1 files changed, 81 insertions, 0 deletions
diff --git a/tools/aapt2/data/lib/Makefile b/tools/aapt2/data/lib/Makefile
new file mode 100644
index 0000000..372c225
--- /dev/null
+++ b/tools/aapt2/data/lib/Makefile
@@ -0,0 +1,81 @@
+##
+# Environment dependent variables
+##
+
+AAPT := aapt2
+ZIPALIGN := zipalign -f 4
+FRAMEWORK := ../../../../../../out/target/common/obj/APPS/framework-res_intermediates/package-export.apk
+
+##
+# Project depenedent variables
+##
+
+LOCAL_PACKAGE := android.appcompat
+LOCAL_RESOURCE_DIR := res
+LOCAL_OUT := out
+LOCAL_GEN := out/gen
+
+##
+# AAPT2 custom rules.
+##
+
+PRIVATE_APK_UNALIGNED := $(LOCAL_OUT)/package-unaligned.apk
+PRIVATE_APK_ALIGNED := $(LOCAL_OUT)/package.apk
+
+# Eg: framework.apk, etc.
+PRIVATE_LIBS := $(FRAMEWORK)
+$(info PRIVATE_LIBS = $(PRIVATE_LIBS))
+
+# Eg: gen/com/android/app/R.java
+PRIVATE_R_JAVA := $(LOCAL_GEN)/$(subst .,/,$(LOCAL_PACKAGE))/R.java
+$(info PRIVATE_R_JAVA = $(PRIVATE_R_JAVA))
+
+# Eg: res/drawable/icon.png, res/values/styles.xml
+PRIVATE_RESOURCES := $(shell find $(LOCAL_RESOURCE_DIR) -mindepth 1 -maxdepth 2 -type f)
+$(info PRIVATE_RESOURCES = $(PRIVATE_RESOURCES))
+
+# Eg: drawable, values, layouts
+PRIVATE_RESOURCE_TYPES := \
+	$(patsubst $(LOCAL_RESOURCE_DIR)/%/,%,$(sort $(dir $(PRIVATE_RESOURCES))))
+$(info PRIVATE_RESOURCE_TYPES = $(PRIVATE_RESOURCE_TYPES))
+
+# Eg: out/values-v4.apk, out/drawable-xhdpi.apk
+PRIVATE_INTERMEDIATE_TABLES := $(patsubst %,$(LOCAL_OUT)/%.apk,$(PRIVATE_RESOURCE_TYPES))
+$(info PRIVATE_INTERMEDIATE_TABLES = $(PRIVATE_INTERMEDIATE_TABLES))
+
+# Generates rules for collect phase.
+# $1: Resource type (values-v4)
+# returns: out/values-v4.apk: res/values-v4/styles.xml res/values-v4/colors.xml
+define make-collect-rule
+$(LOCAL_OUT)/$1.apk: $(filter $(LOCAL_RESOURCE_DIR)/$1/%,$(PRIVATE_RESOURCES))
+	$(AAPT) compile --package $(LOCAL_PACKAGE) -o $$@ $$^
+endef
+
+# Collect: out/values-v4.apk <- res/values-v4/styles.xml res/values-v4/colors.xml
+$(foreach d,$(PRIVATE_RESOURCE_TYPES),$(eval $(call make-collect-rule,$d)))
+
+# Link: out/package-unaligned.apk <- out/values-v4.apk out/drawable-v4.apk
+$(PRIVATE_APK_UNALIGNED): $(PRIVATE_INTERMEDIATE_TABLES) $(PRIVATE_LIBS) AndroidManifest.xml
+	$(AAPT) link --manifest AndroidManifest.xml $(addprefix -I ,$(PRIVATE_LIBS)) --java $(LOCAL_GEN) -o $@ $(PRIVATE_INTERMEDIATE_TABLES) --static-lib
+
+# R.java: gen/com/android/app/R.java <- out/resources.arsc
+# No action since R.java is generated when out/resources.arsc is.
+$(PRIVATE_R_JAVA): $(PRIVATE_APK_UNALIGNED)
+
+# Assemble: zip out/resources.arsc AndroidManifest.xml and res/**/*
+$(PRIVATE_APK_ALIGNED): $(PRIVATE_APK_UNALIGNED)
+	$(ZIPALIGN) $< $@
+
+# Create the out directory if needed.
+dummy := $(shell test -d $(LOCAL_OUT) || mkdir -p $(LOCAL_OUT))
+
+.PHONY: java
+java: $(PRIVATE_R_JAVA)
+
+.PHONY: assemble
+assemble: $(PRIVATE_APK_ALIGNED)
+
+.PHONY: all
+all: assemble java
+
+.DEFAULT_GOAL := all