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