[dpdk-dev] [PATCH 1/2] net/ice: fix build error on lower version GCC

Leyi Rong leyi.rong at intel.com
Tue Nov 3 13:56:28 CET 2020


Fix the build error when -march=skylake-avx512 is not supported on
lower version GCC.

Fixes: ef5d52dae5e2 ("net/ice: add AVX512 vector path")

Signed-off-by: Leyi Rong <leyi.rong at intel.com>
---
 drivers/net/ice/meson.build | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ice/meson.build b/drivers/net/ice/meson.build
index 7d54a49236..ec8933aa1a 100644
--- a/drivers/net/ice/meson.build
+++ b/drivers/net/ice/meson.build
@@ -46,12 +46,21 @@ if arch_subdir == 'x86'
 
 	if ice_avx512_cpu_support == true or ice_avx512_cc_support == true
 		cflags += ['-DCC_AVX512_SUPPORT']
-		ice_avx512_lib = static_library('ice_avx512_lib',
-				      'ice_rxtx_vec_avx512.c',
-				      dependencies: [static_rte_ethdev,
-					static_rte_kvargs, static_rte_hash],
-				      include_directories: includes,
-				      c_args: [cflags, '-march=skylake-avx512', '-mavx512f', '-mavx512bw'])
+		if cc.has_argument('-march=skylake-avx512')
+			ice_avx512_lib = static_library('ice_avx512_lib',
+					      'ice_rxtx_vec_avx512.c',
+					      dependencies: [static_rte_ethdev,
+						static_rte_kvargs, static_rte_hash],
+					      include_directories: includes,
+					      c_args: [cflags, '-march=skylake-avx512', '-mavx512f', '-mavx512bw'])
+		else
+			ice_avx512_lib = static_library('ice_avx512_lib',
+					      'ice_rxtx_vec_avx512.c',
+					      dependencies: [static_rte_ethdev,
+						static_rte_kvargs, static_rte_hash],
+					      include_directories: includes,
+					      c_args: [cflags, '-mavx512f', '-mavx512bw'])
+		endif
 		objs += ice_avx512_lib.extract_objects('ice_rxtx_vec_avx512.c')
 	endif
 endif
-- 
2.17.1



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