Define TARGET_CPU_ABI for finding native code in .apks
diff --git a/core/main.mk b/core/main.mk
index 655a592..2bf8102 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -406,6 +406,10 @@
# Clean up/verify variables defined by the board config file.
TARGET_BOOTLOADER_BOARD_NAME := $(strip $(TARGET_BOOTLOADER_BOARD_NAME))
+TARGET_CPU_ABI := $(strip $(TARGET_CPU_ABI))
+ifeq ($(TARGET_CPU_ABI),)
+ $(error No TARGET_CPU_ABI defined by board config: $(board_config_mk))
+endif
#
# Include all of the makefiles in the system