > > > +fi > > > > + > > > I do not think we should change it by default. We would need to test > > > generic builds as well as the SoC specific build. > > > > > > > I'll drop the patch. Testing without it revealed a failure in clang > > Graviton2 build (only in that one build, other build are working fine): > > ../lib/librte_eal/arm/include/rte_atomic_64.h:76:39: error: > > instruction > > requires: lse > > > > Here's the build with full log: https://travis- > > ci.com/github/jlinkes/dpdk/jobs/433176503 > > > > I think we need to add a commit that fixes the failure but I don't > > know how to fix it. > > Can you try '-mcpu=native' instead of '-march=native -mtune=native' for native > build? > Clang doesn't support '-march=native'. > Reference can be found here: > https://community.arm.com/developer/tools-software/tools/b/tools-software- > ides-blog/posts/compiler-flags-across-architectures-march-mtune-and-mcpu > >
Unfortunately, it did not help: Compiler for C supports arguments -mcpu=native: YES Message: Using machine args: ['-mcpu=native'] ... ../lib/librte_eal/arm/include/rte_atomic_64.h:76:39: error: instruction requires: lse Full log here: https://travis-ci.com/github/jlinkes/dpdk/jobs/433414180 > > > > > > > if [ "$BUILD_DOCS" = "1" ]; then > > > > OPTS="$OPTS -Denable_docs=true" > > > > fi > > > > -- > > > > 2.20.1