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 := $(NDK_PROJECT_PATH)
61endif
62
63ifeq (null,$(APP_PROJECT_PATH))
64
65ifndef APP_PLATFORM
66    APP_PLATFORM := android-3
67    $(call ndk_log,  Defaulted to APP_PLATFORM=$(APP_PLATFORM))
68endif
69
70else
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#
76APP_PLATFORM := $(strip $(APP_PLATFORM))
77ifndef 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
90endif
91
92endif # 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#
99APP_PLATFORM_LEVEL := $(strip $(subst android-,,$(APP_PLATFORM)))
100ifneq ($(APP_PLATFORM_LEVEL),$(NDK_PREVIEW_LEVEL))
101
102ifneq (,$(filter 6 7,$(APP_PLATFORM_LEVEL)))
103    override APP_PLATFORM := android-5
104endif
105ifneq (,$(filter 10 11,$(APP_PLATFORM_LEVEL)))
106    override APP_PLATFORM := android-9
107endif
108ifneq (,$(call gt,$(APP_PLATFORM_LEVEL),19))
109    override APP_PLATFORM := android-19
110endif
111
112ifneq ($(strip $(subst android-,,$(APP_PLATFORM))),$(APP_PLATFORM_LEVEL))
113    $(call ndk_log,  Adjusting APP_PLATFORM android-$(APP_PLATFORM_LEVEL) to $(APP_PLATFORM))
114endif
115
116# If APP_PIE isn't defined, set it to true for android-$(NDK_PIE_PLATFORM_LEVEL) and above
117#
118APP_PIE := $(strip $(APP_PIE))
119$(call ndk_log,  APP_PIE is $(APP_PIE))
120ifndef APP_PIE
121    ifneq (,$(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
127endif
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)))
133ifdef _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 $(APP_PLATFORM))
137endif
138
139ifneq (null,$(APP_PROJECT_PATH))
140ifneq ($(APP_PLATFORM),android-$(NDK_PREVIEW_LEVEL))
141
142# Check platform level (after adjustment) against android:minSdkVersion in AndroidManifest.xml
143#
144APP_MANIFEST := $(strip $(wildcard $(APP_PROJECT_PATH)/AndroidManifest.xml))
145APP_PLATFORM_LEVEL := $(strip $(subst android-,,$(APP_PLATFORM)))
146ifdef 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
153endif
154endif
155
156endif # APP_PROJECT_PATH == null
157
158else
159# $(APP_PLATFORM_LEVEL) = $(NDK_PREVIEW_LEVEL)
160  APP_PIE := true
161endif # $(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#
173APP_ABI := $(subst $(comma),$(space),$(strip $(APP_ABI)))
174ifndef APP_ABI
175    # Default ABI is 'armeabi'
176    APP_ABI := armeabi
177endif
178ifneq ($(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
186endif
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#
191APP_BUILD_SCRIPT := $(strip $(APP_BUILD_SCRIPT))
192ifdef 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 $(APP_BUILD_SCRIPT))
200else
201    ifeq (null,$(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))
215endif
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#
222ifdef 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
231else
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
244endif
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#
253ifneq ($(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: $(APP_OPTIM))
260else
261    ifeq ($(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
268endif
269
270APP_CFLAGS := $(strip $(APP_CFLAGS))
271APP_CONLYFLAGS := $(strip $(APP_CONLYFLAGS))
272APP_CPPFLAGS := $(strip $(APP_CPPFLAGS))
273APP_CXXFLAGS := $(strip $(APP_CXXFLAGS))
274APP_RENDERSCRIPT_FLAGS := $(strip $(APP_RENDERSCRIPT_FLAGS))
275APP_ASMFLAGS := $(strip $(APP_ASMFLAGS))
276APP_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.
280APP_STL := $(strip $(APP_STL))
281ifndef APP_STL
282    APP_STL := system
283else
284    $(call ndk-stl-check,$(APP_STL))
285endif
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
302NDK_ALL_APPS += $(_app)
303