[dpdk-dev] [PATCH v7 03/14] build: remove unused or superfluous variables

["Juraj Linkeš" <juraj.linkes@pantheon.tech>]

Remove variables that were either not used, referenced just once or not
needed.

Signed-off-by: Juraj Linkeš <juraj.linkes@pantheon.tech>
Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
---
 config/arm/meson.build | 28 +++++++---------------------
 1 file changed, 7 insertions(+), 21 deletions(-)

diff --git a/config/arm/meson.build b/config/arm/meson.build
index 897bfb9fa..45d1d1d79 100644
--- a/config/arm/meson.build
+++ b/config/arm/meson.build
@@ -3,11 +3,7 @@
 # Copyright(c) 2017 Cavium, Inc
 # Copyright(c) 2020 PANTHEON.tech s.r.o.
 
-# for checking defines we need to use the correct compiler flags
-march_opt = '-march=@0@'.format(machine)
-
 arm_force_native_march = false
-arm_force_generic_march = (machine == 'generic')
 
 flags_common_default = [
 	# Accelarate rte_memcpy. Be sure to run unit test (memcpy_perf_autotest)
@@ -63,7 +59,6 @@ flags_implementer_armada = [
 	['RTE_MAX_NUMA_NODES', 1],
 	['RTE_MAX_LCORE', 16]]
 
-flags_part_number_default = []
 flags_part_number_thunderx = [
 	['RTE_MACHINE', '"thunderx"'],
 	['RTE_USE_C11_MEM_MODEL', false]]
@@ -120,17 +115,9 @@ part_number_config_emag = [
 ## Arm implementer ID (ARM DDI 0487C.a, Section G7.2.106, Page G7-5321)
 implementer_generic = ['Generic armv8', flags_implementer_generic, part_number_config_arm]
 implementer_0x41 = ['Arm', flags_implementer_arm, part_number_config_arm]
-implementer_0x42 = ['Broadcom', flags_implementer_generic, part_number_config_arm]
 implementer_0x43 = ['Cavium', flags_implementer_cavium, part_number_config_cavium]
-implementer_0x44 = ['DEC', flags_implementer_generic, part_number_config_arm]
-implementer_0x49 = ['Infineon', flags_implementer_generic, part_number_config_arm]
-implementer_0x4d = ['Motorola', flags_implementer_generic, part_number_config_arm]
-implementer_0x4e = ['NVIDIA', flags_implementer_generic, part_number_config_arm]
 implementer_0x50 = ['Ampere Computing', flags_implementer_emag, part_number_config_emag]
-implementer_0x51 = ['Qualcomm', flags_implementer_generic, part_number_config_arm]
-implementer_0x53 = ['Samsung', flags_implementer_generic, part_number_config_arm]
 implementer_0x56 = ['Marvell ARMADA', flags_implementer_armada, part_number_config_arm]
-implementer_0x69 = ['Intel', flags_implementer_generic, part_number_config_arm]
 implementer_dpaa = ['NXP DPAA', flags_implementer_dpaa, part_number_config_arm]
 
 dpdk_conf.set('RTE_ARCH_ARM', 1)
@@ -146,11 +133,9 @@ else
 	dpdk_conf.set('RTE_CACHE_LINE_SIZE', 128)
 	dpdk_conf.set('RTE_ARCH_ARM64', 1)
 
-	implementer_config = []
-	cmd_generic = ['generic', '', '', 'generic', '']
-	cmd_output = cmd_generic # Set generic by default
+	implementer_id = 'generic'
 	machine_args = [] # Clear previous machine args
-	if arm_force_generic_march and not meson.is_cross_build()
+	if machine == 'generic' and not meson.is_cross_build()
 		implementer_config = implementer_generic
 		part_number = 'generic'
 	elif not meson.is_cross_build()
@@ -161,14 +146,15 @@ else
 		cmd = run_command(detect_vendor.path())
 		if cmd.returncode() == 0
 			cmd_output = cmd.stdout().to_lower().strip().split(' ')
+			implementer_id = cmd_output[0]
+			part_number = cmd_output[3]
 		endif
 		# Set to generic if variable is not found
-		implementer_config = get_variable('implementer_' + cmd_output[0], ['generic'])
+		implementer_config = get_variable('implementer_' + implementer_id, ['generic'])
 		if implementer_config[0] == 'generic'
 			implementer_config = implementer_generic
-			cmd_output = cmd_generic
+			part_number = 'generic'
 		endif
-		part_number = cmd_output[3]
 		if arm_force_native_march == true
 			part_number = 'native'
 		endif
@@ -201,7 +187,7 @@ else
 				endif
 			endforeach
 			# Apply any extra machine specific flags.
-			foreach flag: marg.get(2, flags_part_number_default)
+			foreach flag: marg.get(2, [])
 				if flag.length() > 0
 					dpdk_conf.set(flag[0], flag[1])
 				endif
-- 
2.20.1