Maybe we actually need to step back a bit and talk about versions. Which DPDK version are you using? Why are you using the old make build system instead of Meson?
Support for KNI cross-compilation was only added recently to Meson and I don't know enough about the old Make system to comment on that. Juraj > -----Original Message----- > From: Juraj Linkeš > Sent: Friday, April 30, 2021 2:18 PM > To: 'Joakim Zhang' <qiangqing.zh...@nxp.com>; us...@dpdk.org; > dev@dpdk.org > Subject: RE: Build KNI module failed > > Hi Joakim, > > When I cross-compiled KNI I only used gcc that comes with Ubuntu, e.g.: > sudo apt install gcc-aarch64-linux-gnu libc6-dev-arm64-cross pkg-config- > aarch64-linux-gnu > > Which Ubuntu version are you using? The Ubuntu18.04 gcc works fine: > aarch64-linux-gnu-gcc -v > gcc version 7.5.0 (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) > > This is a bit strange, since the versions are the same/similar. > > I am using this meson invocation: > meson kni-cross-gcc -Denable_kmods=true -Dkernel_dir=/home/jlinkes/linux -- > cross-file config/arm/arm64_armv8_linux_gcc > > /home/jlinkes/linux is where I have my Linux git repo. > > Juraj > > > -----Original Message----- > > From: dev <dev-boun...@dpdk.org> On Behalf Of Joakim Zhang > > Sent: Tuesday, April 27, 2021 11:43 AM > > To: us...@dpdk.org; dev@dpdk.org > > Subject: [dpdk-dev] Build KNI module failed > > > > > > Hi guys, > > > > Is there anyone met gcc build error when build KNI module on Ubuntu to > > cross build ARM64? > > I tried both gcc-linaro-6.5.0-2018.12-x86_64_aarch64-linux-gnu and > > gcc-linaro- 7.5.0-2019.12-x86_64_aarch64-linux-gnu. > > > > The error log as below, any comments would be appreciated! Thanks a lot! > > == Build kernel/linux/kni > > CC [M] /home/zqq/dpdk/arm64-dpaa-linuxapp- > > gcc/build/kernel/linux/kni/kni_misc.o > > aarch64-linux-gnu-gcc: error: unrecognized command line option > > '-mstack- protector-guard=sysreg'; did you mean '-fstack-protector-strong'? > > aarch64-linux-gnu-gcc: error: unrecognized command line option > > '-mstack- protector-guard-reg=sp_el0'; did you mean '-fstack-protector-all'? > > aarch64-linux-gnu-gcc: error: unrecognized command line option > > '-mstack- protector-guard-offset=1096'; did you mean '-fstack-protector- > strong'? > > scripts/Makefile.build:279: recipe for target > > '/home/zqq/dpdk/arm64-dpaa- > > linuxapp-gcc/build/kernel/linux/kni/kni_misc.o' failed > > > > I search the source code, have not found these gcc command line options. > > > > Best Regards, > > Joakim Zhang > >
