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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 # 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 $(call host-path,$(_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 CASES:
     84 # 1) android-6 and android-7 are the same thing as android-5
     85 # 2) android-10 .. 13 are the same thing as android-9
     86 # 3) android-15 .. 17 are the same thing as android-14
     87 # 4) android-18 and up are the same thing as android-18
     88 #
     89 APP_PLATFORM_LEVEL := $(strip $(subst android-,,$(APP_PLATFORM)))
     90 ifneq (,$(filter 6 7,$(APP_PLATFORM_LEVEL)))
     91     APP_PLATFORM := android-5
     92     $(call ndk_log,  Adjusting APP_PLATFORM android-$(APP_PLATFORM_LEVEL) to $(APP_PLATFORM))
     93 endif
     94 ifneq (,$(filter 10 11 12 13,$(APP_PLATFORM_LEVEL)))
     95     APP_PLATFORM := android-9
     96     $(call ndk_log,  Adjusting APP_PLATFORM android-$(APP_PLATFORM_LEVEL) to $(APP_PLATFORM))
     97 endif
     98 ifneq (,$(filter 15 16 17,$(APP_PLATFORM_LEVEL)))
     99     APP_PLATFORM := android-14
    100     $(call ndk_log,  Adjusting APP_PLATFORM android-$(APP_PLATFORM_LEVEL) to $(APP_PLATFORM))
    101 endif
    102 ifneq (,$(call gt,$(APP_PLATFORM_LEVEL),18))
    103     APP_PLATFORM := android-18
    104     $(call ndk_log,  Adjusting APP_PLATFORM android-$(APP_PLATFORM_LEVEL) to $(APP_PLATFORM))
    105 endif
    106 
    107 # If APP_PIE isn't defined, set it to true for android-16 and above
    108 #
    109 APP_PIE := $(strip $(APP_PIE))
    110 $(call ndk_log,  APP_PIE is $(APP_PIE))
    111 ifndef APP_PIE
    112     ifneq (,$(call gte,$(APP_PLATFORM_LEVEL),16))
    113         APP_PIE := true
    114         $(call ndk_log,  Enabling -fPIE)
    115     else
    116         APP_PIE := false
    117     endif
    118 endif
    119 
    120 # Check that the value of APP_PLATFORM corresponds to a known platform
    121 # If not, we're going to use the max supported platform value.
    122 #
    123 _bad_platform := $(strip $(filter-out $(NDK_ALL_PLATFORMS),$(APP_PLATFORM)))
    124 ifdef _bad_platform
    125     $(call ndk_log,Application $(_app) targets unknown platform '$(_bad_platform)')
    126     APP_PLATFORM := android-$(NDK_MAX_PLATFORM_LEVEL)
    127     $(call ndk_log,Switching to $(APP_PLATFORM))
    128 endif
    129 
    130 # Check platform level (after adjustment) against android:minSdkVersion in AndroidManifest.xml
    131 #
    132 APP_MANIFEST := $(strip $(wildcard $(APP_PROJECT_PATH)/AndroidManifest.xml))
    133 APP_PLATFORM_LEVEL := $(strip $(subst android-,,$(APP_PLATFORM)))
    134 ifdef APP_MANIFEST
    135   APP_MIN_PLATFORM_LEVEL := $(strip $(shell $(HOST_AWK) -f $(BUILD_AWK)/extract-minsdkversion.awk $(call host-path,$(APP_MANIFEST))))
    136   ifdef APP_MIN_PLATFORM_LEVEL
    137     ifneq (,$(call gt,$(APP_PLATFORM_LEVEL),$(APP_MIN_PLATFORM_LEVEL)))
    138       $(call __ndk_info,WARNING: APP_PLATFORM $(APP_PLATFORM) is larger than android:minSdkVersion $(APP_MIN_PLATFORM_LEVEL) in $(APP_MANIFEST))
    139     endif
    140   endif
    141 endif
    142 
    143 # Check that the value of APP_ABI corresponds to known ABIs
    144 # 'all' is a special case that means 'all supported ABIs'
    145 #
    146 # It will be handled in setup-app.mk. We can't hope to change
    147 # the value of APP_ABI is the user enforces it on the command-line
    148 # with a call like:  ndk-build APP_ABI=all
    149 #
    150 # Because GNU Make makes the APP_ABI variable read-only (any assignments
    151 # to it will be ignored)
    152 #
    153 APP_ABI := $(strip $(APP_ABI))
    154 ifndef APP_ABI
    155     # Default ABI is 'armeabi'
    156     APP_ABI := armeabi
    157 endif
    158 ifneq ($(APP_ABI),all)
    159     _bad_abis := $(strip $(filter-out $(NDK_ALL_ABIS),$(APP_ABIS)))
    160     ifdef _bad_abis
    161         $(call __ndk_info,Application $(_app) targets unknown ABI '$(_bad_abis)')
    162         $(call __ndk_info,Please fix the APP_ABI definition in $(_application_mk))
    163         $(call __ndk_info,to use a set of the following values: $(NDK_ALL_ABIS))
    164         $(call __ndk_error,Aborting)
    165     endif
    166 endif
    167 
    168 # If APP_BUILD_SCRIPT is defined, check that the file exists.
    169 # If undefined, look in $(APP_PROJECT_PATH)/jni/Android.mk
    170 #
    171 APP_BUILD_SCRIPT := $(strip $(APP_BUILD_SCRIPT))
    172 ifdef APP_BUILD_SCRIPT
    173     _build_script := $(strip $(wildcard $(APP_BUILD_SCRIPT)))
    174     ifndef _build_script
    175         $(call __ndk_info,Your APP_BUILD_SCRIPT points to an unknown file: $(APP_BUILD_SCRIPT))
    176         $(call __ndk_error,Aborting...)
    177     endif
    178     APP_BUILD_SCRIPT := $(_build_script)
    179     $(call ndk_log,  Using build script $(APP_BUILD_SCRIPT))
    180 else
    181     _build_script := $(strip $(wildcard $(APP_PROJECT_PATH)/jni/Android.mk))
    182     ifndef _build_script
    183         $(call __ndk_info,There is no Android.mk under $(APP_PROJECT_PATH)/jni)
    184         $(call __ndk_info,If this is intentional, please define APP_BUILD_SCRIPT to point)
    185         $(call __ndk_info,to a valid NDK build script.)
    186         $(call __ndk_error,Aborting...)
    187     endif
    188     APP_BUILD_SCRIPT := $(_build_script)
    189     $(call ndk_log,  Defaulted to APP_BUILD_SCRIPT=$(APP_BUILD_SCRIPT))
    190 endif
    191 
    192 # Determine whether the application should be debuggable.
    193 # - If APP_DEBUG is set to 'true', then it always should.
    194 # - If APP_DEBUG is set to 'false', then it never should
    195 # - Otherwise, extract the android:debuggable attribute from the manifest.
    196 #
    197 ifdef APP_DEBUG
    198   APP_DEBUGGABLE := $(APP_DEBUG)
    199   ifeq ($(NDK_LOG),1)
    200     ifeq ($(APP_DEBUG),true)
    201       $(call ndk_log,Application '$(_app)' forced debuggable through NDK_DEBUG)
    202     else
    203       $(call ndk_log,Application '$(_app)' forced *not* debuggable through NDK_DEBUG)
    204     endif
    205   endif
    206 else
    207   # NOTE: To make unit-testing simpler, handle the case where there is no manifest.
    208   APP_DEBUGGABLE := false
    209   ifdef APP_MANIFEST
    210     APP_DEBUGGABLE := $(shell $(HOST_AWK) -f $(BUILD_AWK)/extract-debuggable.awk $(call host-path,$(APP_MANIFEST)))
    211   endif
    212   ifeq ($(NDK_LOG),1)
    213     ifeq ($(APP_DEBUGGABLE),true)
    214       $(call ndk_log,Application '$(_app)' *is* debuggable)
    215     else
    216       $(call ndk_log,Application '$(_app)' is not debuggable)
    217     endif
    218   endif
    219 endif
    220 
    221 # LOCAL_BUILD_MODE will be either release or debug
    222 #
    223 # If APP_OPTIM is defined in the Application.mk, just use this.
    224 #
    225 # Otherwise, set to 'debug' if android:debuggable is set to TRUE,
    226 # and to 'release' if not.
    227 #
    228 ifneq ($(APP_OPTIM),)
    229     # check that APP_OPTIM, if defined, is either 'release' or 'debug'
    230     $(if $(filter-out release debug,$(APP_OPTIM)),\
    231         $(call __ndk_info, The APP_OPTIM defined in $(_application_mk) must only be 'release' or 'debug')\
    232         $(call __ndk_error,Aborting)\
    233     )
    234     $(call ndk_log,Selecting optimization mode through Application.mk: $(APP_OPTIM))
    235 else
    236     ifeq ($(APP_DEBUGGABLE),true)
    237         $(call ndk_log,Selecting debug optimization mode (app is debuggable))
    238         APP_OPTIM := debug
    239     else
    240         $(call ndk_log,Selecting release optimization mode (app is not debuggable))
    241         APP_OPTIM := release
    242     endif
    243 endif
    244 
    245 APP_CFLAGS := $(strip $(APP_CFLAGS))
    246 APP_LDFLAGS := $(strip $(APP_LDFLAGS))
    247 
    248 # Check that APP_STL is defined. If not, use the default value (system)
    249 # otherwise, check that the name is correct.
    250 APP_STL := $(strip $(APP_STL))
    251 ifndef APP_STL
    252     APP_STL := system
    253 else
    254     $(call ndk-stl-check,$(APP_STL))
    255 endif
    256 
    257 $(if $(call get,$(_map),defined),\
    258   $(call __ndk_info,Weird, the application $(_app) is already defined by $(call get,$(_map),defined))\
    259   $(call __ndk_error,Aborting)\
    260 )
    261 
    262 $(call set,$(_map),defined,$(_application_mk))
    263 
    264 # Record all app-specific variable definitions
    265 $(foreach __name,$(NDK_APP_VARS),\
    266   $(call set,$(_map),$(__name),$($(__name)))\
    267 )
    268 
    269 # Record the Application.mk for debugging
    270 $(call set,$(_map),Application.mk,$(_application_mk))
    271 
    272 NDK_ALL_APPS += $(_app)
    273