Add support for per-device .te and .fc files.

Android.mk

@@ -11,6 +11,11 @@ POLICYVERS := 24
 MLS_SENS=1
 MLS_CATS=1024
 
+LOCAL_POLICY_DIRS := $(SRC_TARGET_DIR)/board/$(TARGET_DEVICE)/ device/*/$(TARGET_DEVICE)/ vendor/*/$(TARGET_DEVICE)/
+
+LOCAL_POLICY_FC := $(wildcard $(addsuffix *.fc, $(LOCAL_POLICY_DIRS)))
+LOCAL_POLICY_TE := $(wildcard $(addsuffix *.te, $(LOCAL_POLICY_DIRS)))
+
 ##################################
 include $(CLEAR_VARS)
 
@@ -25,7 +30,7 @@ include $(BUILD_SYSTEM)/base_rules.mk
 sepolicy_policy.conf := $(intermediates)/policy.conf
 $(sepolicy_policy.conf): PRIVATE_MLS_SENS := $(MLS_SENS)
 $(sepolicy_policy.conf): PRIVATE_MLS_CATS := $(MLS_CATS)
-$(sepolicy_policy.conf) : $(wildcard $(addprefix $(LOCAL_PATH)/,security_classes initial_sids access_vectors global_macros mls_macros mls policy_capabilities te_macros attributes *.te roles users ocontexts))
+$(sepolicy_policy.conf) : $(wildcard $(addprefix $(LOCAL_PATH)/,security_classes initial_sids access_vectors global_macros mls_macros mls policy_capabilities te_macros attributes *.te) $(LOCAL_POLICY_TE) $(addprefix $(LOCAL_PATH)/, roles users ocontexts))
 	@mkdir -p $(dir $@)
 	$(hide) m4 -D mls_num_sens=$(PRIVATE_MLS_SENS) -D mls_num_cats=$(PRIVATE_MLS_CATS) -s $^ > $@
 
@@ -38,13 +43,18 @@ sepolicy_policy.conf :=
 include $(CLEAR_VARS)
 
 LOCAL_MODULE := file_contexts
-LOCAL_SRC_FILES := $(LOCAL_MODULE)
 LOCAL_MODULE_CLASS := ETC
 LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)
 
-include $(BUILD_PREBUILT)
+include $(BUILD_SYSTEM)/base_rules.mk
+
+file_contexts := $(intermediates)/file_contexts
+$(file_contexts): $(LOCAL_PATH)/file_contexts $(LOCAL_POLICY_FC)
+	@mkdir -p $(dir $@)
+	$(hide) cat $^ > $@
 
+file_contexts :=
 ##################################
 include $(CLEAR_VARS)