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 # 36 APP_DEBUG := $(strip $(NDK_DEBUG)) 37 ifeq ($(APP_DEBUG),0) 38 APP_DEBUG:= false 39 endif 40 ifeq ($(APP_DEBUG),1) 41 APP_DEBUG := true 42 endif 43 ifdef APP_DEBUG 44 ifneq (,$(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 47 endif 48 49 include $(_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 56 APP_MODULES := $(call strip-lib-prefix,$(APP_MODULES)) 57 58 APP_PROJECT_PATH := $(strip $(APP_PROJECT_PATH)) 59 ifndef APP_PROJECT_PATH 60 APP_PROJECT_PATH := $(NDK_PROJECT_PATH) 61 endif 62 63 # check whether APP_PLATFORM is defined. If not, look for project.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 APP_PLATFORM := $(strip $(APP_PLATFORM)) 68 ifndef APP_PLATFORM 69 _local_props := $(strip $(wildcard $(APP_PROJECT_PATH)/project.properties)) 70 ifndef _local_props 71 # NOTE: project.properties was called default.properties before 72 _local_props := $(strip $(wildcard $(APP_PROJECT_PATH)/default.properties)) 73 endif 74 ifdef _local_props 75 APP_PLATFORM := $(strip $(shell $(HOST_AWK) -f $(BUILD_AWK)/extract-platform.awk $(_local_props))) 76 $(call ndk_log, Found APP_PLATFORM=$(APP_PLATFORM) in $(_local_props)) 77 else 78 APP_PLATFORM := android-3 79 $(call ndk_log, Defaulted to APP_PLATFORM=$(APP_PLATFORM)) 80 endif 81 endif 82 83 # SPECIAL CASE: android-6 and android-7 are the same thing than android-5 84 # with regards to the NDK. Adjust accordingly! 85 ifneq (,$(filter android-6 android-7,$(APP_PLATFORM))) 86 APP_PLATFORM := android-5 87 $(call ndk_log, Adjusting APP_PLATFORM to $(APP_PLATFORM)) 88 endif 89 90 # Check that the value of APP_PLATFORM corresponds to a known platform 91 # If not, we're going to use the max supported platform value. 92 # 93 _bad_platform := $(strip $(filter-out $(NDK_ALL_PLATFORMS),$(APP_PLATFORM))) 94 ifdef _bad_platform 95 $(call ndk_log,Application $(_app) targets unknown platform '$(_bad_platform)') 96 APP_PLATFORM := android-$(NDK_MAX_PLATFORM_LEVEL) 97 $(call ndk_log,Switching to $(APP_PLATFORM)) 98 endif 99 100 # Check that the value of APP_ABI corresponds to known ABIs 101 # 'all' is a special case that means 'all supported ABIs' 102 # 103 # It will be handled in setup-app.mk. We can't hope to change 104 # the value of APP_ABI is the user enforces it on the command-line 105 # with a call like: ndk-build APP_ABI=all 106 # 107 # Because GNU Make makes the APP_ABI variable read-only (any assignments 108 # to it will be ignored) 109 # 110 APP_ABI := $(strip $(APP_ABI)) 111 ifndef APP_ABI 112 # Default ABI is 'armeabi' 113 APP_ABI := armeabi 114 endif 115 ifneq ($(APP_ABI),all) 116 _bad_abis := $(strip $(filter-out $(NDK_ALL_ABIS),$(APP_ABIS))) 117 ifdef _bad_abis 118 $(call __ndk_info,Application $(_app) targets unknown ABI '$(_bad_abis)') 119 $(call __ndk_info,Please fix the APP_ABI definition in $(_application_mk)) 120 $(call __ndk_info,to use a set of the following values: $(NDK_ALL_ABIS)) 121 $(call __ndk_error,Aborting) 122 endif 123 endif 124 125 # If APP_BUILD_SCRIPT is defined, check that the file exists. 126 # If undefined, look in $(APP_PROJECT_PATH)/jni/Android.mk 127 # 128 APP_BUILD_SCRIPT := $(strip $(APP_BUILD_SCRIPT)) 129 ifdef APP_BUILD_SCRIPT 130 _build_script := $(strip $(wildcard $(APP_BUILD_SCRIPT))) 131 ifndef _build_script 132 $(call __ndk_info,Your APP_BUILD_SCRIPT points to an unknown file: $(APP_BUILD_SCRIPT)) 133 $(call __ndk_error,Aborting...) 134 endif 135 APP_BUILD_SCRIPT := $(_build_script) 136 $(call ndk_log, Using build script $(APP_BUILD_SCRIPT)) 137 else 138 _build_script := $(strip $(wildcard $(APP_PROJECT_PATH)/jni/Android.mk)) 139 ifndef _build_script 140 $(call __ndk_info,There is no Android.mk under $(APP_PROJECT_PATH)/jni) 141 $(call __ndk_info,If this is intentional, please define APP_BUILD_SCRIPT to point) 142 $(call __ndk_info,to a valid NDK build script.) 143 $(call __ndk_error,Aborting...) 144 endif 145 APP_BUILD_SCRIPT := $(_build_script) 146 $(call ndk_log, Defaulted to APP_BUILD_SCRIPT=$(APP_BUILD_SCRIPT)) 147 endif 148 149 # Determine whether the application should be debuggable. 150 # - If APP_DEBUG is set to 'true', then it always should. 151 # - If APP_DEBUG is set to 'false', then it never should 152 # - Otherwise, extract the android:debuggable attribute from the manifest. 153 # 154 ifdef APP_DEBUG 155 APP_DEBUGGABLE := $(APP_DEBUG) 156 ifdef NDK_LOG 157 ifeq ($(APP_DEBUG),true) 158 $(call ndk_log,Application '$(_app)' forced debuggable through NDK_DEBUG) 159 else 160 $(call ndk_log,Application '$(_app)' forced *not* debuggable through NDK_DEBUG) 161 endif 162 endif 163 else 164 # NOTE: To make unit-testing simpler, handle the case where there is no manifest. 165 APP_DEBUGGABLE := false 166 APP_MANIFEST := $(strip $(wildcard $(APP_PROJECT_PATH)/AndroidManifest.xml)) 167 ifdef APP_MANIFEST 168 APP_DEBUGGABLE := $(shell $(HOST_AWK) -f $(BUILD_AWK)/extract-debuggable.awk $(APP_MANIFEST)) 169 endif 170 ifdef NDK_LOG 171 ifeq ($(APP_DEBUGGABLE),true) 172 $(call ndk_log,Application '$(_app)' *is* debuggable) 173 else 174 $(call ndk_log,Application '$(_app)' is not debuggable) 175 endif 176 endif 177 endif 178 179 # LOCAL_BUILD_MODE will be either release or debug 180 # 181 # If APP_OPTIM is defined in the Application.mk, just use this. 182 # 183 # Otherwise, set to 'debug' if android:debuggable is set to TRUE, 184 # and to 'release' if not. 185 # 186 ifneq ($(APP_OPTIM),) 187 # check that APP_OPTIM, if defined, is either 'release' or 'debug' 188 $(if $(filter-out release debug,$(APP_OPTIM)),\ 189 $(call __ndk_info, The APP_OPTIM defined in $(_application_mk) must only be 'release' or 'debug')\ 190 $(call __ndk_error,Aborting)\ 191 ) 192 $(call ndk_log,Selecting optimization mode through Application.mk: $(APP_OPTIM)) 193 else 194 ifeq ($(APP_DEBUGGABLE),true) 195 $(call ndk_log,Selecting debug optimization mode (app is debuggable)) 196 APP_OPTIM := debug 197 else 198 $(call ndk_log,Selecting release optimization mode (app is not debuggable)) 199 APP_OPTIM := release 200 endif 201 endif 202 203 # set release/debug build flags. We always use the -g flag because 204 # we generate symbol versions of the binaries that are later stripped 205 # when they are copied to the final project's libs/<abi> directory. 206 # 207 ifeq ($(APP_OPTIM),debug) 208 APP_CFLAGS := -O0 -g $(APP_CFLAGS) 209 else 210 APP_CFLAGS := -O2 -DNDEBUG -g $(APP_CFLAGS) 211 endif 212 213 # Check that APP_STL is defined. If not, use the default value (system) 214 # otherwise, check that the name is correct. 215 APP_STL := $(strip $(APP_STL)) 216 ifndef APP_STL 217 APP_STL := system 218 else 219 $(call ndk-stl-check,$(APP_STL)) 220 endif 221 222 223 224 $(if $(call get,$(_map),defined),\ 225 $(call __ndk_info,Weird, the application $(_app) is already defined by $(call get,$(_map),defined))\ 226 $(call __ndk_error,Aborting)\ 227 ) 228 229 $(call set,$(_map),defined,$(_application_mk)) 230 231 # Record all app-specific variable definitions 232 $(foreach __name,$(NDK_APP_VARS),\ 233 $(call set,$(_map),$(__name),$($(__name)))\ 234 ) 235 236 # Record the Application.mk for debugging 237 $(call set,$(_map),Application.mk,$(_application_mk)) 238 239 NDK_ALL_APPS += $(_app) 240
