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target.mk: rework arm architecture level detection 

Use kernel config as input instead of -march CFLAGS.
With this change, -march can be dropped and replaced with more specific
optimization flags for better code generation.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
lede-17.01
Felix Fietkau 2016-07-14 15:41:22 +02:00
parent 8e2764ce9b
commit 11d496d156
2 changed files with 1 additions and 7 deletions
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2
include/target.mk
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@ -259,7 +259,7 @@ ifeq ($(DUMP),1)
ifneq ($(CONFIG_RTC_CLASS),) ifneq ($(CONFIG_RTC_CLASS),)
FEATURES += rtc FEATURES += rtc
endif endif
FEATURES += $(foreach v,v4 v5 v6 v7,$(if $(filter -march=arm$(v)%,$(CPU_CFLAGS_$(CPU_TYPE))),arm_$(v))) FEATURES += $(foreach v,6 7,$(if $(CONFIG_CPU_V$(v)),arm_v$(v)))
# remove duplicates # remove duplicates
FEATURES:=$(sort $(FEATURES)) FEATURES:=$(sort $(FEATURES))

6
target/Config.in
View File

@ -117,12 +117,6 @@ config armeb
select BIG_ENDIAN select BIG_ENDIAN
bool bool
config arm_v4
bool
config arm_v5
bool
config arm_v6 config arm_v6
bool bool