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platform_build/core/package.mk
Joe Onorato 899e62a841 Add an inherit-package macro to the build system. 
This lets you use the source code from one apk to build a new one
with a new module name, a new android package name and optionally,
a new certificate.

To use this, in a makefile, add this:

$(call inherit-package, \
    packages/apps/Music/Android.mk, \
    Music, \
    MusicFork, \
    my_cert, \
    com.example.music)

You don't need the LOCAL_PATH and CLEAR_VARS stuff.  It will override
only the packages that are defined in the makefile name you give, but
if other modules of other types are defined, you will get an error
saying that it's defined twice.  In that case, you need to move the
duplicate library (for example a .so) out into a different makefile.

A LOCAL_OVERRIDES_PACKAGES entry is automatically created for the
forked app.
2010-02-05 10:16:57 -08:00

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Makefile
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#
# Copyright (C) 2008 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
###########################################################
## Standard rules for building an application package.
##
## Additional inputs from base_rules.make:
## LOCAL_PACKAGE_NAME: The name of the package; the directory
## will be called this.
##
## MODULE, MODULE_PATH, and MODULE_SUFFIX will
## be set for you.
###########################################################
# If this makefile is being read from within an inheritance,
# use the new values.
skip_definition:=
ifdef LOCAL_PACKAGE_OVERRIDES
package_overridden := $(call set-inherited-package-variables)
ifeq ($(strip $(package_overridden)),)
skip_definition := true
endif
endif
ifndef skip_definition
LOCAL_PACKAGE_NAME := $(strip $(LOCAL_PACKAGE_NAME))
ifeq ($(LOCAL_PACKAGE_NAME),)
$(error $(LOCAL_PATH): Package modules must define LOCAL_PACKAGE_NAME)
endif
ifneq ($(strip $(LOCAL_MODULE_SUFFIX)),)
$(error $(LOCAL_PATH): Package modules may not define LOCAL_MODULE_SUFFIX)
endif
LOCAL_MODULE_SUFFIX := $(COMMON_ANDROID_PACKAGE_SUFFIX)
ifneq ($(strip $(LOCAL_MODULE)),)
$(error $(LOCAL_PATH): Package modules may not define LOCAL_MODULE)
endif
LOCAL_MODULE := $(LOCAL_PACKAGE_NAME)
# Android packages should use Android resources or assets.
ifneq (,$(LOCAL_JAVA_RESOURCE_DIRS))
$(error $(LOCAL_PATH): Package modules may not set LOCAL_JAVA_RESOURCE_DIRS)
endif
ifneq (,$(LOCAL_JAVA_RESOURCE_FILES))
$(error $(LOCAL_PATH): Package modules may not set LOCAL_JAVA_RESOURCE_FILES)
endif
ifneq ($(strip $(LOCAL_MODULE_CLASS)),)
$(error $(LOCAL_PATH): Package modules may not set LOCAL_MODULE_CLASS)
endif
LOCAL_MODULE_CLASS := APPS
# Package LOCAL_MODULE_TAGS default to optional
LOCAL_MODULE_TAGS := $(strip $(LOCAL_MODULE_TAGS))
ifeq ($(LOCAL_MODULE_TAGS),)
LOCAL_MODULE_TAGS := optional
endif
#$(warning $(LOCAL_PATH) $(LOCAL_PACKAGE_NAME) $(sort $(LOCAL_MODULE_TAGS)))
ifeq (,$(LOCAL_ASSET_DIR))
LOCAL_ASSET_DIR := $(LOCAL_PATH)/assets
endif
ifeq (,$(LOCAL_RESOURCE_DIR))
LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res
endif
LOCAL_RESOURCE_DIR := \
$(wildcard $(foreach dir, $(PRODUCT_PACKAGE_OVERLAYS), \
$(addprefix $(dir)/, $(LOCAL_RESOURCE_DIR)))) \
$(wildcard $(foreach dir, $(DEVICE_PACKAGE_OVERLAYS), \
$(addprefix $(dir)/, $(LOCAL_RESOURCE_DIR)))) \
$(LOCAL_RESOURCE_DIR)
# this is an app, so add the system libraries to the search path
LOCAL_AIDL_INCLUDES += $(FRAMEWORKS_BASE_JAVA_SRC_DIRS)
#$(warning Finding assets for $(LOCAL_ASSET_DIR))
all_assets := $(call find-subdir-assets,$(LOCAL_ASSET_DIR))
all_assets := $(addprefix $(LOCAL_ASSET_DIR)/,$(patsubst assets/%,%,$(all_assets)))
all_resources := $(strip \
$(foreach dir, $(LOCAL_RESOURCE_DIR), \
$(addprefix $(dir)/, \
$(patsubst res/%,%, \
$(call find-subdir-assets,$(dir)) \
) \
) \
))
all_res_assets := $(strip $(all_assets) $(all_resources))
package_expected_intermediates_COMMON := $(call local-intermediates-dir,COMMON)
# If no assets or resources were found, clear the directory variables so
# we don't try to build them.
ifeq (,$(all_assets))
LOCAL_ASSET_DIR:=
endif
ifeq (,$(all_resources))
LOCAL_RESOURCE_DIR:=
R_file_stamp :=
else
# Make sure that R_file_stamp inherits the proper PRIVATE vars.
# If R.stamp moves, be sure to update the framework makefile,
# which has intimate knowledge of its location.
R_file_stamp := $(package_expected_intermediates_COMMON)/src/R.stamp
LOCAL_INTERMEDIATE_TARGETS += $(R_file_stamp)
endif
LOCAL_BUILT_MODULE_STEM := package.apk
proguard_options_file := $(package_expected_intermediates_COMMON)/proguard_options
ifneq ($(strip $(LOCAL_PROGUARD_ENABLED)),custom)
LOCAL_PROGUARD_FLAGS := -include $(proguard_options_file) $(LOCAL_PROGUARD_FLAGS)
endif
# The dex files go in the package, so we don't
# want to install them separately for this module.
old_DONT_INSTALL_DEX_FILES := $(DONT_INSTALL_DEX_FILES)
DONT_INSTALL_DEX_FILES := true
#################################
include $(BUILD_SYSTEM)/java.mk
#################################
DONT_INSTALL_DEX_FILES := $(old_DONT_INSTALL_DEX_FILES)
old_DONT_INSTALL_DEX_FILES =
full_android_manifest := $(LOCAL_PATH)/AndroidManifest.xml
$(LOCAL_INTERMEDIATE_TARGETS): \
PRIVATE_ANDROID_MANIFEST := $(full_android_manifest)
ifneq ($(all_resources),)
# Since we don't know where the real R.java file is going to end up,
# we need to use another file to stand in its place. We'll just
# copy the generated file to src/R.stamp, which means it will
# have the same contents and timestamp as the actual file.
#
# At the same time, this will copy the R.java file to a central
# 'R' directory to make it easier to add the files to an IDE.
#
#TODO: use PRIVATE_SOURCE_INTERMEDIATES_DIR instead of
# $(intermediates.COMMON)/src
ifneq ($(package_expected_intermediates_COMMON),$(intermediates.COMMON))
$(error $(LOCAL_MODULE): internal error: expected intermediates.COMMON "$(package_expected_intermediates_COMMON)" != intermediates.COMMON "$(intermediates.COMMON)")
endif
$(R_file_stamp): PRIVATE_RESOURCE_PUBLICS_OUTPUT := \
$(intermediates.COMMON)/public_resources.xml
$(R_file_stamp): PRIVATE_PROGUARD_OPTIONS_FILE := $(proguard_options_file)
$(R_file_stamp): $(all_res_assets) $(full_android_manifest) $(AAPT) | $(ACP)
@echo "target R.java/Manifest.java: $(PRIVATE_MODULE) ($@)"
@rm -f $@
$(create-resource-java-files)
$(hide) for GENERATED_MANIFEST_FILE in `find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) \
-name Manifest.java 2> /dev/null`; do \
dir=`grep package $$GENERATED_MANIFEST_FILE | head -n1 | \
awk '{print $$2}' | tr -d ";" | tr . /`; \
mkdir -p $(TARGET_COMMON_OUT_ROOT)/R/$$dir; \
$(ACP) -fpt $$GENERATED_MANIFEST_FILE $(TARGET_COMMON_OUT_ROOT)/R/$$dir; \
done;
$(hide) for GENERATED_R_FILE in `find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) \
-name R.java 2> /dev/null`; do \
dir=`grep package $$GENERATED_R_FILE | head -n1 | \
awk '{print $$2}' | tr -d ";" | tr . /`; \
mkdir -p $(TARGET_COMMON_OUT_ROOT)/R/$$dir; \
$(ACP) -fpt $$GENERATED_R_FILE $(TARGET_COMMON_OUT_ROOT)/R/$$dir \
|| exit 31; \
$(ACP) -fpt $$GENERATED_R_FILE $@ || exit 32; \
done; \
$(proguard_options_file): $(R_file_stamp)
ifdef LOCAL_EXPORT_PACKAGE_RESOURCES
# Put this module's resources into a PRODUCT-agnositc package that
# other packages can use to build their own PRODUCT-agnostic R.java (etc.)
# files.
resource_export_package := $(intermediates.COMMON)/package-export.apk
$(R_file_stamp): $(resource_export_package)
# add-assets-to-package looks at PRODUCT_AAPT_CONFIG, but this target
# can't know anything about PRODUCT. Clear it out just for this target.
$(resource_export_package): PRODUCT_AAPT_CONFIG :=
$(resource_export_package): $(all_res_assets) $(full_android_manifest) $(AAPT)
@echo "target Export Resources: $(PRIVATE_MODULE) ($@)"
$(create-empty-package)
$(add-assets-to-package)
endif
# Other modules should depend on the BUILT module if
# they want to use this module's R.java file.
$(LOCAL_BUILT_MODULE): $(R_file_stamp)
ifneq ($(full_classes_jar),)
# If full_classes_jar is non-empty, we're building sources.
# If we're building sources, the initial javac step (which
# produces full_classes_compiled_jar) needs to ensure the
# R.java and Manifest.java files have been generated first.
$(full_classes_compiled_jar): $(R_file_stamp)
endif
endif # all_resources
ifeq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
# We need to explicitly clear this var so that we don't
# inherit the value from whomever caused us to be built.
$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_AAPT_INCLUDES :=
else
# Most packages should link against the resources defined by framework-res.
# Even if they don't have their own resources, they may use framework
# resources.
framework_res_package_export := \
$(call intermediates-dir-for,APPS,framework-res,,COMMON)/package-export.apk
$(LOCAL_INTERMEDIATE_TARGETS): \
PRIVATE_AAPT_INCLUDES := $(framework_res_package_export)
# We can't depend directly on the export.apk file; it won't get its
# PRIVATE_ vars set up correctly if we do. Instead, depend on the
# corresponding R.stamp file, which lists the export.apk as a dependency.
framework_res_package_export_deps := \
$(dir $(framework_res_package_export))src/R.stamp
$(R_file_stamp): $(framework_res_package_export_deps)
endif
ifneq ($(full_classes_jar),)
$(LOCAL_BUILT_MODULE): PRIVATE_DEX_FILE := $(built_dex)
$(LOCAL_BUILT_MODULE): $(built_dex)
endif # full_classes_jar
# Get the list of jni libraries to be included in the apk file.
so_suffix := $($(my_prefix)SHLIB_SUFFIX)
jni_shared_libraries := \
$(addprefix $($(my_prefix)OUT_INTERMEDIATE_LIBRARIES)/, \
$(addsuffix $(so_suffix), \
$(LOCAL_JNI_SHARED_LIBRARIES)))
# Pick a key to sign the package with. If this package hasn't specified
# an explicit certificate, use the default.
# Secure release builds will have their packages signed after the fact,
# so it's ok for these private keys to be in the clear.
ifeq ($(LOCAL_CERTIFICATE),)
LOCAL_CERTIFICATE := testkey
endif
ifeq ($(LOCAL_CERTIFICATE),EXTERNAL)
# The special value "EXTERNAL" means that we will sign it with the
# default testkey, apply predexopt, but then expect the final .apk
# (after dexopting) to be signed by an outside tool.
LOCAL_CERTIFICATE := testkey
PACKAGES.$(LOCAL_PACKAGE_NAME).EXTERNAL_KEY := 1
endif
# If this is not an absolute certificate, assign it to a generic one.
ifeq ($(dir $(strip $(LOCAL_CERTIFICATE))),./)
LOCAL_CERTIFICATE := $(SRC_TARGET_DIR)/product/security/$(LOCAL_CERTIFICATE)
endif
private_key := $(LOCAL_CERTIFICATE).pk8
certificate := $(LOCAL_CERTIFICATE).x509.pem
$(LOCAL_BUILT_MODULE): $(private_key) $(certificate) $(SIGNAPK_JAR)
$(LOCAL_BUILT_MODULE): PRIVATE_PRIVATE_KEY := $(private_key)
$(LOCAL_BUILT_MODULE): PRIVATE_CERTIFICATE := $(certificate)
PACKAGES.$(LOCAL_PACKAGE_NAME).PRIVATE_KEY := $(private_key)
PACKAGES.$(LOCAL_PACKAGE_NAME).CERTIFICATE := $(certificate)
# Define the rule to build the actual package.
$(LOCAL_BUILT_MODULE): $(AAPT) | $(ZIPALIGN)
$(LOCAL_BUILT_MODULE): PRIVATE_JNI_SHARED_LIBRARIES := $(jni_shared_libraries)
$(LOCAL_BUILT_MODULE): $(all_res_assets) $(jni_shared_libraries) $(full_android_manifest)
@echo "target Package: $(PRIVATE_MODULE) ($@)"
$(create-empty-package)
$(add-assets-to-package)
ifneq ($(jni_shared_libraries),)
$(add-jni-shared-libs-to-package)
endif
ifneq ($(full_classes_jar),)
$(add-dex-to-package)
endif
$(sign-package)
@# Alignment must happen after all other zip operations.
$(align-package)
# Save information about this package
PACKAGES.$(LOCAL_PACKAGE_NAME).OVERRIDES := $(strip $(LOCAL_OVERRIDES_PACKAGES))
PACKAGES.$(LOCAL_PACKAGE_NAME).RESOURCE_FILES := $(all_resources)
PACKAGES := $(PACKAGES) $(LOCAL_PACKAGE_NAME)
endif # skip_definition
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