[PATCH 1/2] config/arm: Do not require processor information

[Akihiko Odaki <akihiko.odaki@daynix.com>]

DPDK can be built even without exact processor information for x86 and
ppc so allow to build for Arm even if we don't know the targeted
processor is unknown.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
---
 config/arm/meson.build | 36 +++++++++++++++++++-----------------
 1 file changed, 19 insertions(+), 17 deletions(-)

diff --git a/config/arm/meson.build b/config/arm/meson.build
index 6442ec9596..724c00ad7e 100644
--- a/config/arm/meson.build
+++ b/config/arm/meson.build
@@ -582,29 +582,31 @@ if update_flags
         enable_drivers += ',' + soc_config.get('enable_drivers', '')
     endif
 
-    if implementers.has_key(implementer_id)
+    if not implementers.has_key(implementer_id)
+        implementer_id = 'generic'
+    endif
+
+    implementer_config = implementers[implementer_id]
+    part_number_config = implementer_config['part_number_config']
+
+    if not part_number_config.has_key(part_number)
+        implementer_id = 'generic'
+
+        if dpdk_conf.get('RTE_ARCH_32')
+            part_number = 'generic_aarch32'
+        else
+            part_number = 'generic'
+        endif
+
         implementer_config = implementers[implementer_id]
-    else
-        error('Unsupported Arm implementer: @0@. '.format(implementer_id) +
-              'Please add support for it or use the generic ' +
-              '(-Dplatform=generic) build.')
+        part_number_config = implementer_config['part_number_config']
     endif
 
+    part_number_config = part_number_config[part_number]
+
     message('Arm implementer: ' + implementer_config['description'])
     message('Arm part number: ' + part_number)
 
-    part_number_config = implementer_config['part_number_config']
-    if part_number_config.has_key(part_number)
-        # use the specified part_number machine args if found
-        part_number_config = part_number_config[part_number]
-    else
-        # unknown part number
-        error('Unsupported part number @0@ of implementer @1@. '
-              .format(part_number, implementer_id) +
-              'Please add support for it or use the generic ' +
-              '(-Dplatform=generic) build.')
-    endif
-
     # add/overwrite flags in the proper order
     dpdk_flags = flags_common + implementer_config['flags'] + part_number_config.get('flags', []) + soc_flags
 
-- 
2.40.0