main.mk revision 3351178fb88369b627e36e008e8722d721eaf18b
1# Only use ANDROID_BUILD_SHELL to wrap around bash.
2# DO NOT use other shells such as zsh.
3ifdef ANDROID_BUILD_SHELL
4SHELL := $(ANDROID_BUILD_SHELL)
5else
6# Use bash, not whatever shell somebody has installed as /bin/sh
7# This is repeated in config.mk, since envsetup.sh runs that file
8# directly.
9SHELL := /bin/bash
10endif
11
12# this turns off the suffix rules built into make
13.SUFFIXES:
14
15# this turns off the RCS / SCCS implicit rules of GNU Make
16% : RCS/%,v
17% : RCS/%
18% : %,v
19% : s.%
20% : SCCS/s.%
21
22# If a rule fails, delete $@.
23.DELETE_ON_ERROR:
24
25# Figure out where we are.
26#TOP := $(dir $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST)))
27#TOP := $(patsubst %/,%,$(TOP))
28
29# TOPDIR is the normal variable you should use, because
30# if we are executing relative to the current directory
31# it can be "", whereas TOP must be "." which causes
32# pattern matching problems when make strips off the
33# trailing "./" from paths in various places.
34#ifeq ($(TOP),.)
35#TOPDIR :=
36#else
37#TOPDIR := $(TOP)/
38#endif
39
40# Check for broken versions of make.
41ifneq (1,$(strip $(shell expr $(MAKE_VERSION) \>= 3.81)))
42$(warning ********************************************************************************)
43$(warning *  You are using version $(MAKE_VERSION) of make.)
44$(warning *  Android can only be built by versions 3.81 and higher.)
45$(warning *  see https://source.android.com/source/download.html)
46$(warning ********************************************************************************)
47$(error stopping)
48endif
49
50# Absolute path of the present working direcotry.
51# This overrides the shell variable $PWD, which does not necessarily points to
52# the top of the source tree, for example when "make -C" is used in m/mm/mmm.
53PWD := $(shell pwd)
54
55TOP := .
56TOPDIR :=
57
58BUILD_SYSTEM := $(TOPDIR)build/core
59
60# This is the default target.  It must be the first declared target.
61.PHONY: droid
62DEFAULT_GOAL := droid
63$(DEFAULT_GOAL):
64
65# Used to force goals to build.  Only use for conditionally defined goals.
66.PHONY: FORCE
67FORCE:
68
69# These goals don't need to collect and include Android.mks/CleanSpec.mks
70# in the source tree.
71dont_bother_goals := clean clobber dataclean installclean \
72    help out \
73    snod systemimage-nodeps \
74    stnod systemtarball-nodeps \
75    userdataimage-nodeps userdatatarball-nodeps \
76    cacheimage-nodeps \
77    vendorimage-nodeps \
78    ramdisk-nodeps \
79    bootimage-nodeps \
80    recoveryimage-nodeps
81
82ifneq ($(filter $(dont_bother_goals), $(MAKECMDGOALS)),)
83dont_bother := true
84endif
85
86ORIGINAL_MAKECMDGOALS := $(MAKECMDGOALS)
87
88# Targets that provide quick help on the build system.
89include $(BUILD_SYSTEM)/help.mk
90
91# Set up various standard variables based on configuration
92# and host information.
93include $(BUILD_SYSTEM)/config.mk
94
95ifeq ($(USE_NINJA),true)
96include build/core/ninja.mk
97else # !USE_NINJA
98
99# Write the build number to a file so it can be read back in
100# without changing the command line every time.  Avoids rebuilds
101# when using ninja.
102$(shell mkdir -p $(OUT_DIR) && \
103    echo -n $(BUILD_NUMBER) > $(OUT_DIR)/build_number.txt && \
104    echo -n $(BUILD_DATETIME) > $(OUT_DIR)/build_date.txt)
105BUILD_NUMBER_FROM_FILE := $$(cat $(OUT_DIR)/build_number.txt)
106BUILD_DATETIME_FROM_FILE := $$(cat $(OUT_DIR)/build_date.txt)
107ifeq ($(HOST_OS),darwin)
108DATE_FROM_FILE := date -r $(BUILD_DATETIME_FROM_FILE)
109else
110DATE_FROM_FILE := date -d @$(BUILD_DATETIME_FROM_FILE)
111endif
112
113# CTS-specific config.
114-include cts/build/config.mk
115
116# This allows us to force a clean build - included after the config.mk
117# environment setup is done, but before we generate any dependencies.  This
118# file does the rm -rf inline so the deps which are all done below will
119# be generated correctly
120include $(BUILD_SYSTEM)/cleanbuild.mk
121
122# Include the google-specific config
123-include vendor/google/build/config.mk
124
125VERSION_CHECK_SEQUENCE_NUMBER := 5
126-include $(OUT_DIR)/versions_checked.mk
127ifneq ($(VERSION_CHECK_SEQUENCE_NUMBER),$(VERSIONS_CHECKED))
128
129$(info Checking build tools versions...)
130
131# check for a case sensitive file system
132ifneq (a,$(shell mkdir -p $(OUT_DIR) ; \
133                echo a > $(OUT_DIR)/casecheck.txt; \
134                    echo B > $(OUT_DIR)/CaseCheck.txt; \
135                cat $(OUT_DIR)/casecheck.txt))
136$(warning ************************************************************)
137$(warning You are building on a case-insensitive filesystem.)
138$(warning Please move your source tree to a case-sensitive filesystem.)
139$(warning ************************************************************)
140$(error Case-insensitive filesystems not supported)
141endif
142
143# Make sure that there are no spaces in the absolute path; the
144# build system can't deal with them.
145ifneq ($(words $(shell pwd)),1)
146$(warning ************************************************************)
147$(warning You are building in a directory whose absolute path contains)
148$(warning a space character:)
149$(warning $(space))
150$(warning "$(shell pwd)")
151$(warning $(space))
152$(warning Please move your source tree to a path that does not contain)
153$(warning any spaces.)
154$(warning ************************************************************)
155$(error Directory names containing spaces not supported)
156endif
157
158java_version_str := $(shell unset _JAVA_OPTIONS && java -version 2>&1)
159javac_version_str := $(shell unset _JAVA_OPTIONS && javac -version 2>&1)
160
161# Check for the correct version of java, should be 1.7 by
162# default, and 1.8 if EXPERIMENTAL_USE_JAVA8 is set
163ifneq ($(EXPERIMENTAL_USE_JAVA8),)
164required_version := "1.8.x"
165required_javac_version := "1.8"
166java_version := $(shell echo '$(java_version_str)' | grep 'openjdk .*[ "]1\.8[\. "$$]')
167javac_version := $(shell echo '$(javac_version_str)' | grep '[ "]1\.8[\. "$$]')
168else # default
169required_version := "1.7.x"
170required_javac_version := "1.7"
171java_version := $(shell echo '$(java_version_str)' | grep '^java .*[ "]1\.7[\. "$$]')
172javac_version := $(shell echo '$(javac_version_str)' | grep '[ "]1\.7[\. "$$]')
173endif # if EXPERIMENTAL_USE_JAVA8
174
175ifeq ($(strip $(java_version)),)
176$(info ************************************************************)
177$(info You are attempting to build with the incorrect version)
178$(info of java.)
179$(info $(space))
180$(info Your version is: $(java_version_str).)
181$(info The required version is: $(required_version))
182$(info $(space))
183$(info Please follow the machine setup instructions at)
184$(info $(space)$(space)$(space)$(space)https://source.android.com/source/initializing.html)
185$(info ************************************************************)
186$(error stop)
187endif
188
189# Check for the current JDK.
190#
191# For Java 1.7, we require OpenJDK on linux and Oracle JDK on Mac OS.
192requires_openjdk := false
193ifeq ($(BUILD_OS),linux)
194requires_openjdk := true
195endif
196
197
198# Check for the current jdk
199ifeq ($(requires_openjdk), true)
200# The user asked for java7 openjdk, so check that the host
201# java version is really openjdk
202ifeq ($(shell echo '$(java_version_str)' | grep -i openjdk),)
203$(info ************************************************************)
204$(info You asked for an OpenJDK 7 build but your version is)
205$(info $(java_version_str).)
206$(info ************************************************************)
207$(error stop)
208endif # java version is not OpenJdk
209else # if requires_openjdk
210ifneq ($(shell echo '$(java_version_str)' | grep -i openjdk),)
211$(info ************************************************************)
212$(info You are attempting to build with an unsupported JDK.)
213$(info $(space))
214$(info You use OpenJDK but only Sun/Oracle JDK is supported.)
215$(info Please follow the machine setup instructions at)
216$(info $(space)$(space)$(space)$(space)https://source.android.com/source/download.html)
217$(info ************************************************************)
218$(error stop)
219endif # java version is not Sun Oracle JDK
220endif # if requires_openjdk
221
222# Check for the correct version of javac
223ifeq ($(strip $(javac_version)),)
224$(info ************************************************************)
225$(info You are attempting to build with the incorrect version)
226$(info of javac.)
227$(info $(space))
228$(info Your version is: $(javac_version_str).)
229$(info The required version is: $(required_javac_version))
230$(info $(space))
231$(info Please follow the machine setup instructions at)
232$(info $(space)$(space)$(space)$(space)https://source.android.com/source/download.html)
233$(info ************************************************************)
234$(error stop)
235endif
236
237
238ifndef BUILD_EMULATOR
239  # Emulator binaries are now provided under prebuilts/android-emulator/
240  BUILD_EMULATOR := false
241endif
242
243$(shell echo 'VERSIONS_CHECKED := $(VERSION_CHECK_SEQUENCE_NUMBER)' \
244        > $(OUT_DIR)/versions_checked.mk)
245$(shell echo 'BUILD_EMULATOR ?= $(BUILD_EMULATOR)' \
246        >> $(OUT_DIR)/versions_checked.mk)
247endif
248
249# These are the modifier targets that don't do anything themselves, but
250# change the behavior of the build.
251# (must be defined before including definitions.make)
252INTERNAL_MODIFIER_TARGETS := showcommands all
253
254# EMMA_INSTRUMENT_STATIC merges the static emma library to each emma-enabled module.
255ifeq (true,$(EMMA_INSTRUMENT_STATIC))
256EMMA_INSTRUMENT := true
257endif
258
259# Bring in standard build system definitions.
260include $(BUILD_SYSTEM)/definitions.mk
261
262# Bring in dex_preopt.mk
263include $(BUILD_SYSTEM)/dex_preopt.mk
264
265ifneq ($(filter user userdebug eng,$(MAKECMDGOALS)),)
266$(info ***************************************************************)
267$(info ***************************************************************)
268$(info Do not pass '$(filter user userdebug eng,$(MAKECMDGOALS))' on \
269       the make command line.)
270$(info Set TARGET_BUILD_VARIANT in buildspec.mk, or use lunch or)
271$(info choosecombo.)
272$(info ***************************************************************)
273$(info ***************************************************************)
274$(error stopping)
275endif
276
277ifneq ($(filter-out $(INTERNAL_VALID_VARIANTS),$(TARGET_BUILD_VARIANT)),)
278$(info ***************************************************************)
279$(info ***************************************************************)
280$(info Invalid variant: $(TARGET_BUILD_VARIANT))
281$(info Valid values are: $(INTERNAL_VALID_VARIANTS))
282$(info ***************************************************************)
283$(info ***************************************************************)
284$(error stopping)
285endif
286
287# -----------------------------------------------------------------
288# Variable to check java support level inside PDK build.
289# Not necessary if the components is not in PDK.
290# not defined : not supported
291# "sdk" : sdk API only
292# "platform" : platform API supproted
293TARGET_BUILD_JAVA_SUPPORT_LEVEL := platform
294
295# -----------------------------------------------------------------
296# The pdk (Platform Development Kit) build
297include build/core/pdk_config.mk
298
299# -----------------------------------------------------------------
300###
301### In this section we set up the things that are different
302### between the build variants
303###
304
305is_sdk_build :=
306
307ifneq ($(filter sdk win_sdk sdk_addon,$(MAKECMDGOALS)),)
308is_sdk_build := true
309endif
310
311# Add build properties for ART. These define system properties used by installd
312# to pass flags to dex2oat.
313ADDITIONAL_BUILD_PROPERTIES += persist.sys.dalvik.vm.lib.2=libart
314ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_ARCH).variant=$(DEX2OAT_TARGET_CPU_VARIANT)
315ifneq ($(DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES),)
316  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_ARCH).features=$(DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES)
317endif
318
319ifdef TARGET_2ND_ARCH
320  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_2ND_ARCH).variant=$($(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_CPU_VARIANT)
321  ifneq ($($(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES),)
322    ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_2ND_ARCH).features=$($(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES)
323  endif
324endif
325
326## user/userdebug ##
327
328user_variant := $(filter user userdebug,$(TARGET_BUILD_VARIANT))
329enable_target_debugging := true
330tags_to_install :=
331ifneq (,$(user_variant))
332  # Target is secure in user builds.
333  ADDITIONAL_DEFAULT_PROPERTIES += ro.secure=1
334
335  ifeq ($(user_variant),userdebug)
336    # Pick up some extra useful tools
337    tags_to_install += debug
338  else
339    # Disable debugging in plain user builds.
340    enable_target_debugging :=
341  endif
342
343  # Turn on Dalvik preoptimization for user builds, but only if not
344  # explicitly disabled and the build is running on Linux (since host
345  # Dalvik isn't built for non-Linux hosts).
346  ifeq (,$(WITH_DEXPREOPT))
347    ifeq ($(user_variant),user)
348      ifeq ($(HOST_OS),linux)
349        # TODO: turn on WITH_DEXPREOPT for libart user builds.
350        # WITH_DEXPREOPT := true
351      endif
352    endif
353  endif
354
355  # Disallow mock locations by default for user builds
356  ADDITIONAL_DEFAULT_PROPERTIES += ro.allow.mock.location=0
357
358else # !user_variant
359  # Turn on checkjni for non-user builds.
360  ADDITIONAL_BUILD_PROPERTIES += ro.kernel.android.checkjni=1
361  # Set device insecure for non-user builds.
362  ADDITIONAL_DEFAULT_PROPERTIES += ro.secure=0
363  # Allow mock locations by default for non user builds
364  ADDITIONAL_DEFAULT_PROPERTIES += ro.allow.mock.location=1
365endif # !user_variant
366
367ifeq (true,$(strip $(enable_target_debugging)))
368  # Target is more debuggable and adbd is on by default
369  ADDITIONAL_DEFAULT_PROPERTIES += ro.debuggable=1
370  # Enable Dalvik lock contention logging.
371  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.lockprof.threshold=500
372  # Include the debugging/testing OTA keys in this build.
373  INCLUDE_TEST_OTA_KEYS := true
374else # !enable_target_debugging
375  # Target is less debuggable and adbd is off by default
376  ADDITIONAL_DEFAULT_PROPERTIES += ro.debuggable=0
377endif # !enable_target_debugging
378
379## eng ##
380
381ifeq ($(TARGET_BUILD_VARIANT),eng)
382tags_to_install := debug eng
383ifneq ($(filter ro.setupwizard.mode=ENABLED, $(call collapse-pairs, $(ADDITIONAL_BUILD_PROPERTIES))),)
384  # Don't require the setup wizard on eng builds
385  ADDITIONAL_BUILD_PROPERTIES := $(filter-out ro.setupwizard.mode=%,\
386          $(call collapse-pairs, $(ADDITIONAL_BUILD_PROPERTIES))) \
387          ro.setupwizard.mode=OPTIONAL
388endif
389ifndef is_sdk_build
390  # Don't verify or compile the image on eng builds to speed startup.
391  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.image-dex2oat-filter=verify-at-runtime
392  # Don't verify or compile apps on eng builds to speed startup.
393  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.dex2oat-filter=verify-at-runtime
394endif
395  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.usejit=true
396endif
397
398## sdk ##
399
400ifdef is_sdk_build
401
402# Detect if we want to build a repository for the SDK
403sdk_repo_goal := $(strip $(filter sdk_repo,$(MAKECMDGOALS)))
404MAKECMDGOALS := $(strip $(filter-out sdk_repo,$(MAKECMDGOALS)))
405
406ifneq ($(words $(filter-out $(INTERNAL_MODIFIER_TARGETS) checkbuild emulator_tests target-files-package,$(MAKECMDGOALS))),1)
407$(error The 'sdk' target may not be specified with any other targets)
408endif
409
410# TODO: this should be eng I think.  Since the sdk is built from the eng
411# variant.
412tags_to_install := debug eng
413ADDITIONAL_BUILD_PROPERTIES += xmpp.auto-presence=true
414ADDITIONAL_BUILD_PROPERTIES += ro.config.nocheckin=yes
415else # !sdk
416endif
417
418BUILD_WITHOUT_PV := true
419
420ADDITIONAL_BUILD_PROPERTIES += net.bt.name=Android
421
422# enable vm tracing in files for now to help track
423# the cause of ANRs in the content process
424ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.stack-trace-file=/data/anr/traces.txt
425
426# ------------------------------------------------------------
427# Define a function that, given a list of module tags, returns
428# non-empty if that module should be installed in /system.
429
430# For most goals, anything not tagged with the "tests" tag should
431# be installed in /system.
432define should-install-to-system
433$(if $(filter tests,$(1)),,true)
434endef
435
436ifdef is_sdk_build
437# For the sdk goal, anything with the "samples" tag should be
438# installed in /data even if that module also has "eng"/"debug"/"user".
439define should-install-to-system
440$(if $(filter samples tests,$(1)),,true)
441endef
442endif
443
444
445# If they only used the modifier goals (showcommands, etc), we'll actually
446# build the default target.
447ifeq ($(filter-out $(INTERNAL_MODIFIER_TARGETS),$(MAKECMDGOALS)),)
448.PHONY: $(INTERNAL_MODIFIER_TARGETS)
449$(INTERNAL_MODIFIER_TARGETS): $(DEFAULT_GOAL)
450endif
451
452# Bring in all modules that need to be built.
453ifeq ($(HOST_OS),windows)
454SDK_ONLY := true
455endif
456
457ifeq ($(SDK_ONLY),true)
458include $(TOPDIR)sdk/build/windows_sdk_whitelist.mk
459include $(TOPDIR)development/build/windows_sdk_whitelist.mk
460
461else	# !SDK_ONLY
462#
463# Typical build; include any Android.mk files we can find.
464#
465subdirs := $(TOP)
466
467FULL_BUILD := true
468
469endif	# !SDK_ONLY
470
471# Before we go and include all of the module makefiles, stash away
472# the PRODUCT_* values so that later we can verify they are not modified.
473stash_product_vars:=true
474ifeq ($(stash_product_vars),true)
475  $(call stash-product-vars, __STASHED)
476endif
477
478ifneq ($(ONE_SHOT_MAKEFILE),)
479# We've probably been invoked by the "mm" shell function
480# with a subdirectory's makefile.
481include $(ONE_SHOT_MAKEFILE)
482# Change CUSTOM_MODULES to include only modules that were
483# defined by this makefile; this will install all of those
484# modules as a side-effect.  Do this after including ONE_SHOT_MAKEFILE
485# so that the modules will be installed in the same place they
486# would have been with a normal make.
487CUSTOM_MODULES := $(sort $(call get-tagged-modules,$(ALL_MODULE_TAGS)))
488FULL_BUILD :=
489# Stub out the notice targets, which probably aren't defined
490# when using ONE_SHOT_MAKEFILE.
491NOTICE-HOST-%: ;
492NOTICE-TARGET-%: ;
493
494# A helper goal printing out install paths
495.PHONY: GET-INSTALL-PATH
496GET-INSTALL-PATH:
497	@$(foreach m, $(ALL_MODULES), $(if $(ALL_MODULES.$(m).INSTALLED), \
498		echo 'INSTALL-PATH: $(m) $(ALL_MODULES.$(m).INSTALLED)';))
499
500else # ONE_SHOT_MAKEFILE
501
502ifneq ($(dont_bother),true)
503#
504# Include all of the makefiles in the system
505#
506
507# Can't use first-makefiles-under here because
508# --mindepth=2 makes the prunes not work.
509subdir_makefiles := \
510	$(shell build/tools/findleaves.py --prune=$(OUT_DIR) --prune=.repo --prune=.git $(subdirs) Android.mk)
511
512$(foreach mk, $(subdir_makefiles), $(info including $(mk) ...)$(eval include $(mk)))
513
514endif # dont_bother
515
516endif # ONE_SHOT_MAKEFILE
517
518# Now with all Android.mks loaded we can do post cleaning steps.
519include $(BUILD_SYSTEM)/post_clean.mk
520
521ifeq ($(stash_product_vars),true)
522  $(call assert-product-vars, __STASHED)
523endif
524
525include $(BUILD_SYSTEM)/legacy_prebuilts.mk
526ifneq ($(filter-out $(GRANDFATHERED_ALL_PREBUILT),$(strip $(notdir $(ALL_PREBUILT)))),)
527  $(warning *** Some files have been added to ALL_PREBUILT.)
528  $(warning *)
529  $(warning * ALL_PREBUILT is a deprecated mechanism that)
530  $(warning * should not be used for new files.)
531  $(warning * As an alternative, use PRODUCT_COPY_FILES in)
532  $(warning * the appropriate product definition.)
533  $(warning * build/target/product/core.mk is the product)
534  $(warning * definition used in all products.)
535  $(warning *)
536  $(foreach bad_prebuilt,$(filter-out $(GRANDFATHERED_ALL_PREBUILT),$(strip $(notdir $(ALL_PREBUILT)))),$(warning * unexpected $(bad_prebuilt) in ALL_PREBUILT))
537  $(warning *)
538  $(error ALL_PREBUILT contains unexpected files)
539endif
540
541# -------------------------------------------------------------------
542# All module makefiles have been included at this point.
543# -------------------------------------------------------------------
544
545
546# -------------------------------------------------------------------
547# Fix up CUSTOM_MODULES to refer to installed files rather than
548# just bare module names.  Leave unknown modules alone in case
549# they're actually full paths to a particular file.
550known_custom_modules := $(filter $(ALL_MODULES),$(CUSTOM_MODULES))
551unknown_custom_modules := $(filter-out $(ALL_MODULES),$(CUSTOM_MODULES))
552CUSTOM_MODULES := \
553	$(call module-installed-files,$(known_custom_modules)) \
554	$(unknown_custom_modules)
555
556# -------------------------------------------------------------------
557# Define dependencies for modules that require other modules.
558# This can only happen now, after we've read in all module makefiles.
559#
560# TODO: deal with the fact that a bare module name isn't
561# unambiguous enough.  Maybe declare short targets like
562# APPS:Quake or HOST:SHARED_LIBRARIES:libutils.
563# BUG: the system image won't know to depend on modules that are
564# brought in as requirements of other modules.
565#
566# Resolve the required module name to 32-bit or 64-bit variant.
567# Get a list of corresponding 32-bit module names, if one exists.
568define get-32-bit-modules
569$(strip $(foreach m,$(1),\
570  $(if $(ALL_MODULES.$(m)$(TARGET_2ND_ARCH_MODULE_SUFFIX).CLASS),\
571    $(m)$(TARGET_2ND_ARCH_MODULE_SUFFIX))))
572endef
573# Get a list of corresponding 32-bit module names, if one exists;
574# otherwise return the original module name
575define get-32-bit-modules-if-we-can
576$(strip $(foreach m,$(1),\
577  $(if $(ALL_MODULES.$(m)$(TARGET_2ND_ARCH_MODULE_SUFFIX).CLASS),\
578    $(m)$(TARGET_2ND_ARCH_MODULE_SUFFIX),
579    $(m))))
580endef
581
582# If a module is built for 32-bit, the required modules must be 32-bit too;
583# Otherwise if the module is an exectuable or shared library,
584#   the required modules must be 64-bit;
585#   otherwise we require both 64-bit and 32-bit variant, if one exists.
586$(foreach m,$(ALL_MODULES),\
587  $(eval r := $(ALL_MODULES.$(m).REQUIRED))\
588  $(if $(r),\
589    $(if $(ALL_MODULES.$(m).FOR_2ND_ARCH),\
590      $(eval r_r := $(call get-32-bit-modules-if-we-can,$(r))),\
591      $(if $(filter EXECUTABLES SHARED_LIBRARIES,$(ALL_MODULES.$(m).CLASS)),\
592        $(eval r_r := $(r)),\
593        $(eval r_r := $(r) $(call get-32-bit-modules,$(r)))\
594       )\
595     )\
596     $(eval ALL_MODULES.$(m).REQUIRED := $(strip $(r_r)))\
597  )\
598)
599r_r :=
600
601define add-required-deps
602$(1): | $(2)
603endef
604
605$(foreach m,$(ALL_MODULES), \
606  $(eval r := $(ALL_MODULES.$(m).REQUIRED)) \
607  $(if $(r), \
608    $(eval r := $(call module-installed-files,$(r))) \
609    $(eval t_m := $(filter $(TARGET_OUT_ROOT)/%, $(ALL_MODULES.$(m).INSTALLED))) \
610    $(eval h_m := $(filter $(HOST_OUT_ROOT)/%, $(ALL_MODULES.$(m).INSTALLED))) \
611    $(eval t_r := $(filter $(TARGET_OUT_ROOT)/%, $(r))) \
612    $(eval h_r := $(filter $(HOST_OUT_ROOT)/%, $(r))) \
613    $(eval t_m := $(filter-out $(t_r), $(t_m))) \
614    $(eval h_m := $(filter-out $(h_r), $(h_m))) \
615    $(if $(t_m), $(eval $(call add-required-deps, $(t_m),$(t_r)))) \
616    $(if $(h_m), $(eval $(call add-required-deps, $(h_m),$(h_r)))) \
617   ) \
618 )
619
620t_m :=
621h_m :=
622t_r :=
623h_r :=
624
625# Establish the dependecies on the shared libraries.
626# It also adds the shared library module names to ALL_MODULES.$(m).REQUIRED,
627# so they can be expanded to product_MODULES later.
628# $(1): TARGET_ or HOST_.
629# $(2): non-empty for 2nd arch.
630define resolve-shared-libs-depes
631$(foreach m,$($(if $(2),$($(1)2ND_ARCH_VAR_PREFIX))$(1)DEPENDENCIES_ON_SHARED_LIBRARIES),\
632  $(eval p := $(subst :,$(space),$(m)))\
633  $(eval mod := $(firstword $(p)))\
634  $(eval deps := $(subst $(comma),$(space),$(lastword $(p))))\
635  $(if $(2),$(eval deps := $(addsuffix $($(1)2ND_ARCH_MODULE_SUFFIX),$(deps))))\
636  $(eval r := $(filter $($(1)OUT_ROOT)/%,$(call module-installed-files,\
637    $(deps))))\
638  $(eval $(call add-required-deps,$(word 2,$(p)),$(r)))\
639  $(eval ALL_MODULES.$(mod).REQUIRED += $(deps)))
640endef
641
642$(call resolve-shared-libs-depes,TARGET_)
643ifdef TARGET_2ND_ARCH
644$(call resolve-shared-libs-depes,TARGET_,true)
645endif
646$(call resolve-shared-libs-depes,HOST_)
647ifdef HOST_2ND_ARCH
648$(call resolve-shared-libs-depes,HOST_,true)
649endif
650
651m :=
652r :=
653p :=
654deps :=
655add-required-deps :=
656
657# -------------------------------------------------------------------
658# Figure out our module sets.
659#
660# Of the modules defined by the component makefiles,
661# determine what we actually want to build.
662
663###########################################################
664## Expand a module name list with REQUIRED modules
665###########################################################
666# $(1): The variable name that holds the initial module name list.
667#       the variable will be modified to hold the expanded results.
668# $(2): The initial module name list.
669# Returns empty string (maybe with some whitespaces).
670define expand-required-modules
671$(eval _erm_new_modules := $(sort $(filter-out $($(1)),\
672  $(foreach m,$(2),$(ALL_MODULES.$(m).REQUIRED)))))\
673$(if $(_erm_new_modules),$(eval $(1) += $(_erm_new_modules))\
674  $(call expand-required-modules,$(1),$(_erm_new_modules)))
675endef
676
677ifdef FULL_BUILD
678  # The base list of modules to build for this product is specified
679  # by the appropriate product definition file, which was included
680  # by product_config.mk.
681  product_MODULES := $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES)
682  # Filter out the overridden packages before doing expansion
683  product_MODULES := $(filter-out $(foreach p, $(product_MODULES), \
684      $(PACKAGES.$(p).OVERRIDES)), $(product_MODULES))
685
686  # Resolve the :32 :64 module name
687  modules_32 := $(patsubst %:32,%,$(filter %:32, $(product_MODULES)))
688  modules_64 := $(patsubst %:64,%,$(filter %:64, $(product_MODULES)))
689  modules_rest := $(filter-out %:32 %:64,$(product_MODULES))
690  # Note for 32-bit product, $(modules_32) and $(modules_64) will be
691  # added as their original module names.
692  product_MODULES := $(call get-32-bit-modules-if-we-can, $(modules_32))
693  product_MODULES += $(modules_64)
694  # For the rest we add both
695  product_MODULES += $(call get-32-bit-modules, $(modules_rest))
696  product_MODULES += $(modules_rest)
697
698  $(call expand-required-modules,product_MODULES,$(product_MODULES))
699
700  product_FILES := $(call module-installed-files, $(product_MODULES))
701  ifeq (0,1)
702    $(info product_FILES for $(TARGET_DEVICE) ($(INTERNAL_PRODUCT)):)
703    $(foreach p,$(product_FILES),$(info :   $(p)))
704    $(error done)
705  endif
706else
707  # We're not doing a full build, and are probably only including
708  # a subset of the module makefiles.  Don't try to build any modules
709  # requested by the product, because we probably won't have rules
710  # to build them.
711  product_FILES :=
712endif
713
714eng_MODULES := $(sort \
715        $(call get-tagged-modules,eng) \
716        $(call module-installed-files, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES_ENG)) \
717    )
718debug_MODULES := $(sort \
719        $(call get-tagged-modules,debug) \
720        $(call module-installed-files, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES_DEBUG)) \
721    )
722tests_MODULES := $(sort \
723        $(call get-tagged-modules,tests) \
724        $(call module-installed-files, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES_TESTS)) \
725    )
726
727# TODO: Remove the 3 places in the tree that use ALL_DEFAULT_INSTALLED_MODULES
728# and get rid of it from this list.
729modules_to_install := $(sort \
730    $(ALL_DEFAULT_INSTALLED_MODULES) \
731    $(product_FILES) \
732    $(foreach tag,$(tags_to_install),$($(tag)_MODULES)) \
733    $(CUSTOM_MODULES) \
734  )
735
736# Some packages may override others using LOCAL_OVERRIDES_PACKAGES.
737# Filter out (do not install) any overridden packages.
738overridden_packages := $(call get-package-overrides,$(modules_to_install))
739ifdef overridden_packages
740#  old_modules_to_install := $(modules_to_install)
741  modules_to_install := \
742      $(filter-out $(foreach p,$(overridden_packages),$(p) %/$(p).apk), \
743          $(modules_to_install))
744endif
745#$(error filtered out
746#           $(filter-out $(modules_to_install),$(old_modules_to_install)))
747
748# Don't include any GNU targets in the SDK.  It's ok (and necessary)
749# to build the host tools, but nothing that's going to be installed
750# on the target (including static libraries).
751ifdef is_sdk_build
752  target_gnu_MODULES := \
753              $(filter \
754                      $(TARGET_OUT_INTERMEDIATES)/% \
755                      $(TARGET_OUT)/% \
756                      $(TARGET_OUT_DATA)/%, \
757                              $(sort $(call get-tagged-modules,gnu)))
758  $(info Removing from sdk:)$(foreach d,$(target_gnu_MODULES),$(info : $(d)))
759  modules_to_install := \
760              $(filter-out $(target_gnu_MODULES),$(modules_to_install))
761
762  # Ensure every module listed in PRODUCT_PACKAGES* gets something installed
763  # TODO: Should we do this for all builds and not just the sdk?
764  dangling_modules :=
765  $(foreach m, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES), \
766    $(if $(strip $(ALL_MODULES.$(m).INSTALLED) $(ALL_MODULES.$(m)$(TARGET_2ND_ARCH_MODULE_SUFFIX).INSTALLED)),,\
767      $(eval dangling_modules += $(m))))
768  ifneq ($(dangling_modules),)
769    $(warning: Modules '$(dangling_modules)' in PRODUCT_PACKAGES have nothing to install!)
770  endif
771  $(foreach m, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES_DEBUG), \
772    $(if $(strip $(ALL_MODULES.$(m).INSTALLED)),,\
773      $(warning $(ALL_MODULES.$(m).MAKEFILE): Module '$(m)' in PRODUCT_PACKAGES_DEBUG has nothing to install!)))
774  $(foreach m, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES_ENG), \
775    $(if $(strip $(ALL_MODULES.$(m).INSTALLED)),,\
776      $(warning $(ALL_MODULES.$(m).MAKEFILE): Module '$(m)' in PRODUCT_PACKAGES_ENG has nothing to install!)))
777  $(foreach m, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES_TESTS), \
778    $(if $(strip $(ALL_MODULES.$(m).INSTALLED)),,\
779      $(warning $(ALL_MODULES.$(m).MAKEFILE): Module '$(m)' in PRODUCT_PACKAGES_TESTS has nothing to install!)))
780endif
781
782# build/core/Makefile contains extra stuff that we don't want to pollute this
783# top-level makefile with.  It expects that ALL_DEFAULT_INSTALLED_MODULES
784# contains everything that's built during the current make, but it also further
785# extends ALL_DEFAULT_INSTALLED_MODULES.
786ALL_DEFAULT_INSTALLED_MODULES := $(modules_to_install)
787include $(BUILD_SYSTEM)/Makefile
788modules_to_install := $(sort $(ALL_DEFAULT_INSTALLED_MODULES))
789ALL_DEFAULT_INSTALLED_MODULES :=
790
791
792# These are additional goals that we build, in order to make sure that there
793# is as little code as possible in the tree that doesn't build.
794modules_to_check := $(foreach m,$(ALL_MODULES),$(ALL_MODULES.$(m).CHECKED))
795
796# If you would like to build all goals, and not skip any intermediate
797# steps, you can pass the "all" modifier goal on the commandline.
798ifneq ($(filter all,$(MAKECMDGOALS)),)
799modules_to_check += $(foreach m,$(ALL_MODULES),$(ALL_MODULES.$(m).BUILT))
800endif
801
802# for easier debugging
803modules_to_check := $(sort $(modules_to_check))
804#$(error modules_to_check $(modules_to_check))
805
806# -------------------------------------------------------------------
807# This is used to to get the ordering right, you can also use these,
808# but they're considered undocumented, so don't complain if their
809# behavior changes.
810.PHONY: prebuilt
811prebuilt: $(ALL_PREBUILT)
812
813# An internal target that depends on all copied headers
814# (see copy_headers.make).  Other targets that need the
815# headers to be copied first can depend on this target.
816.PHONY: all_copied_headers
817all_copied_headers: ;
818
819$(ALL_C_CPP_ETC_OBJECTS): | all_copied_headers
820
821# All the droid stuff, in directories
822.PHONY: files
823files: prebuilt \
824        $(modules_to_install) \
825        $(INSTALLED_ANDROID_INFO_TXT_TARGET)
826
827# -------------------------------------------------------------------
828
829.PHONY: checkbuild
830checkbuild: $(modules_to_check)
831ifeq (true,$(ANDROID_BUILD_EVERYTHING_BY_DEFAULT)$(filter $(MAKECMDGOALS),checkbuild))
832droid: checkbuild
833else
834# ANDROID_BUILD_EVERYTHING_BY_DEFAULT not set, or checkbuild is one of the cmd goals.
835checkbuild: droid
836endif
837
838.PHONY: ramdisk
839ramdisk: $(INSTALLED_RAMDISK_TARGET)
840
841.PHONY: systemtarball
842systemtarball: $(INSTALLED_SYSTEMTARBALL_TARGET)
843
844.PHONY: boottarball
845boottarball: $(INSTALLED_BOOTTARBALL_TARGET)
846
847.PHONY: userdataimage
848userdataimage: $(INSTALLED_USERDATAIMAGE_TARGET)
849
850ifneq (,$(filter userdataimage, $(MAKECMDGOALS)))
851$(call dist-for-goals, userdataimage, $(BUILT_USERDATAIMAGE_TARGET))
852endif
853
854.PHONY: userdatatarball
855userdatatarball: $(INSTALLED_USERDATATARBALL_TARGET)
856
857.PHONY: cacheimage
858cacheimage: $(INSTALLED_CACHEIMAGE_TARGET)
859
860.PHONY: vendorimage
861vendorimage: $(INSTALLED_VENDORIMAGE_TARGET)
862
863.PHONY: bootimage
864bootimage: $(INSTALLED_BOOTIMAGE_TARGET)
865
866# phony target that include any targets in $(ALL_MODULES)
867.PHONY: all_modules
868ifndef BUILD_MODULES_IN_PATHS
869all_modules: $(ALL_MODULES)
870else
871# BUILD_MODULES_IN_PATHS is a list of paths relative to the top of the tree
872build_modules_in_paths := $(patsubst ./%,%,$(BUILD_MODULES_IN_PATHS))
873module_path_patterns := $(foreach p, $(build_modules_in_paths),\
874    $(if $(filter %/,$(p)),$(p)%,$(p)/%))
875my_all_modules := $(sort $(foreach m, $(ALL_MODULES),$(if $(filter\
876    $(module_path_patterns), $(addsuffix /,$(ALL_MODULES.$(m).PATH))),$(m))))
877all_modules: $(my_all_modules)
878endif
879
880
881# Build files and then package it into the rom formats
882.PHONY: droidcore
883droidcore: files \
884	systemimage \
885	$(INSTALLED_BOOTIMAGE_TARGET) \
886	$(INSTALLED_RECOVERYIMAGE_TARGET) \
887	$(INSTALLED_USERDATAIMAGE_TARGET) \
888	$(INSTALLED_CACHEIMAGE_TARGET) \
889	$(INSTALLED_VENDORIMAGE_TARGET) \
890	$(INSTALLED_FILES_FILE)
891
892# dist_files only for putting your library into the dist directory with a full build.
893.PHONY: dist_files
894
895ifneq ($(TARGET_BUILD_APPS),)
896  # If this build is just for apps, only build apps and not the full system by default.
897
898  unbundled_build_modules :=
899  ifneq ($(filter all,$(TARGET_BUILD_APPS)),)
900    # If they used the magic goal "all" then build all apps in the source tree.
901    unbundled_build_modules := $(foreach m,$(sort $(ALL_MODULES)),$(if $(filter APPS,$(ALL_MODULES.$(m).CLASS)),$(m)))
902  else
903    unbundled_build_modules := $(TARGET_BUILD_APPS)
904  endif
905
906  # Dist the installed files if they exist.
907  apps_only_installed_files := $(foreach m,$(unbundled_build_modules),$(ALL_MODULES.$(m).INSTALLED))
908  $(call dist-for-goals,apps_only, $(apps_only_installed_files))
909  # For uninstallable modules such as static Java library, we have to dist the built file,
910  # as <module_name>.<suffix>
911  apps_only_dist_built_files := $(foreach m,$(unbundled_build_modules),$(if $(ALL_MODULES.$(m).INSTALLED),,\
912      $(if $(ALL_MODULES.$(m).BUILT),$(ALL_MODULES.$(m).BUILT):$(m)$(suffix $(ALL_MODULES.$(m).BUILT)))))
913  $(call dist-for-goals,apps_only, $(apps_only_dist_built_files))
914
915  ifeq ($(EMMA_INSTRUMENT),true)
916    $(EMMA_META_ZIP) : $(apps_only_installed_files)
917
918    $(call dist-for-goals,apps_only, $(EMMA_META_ZIP))
919  endif
920
921  $(PROGUARD_DICT_ZIP) : $(apps_only_installed_files)
922  $(call dist-for-goals,apps_only, $(PROGUARD_DICT_ZIP))
923
924  $(SYMBOLS_ZIP) : $(apps_only_installed_files)
925  $(call dist-for-goals,apps_only, $(SYMBOLS_ZIP))
926
927.PHONY: apps_only
928apps_only: $(unbundled_build_modules)
929
930droid: apps_only
931
932# Combine the NOTICE files for a apps_only build
933$(eval $(call combine-notice-files, \
934    $(target_notice_file_txt), \
935    $(target_notice_file_html), \
936    "Notices for files for apps:", \
937    $(TARGET_OUT_NOTICE_FILES), \
938    $(apps_only_installed_files)))
939
940
941else # TARGET_BUILD_APPS
942  $(call dist-for-goals, droidcore, \
943    $(INTERNAL_UPDATE_PACKAGE_TARGET) \
944    $(INTERNAL_OTA_PACKAGE_TARGET) \
945    $(BUILT_OTATOOLS_PACKAGE) \
946    $(SYMBOLS_ZIP) \
947    $(INSTALLED_FILES_FILE) \
948    $(INSTALLED_BUILD_PROP_TARGET) \
949    $(BUILT_TARGET_FILES_PACKAGE) \
950    $(INSTALLED_ANDROID_INFO_TXT_TARGET) \
951    $(INSTALLED_RAMDISK_TARGET) \
952   )
953
954  # Put a copy of the radio/bootloader files in the dist dir.
955  $(foreach f,$(INSTALLED_RADIOIMAGE_TARGET), \
956    $(call dist-for-goals, droidcore, $(f)))
957
958  ifneq ($(ANDROID_BUILD_EMBEDDED),true)
959  ifneq ($(TARGET_BUILD_PDK),true)
960    $(call dist-for-goals, droidcore, \
961      $(APPS_ZIP) \
962      $(INTERNAL_EMULATOR_PACKAGE_TARGET) \
963      $(PACKAGE_STATS_FILE) \
964    )
965  endif
966  endif
967
968  ifeq ($(EMMA_INSTRUMENT),true)
969    $(EMMA_META_ZIP) : $(INSTALLED_SYSTEMIMAGE)
970
971    $(call dist-for-goals, dist_files, $(EMMA_META_ZIP))
972  endif
973
974# Building a full system-- the default is to build droidcore
975droid: droidcore dist_files
976
977endif # TARGET_BUILD_APPS
978
979.PHONY: docs
980docs: $(ALL_DOCS)
981
982.PHONY: sdk
983ALL_SDK_TARGETS := $(INTERNAL_SDK_TARGET)
984sdk: $(ALL_SDK_TARGETS)
985$(call dist-for-goals,sdk win_sdk, \
986    $(ALL_SDK_TARGETS) \
987    $(SYMBOLS_ZIP) \
988    $(INSTALLED_BUILD_PROP_TARGET) \
989)
990
991# umbrella targets to assit engineers in verifying builds
992.PHONY: java native target host java-host java-target native-host native-target \
993        java-host-tests java-target-tests native-host-tests native-target-tests \
994        java-tests native-tests host-tests target-tests tests
995# some synonyms
996.PHONY: host-java target-java host-native target-native \
997        target-java-tests target-native-tests
998host-java : java-host
999target-java : java-target
1000host-native : native-host
1001target-native : native-target
1002target-java-tests : java-target-tests
1003target-native-tests : native-target-tests
1004tests : host-tests target-tests
1005
1006# To catch more build breakage, check build tests modules in eng and userdebug builds.
1007ifneq ($(ANDROID_NO_TEST_CHECK),true)
1008ifneq ($(TARGET_BUILD_PDK),true)
1009ifneq ($(filter eng userdebug,$(TARGET_BUILD_VARIANT)),)
1010droidcore : target-tests host-tests
1011endif
1012endif
1013endif
1014
1015ifneq (,$(filter samplecode, $(MAKECMDGOALS)))
1016.PHONY: samplecode
1017sample_MODULES := $(sort $(call get-tagged-modules,samples))
1018sample_APKS_DEST_PATH := $(TARGET_COMMON_OUT_ROOT)/samples
1019sample_APKS_COLLECTION := \
1020        $(foreach module,$(sample_MODULES),$(sample_APKS_DEST_PATH)/$(notdir $(module)))
1021$(foreach module,$(sample_MODULES),$(eval $(call \
1022        copy-one-file,$(module),$(sample_APKS_DEST_PATH)/$(notdir $(module)))))
1023sample_ADDITIONAL_INSTALLED := \
1024        $(filter-out $(modules_to_install) $(modules_to_check) $(ALL_PREBUILT),$(sample_MODULES))
1025samplecode: $(sample_APKS_COLLECTION)
1026	@echo "Collect sample code apks: $^"
1027	# remove apks that are not intended to be installed.
1028	rm -f $(sample_ADDITIONAL_INSTALLED)
1029endif  # samplecode in $(MAKECMDGOALS)
1030
1031.PHONY: findbugs
1032findbugs: $(INTERNAL_FINDBUGS_HTML_TARGET) $(INTERNAL_FINDBUGS_XML_TARGET)
1033
1034.PHONY: clean
1035clean:
1036	@rm -rf $(OUT_DIR)/*
1037	@echo "Entire build directory removed."
1038
1039.PHONY: clobber
1040clobber: clean
1041
1042# The rules for dataclean and installclean are defined in cleanbuild.mk.
1043
1044#xxx scrape this from ALL_MODULE_NAME_TAGS
1045.PHONY: modules
1046modules:
1047	@echo "Available sub-modules:"
1048	@echo "$(call module-names-for-tag-list,$(ALL_MODULE_TAGS))" | \
1049	      tr -s ' ' '\n' | sort -u | $(COLUMN)
1050
1051.PHONY: showcommands
1052showcommands:
1053	@echo >/dev/null
1054
1055.PHONY: nothing
1056nothing:
1057	@echo Successfully read the makefiles.
1058endif # !USE_NINJA
1059