On Wed, Jul 02, 2025 at 09:36:49AM -0400, Khadem Ullah wrote: > Some Intel Xeon processors (e.g., E5 v3 Haswell) do not support AVX-512 > instructions, and building DPDK targeting 'native' instruction set can > fail with 'target specific option mismatch' errors. > > This patch updates the build guide with instructions for configuring > Meson to disable AVX-512 and target the Haswell architecture. > > Bugzilla ID: 1736 > Cc: sta...@dpdk.org > > Signed-off-by: Khadem Ullah <14pwcse1...@uetpeshawar.edu.pk> > --- > doc/guides/linux_gsg/build_dpdk.rst | 22 ++++++++++++++++++++++ > 1 file changed, 22 insertions(+) > This should not be necessary, and investigation seems to point towards an issue with older gcc-8.5 compiler. Builds on machines without AVX-512, e.g. my old i7-4770 desktop machine, work fine with latest Ubuntu, and also with clang on centos-stream 8. Only the build with gcc 8.5 fails.
/Bruce
