NOTICE file only module

To pick up a NOTICE file in LOCAL_PATH and attach it to
/system/lib/libfoo.so, use the following syntax:

include $(CLEAR_VARS)
LOCAL_MODULE_CLASS := NOTICE_FILES
LOCAL_INSTALLED_MODULE := $(PRODUCT_OUT)/system/lib/libfoo.so
include $(BUILD_NOTICE_FILE)

Bug: 7460213
Change-Id: Ie692be72deab37be04d1b578578c131a0885a090

core/base_rules.mk

@@ -582,6 +582,6 @@ $(foreach tag,$(LOCAL_MODULE_TAGS),\
 ## NOTICE files
 ###########################################################
 
-include $(BUILD_SYSTEM)/notice_files.mk
+include $(BUILD_NOTICE_FILE)
 
 #:vi noexpandtab

core/config.mk

@@ -79,6 +79,7 @@ BUILD_DROIDDOC:= $(BUILD_SYSTEM)/droiddoc.mk
 BUILD_COPY_HEADERS := $(BUILD_SYSTEM)/copy_headers.mk
 BUILD_NATIVE_TEST := $(BUILD_SYSTEM)/native_test.mk
 BUILD_HOST_NATIVE_TEST := $(BUILD_SYSTEM)/host_native_test.mk
+BUILD_NOTICE_FILE := $(BUILD_SYSTEM)/notice_files.mk
 
 -include cts/build/config.mk
 

core/notice_files.mk

@@ -9,6 +9,16 @@ ifeq ($(LOCAL_MODULE_CLASS),GYP)
   notice_file :=
 endif
 
+ifeq ($(LOCAL_MODULE_CLASS),NOTICE_FILES)
+# If this is a NOTICE-only module, we don't include base_rule.mk,
+# so my_prefix is not set at this point.
+ifeq ($(LOCAL_IS_HOST_MODULE),true)
+  my_prefix := HOST_
+else
+  my_prefix := TARGET_
+endif
+endif
+
 ifdef notice_file
 
 # This relies on the name of the directory in PRODUCT_OUT matching where