build: add config symbols for different ARM arch levels

[openwrt.git] / include / target.mk

diff --git a/include/target.mk b/include/target.mk
index 107558218e7f0fc025dc2d6679e385b51294d2da..6774076f919601ce618734efccdad26e30e24072 100644 (file)
--- a/include/target.mk
+++ b/include/target.mk
@@ -186,6 +186,7 @@ ifeq ($(DUMP),1)
     ifneq ($(CONFIG_RTC_CLASS),)
       FEATURES += rtc
     endif
+    FEATURES += $(foreach v,v4 v5 v6 v7,$(if $(findstring -march=arm$(v),$(CFLAGS)),arm_$(v)))
 
     # remove duplicates
     FEATURES:=$(sort $(FEATURES))