#
# 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.
#

# Users can define base-rules-hook in their buildspec.mk to perform
# arbitrary operations as each module is included.
ifdef base-rules-hook
$(if $(base-rules-hook),)
endif

###########################################################
## Common instructions for a generic module.
###########################################################

LOCAL_MODULE := $(strip $(LOCAL_MODULE))
ifeq ($(LOCAL_MODULE),)
  $(error $(LOCAL_PATH): LOCAL_MODULE is not defined)
endif

LOCAL_IS_HOST_MODULE := $(strip $(LOCAL_IS_HOST_MODULE))
ifdef LOCAL_IS_HOST_MODULE
  ifneq ($(LOCAL_IS_HOST_MODULE),true)
    $(error $(LOCAL_PATH): LOCAL_IS_HOST_MODULE must be "true" or empty, not "$(LOCAL_IS_HOST_MODULE)")
  endif
  my_prefix:=HOST_
  my_host:=host-
else
  my_prefix:=TARGET_
  my_host:=
endif

###########################################################
## Validate and define fallbacks for input LOCAL_* variables.
###########################################################

## Dump a .csv file of all modules and their tags
#ifneq ($(tag-list-first-time),false)
#$(shell rm -f tag-list.csv)
#tag-list-first-time := false
#endif
#comma := ,
#empty :=
#space := $(empty) $(empty)
#$(shell echo $(lastword $(filter-out config/% out/%,$(MAKEFILE_LIST))),$(LOCAL_MODULE),$(strip $(LOCAL_MODULE_CLASS)),$(subst $(space),$(comma),$(sort $(LOCAL_MODULE_TAGS))) >> tag-list.csv)

LOCAL_MODULE_TAGS := $(sort $(LOCAL_MODULE_TAGS))
ifeq (,$(LOCAL_MODULE_TAGS))
# Modules without tags fall back to user (which is changed to user eng below)
LOCAL_MODULE_TAGS := user
#$(warning default tags: $(lastword $(filter-out config/% out/%,$(MAKEFILE_LIST))))
endif

# Add implicit tags.
#
# If the local directory or one of its parents contains a MODULE_LICENSE_GPL
# file, tag the module as "gnu".  Search for "*_GNU*" so that we can also
# find files like MODULE_LICENSE_GPL_AND_AFL but exclude files like
# MODULE_LICENSE_LGPL.
#
ifneq ($(call find-parent-file,$(LOCAL_PATH),MODULE_LICENSE*_GPL*),)
  LOCAL_MODULE_TAGS += gnu
endif

#
# If this module is listed on CUSTOM_MODULES, promote it to "user"
# so that it will be installed in $(TARGET_OUT).
#
ifneq (,$(filter $(LOCAL_MODULE),$(CUSTOM_MODULES)))
  LOCAL_MODULE_TAGS := $(sort $(LOCAL_MODULE_TAGS) user)
endif

# The definition of should-install-to-system will be different depending
# on which goal (e.g., user/eng/sdk) is being built.
ifdef LOCAL_IS_HOST_MODULE
  use_data :=
else
  use_data := $(if $(call should-install-to-system,$(LOCAL_MODULE_TAGS)),,_DATA)
endif

LOCAL_MODULE_CLASS := $(strip $(LOCAL_MODULE_CLASS))
ifneq ($(words $(LOCAL_MODULE_CLASS)),1)
  $(error $(LOCAL_PATH): LOCAL_MODULE_CLASS must contain exactly one word, not "$(LOCAL_MODULE_CLASS)")
endif

# Add a tag like "_class@APPS" to this module so that we can filter
# based on the class.
LOCAL_MODULE_TAGS += _class@$(LOCAL_MODULE_CLASS)

LOCAL_MODULE_PATH := $(strip $(LOCAL_MODULE_PATH))
ifeq ($(LOCAL_MODULE_PATH),)
  LOCAL_MODULE_PATH := $($(my_prefix)OUT$(use_data)_$(LOCAL_MODULE_CLASS))
  ifeq ($(strip $(LOCAL_MODULE_PATH)),)
    $(error $(LOCAL_PATH): unhandled LOCAL_MODULE_CLASS "$(LOCAL_MODULE_CLASS)")
  endif
endif

ifneq ($(strip $(LOCAL_BUILT_MODULE)$(LOCAL_INSTALLED_MODULE)),)
  $(error $(LOCAL_PATH): LOCAL_BUILT_MODULE and LOCAL_INSTALLED_MODULE must not be defined by component makefiles)
endif

# Make sure that this IS_HOST/CLASS/MODULE combination is unique.
module_id := MODULE.$(if \
    $(LOCAL_IS_HOST_MODULE),HOST,TARGET).$(LOCAL_MODULE_CLASS).$(LOCAL_MODULE)
ifdef $(module_id)
$(error $(LOCAL_PATH): $(module_id) already defined by $($(module_id)))
endif
$(module_id) := $(LOCAL_PATH)

intermediates := $(call local-intermediates-dir)
intermediates.COMMON := $(call local-intermediates-dir,COMMON)

###########################################################
# Pick a name for the intermediate and final targets
###########################################################
LOCAL_MODULE_STEM := $(strip $(LOCAL_MODULE_STEM))
ifeq ($(LOCAL_MODULE_STEM),)
  LOCAL_MODULE_STEM := $(LOCAL_MODULE)
endif
LOCAL_INSTALLED_MODULE_STEM := $(LOCAL_MODULE_STEM)$(LOCAL_MODULE_SUFFIX)

LOCAL_BUILT_MODULE_STEM := $(strip $(LOCAL_BUILT_MODULE_STEM))
ifeq ($(LOCAL_BUILT_MODULE_STEM),)
  LOCAL_BUILT_MODULE_STEM := $(LOCAL_INSTALLED_MODULE_STEM)
endif

# OVERRIDE_BUILT_MODULE_PATH is only allowed to be used by the
# internal SHARED_LIBRARIES build files.
OVERRIDE_BUILT_MODULE_PATH := $(strip $(OVERRIDE_BUILT_MODULE_PATH))
ifdef OVERRIDE_BUILT_MODULE_PATH
  ifneq ($(LOCAL_MODULE_CLASS),SHARED_LIBRARIES)
    $(error $(LOCAL_PATH): Illegal use of OVERRIDE_BUILT_MODULE_PATH)
  endif
  built_module_path := $(OVERRIDE_BUILT_MODULE_PATH)
else
  built_module_path := $(intermediates)
endif
LOCAL_BUILT_MODULE := $(built_module_path)/$(LOCAL_BUILT_MODULE_STEM)
built_module_path :=

# LOCAL_UNINSTALLABLE_MODULE is only allowed to be used by the
# internal STATIC_LIBRARIES build files.
LOCAL_UNINSTALLABLE_MODULE := $(strip $(LOCAL_UNINSTALLABLE_MODULE))
ifdef LOCAL_UNINSTALLABLE_MODULE
  ifeq (,$(filter $(LOCAL_MODULE_CLASS),JAVA_LIBRARIES STATIC_LIBRARIES))
    $(error $(LOCAL_PATH): Illegal use of LOCAL_UNINSTALLABLE_MODULE)
  endif
else
  LOCAL_INSTALLED_MODULE := $(LOCAL_MODULE_PATH)/$(LOCAL_MODULE_SUBDIR)$(LOCAL_INSTALLED_MODULE_STEM)
endif

# Assemble the list of targets to create PRIVATE_ variables for.
LOCAL_INTERMEDIATE_TARGETS += $(LOCAL_BUILT_MODULE)


###########################################################
## AIDL: Compile .aidl files to .java
###########################################################

aidl_sources := $(filter %.aidl,$(LOCAL_SRC_FILES))

ifneq ($(strip $(aidl_sources)),)

aidl_java_sources := $(patsubst %.aidl,%.java,$(addprefix $(intermediates.COMMON)/src/, $(aidl_sources)))
aidl_sources := $(addprefix $(TOP_DIR)$(LOCAL_PATH)/, $(aidl_sources))

$(aidl_java_sources): PRIVATE_AIDL_FLAGS := -b -I$(LOCAL_PATH) -I$(LOCAL_PATH)/src $(addprefix -I,$(LOCAL_AIDL_INCLUDES))

$(aidl_java_sources): $(intermediates.COMMON)/src/%.java: $(TOPDIR)$(LOCAL_PATH)/%.aidl $(PRIVATE_ADDITIONAL_DEPENDENCIES) $(AIDL)
	$(transform-aidl-to-java)
-include $(aidl_java_sources:%.java=%.P)

else
aidl_java_sources :=
endif

###########################################################
## Java: Compile .java files to .class
###########################################################
#TODO: pull this into java.make once host and target are combined

java_sources := $(addprefix $(TOP_DIR)$(LOCAL_PATH)/, $(filter %.java,$(LOCAL_SRC_FILES))) $(aidl_java_sources)
all_java_sources := $(java_sources) $(addprefix $($(my_prefix)OUT_COMMON_INTERMEDIATES)/, $(filter %.java,$(LOCAL_INTERMEDIATE_SOURCES)))

## Java resources #########################################

# Look for resource files in any specified directories.
# Non-java and non-doc files will be picked up as resources
# and included in the output jar file.
java_resource_file_groups :=

LOCAL_JAVA_RESOURCE_DIRS := $(strip $(LOCAL_JAVA_RESOURCE_DIRS))
ifneq ($(LOCAL_JAVA_RESOURCE_DIRS),)
  # This makes a list of words like
  #     <dir1>::<file1>:<file2> <dir2>::<file1> <dir3>:
  # where each of the files is relative to the directory it's grouped with.
  # Directories that don't contain any resource files will result in groups
  # that end with a colon, and they are stripped out in the next step.
  java_resource_file_groups += \
    $(foreach dir,$(LOCAL_JAVA_RESOURCE_DIRS), \
	$(subst $(space),:,$(strip \
		$(TOP_DIR)$(LOCAL_PATH)/$(dir): \
	    $(patsubst ./%,%,$(shell cd $(TOP_DIR)$(LOCAL_PATH)/$(dir) && \
		find . \
		    -type d -a -name ".svn" -prune -o \
		    -type f \
			-a \! -name "*.java" \
			-a \! -name "package.html" \
			-a \! -name "overview.html" \
			-a \! -name ".*.swp" \
			-a \! -name ".DS_Store" \
			-a \! -name "*~" \
			-print \
		    )) \
	)) \
    )
  java_resource_file_groups := $(filter-out %:,$(java_resource_file_groups))
endif # LOCAL_JAVA_RESOURCE_DIRS

LOCAL_JAVA_RESOURCE_FILES := $(strip $(LOCAL_JAVA_RESOURCE_FILES))
ifneq ($(LOCAL_JAVA_RESOURCE_FILES),)
  java_resource_file_groups += \
    $(foreach f,$(LOCAL_JAVA_RESOURCE_FILES), \
	$(patsubst %/,%,$(dir $(f)))::$(notdir $(f)) \
     )
endif # LOCAL_JAVA_RESOURCE_FILES

ifdef java_resource_file_groups
  # The full paths to all resources, used for dependencies.
  java_resource_sources := \
    $(foreach group,$(java_resource_file_groups), \
	$(addprefix $(word 1,$(subst :,$(space),$(group)))/, \
	    $(wordlist 2,9999,$(subst :,$(space),$(group))) \
	) \
    )
  # The arguments to jar that will include these files in a jar file.
  extra_jar_args := \
    $(foreach group,$(java_resource_file_groups), \
	$(addprefix -C $(word 1,$(subst :,$(space),$(group))) , \
	    $(wordlist 2,9999,$(subst :,$(space),$(group))) \
	) \
    )
  java_resource_file_groups :=
else
  java_resource_sources :=
  extra_jar_args :=
endif # java_resource_file_groups

## PRIVATE java vars ######################################

ifneq ($(strip $(all_java_sources)$(all_res_assets)),)

full_static_java_libs := \
    $(foreach lib,$(LOCAL_STATIC_JAVA_LIBRARIES), \
      $(call intermediates-dir-for, \
        JAVA_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE))/javalib.jar)

$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_INSTALL_DIR := $(dir $(LOCAL_INSTALLED_MODULE))
$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_INTERMEDIATES_DIR := $(intermediates)
$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CLASS_INTERMEDIATES_DIR := $(intermediates)/classes
$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_SOURCE_INTERMEDIATES_DIR := $(intermediates)/src
$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JAVA_SOURCES := $(all_java_sources)
$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JAVA_OBJECTS := $(patsubst %.java,%.class,$(LOCAL_SRC_FILES))
ifeq ($(my_prefix),TARGET_)
$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH := -bootclasspath $(call java-lib-files,core)
endif
$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_RESOURCE_DIR := $(LOCAL_RESOURCE_DIR)
$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_EXTRA_JAR_ARGS := $(extra_jar_args)
$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ASSET_DIR := $(LOCAL_ASSET_DIR)
$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_STATIC_JAVA_LIBRARIES := $(full_static_java_libs)

# full_java_libs: The list of files that should be used as the classpath.
#                 Using this list as a dependency list WILL NOT WORK.
# full_java_lib_deps: Should be specified as a prerequisite of this module
#                 to guarantee that the files in full_java_libs will
#                 be up-to-date.
ifdef LOCAL_IS_HOST_MODULE
# TODO: make prebuilt java libraries use the same
#       intermediates path pattern as target java libraries.
full_java_libs := $(addprefix $(HOST_OUT_JAVA_LIBRARIES)/,$(addsuffix $(COMMON_JAVA_PACKAGE_SUFFIX),$(LOCAL_JAVA_LIBRARIES)))
full_java_lib_deps := $(full_java_libs)
else
full_java_libs := $(call java-lib-files,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
full_java_lib_deps := $(call java-lib-deps,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
endif
full_java_libs += $(full_static_java_libs) $(LOCAL_CLASSPATH)
full_java_lib_deps += $(full_static_java_libs) $(LOCAL_CLASSPATH)

# This is set by packages that contain instrumentation, allowing them to
# link against the package they are instrumenting.  Currently only one such
# package is allowed.
LOCAL_INSTRUMENTATION_FOR := $(strip $(LOCAL_INSTRUMENTATION_FOR))
ifdef LOCAL_INSTRUMENTATION_FOR
  ifneq ($(words $(LOCAL_INSTRUMENTATION_FOR)),1)
    $(error \
        $(LOCAL_PATH): Multiple LOCAL_INSTRUMENTATION_FOR members defined)
  endif

  link_instr_intermediates_dir := $(call intermediates-dir-for, \
      APPS,$(LOCAL_INSTRUMENTATION_FOR))
  link_instr_intermediates_dir.COMMON := $(call intermediates-dir-for, \
      APPS,$(LOCAL_INSTRUMENTATION_FOR),,COMMON)

  full_java_libs += $(link_instr_intermediates_dir.COMMON)/classes.jar

  # We can't depend on the .jar file, so we depend on something that
  # depends on the jar file; the final built package file.
  full_java_lib_deps += $(link_instr_intermediates_dir)/package.apk
endif

ifneq ($(strip $(LOCAL_JAR_MANIFEST)),)
$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JAR_MANIFEST := $(LOCAL_PATH)/$(LOCAL_JAR_MANIFEST)
else
$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JAR_MANIFEST :=
endif

endif


###########################################################
## make clean- targets
###########################################################
cleantarget := clean-$(LOCAL_MODULE)
$(cleantarget) : PRIVATE_MODULE := $(LOCAL_MODULE)
$(cleantarget) : PRIVATE_CLEAN_FILES := \
		$(PRIVATE_CLEAN_FILES) \
		$(LOCAL_BUILT_MODULE) \
		$(LOCAL_INSTALLED_MODULE) \
		$(intermediates)
$(cleantarget)::
	@echo "Clean: $(PRIVATE_MODULE)"
	$(hide) rm -rf $(PRIVATE_CLEAN_FILES)

###########################################################
## Common definitions for module.
###########################################################

# Propagate local configuration options to this target.
$(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_PATH:=$(LOCAL_PATH)
$(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_POST_PROCESS_COMMAND:= $(LOCAL_POST_PROCESS_COMMAND)
$(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_AAPT_FLAGS:= $(LOCAL_AAPT_FLAGS)
$(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_JAVA_LIBRARIES:= $(LOCAL_JAVA_LIBRARIES)
#TODO: add this: $(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_ADDITIONAL_DEPENDENCIES:= $(LOCAL_ADDITIONAL_DEPENDENCIES)

$(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_ALL_JAVA_LIBRARIES:= $(full_java_libs)
$(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_IS_HOST_MODULE := $(LOCAL_IS_HOST_MODULE)
$(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_HOST:= $(my_host)

# Tell the module and all of its sub-modules who it is.
$(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_MODULE:= $(LOCAL_MODULE)

# Provide a short-hand for building this module.
# We name both BUILT and INSTALLED in case
# LOCAL_UNINSTALLABLE_MODULE is set.
.PHONY: $(LOCAL_MODULE)
$(LOCAL_MODULE): $(LOCAL_BUILT_MODULE) $(LOCAL_INSTALLED_MODULE)

###########################################################
## Module installation rule
###########################################################

# Some hosts do not have ACP; override the LOCAL version if that's the case.
ifneq ($(strip $(HOST_ACP_UNAVAILABLE)),)
  LOCAL_ACP_UNAVAILABLE := $(strip $(HOST_ACP_UNAVAILABLE))
endif

ifndef LOCAL_UNINSTALLABLE_MODULE
  # Define a copy rule to install the module.
  # acp and libraries that it uses can't use acp for
  # installation;  hence, LOCAL_ACP_UNAVAILABLE.
ifneq ($(LOCAL_ACP_UNAVAILABLE),true)
$(LOCAL_INSTALLED_MODULE): $(LOCAL_BUILT_MODULE) | $(ACP)
	@echo "Install: $@"
	$(copy-file-to-target)
else
$(LOCAL_INSTALLED_MODULE): $(LOCAL_BUILT_MODULE)
	@echo "Install: $@"
	$(copy-file-to-target-with-cp)
endif

endif # !LOCAL_UNINSTALLABLE_MODULE

###########################################################
## Register with ALL_MODULES
###########################################################

ALL_MODULES += $(LOCAL_MODULE)

# Don't use += on subvars, or else they'll end up being
# recursively expanded.
ALL_MODULES.$(LOCAL_MODULE).PATH := \
    $(ALL_MODULES.$(LOCAL_MODULE).PATH) $(LOCAL_PATH)
ALL_MODULES.$(LOCAL_MODULE).TAGS := \
    $(ALL_MODULES.$(LOCAL_MODULE).TAGS) $(LOCAL_MODULE_TAGS)
ALL_MODULES.$(LOCAL_MODULE).BUILT := \
    $(ALL_MODULES.$(LOCAL_MODULE).BUILT) $(LOCAL_BUILT_MODULE)
ALL_MODULES.$(LOCAL_MODULE).INSTALLED := \
    $(ALL_MODULES.$(LOCAL_MODULE).INSTALLED) $(LOCAL_INSTALLED_MODULE)
ALL_MODULES.$(LOCAL_MODULE).REQUIRED := \
    $(ALL_MODULES.$(LOCAL_MODULE).REQUIRED) $(LOCAL_REQUIRED_MODULES)

###########################################################
## Take care of LOCAL_MODULE_TAGS
###########################################################

# Keep track of all the tags we've seen.
ALL_MODULE_TAGS := $(sort $(ALL_MODULE_TAGS) $(LOCAL_MODULE_TAGS))

# Add this module to the tag list of each specified tag.
# Don't use "+=". If the variable hasn't been set with ":=",
# it will default to recursive expansion.
$(foreach tag,$(LOCAL_MODULE_TAGS),\
    $(eval ALL_MODULE_TAGS.$(tag) := \
	    $(ALL_MODULE_TAGS.$(tag)) \
	    $(LOCAL_INSTALLED_MODULE)))

# Add this module name to the tag list of each specified tag.
$(foreach tag,$(LOCAL_MODULE_TAGS),\
    $(eval ALL_MODULE_NAME_TAGS.$(tag) += $(LOCAL_MODULE)))

# Always build everything, but only install a subset.
ALL_BUILT_MODULES += $(LOCAL_BUILT_MODULE)

###########################################################
## NOTICE files
###########################################################

include $(BUILD_SYSTEM)/notice_files.mk

#:vi noexpandtab