cb96cddc77
Ensures that no stale/obsolete shared libraries are left in the application's project path before the build. Also fix a minor typo that made the ABI selection process not work properly in certain cases.
307 lines
10 KiB
Makefile
307 lines
10 KiB
Makefile
# Copyright (C) 2009 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# ====================================================================
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#
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# Define the main configuration variables, and read the host-specific
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# configuration file that is normally generated by build/host-setup.sh
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#
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# ====================================================================
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# The location of the build system files
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BUILD_SYSTEM := $(strip $(dir $(lastword $(MAKEFILE_LIST))))
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BUILD_SYSTEM := $(BUILD_SYSTEM:%/=%)
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# Include common definitions
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include build/core/definitions.mk
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# Where all generated files will be stored during a build
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NDK_OUT := out
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# Read the host-specific configuration file in $(NDK_OUT)
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#
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HOST_CONFIG_MAKE := $(NDK_OUT)/host/config.mk
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ifeq ($(strip $(wildcard $(HOST_CONFIG_MAKE))),)
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$(call __ndk_info,\
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The configuration file '$(HOST_CONFIG_MAKE)' doesnt' exist.)
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$(call __ndk_info,\
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Please run 'build/host-setup.sh' to generate it.)
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$(call __ndk_error, Aborting)
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endif
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include $(HOST_CONFIG_MAKE)
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HOST_PREBUILT_TAG := $(HOST_TAG)
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# Location where all prebuilt binaries for a given host architectures
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# will be stored.
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HOST_PREBUILT := build/prebuilt/$(HOST_TAG)
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# Where all app-specific generated files will be stored
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NDK_APP_OUT := $(NDK_OUT)/apps
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# Where all host-specific generated files will be stored
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NDK_HOST_OUT := $(NDK_OUT)/host/$(HOST_TAG)
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# ====================================================================
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#
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# Read all toolchain-specific configuration files.
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#
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# Each toolchain must have a corresponding config.mk file located
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# in build/toolchains/<name>/ that will be included here.
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#
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# Each one of these files should define the following variables:
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# TOOLCHAIN_NAME toolchain name (e.g. arm-eabi-4.2.1)
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# TOOLCHAIN_ABIS list of target ABIs supported by the toolchain.
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#
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# Then, it should include $(ADD_TOOLCHAIN) which will perform
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# book-keeping for the build system.
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#
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# ====================================================================
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# the build script to include in each toolchain config.mk
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ADD_TOOLCHAIN := $(BUILD_SYSTEM)/add-toolchain.mk
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# the list of all toolchains in this NDK
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NDK_ALL_TOOLCHAINS :=
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NDK_ALL_ABIS :=
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TOOLCHAIN_CONFIGS := $(wildcard build/toolchains/*/config.mk)
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$(foreach _config_mk,$(TOOLCHAIN_CONFIGS),\
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$(eval include $(BUILD_SYSTEM)/add-toolchain.mk)\
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)
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NDK_ALL_TOOLCHAINS := $(call uniq,$(NDK_ALL_TOOLCHAINS))
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NDK_ALL_ABIS := $(call uniq,$(NDK_ALL_ABIS))
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# The default toolchain is now arm-eabi-4.4.0, however its
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# C++ compiler is a tad bit more pedantic with certain
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# constructs (e.g. templates) so allow users to switch back
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# to the old 4.2.1 instead if they really want to.
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#
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# NOTE: you won't get armeabi-v7a support though !
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#
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NDK_TOOLCHAIN := $(strip $(NDK_TOOLCHAIN))
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ifndef NDK_TOOLCHAIN
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NDK_TARGET_TOOLCHAIN := arm-eabi-4.4.0
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$(call ndk_log, Default toolchain is $(NDK_TARGET_TOOLCHAIN))
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else
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# check that the toolchain name is supported
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$(if $(filter-out $(NDK_ALL_TOOLCHAINS),$(NDK_TOOLCHAIN)),\
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$(call __ndk_info,NDK_TOOLCHAIN is defined to the unsupported value $(NDK_TOOLCHAIN)) \
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$(call __ndk_info,Please use one of the following values: $(NDK_ALL_TOOLCHAINS))\
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$(call __ndk_error,Aborting)\
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,)
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NDK_TARGET_TOOLCHAIN=$(NDK_TOOLCHAIN)
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$(call ndk_log, Using specific toolchain $(NDK_TARGET_TOOLCHAIN))
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endif
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$(call ndk_log, This NDK supports the following toolchains and target ABIs:)
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$(foreach tc,$(NDK_ALL_TOOLCHAINS),\
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$(call ndk_log, $(space)$(space)$(tc): $(NDK_TOOLCHAIN.$(tc).abis))\
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)
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# ====================================================================
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#
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# Read all platform-specific configuration files.
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#
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# Each platform must be located in build/platforms/android-<apilevel>
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# where <apilevel> corresponds to an API level number, with:
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# 3 -> Android 1.5
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# 4 -> next platform release
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#
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# ====================================================================
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NDK_PLATFORMS_ROOT := $(BUILD_SYSTEM)/../platforms
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NDK_ALL_PLATFORMS := $(strip $(notdir $(wildcard $(NDK_PLATFORMS_ROOT)/android-*)))
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$(call ndk_log,Found supported platforms: $(NDK_ALL_PLATFORMS))
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$(foreach _platform,$(NDK_ALL_PLATFORMS),\
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$(eval include $(BUILD_SYSTEM)/add-platform.mk)\
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)
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# we're going to find the maximum platform number of the form android-<number>
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# ignore others, which could correspond to special and experimental cases
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NDK_ALL_PLATFORM_LEVELS := $(filter android-%,$(NDK_ALL_PLATFORMS))
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NDK_ALL_PLATFORM_LEVELS := $(patsubst android-%,%,$(NDK_ALL_PLATFORM_LEVELS))
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$(call ndk_log,Found stable platform levels: $(NDK_ALL_PLATFORM_LEVELS))
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NDK_MAX_PLATFORM_LEVEL := 3
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$(foreach level,$(NDK_ALL_PLATFORM_LEVELS),\
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$(eval NDK_MAX_PLATFORM_LEVEL := $$(call max,$$(NDK_MAX_PLATFORM_LEVEL),$$(level)))\
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)
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$(call ndk_log,Found max platform level: $(NDK_MAX_PLATFORM_LEVEL))
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# ====================================================================
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#
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# Read all application configuration files
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#
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# Each 'application' must have a corresponding Application.mk file
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# located in apps/<name> where <name> is a liberal name that doesn't
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# contain any space in it, used to uniquely identify the
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#
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# See docs/ANDROID-MK.TXT for their specification.
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#
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# ====================================================================
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NDK_ALL_APPS :=
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NDK_APPLICATIONS := $(wildcard apps/*/Application.mk)
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$(foreach _application_mk, $(NDK_APPLICATIONS),\
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$(eval include $(BUILD_SYSTEM)/add-application.mk)\
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)
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# clean up environment, just to be safe
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$(call clear-vars, $(NDK_APP_VARS))
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ifeq ($(strip $(NDK_ALL_APPS)),)
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$(call __ndk_info,\
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The NDK could not find a proper application description under apps/*/Application.mk)
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$(call __ndk_info,\
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Please follow the instructions in docs/NDK-APPS.TXT to write one.)
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$(call __ndk_error, Aborting)
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endif
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ifeq ($(strip $(APP)),)
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$(call __ndk_info,\
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The APP variable is undefined or empty.)
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$(call __ndk_info,\
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Please define it to one of: $(NDK_ALL_APPS))
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$(call __ndk_info,\
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You can also add new applications by writing an Application.mk file.)
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$(call __ndk_info,\
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See docs/APPLICATION-MK.TXT for details.)
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$(call __ndk_error, Aborting)
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endif
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# now check that APP doesn't contain an unknown app name
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# if it does, we ignore them if there is at least one known
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# app name in the list. Otherwise, abort with an error message
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#
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_unknown_apps := $(filter-out $(NDK_ALL_APPS),$(APP))
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_known_apps := $(filter $(NDK_ALL_APPS),$(APP))
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NDK_APPS := $(APP)
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$(if $(_unknown_apps),\
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$(if $(_known_apps),\
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$(call __ndk_info,WARNING:\
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Removing unknown names from APP variable: $(_unknown_apps))\
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$(eval NDK_APPS := $(_known_apps))\
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,\
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$(call __ndk_info,\
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The APP variable contains unknown app names: $(_unknown_apps))\
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$(call __ndk_info,\
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Please use one of: $(NDK_ALL_APPS))\
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$(call __ndk_error, Aborting)\
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)\
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)
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$(call __ndk_info,Building for application '$(NDK_APPS)')
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# ====================================================================
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#
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# Prepare the build for parsing Android.mk files
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#
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# ====================================================================
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# These phony targets are used to control various stages of the build
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.PHONY: all \
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host_libraries host_executables \
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installed_modules \
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executables libraries static_libraries shared_libraries \
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clean clean-config clean-objs-dir \
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clean-executables clean-libraries \
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clean-installed-modules \
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clean-installed-binaries
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# These macros are used in Android.mk to include the corresponding
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# build script that will parse the LOCAL_XXX variable definitions.
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#
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CLEAR_VARS := $(BUILD_SYSTEM)/clear-vars.mk
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BUILD_HOST_EXECUTABLE := $(BUILD_SYSTEM)/build-host-executable.mk
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BUILD_HOST_STATIC_LIBRARY := $(BUILD_SYSTEM)/build-host-static-library.mk
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BUILD_STATIC_LIBRARY := $(BUILD_SYSTEM)/build-static-library.mk
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BUILD_SHARED_LIBRARY := $(BUILD_SYSTEM)/build-shared-library.mk
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BUILD_EXECUTABLE := $(BUILD_SYSTEM)/build-executable.mk
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ANDROID_MK_INCLUDED := \
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$(CLEAR_VARS) \
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$(BUILD_HOST_EXECUTABLE) \
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$(BUILD_HOST_STATIC_LIBRARY) \
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$(BUILD_STATIC_LIBRARY) \
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$(BUILD_SHARED_LIBRARY) \
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$(BUILD_EXECUTABLE) \
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# this is the list of directories containing dependency information
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# generated during the build. It will be updated by build scripts
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# when module definitions are parsed.
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#
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ALL_DEPENDENCY_DIRS :=
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# this is the list of all generated files that we would need to clean
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ALL_HOST_EXECUTABLES :=
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ALL_HOST_STATIC_LIBRARIES :=
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ALL_STATIC_LIBRARIES :=
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ALL_SHARED_LIBRARIES :=
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ALL_EXECUTABLES :=
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ALL_INSTALLED_MODULES :=
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# the first rule
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all: installed_modules host_libraries host_executables
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$(foreach _app,$(NDK_APPS),\
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$(eval include $(BUILD_SYSTEM)/setup-app.mk)\
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)
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# ====================================================================
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#
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# Now finish the build preparation with a few rules that depend on
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# what has been effectively parsed and recorded previously
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#
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# ====================================================================
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clean: clean-intermediates clean-installed-modules
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distclean: clean clean-config
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installed_modules: libraries $(ALL_INSTALLED_MODULES)
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host_libraries: $(HOST_STATIC_LIBRARIES)
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host_executables: $(HOST_EXECUTABLES)
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static_libraries: $(STATIC_LIBRARIES)
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shared_libraries: $(SHARED_LIBRARIES)
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executables: $(EXECUTABLES)
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libraries: static_libraries shared_libraries
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clean-host-intermediates:
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$(hide) rm -rf $(HOST_EXECUTABLES) $(HOST_STATIC_LIBRARIES)
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clean-intermediates: clean-host-intermediates
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$(hide) rm -rf $(EXECUTABLES) $(STATIC_LIBRARIES) $(SHARED_LIBRARIES)
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clean-installed-modules:
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$(hide) rm -rf $(ALL_INSTALLED_MODULES)
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clean-config:
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$(hide) rm -f $(CONFIG_MAKE) $(CONFIG_H)
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# include dependency information
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ALL_DEPENDENCY_DIRS := $(sort $(ALL_DEPENDENCY_DIRS))
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-include $(wildcard $(ALL_DEPENDENCY_DIRS:%=%/*.d))
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