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      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 := $(NDK_PROJECT_PATH)
     61 endif
     62 
     63 ifeq (null,$(APP_PROJECT_PATH))
     64 
     65 ifndef APP_PLATFORM
     66     APP_PLATFORM := android-3
     67     $(call ndk_log,  Defaulted to APP_PLATFORM=$(APP_PLATFORM))
     68 endif
     69 
     70 else
     71 
     72 # check whether APP_PLATFORM is defined. If not, look for project.properties in
     73 # the $(APP_PROJECT_PATH) and extract the value with awk's help. If nothing is here,
     74 # revert to the default value (i.e. "android-3").
     75 #
     76 APP_PLATFORM := $(strip $(APP_PLATFORM))
     77 ifndef APP_PLATFORM
     78     _local_props := $(strip $(wildcard $(APP_PROJECT_PATH)/project.properties))
     79     ifndef _local_props
     80         # NOTE: project.properties was called default.properties before
     81         _local_props := $(strip $(wildcard $(APP_PROJECT_PATH)/default.properties))
     82     endif
     83     ifdef _local_props
     84         APP_PLATFORM := $(strip $(shell $(HOST_AWK) -f $(BUILD_AWK)/extract-platform.awk $(call host-path,$(_local_props))))
     85         $(call ndk_log,  Found APP_PLATFORM=$(APP_PLATFORM) in $(_local_props))
     86     else
     87         APP_PLATFORM := android-3
     88         $(call ndk_log,  Defaulted to APP_PLATFORM=$(APP_PLATFORM))
     89     endif
     90 endif
     91 
     92 endif # APP_PROJECT_PATH == null
     93 
     94 # SPECIAL CASES:
     95 # 1) android-6 and android-7 are the same thing as android-5
     96 # 2) android-10 and android-11 are the same thing as android-9
     97 # 3) android-20 and up are the same thing as android-19
     98 #
     99 APP_PLATFORM_LEVEL := $(strip $(subst android-,,$(APP_PLATFORM)))
    100 ifneq ($(APP_PLATFORM_LEVEL),$(NDK_PREVIEW_LEVEL))
    101 
    102 ifneq (,$(filter 6 7,$(APP_PLATFORM_LEVEL)))
    103     override APP_PLATFORM := android-5
    104 endif
    105 ifneq (,$(filter 10 11,$(APP_PLATFORM_LEVEL)))
    106     override APP_PLATFORM := android-9
    107 endif
    108 ifneq (,$(call gt,$(APP_PLATFORM_LEVEL),19))
    109     override APP_PLATFORM := android-19
    110 endif
    111 
    112 ifneq ($(strip $(subst android-,,$(APP_PLATFORM))),$(APP_PLATFORM_LEVEL))
    113     $(call ndk_log,  Adjusting APP_PLATFORM android-$(APP_PLATFORM_LEVEL) to $(APP_PLATFORM))
    114 endif
    115 
    116 # If APP_PIE isn't defined, set it to true for android-$(NDK_PIE_PLATFORM_LEVEL) and above
    117 #
    118 APP_PIE := $(strip $(APP_PIE))
    119 $(call ndk_log,  APP_PIE is $(APP_PIE))
    120 ifndef APP_PIE
    121     ifneq (,$(call gte,$(APP_PLATFORM_LEVEL),$(NDK_PIE_PLATFORM_LEVEL)))
    122         APP_PIE := true
    123         $(call ndk_log,  Enabling -fPIE)
    124     else
    125         APP_PIE := false
    126     endif
    127 endif
    128 
    129 # Check that the value of APP_PLATFORM corresponds to a known platform
    130 # If not, we're going to use the max supported platform value.
    131 #
    132 _bad_platform := $(strip $(filter-out $(NDK_ALL_PLATFORMS),$(APP_PLATFORM)))
    133 ifdef _bad_platform
    134     $(call ndk_log,Application $(_app) targets unknown platform '$(_bad_platform)')
    135     override APP_PLATFORM := android-$(NDK_MAX_PLATFORM_LEVEL)
    136     $(call ndk_log,Switching to $(APP_PLATFORM))
    137 endif
    138 
    139 ifneq (null,$(APP_PROJECT_PATH))
    140 ifneq ($(APP_PLATFORM),android-$(NDK_PREVIEW_LEVEL))
    141 
    142 # Check platform level (after adjustment) against android:minSdkVersion in AndroidManifest.xml
    143 #
    144 APP_MANIFEST := $(strip $(wildcard $(APP_PROJECT_PATH)/AndroidManifest.xml))
    145 APP_PLATFORM_LEVEL := $(strip $(subst android-,,$(APP_PLATFORM)))
    146 ifdef APP_MANIFEST
    147   APP_MIN_PLATFORM_LEVEL := $(strip $(shell $(HOST_AWK) -f $(BUILD_AWK)/extract-minsdkversion.awk $(call host-path,$(APP_MANIFEST))))
    148   ifdef APP_MIN_PLATFORM_LEVEL
    149     ifneq (,$(call gt,$(APP_PLATFORM_LEVEL),$(APP_MIN_PLATFORM_LEVEL)))
    150       $(call __ndk_info,WARNING: APP_PLATFORM $(APP_PLATFORM) is larger than android:minSdkVersion $(APP_MIN_PLATFORM_LEVEL) in $(APP_MANIFEST))
    151     endif
    152   endif
    153 endif
    154 endif
    155 
    156 endif # APP_PROJECT_PATH == null
    157 
    158 else
    159 # $(APP_PLATFORM_LEVEL) = $(NDK_PREVIEW_LEVEL)
    160   APP_PIE := true
    161 endif # $(APP_PLATFORM_LEVEL) != $(NDK_PREVIEW_LEVEL)
    162 
    163 # Check that the value of APP_ABI corresponds to known ABIs
    164 # 'all' is a special case that means 'all supported ABIs'
    165 #
    166 # It will be handled in setup-app.mk. We can't hope to change
    167 # the value of APP_ABI is the user enforces it on the command-line
    168 # with a call like:  ndk-build APP_ABI=all
    169 #
    170 # Because GNU Make makes the APP_ABI variable read-only (any assignments
    171 # to it will be ignored)
    172 #
    173 APP_ABI := $(subst $(comma),$(space),$(strip $(APP_ABI)))
    174 ifndef APP_ABI
    175     # Default ABI is 'armeabi'
    176     APP_ABI := armeabi
    177 endif
    178 ifneq ($(APP_ABI),all)
    179     _bad_abis := $(strip $(filter-out $(NDK_ALL_ABIS),$(APP_ABIS)))
    180     ifdef _bad_abis
    181         $(call __ndk_info,Application $(_app) targets unknown ABI '$(_bad_abis)')
    182         $(call __ndk_info,Please fix the APP_ABI definition in $(_application_mk))
    183         $(call __ndk_info,to use a set of the following values: $(NDK_ALL_ABIS))
    184         $(call __ndk_error,Aborting)
    185     endif
    186 endif
    187 
    188 # If APP_BUILD_SCRIPT is defined, check that the file exists.
    189 # If undefined, look in $(APP_PROJECT_PATH)/jni/Android.mk
    190 #
    191 APP_BUILD_SCRIPT := $(strip $(APP_BUILD_SCRIPT))
    192 ifdef APP_BUILD_SCRIPT
    193     _build_script := $(strip $(wildcard $(APP_BUILD_SCRIPT)))
    194     ifndef _build_script
    195         $(call __ndk_info,Your APP_BUILD_SCRIPT points to an unknown file: $(APP_BUILD_SCRIPT))
    196         $(call __ndk_error,Aborting...)
    197     endif
    198     APP_BUILD_SCRIPT := $(_build_script)
    199     $(call ndk_log,  Using build script $(APP_BUILD_SCRIPT))
    200 else
    201     ifeq (null,$(APP_PROJECT_PATH))
    202       $(call __ndk_info,NDK_PROJECT_PATH==null.  Please explicitly set APP_BUILD_SCRIPT.)
    203       $(call __ndk_error,Aborting.)
    204     endif
    205 
    206     _build_script := $(strip $(wildcard $(APP_PROJECT_PATH)/jni/Android.mk))
    207     ifndef _build_script
    208         $(call __ndk_info,There is no Android.mk under $(APP_PROJECT_PATH)/jni)
    209         $(call __ndk_info,If this is intentional, please define APP_BUILD_SCRIPT to point)
    210         $(call __ndk_info,to a valid NDK build script.)
    211         $(call __ndk_error,Aborting...)
    212     endif
    213     APP_BUILD_SCRIPT := $(_build_script)
    214     $(call ndk_log,  Defaulted to APP_BUILD_SCRIPT=$(APP_BUILD_SCRIPT))
    215 endif
    216 
    217 # Determine whether the application should be debuggable.
    218 # - If APP_DEBUG is set to 'true', then it always should.
    219 # - If APP_DEBUG is set to 'false', then it never should
    220 # - Otherwise, extract the android:debuggable attribute from the manifest.
    221 #
    222 ifdef APP_DEBUG
    223   APP_DEBUGGABLE := $(APP_DEBUG)
    224   ifeq ($(NDK_LOG),1)
    225     ifeq ($(APP_DEBUG),true)
    226       $(call ndk_log,Application '$(_app)' forced debuggable through NDK_DEBUG)
    227     else
    228       $(call ndk_log,Application '$(_app)' forced *not* debuggable through NDK_DEBUG)
    229     endif
    230   endif
    231 else
    232   # NOTE: To make unit-testing simpler, handle the case where there is no manifest.
    233   APP_DEBUGGABLE := false
    234   ifdef APP_MANIFEST
    235     APP_DEBUGGABLE := $(shell $(HOST_AWK) -f $(BUILD_AWK)/extract-debuggable.awk $(call host-path,$(APP_MANIFEST)))
    236   endif
    237   ifeq ($(NDK_LOG),1)
    238     ifeq ($(APP_DEBUGGABLE),true)
    239       $(call ndk_log,Application '$(_app)' *is* debuggable)
    240     else
    241       $(call ndk_log,Application '$(_app)' is not debuggable)
    242     endif
    243   endif
    244 endif
    245 
    246 # LOCAL_BUILD_MODE will be either release or debug
    247 #
    248 # If APP_OPTIM is defined in the Application.mk, just use this.
    249 #
    250 # Otherwise, set to 'debug' if android:debuggable is set to TRUE,
    251 # and to 'release' if not.
    252 #
    253 ifneq ($(APP_OPTIM),)
    254     # check that APP_OPTIM, if defined, is either 'release' or 'debug'
    255     $(if $(filter-out release debug,$(APP_OPTIM)),\
    256         $(call __ndk_info, The APP_OPTIM defined in $(_application_mk) must only be 'release' or 'debug')\
    257         $(call __ndk_error,Aborting)\
    258     )
    259     $(call ndk_log,Selecting optimization mode through Application.mk: $(APP_OPTIM))
    260 else
    261     ifeq ($(APP_DEBUGGABLE),true)
    262         $(call ndk_log,Selecting debug optimization mode (app is debuggable))
    263         APP_OPTIM := debug
    264     else
    265         $(call ndk_log,Selecting release optimization mode (app is not debuggable))
    266         APP_OPTIM := release
    267     endif
    268 endif
    269 
    270 APP_CFLAGS := $(strip $(APP_CFLAGS))
    271 APP_CONLYFLAGS := $(strip $(APP_CONLYFLAGS))
    272 APP_CPPFLAGS := $(strip $(APP_CPPFLAGS))
    273 APP_CXXFLAGS := $(strip $(APP_CXXFLAGS))
    274 APP_RENDERSCRIPT_FLAGS := $(strip $(APP_RENDERSCRIPT_FLAGS))
    275 APP_ASMFLAGS := $(strip $(APP_ASMFLAGS))
    276 APP_LDFLAGS  := $(strip $(APP_LDFLAGS))
    277 
    278 # Check that APP_STL is defined. If not, use the default value (system)
    279 # otherwise, check that the name is correct.
    280 APP_STL := $(strip $(APP_STL))
    281 ifndef APP_STL
    282     APP_STL := system
    283 else
    284     $(call ndk-stl-check,$(APP_STL))
    285 endif
    286 
    287 $(if $(call get,$(_map),defined),\
    288   $(call __ndk_info,Weird, the application $(_app) is already defined by $(call get,$(_map),defined))\
    289   $(call __ndk_error,Aborting)\
    290 )
    291 
    292 $(call set,$(_map),defined,$(_application_mk))
    293 
    294 # Record all app-specific variable definitions
    295 $(foreach __name,$(NDK_APP_VARS),\
    296   $(call set,$(_map),$(__name),$($(__name)))\
    297 )
    298 
    299 # Record the Application.mk for debugging
    300 $(call set,$(_map),Application.mk,$(_application_mk))
    301 
    302 NDK_ALL_APPS += $(_app)
    303