add-application.mk revision 05be040fdd9fa9d23259d6b6a4aaf4f2aca9c9f2
1# Copyright (C) 2009 The Android Open Source Project 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14# 15 16# this script is used to record an application definition in the 17# NDK build system, before performing any build whatsoever. 18# 19# It is included repeatedly from build/core/main.mk and expects a 20# variable named '_application_mk' which points to a given Application.mk 21# file that will be included here. The latter must define a few variables 22# to describe the application to the build system, and the rest of the 23# code here will perform book-keeping and basic checks 24# 25 26$(call assert-defined, _application_mk _app) 27$(call ndk_log,Parsing $(_application_mk)) 28 29$(call clear-vars, $(NDK_APP_VARS)) 30 31# Check that NDK_DEBUG is properly defined. If it is 32# the only valid states are: undefined, 0, 1, false and true 33# 34# We set APP_DEBUG to <undefined>, 'true' or 'false'. 35# 36APP_DEBUG := $(strip $(NDK_DEBUG)) 37ifeq ($(APP_DEBUG),0) 38 APP_DEBUG:= false 39endif 40ifeq ($(APP_DEBUG),1) 41 APP_DEBUG := true 42endif 43ifdef APP_DEBUG 44 ifneq (,$(filter-out true false,$(APP_DEBUG))) 45 $(call __ndk_warning,NDK_DEBUG is defined to the unsupported value '$(NDK_DEBUG)', will be ignored!) 46 endif 47endif 48 49include $(_application_mk) 50 51$(call check-required-vars,$(NDK_APP_VARS_REQUIRED),$(_application_mk)) 52 53_map := NDK_APP.$(_app) 54 55# strip the 'lib' prefix in front of APP_MODULES modules 56APP_MODULES := $(call strip-lib-prefix,$(APP_MODULES)) 57 58APP_PROJECT_PATH := $(strip $(APP_PROJECT_PATH)) 59ifndef APP_PROJECT_PATH 60 APP_PROJECT_PATH := $(NDK_PROJECT_PATH) 61endif 62 63# check whether APP_PLATFORM is defined. If not, look for default.properties in 64# the $(APP_PROJECT_PATH) and extract the value with awk's help. If nothing is here, 65# revert to the default value (i.e. "android-3"). 66# 67# NOTE: APP_PLATFORM is an experimental feature for now. 68# 69APP_PLATFORM := $(strip $(APP_PLATFORM)) 70ifndef APP_PLATFORM 71 _local_props := $(strip $(wildcard $(APP_PROJECT_PATH)/default.properties)) 72 ifdef _local_props 73 APP_PLATFORM := $(strip $(shell $(HOST_AWK) -f $(BUILD_AWK)/extract-platform.awk < $(_local_props))) 74 $(call ndk_log, Found APP_PLATFORM=$(APP_PLATFORM) in $(_local_props)) 75 else 76 APP_PLATFORM := android-3 77 $(call ndk_log, Defaulted to APP_PLATFORM=$(APP_PLATFORM)) 78 endif 79endif 80 81# SPECIAL CASE: android-6 and android-7 are the same thing than android-5 82# with regards to the NDK. Adjust accordingly! 83ifneq (,$(filter android-6 android-7,$(APP_PLATFORM))) 84 APP_PLATFORM := android-5 85 $(call ndk_log, Adjusting APP_PLATFORM to $(APP_PLATFORM)) 86endif 87 88# Check that the value of APP_PLATFORM corresponds to a known platform 89# If not, we're going to use the max supported platform value. 90# 91_bad_platform := $(strip $(filter-out $(NDK_ALL_PLATFORMS),$(APP_PLATFORM))) 92ifdef _bad_platform 93 $(call ndk_log,Application $(_app) targets unknown platform '$(_bad_platform)') 94 APP_PLATFORM := android-$(NDK_MAX_PLATFORM_LEVEL) 95 $(call ndk_log,Switching to $(APP_PLATFORM)) 96endif 97 98# Check that the value of APP_ABI corresponds to known ABIs 99# 100_bad_abis := $(strip $(filter-out $(NDK_ALL_ABIS),$(APP_ABI))) 101ifdef _bad_abis 102 $(call __ndk_info,Application $(_app) targets unknown ABI '$(_bad_abis)') 103 $(call __ndk_info,Please fix the APP_ABI definition in $(_application_mk)) 104 $(call __ndk_info,to use a set of the following values: $(NDK_ALL_ABIS)) 105 $(call __ndk_error,Aborting) 106endif 107 108# If APP_BUILD_SCRIPT is defined, check that the file exists. 109# If undefined, look in $(APP_PROJECT_PATH)/jni/Android.mk 110# 111APP_BUILD_SCRIPT := $(strip $(APP_BUILD_SCRIPT)) 112ifdef APP_BUILD_SCRIPT 113 _build_script := $(strip $(wildcard $(APP_BUILD_SCRIPT))) 114 ifndef _build_script 115 $(call __ndk_info,Your APP_BUILD_SCRIPT points to an unknown file: $(APP_BUILD_SCRIPT)) 116 $(call __ndk_error,Aborting...) 117 endif 118 APP_BUILD_SCRIPT := $(_build_script) 119 $(call ndk_log, Using build script $(APP_BUILD_SCRIPT)) 120else 121 _build_script := $(strip $(wildcard $(APP_PROJECT_PATH)/jni/Android.mk)) 122 ifndef _build_script 123 $(call __ndk_info,There is no Android.mk under $(APP_PROJECT_PATH)/jni) 124 $(call __ndk_info,If this is intentional, please define APP_BUILD_SCRIPT to point) 125 $(call __ndk_info,to a valid NDK build script.) 126 $(call __ndk_error,Aborting...) 127 endif 128 APP_BUILD_SCRIPT := $(_build_script) 129 $(call ndk_log, Defaulted to APP_BUILD_SCRIPT=$(APP_BUILD_SCRIPT)) 130endif 131 132# Determine whether the application should be debuggable. 133# - If APP_DEBUG is set to 'true', then it always should. 134# - If APP_DEBUG is set to 'false', then it never should 135# - Otherwise, extract the android:debuggable attribute from the manifest. 136# 137ifdef APP_DEBUG 138 APP_DEBUGGABLE := $(APP_DEBUG) 139 ifdef NDK_LOG 140 ifeq ($(APP_DEBUG),true) 141 $(call ndk_log,Application '$(_app)' forced debuggable through NDK_DEBUG) 142 else 143 $(call ndk_log,Application '$(_app)' forced *not* debuggable through NDK_DEBUG) 144 endif 145 endif 146else 147 # NOTE: To make unit-testing simpler, handle the case where there is no manifest. 148 APP_DEBUGGABLE := false 149 APP_MANIFEST := $(strip $(wildcard $(APP_PROJECT_PATH)/AndroidManifest.xml)) 150 ifdef APP_MANIFEST 151 APP_DEBUGGABLE := $(shell $(HOST_AWK) -f $(BUILD_AWK)/extract-debuggable.awk $(APP_MANIFEST)) 152 endif 153 ifdef NDK_LOG 154 ifeq ($(APP_DEBUGGABLE),true) 155 $(call ndk_log,Application '$(_app)' *is* debuggable) 156 else 157 $(call ndk_log,Application '$(_app)' is not debuggable) 158 endif 159 endif 160endif 161 162# LOCAL_BUILD_MODE will be either release or debug 163# 164# If APP_OPTIM is defined in the Application.mk, just use this. 165# 166# Otherwise, set to 'debug' if android:debuggable is set to TRUE, 167# and to 'release' if not. 168# 169ifneq ($(APP_OPTIM),) 170 # check that APP_OPTIM, if defined, is either 'release' or 'debug' 171 $(if $(filter-out release debug,$(APP_OPTIM)),\ 172 $(call __ndk_info, The APP_OPTIM defined in $(_application_mk) must only be 'release' or 'debug')\ 173 $(call __ndk_error,Aborting)\ 174 ) 175 $(call ndk_log,Selecting optimization mode through Application.mk: $(APP_OPTIM)) 176else 177 ifeq ($(APP_DEBUGGABLE),true) 178 $(call ndk_log,Selecting debug optimization mode (app is debuggable)) 179 APP_OPTIM := debug 180 else 181 $(call ndk_log,Selecting release optimization mode (app is not debuggable)) 182 APP_OPTIM := release 183 endif 184endif 185 186# set release/debug build flags. We always use the -g flag because 187# we generate symbol versions of the binaries that are later stripped 188# when they are copied to the final project's libs/<abi> directory. 189# 190ifeq ($(APP_OPTIM),debug) 191 APP_CFLAGS := -O0 -g $(APP_CFLAGS) 192else 193 APP_CFLAGS := -O2 -DNDEBUG -g $(APP_CFLAGS) 194endif 195 196# Check that APP_STL is defined. If not, use the default value (system) 197# otherwise, check that the name is correct. 198APP_STL := $(strip $(APP_STL)) 199ifndef APP_STL 200 APP_STL := system 201else 202 $(call ndk-stl-check,$(APP_STL)) 203endif 204 205 206 207$(if $(call get,$(_map),defined),\ 208 $(call __ndk_info,Weird, the application $(_app) is already defined by $(call get,$(_map),defined))\ 209 $(call __ndk_error,Aborting)\ 210) 211 212$(call set,$(_map),defined,$(_application_mk)) 213 214# Record all app-specific variable definitions 215$(foreach __name,$(NDK_APP_VARS),\ 216 $(call set,$(_map),$(__name),$($(__name)))\ 217) 218 219# Record the Application.mk for debugging 220$(call set,$(_map),Application.mk,$(_application_mk)) 221 222NDK_ALL_APPS += $(_app) 223