b48ab64028
E.g. if an application's default.properties targets android-10 then the build system will default it to the highest supported API level found in build/platforms (e.g. android-4 currently).
122 lines
4.5 KiB
Makefile
122 lines
4.5 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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# this script is used to record an application definition in the
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# NDK build system, before performing any build whatsoever.
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#
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# It is included repeatedly from build/core/main.mk and expects a
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# variable named '_application_mk' which points to a given Application.mk
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# file that will be included here. The latter must define a few variables
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# to describe the application to the build system, and the rest of the
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# code here will perform book-keeping and basic checks
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#
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$(call assert-defined, _application_mk)
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$(call ndk_log,Parsing $(_application_mk))
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$(call clear-vars, $(NDK_APP_VARS))
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include $(_application_mk)
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$(call check-required-vars,$(NDK_APP_VARS_REQUIRED),$(_application_mk))
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_dir := $(patsubst %/,%,$(dir $(_application_mk)))
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_name := $(notdir $(_dir))
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_map := NDK_APP.$(_name)
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# strip the 'lib' prefix in front of APP_MODULES modules
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APP_MODULES := $(call strip-lib-prefix,$(APP_MODULES))
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# check that APP_OPTIM, if defined, is either 'release' or 'debug'
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APP_OPTIM := $(strip $(APP_OPTIM))
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$(if $(filter-out release debug,$(APP_OPTIM)),\
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$(call __ndk_info, The APP_OPTIM defined in $(_application_mk) must only be 'release' or 'debug')\
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$(call __ndk_error,Aborting)\
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)
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ifndef APP_OPTIM
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$(call ndk_log, Defaulted to APP_OPTIM=release)
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APP_OPTIM := release
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endif
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# check whether APP_PLATFORM is defined. If not, look for default.properties in
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# the $(APP_PROJECT_PATH) and extract the value with awk's help. If nothing is here,
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# revert to the default value (i.e. "android-3").
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#
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# NOTE: APP_PLATFORM is an experimental feature for now.
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#
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APP_PLATFORM := $(strip $(APP_PLATFORM))
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ifndef APP_PLATFORM
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_local_props := $(strip $(wildcard $(APP_PROJECT_PATH)/default.properties))
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ifdef _local_props
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APP_PLATFORM := $(strip $(shell $(HOST_AWK) -f $(BUILD_SYSTEM)/extract-platform.awk < $(_local_props)))
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$(call ndk_log, Found APP_PLATFORM=$(APP_PLATFORM) in $(_local_props))
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else
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APP_PLATFORM := android-3
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$(call ndk_log, Defaulted to APP_PLATFORM=$(APP_PLATFORM))
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endif
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endif
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# Check that the value of APP_PLATFORM corresponds to a known platform
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# If not, we're going to use the max supported platform value.
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#
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_bad_platform := $(strip $(filter-out $(NDK_ALL_PLATFORMS),$(APP_PLATFORM)))
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ifdef _bad_platform
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$(call __ndk_info,Application $(_name) targets unknown platform '$(_bad_platform)')
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APP_PLATFORM := android-$(NDK_MAX_PLATFORM_LEVEL)
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$(call __ndk_info,Switching to $(APP_PLATFORM))
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endif
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# If APP_BUILD_SCRIPT is defined, check that the file exists.
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# If undefined, look in $(APP_PROJECT_PATH)/jni/Android.mk
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#
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APP_BUILD_SCRIPT := $(strip $(APP_BUILD_SCRIPT))
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ifdef APP_BUILD_SCRIPT
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_build_script := $(strip $(wildcard $(APP_BUILD_SCRIPT)))
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ifndef _build_script
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$(call __ndk_info,Your APP_BUILD_SCRIPT points to an unknown file: $(APP_BUILD_SCRIPT))
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$(call __ndk_error,Aborting...)
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endif
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APP_BUILD_SCRIPT := $(_build_script)
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$(call ndk_log, Using build script $(APP_BUILD_SCRIPT))
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else
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_build_script := $(strip $(wildcard $(APP_PROJECT_PATH)/jni/Android.mk))
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ifndef _build_script
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$(call __ndk_info,There is no Android.mk under $(APP_PROJECT_PATH)/jni)
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$(call __ndk_info,If this is intentional, please define APP_BUILD_SCRIPT to point)
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$(call __ndk_info,to a valid NDK build script.)
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$(call __ndk_error,Aborting...)
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endif
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APP_BUILD_SCRIPT := $(_build_script)
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$(call ndk_log, Defaulted to APP_BUILD_SCRIPT=$(APP_BUILD_SCRIPT))
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endif
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$(if $(call get,$(_map),defined),\
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$(call __ndk_info,Weird, the application $(_name) is already defined by $(call get,$(_map),defined))\
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$(call __ndk_error,Aborting)\
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)
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$(call set,$(_map),defined,$(_application_mk))
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# Record all app-specific variable definitions
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$(foreach __name,$(NDK_APP_VARS),\
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$(call set,$(_map),$(__name),$($(__name)))\
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)
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# Record the Application.mk for debugging
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$(call set,$(_map),Application.mk,$(_application_mk))
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NDK_ALL_APPS += $(_name)
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