Since commit `7f6bffb dpdk: support build with external & multilib toolchains' applied, it added var-HOST_CC_ARCH in which has option `-march=**' to enable specific SSE for specific arch that causing SSE mismatch error while compiling [snip] | recipe-sysroot-native/usr/lib/i586-wrs-linux/gcc/i586-wrs-linux/8.2.0/include/ xmmintrin.h:1232:1: error: inlining failed in call to always_inline '_mm_sfence': target specific option mismatch | _mm_sfence (void) | ^~~~~~~~~~ | In file included from git/lib/librte_eal/linuxapp/eal/eal_thread.c:16: | git/i686-native-linuxapp-gcc/include/rte_atomic.h:26:19: note: called from here | #define rte_wmb() _mm_sfence() | ^~~~~~~~~~~~ | git/lib/librte_eal/linuxapp/eal/eal_thread.c:155:3: note: in expansion of macro 'rte_wmb' | rte_wmb(); [snip]
If var-DPDK_TARGET_MACHINE is `default', it mismatches with `-march=**' in var-HOST_CC_ARCH For qemux86-64, while var-DPDK_TARGET_MACHINE is `default', its `-march=corei7', it mismatchies with `-march=core2' in var-HOST_CC_ARCH [grep corei -rn mk] mk/machine/native/rte.vars.mk:35:# so, set the compilation target to be a corei7, minimum target with SSE4.2. mk/machine/native/rte.vars.mk:38: MACHINE_CFLAGS = -march=corei7 mk/machine/default/rte.vars.mk:30:MACHINE_CFLAGS += -march=corei7 mk/machine/wsm/rte.vars.mk:30:MACHINE_CFLAGS = -march=corei7 -maes -mpclmul mk/machine/snb/rte.vars.mk:30:MACHINE_CFLAGS = -march=corei7-avx mk/machine/nhm/rte.vars.mk:30:MACHINE_CFLAGS = -march=corei [grep corei -rn mk] For `default', its MACHINE_CFLAGS is ` -march=corei7', and set `DPDK_TARGET_MACHINE = 'corei5'' does not work, no mk/machine/corei5/rte.vars.mk to support it Remove var-HOST_CC_ARCH from do_compile to workaround march mismatch error Signed-off-by: Hongxu Jia <[email protected]> --- recipes-extended/dpdk/dpdk.inc | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/recipes-extended/dpdk/dpdk.inc b/recipes-extended/dpdk/dpdk.inc index 194986b..0d4bbb1 100644 --- a/recipes-extended/dpdk/dpdk.inc +++ b/recipes-extended/dpdk/dpdk.inc @@ -102,18 +102,18 @@ do_compile () { cd ${S}/${RTE_TARGET} oe_runmake EXTRA_LDFLAGS="-L${STAGING_LIBDIR} --hash-style=gnu" \ - EXTRA_CFLAGS="${HOST_CC_ARCH} ${TOOLCHAIN_OPTIONS} -I${STAGING_INCDIR}" \ + EXTRA_CFLAGS="${TOOLCHAIN_OPTIONS} -I${STAGING_INCDIR}" \ CROSS="${TARGET_PREFIX}" \ prefix="" LDFLAGS="${TUNE_LDARGS}" WERROR_FLAGS="-w" V=1 cd ${S}/examples/ oe_runmake EXTRA_LDFLAGS="-L${STAGING_LIBDIR} --hash-style=gnu -fuse-ld=bfd" \ - EXTRA_CFLAGS="${HOST_CC_ARCH} ${TOOLCHAIN_OPTIONS} -I${STAGING_INCDIR}" \ + EXTRA_CFLAGS="${TOOLCHAIN_OPTIONS} -I${STAGING_INCDIR}" \ CROSS="${TARGET_PREFIX}" O="${S}/examples/$@/" cd ${S}/test/ oe_runmake EXTRA_LDFLAGS="-L${STAGING_LIBDIR} --hash-style=gnu -fuse-ld=bfd" \ - EXTRA_CFLAGS="${HOST_CC_ARCH} ${TOOLCHAIN_OPTIONS} -I${STAGING_INCDIR}" \ + EXTRA_CFLAGS="${TOOLCHAIN_OPTIONS} -I${STAGING_INCDIR}" \ CROSS="${TARGET_PREFIX}" O="${S}/test/$@/" } -- 2.7.4 -- _______________________________________________ meta-intel mailing list [email protected] https://lists.yoctoproject.org/listinfo/meta-intel
