main.mk revision a5184806be4f6b03eae1c131c032d3d97b6d9de6
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 := $(TOP)/
38#endif
39
40# Check for broken versions of make.
41# (Allow any version under Cygwin since we don't actually build the platform there.)
42ifeq (,$(findstring CYGWIN,$(shell uname -sm)))
43ifneq (1,$(strip $(shell expr $(MAKE_VERSION) \>= 3.81)))
44$(warning ********************************************************************************)
45$(warning *  You are using version $(MAKE_VERSION) of make.)
46$(warning *  Android can only be built by versions 3.81 and higher.)
47$(warning *  see https://source.android.com/source/download.html)
48$(warning ********************************************************************************)
49$(error stopping)
50endif
51endif
52
53# Absolute path of the present working direcotry.
54# This overrides the shell variable $PWD, which does not necessarily points to
55# the top of the source tree, for example when "make -C" is used in m/mm/mmm.
56PWD := $(shell pwd)
57
58TOP := .
59TOPDIR :=
60
61BUILD_SYSTEM := $(TOPDIR)build/core
62
63# This is the default target.  It must be the first declared target.
64.PHONY: droid
65DEFAULT_GOAL := droid
66$(DEFAULT_GOAL):
67
68# Used to force goals to build.  Only use for conditionally defined goals.
69.PHONY: FORCE
70FORCE:
71
72# These goals don't need to collect and include Android.mks/CleanSpec.mks
73# in the source tree.
74dont_bother_goals := clean clobber dataclean installclean \
75    help out \
76    snod systemimage-nodeps \
77    stnod systemtarball-nodeps \
78    userdataimage-nodeps userdatatarball-nodeps \
79    cacheimage-nodeps \
80    vendorimage-nodeps \
81    ramdisk-nodeps \
82    bootimage-nodeps \
83    recoveryimage-nodeps
84
85ifneq ($(filter $(dont_bother_goals), $(MAKECMDGOALS)),)
86dont_bother := true
87endif
88
89# Targets that provide quick help on the build system.
90include $(BUILD_SYSTEM)/help.mk
91
92# Set up various standard variables based on configuration
93# and host information.
94include $(BUILD_SYSTEM)/config.mk
95
96# Write the build number to a file so it can be read back in
97# without changing the command line every time.  Avoids rebuilds
98# when using ninja.
99$(shell mkdir -p $(OUT_DIR) && echo -n $(BUILD_NUMBER) > $(OUT_DIR)/build_number.txt)
100BUILD_NUMBER_FROM_FILE := $$(cat $(OUT_DIR)/build_number.txt)
101
102# CTS-specific config.
103-include cts/build/config.mk
104
105# This allows us to force a clean build - included after the config.mk
106# environment setup is done, but before we generate any dependencies.  This
107# file does the rm -rf inline so the deps which are all done below will
108# be generated correctly
109include $(BUILD_SYSTEM)/cleanbuild.mk
110
111# Include the google-specific config
112-include vendor/google/build/config.mk
113
114VERSION_CHECK_SEQUENCE_NUMBER := 5
115-include $(OUT_DIR)/versions_checked.mk
116ifneq ($(VERSION_CHECK_SEQUENCE_NUMBER),$(VERSIONS_CHECKED))
117
118$(info Checking build tools versions...)
119
120ifneq ($(HOST_OS),windows)
121# check for a case sensitive file system
122ifneq (a,$(shell mkdir -p $(OUT_DIR) ; \
123                echo a > $(OUT_DIR)/casecheck.txt; \
124                    echo B > $(OUT_DIR)/CaseCheck.txt; \
125                cat $(OUT_DIR)/casecheck.txt))
126$(warning ************************************************************)
127$(warning You are building on a case-insensitive filesystem.)
128$(warning Please move your source tree to a case-sensitive filesystem.)
129$(warning ************************************************************)
130$(error Case-insensitive filesystems not supported)
131endif
132endif
133
134# Make sure that there are no spaces in the absolute path; the
135# build system can't deal with them.
136ifneq ($(words $(shell pwd)),1)
137$(warning ************************************************************)
138$(warning You are building in a directory whose absolute path contains)
139$(warning a space character:)
140$(warning $(space))
141$(warning "$(shell pwd)")
142$(warning $(space))
143$(warning Please move your source tree to a path that does not contain)
144$(warning any spaces.)
145$(warning ************************************************************)
146$(error Directory names containing spaces not supported)
147endif
148
149java_version_str := $(shell unset _JAVA_OPTIONS && java -version 2>&1)
150javac_version_str := $(shell unset _JAVA_OPTIONS && javac -version 2>&1)
151
152# Check for the correct version of java, should be 1.7 by
153# default, and 1.8 if EXPERIMENTAL_USE_JAVA8 is set
154ifneq ($(EXPERIMENTAL_USE_JAVA8),)
155required_version := "1.8.x"
156required_javac_version := "1.8"
157java_version := $(shell echo '$(java_version_str)' | grep 'openjdk .*[ "]1\.8[\. "$$]')
158javac_version := $(shell echo '$(javac_version_str)' | grep '[ "]1\.8[\. "$$]')
159else # default
160required_version := "1.7.x"
161required_javac_version := "1.7"
162java_version := $(shell echo '$(java_version_str)' | grep '^java .*[ "]1\.7[\. "$$]')
163javac_version := $(shell echo '$(javac_version_str)' | grep '[ "]1\.7[\. "$$]')
164endif # if EXPERIMENTAL_USE_JAVA8
165
166ifeq ($(strip $(java_version)),)
167$(info ************************************************************)
168$(info You are attempting to build with the incorrect version)
169$(info of java.)
170$(info $(space))
171$(info Your version is: $(java_version_str).)
172$(info The required version is: $(required_version))
173$(info $(space))
174$(info Please follow the machine setup instructions at)
175$(info $(space)$(space)$(space)$(space)https://source.android.com/source/initializing.html)
176$(info ************************************************************)
177$(error stop)
178endif
179
180# Check for the current JDK.
181#
182# For Java 1.7, we require OpenJDK on linux and Oracle JDK on Mac OS.
183requires_openjdk := false
184ifeq ($(BUILD_OS),linux)
185requires_openjdk := true
186endif
187
188
189# Check for the current jdk
190ifeq ($(requires_openjdk), true)
191# The user asked for java7 openjdk, so check that the host
192# java version is really openjdk
193ifeq ($(shell echo '$(java_version_str)' | grep -i openjdk),)
194$(info ************************************************************)
195$(info You asked for an OpenJDK 7 build but your version is)
196$(info $(java_version_str).)
197$(info ************************************************************)
198$(error stop)
199endif # java version is not OpenJdk
200else # if requires_openjdk
201ifneq ($(shell echo '$(java_version_str)' | grep -i openjdk),)
202$(info ************************************************************)
203$(info You are attempting to build with an unsupported JDK.)
204$(info $(space))
205$(info You use OpenJDK but only Sun/Oracle JDK is supported.)
206$(info Please follow the machine setup instructions at)
207$(info $(space)$(space)$(space)$(space)https://source.android.com/source/download.html)
208$(info ************************************************************)
209$(error stop)
210endif # java version is not Sun Oracle JDK
211endif # if requires_openjdk
212
213# Check for the correct version of javac
214ifeq ($(strip $(javac_version)),)
215$(info ************************************************************)
216$(info You are attempting to build with the incorrect version)
217$(info of javac.)
218$(info $(space))
219$(info Your version is: $(javac_version_str).)
220$(info The required version is: $(required_javac_version))
221$(info $(space))
222$(info Please follow the machine setup instructions at)
223$(info $(space)$(space)$(space)$(space)https://source.android.com/source/download.html)
224$(info ************************************************************)
225$(error stop)
226endif
227
228
229ifndef BUILD_EMULATOR
230  # Emulator binaries are now provided under prebuilts/android-emulator/
231  BUILD_EMULATOR := false
232endif
233
234$(shell echo 'VERSIONS_CHECKED := $(VERSION_CHECK_SEQUENCE_NUMBER)' \
235        > $(OUT_DIR)/versions_checked.mk)
236$(shell echo 'BUILD_EMULATOR ?= $(BUILD_EMULATOR)' \
237        >> $(OUT_DIR)/versions_checked.mk)
238endif
239
240# These are the modifier targets that don't do anything themselves, but
241# change the behavior of the build.
242# (must be defined before including definitions.make)
243INTERNAL_MODIFIER_TARGETS := showcommands all incrementaljavac
244
245.PHONY: incrementaljavac
246incrementaljavac: ;
247
248# WARNING:
249# ENABLE_INCREMENTALJAVAC should NOT be enabled by default, because change of
250# a Java source file won't trigger rebuild of its dependent Java files.
251# You can only enable it by adding "incrementaljavac" to your make command line.
252# You are responsible for the correctness of the incremental build.
253# This may decrease incremental build time dramatically for large Java libraries,
254# such as core.jar, framework.jar, etc.
255ENABLE_INCREMENTALJAVAC :=
256ifneq (,$(filter incrementaljavac, $(MAKECMDGOALS)))
257ENABLE_INCREMENTALJAVAC := true
258MAKECMDGOALS := $(filter-out incrementaljavac, $(MAKECMDGOALS))
259endif
260
261# EMMA_INSTRUMENT_STATIC merges the static emma library to each emma-enabled module.
262ifeq (true,$(EMMA_INSTRUMENT_STATIC))
263EMMA_INSTRUMENT := true
264endif
265
266# Bring in standard build system definitions.
267include $(BUILD_SYSTEM)/definitions.mk
268
269# Bring in dex_preopt.mk
270include $(BUILD_SYSTEM)/dex_preopt.mk
271
272ifneq ($(filter user userdebug eng,$(MAKECMDGOALS)),)
273$(info ***************************************************************)
274$(info ***************************************************************)
275$(info Do not pass '$(filter user userdebug eng,$(MAKECMDGOALS))' on \
276       the make command line.)
277$(info Set TARGET_BUILD_VARIANT in buildspec.mk, or use lunch or)
278$(info choosecombo.)
279$(info ***************************************************************)
280$(info ***************************************************************)
281$(error stopping)
282endif
283
284ifneq ($(filter-out $(INTERNAL_VALID_VARIANTS),$(TARGET_BUILD_VARIANT)),)
285$(info ***************************************************************)
286$(info ***************************************************************)
287$(info Invalid variant: $(TARGET_BUILD_VARIANT))
288$(info Valid values are: $(INTERNAL_VALID_VARIANTS))
289$(info ***************************************************************)
290$(info ***************************************************************)
291$(error stopping)
292endif
293
294# -----------------------------------------------------------------
295# Variable to check java support level inside PDK build.
296# Not necessary if the components is not in PDK.
297# not defined : not supported
298# "sdk" : sdk API only
299# "platform" : platform API supproted
300TARGET_BUILD_JAVA_SUPPORT_LEVEL := platform
301
302# -----------------------------------------------------------------
303# The pdk (Platform Development Kit) build
304include build/core/pdk_config.mk
305
306# -----------------------------------------------------------------
307###
308### In this section we set up the things that are different
309### between the build variants
310###
311
312is_sdk_build :=
313
314ifneq ($(filter sdk win_sdk sdk_addon,$(MAKECMDGOALS)),)
315is_sdk_build := true
316endif
317
318# Add build properties for ART. These define system properties used by installd
319# to pass flags to dex2oat.
320ADDITIONAL_BUILD_PROPERTIES += persist.sys.dalvik.vm.lib.2=libart
321ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_ARCH).variant=$(DEX2OAT_TARGET_CPU_VARIANT)
322ifneq ($(DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES),)
323  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_ARCH).features=$(DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES)
324endif
325
326ifdef TARGET_2ND_ARCH
327  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_2ND_ARCH).variant=$($(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_CPU_VARIANT)
328  ifneq ($($(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES),)
329    ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_2ND_ARCH).features=$($(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES)
330  endif
331endif
332
333## user/userdebug ##
334
335user_variant := $(filter user userdebug,$(TARGET_BUILD_VARIANT))
336enable_target_debugging := true
337tags_to_install :=
338ifneq (,$(user_variant))
339  # Target is secure in user builds.
340  ADDITIONAL_DEFAULT_PROPERTIES += ro.secure=1
341
342  ifeq ($(user_variant),userdebug)
343    # Pick up some extra useful tools
344    tags_to_install += debug
345  else
346    # Disable debugging in plain user builds.
347    enable_target_debugging :=
348  endif
349
350  # Turn on Dalvik preoptimization for user builds, but only if not
351  # explicitly disabled and the build is running on Linux (since host
352  # Dalvik isn't built for non-Linux hosts).
353  ifeq (,$(WITH_DEXPREOPT))
354    ifeq ($(user_variant),user)
355      ifeq ($(HOST_OS),linux)
356        # TODO: turn on WITH_DEXPREOPT for libart user builds.
357        # WITH_DEXPREOPT := true
358      endif
359    endif
360  endif
361
362  # Disallow mock locations by default for user builds
363  ADDITIONAL_DEFAULT_PROPERTIES += ro.allow.mock.location=0
364
365else # !user_variant
366  # Turn on checkjni for non-user builds.
367  ADDITIONAL_BUILD_PROPERTIES += ro.kernel.android.checkjni=1
368  # Set device insecure for non-user builds.
369  ADDITIONAL_DEFAULT_PROPERTIES += ro.secure=0
370  # Allow mock locations by default for non user builds
371  ADDITIONAL_DEFAULT_PROPERTIES += ro.allow.mock.location=1
372endif # !user_variant
373
374ifeq (true,$(strip $(enable_target_debugging)))
375  # Target is more debuggable and adbd is on by default
376  ADDITIONAL_DEFAULT_PROPERTIES += ro.debuggable=1
377  # Enable Dalvik lock contention logging.
378  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.lockprof.threshold=500
379  # Include the debugging/testing OTA keys in this build.
380  INCLUDE_TEST_OTA_KEYS := true
381else # !enable_target_debugging
382  # Target is less debuggable and adbd is off by default
383  ADDITIONAL_DEFAULT_PROPERTIES += ro.debuggable=0
384endif # !enable_target_debugging
385
386## eng ##
387
388ifeq ($(TARGET_BUILD_VARIANT),eng)
389tags_to_install := debug eng
390ifneq ($(filter ro.setupwizard.mode=ENABLED, $(call collapse-pairs, $(ADDITIONAL_BUILD_PROPERTIES))),)
391  # Don't require the setup wizard on eng builds
392  ADDITIONAL_BUILD_PROPERTIES := $(filter-out ro.setupwizard.mode=%,\
393          $(call collapse-pairs, $(ADDITIONAL_BUILD_PROPERTIES))) \
394          ro.setupwizard.mode=OPTIONAL
395endif
396ifndef is_sdk_build
397  # Don't verify or compile the image on eng builds to speed startup.
398  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.image-dex2oat-filter=verify-at-runtime
399  # Don't verify or compile apps on eng builds to speed startup.
400  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.dex2oat-filter=verify-at-runtime
401endif
402  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.usejit=true
403endif
404
405## sdk ##
406
407ifdef is_sdk_build
408
409# Detect if we want to build a repository for the SDK
410sdk_repo_goal := $(strip $(filter sdk_repo,$(MAKECMDGOALS)))
411MAKECMDGOALS := $(strip $(filter-out sdk_repo,$(MAKECMDGOALS)))
412
413ifneq ($(words $(filter-out $(INTERNAL_MODIFIER_TARGETS) checkbuild emulator_tests target-files-package,$(MAKECMDGOALS))),1)
414$(error The 'sdk' target may not be specified with any other targets)
415endif
416
417# TODO: this should be eng I think.  Since the sdk is built from the eng
418# variant.
419tags_to_install := debug eng
420ADDITIONAL_BUILD_PROPERTIES += xmpp.auto-presence=true
421ADDITIONAL_BUILD_PROPERTIES += ro.config.nocheckin=yes
422else # !sdk
423endif
424
425BUILD_WITHOUT_PV := true
426
427ADDITIONAL_BUILD_PROPERTIES += net.bt.name=Android
428
429# enable vm tracing in files for now to help track
430# the cause of ANRs in the content process
431ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.stack-trace-file=/data/anr/traces.txt
432
433# ------------------------------------------------------------
434# Define a function that, given a list of module tags, returns
435# non-empty if that module should be installed in /system.
436
437# For most goals, anything not tagged with the "tests" tag should
438# be installed in /system.
439define should-install-to-system
440$(if $(filter tests,$(1)),,true)
441endef
442
443ifdef is_sdk_build
444# For the sdk goal, anything with the "samples" tag should be
445# installed in /data even if that module also has "eng"/"debug"/"user".
446define should-install-to-system
447$(if $(filter samples tests,$(1)),,true)
448endef
449endif
450
451
452# If they only used the modifier goals (showcommands, etc), we'll actually
453# build the default target.
454ifeq ($(filter-out $(INTERNAL_MODIFIER_TARGETS),$(MAKECMDGOALS)),)
455.PHONY: $(INTERNAL_MODIFIER_TARGETS)
456$(INTERNAL_MODIFIER_TARGETS): $(DEFAULT_GOAL)
457endif
458
459# Bring in all modules that need to be built.
460ifeq ($(HOST_OS),windows)
461SDK_ONLY := true
462endif
463
464ifeq ($(SDK_ONLY),true)
465include $(TOPDIR)sdk/build/windows_sdk_whitelist.mk
466include $(TOPDIR)development/build/windows_sdk_whitelist.mk
467
468# Exclude tools/acp when cross-compiling windows under linux
469ifeq ($(findstring Linux,$(UNAME)),)
470subdirs += build/tools/acp
471endif
472
473else	# !SDK_ONLY
474#
475# Typical build; include any Android.mk files we can find.
476#
477subdirs := $(TOP)
478
479FULL_BUILD := true
480
481endif	# !SDK_ONLY
482
483# Before we go and include all of the module makefiles, stash away
484# the PRODUCT_* values so that later we can verify they are not modified.
485stash_product_vars:=true
486ifeq ($(stash_product_vars),true)
487  $(call stash-product-vars, __STASHED)
488endif
489
490ifneq ($(ONE_SHOT_MAKEFILE),)
491# We've probably been invoked by the "mm" shell function
492# with a subdirectory's makefile.
493include $(ONE_SHOT_MAKEFILE)
494# Change CUSTOM_MODULES to include only modules that were
495# defined by this makefile; this will install all of those
496# modules as a side-effect.  Do this after including ONE_SHOT_MAKEFILE
497# so that the modules will be installed in the same place they
498# would have been with a normal make.
499CUSTOM_MODULES := $(sort $(call get-tagged-modules,$(ALL_MODULE_TAGS)))
500FULL_BUILD :=
501# Stub out the notice targets, which probably aren't defined
502# when using ONE_SHOT_MAKEFILE.
503NOTICE-HOST-%: ;
504NOTICE-TARGET-%: ;
505
506# A helper goal printing out install paths
507.PHONY: GET-INSTALL-PATH
508GET-INSTALL-PATH:
509	@$(foreach m, $(ALL_MODULES), $(if $(ALL_MODULES.$(m).INSTALLED), \
510		echo 'INSTALL-PATH: $(m) $(ALL_MODULES.$(m).INSTALLED)';))
511
512else # ONE_SHOT_MAKEFILE
513
514ifneq ($(dont_bother),true)
515#
516# Include all of the makefiles in the system
517#
518
519# Can't use first-makefiles-under here because
520# --mindepth=2 makes the prunes not work.
521subdir_makefiles := \
522	$(shell build/tools/findleaves.py --prune=$(OUT_DIR) --prune=.repo --prune=.git $(subdirs) Android.mk)
523
524$(foreach mk, $(subdir_makefiles), $(info including $(mk) ...)$(eval include $(mk)))
525
526endif # dont_bother
527
528endif # ONE_SHOT_MAKEFILE
529
530# Now with all Android.mks loaded we can do post cleaning steps.
531include $(BUILD_SYSTEM)/post_clean.mk
532
533ifeq ($(stash_product_vars),true)
534  $(call assert-product-vars, __STASHED)
535endif
536
537include $(BUILD_SYSTEM)/legacy_prebuilts.mk
538ifneq ($(filter-out $(GRANDFATHERED_ALL_PREBUILT),$(strip $(notdir $(ALL_PREBUILT)))),)
539  $(warning *** Some files have been added to ALL_PREBUILT.)
540  $(warning *)
541  $(warning * ALL_PREBUILT is a deprecated mechanism that)
542  $(warning * should not be used for new files.)
543  $(warning * As an alternative, use PRODUCT_COPY_FILES in)
544  $(warning * the appropriate product definition.)
545  $(warning * build/target/product/core.mk is the product)
546  $(warning * definition used in all products.)
547  $(warning *)
548  $(foreach bad_prebuilt,$(filter-out $(GRANDFATHERED_ALL_PREBUILT),$(strip $(notdir $(ALL_PREBUILT)))),$(warning * unexpected $(bad_prebuilt) in ALL_PREBUILT))
549  $(warning *)
550  $(error ALL_PREBUILT contains unexpected files)
551endif
552
553# -------------------------------------------------------------------
554# All module makefiles have been included at this point.
555# -------------------------------------------------------------------
556
557
558# -------------------------------------------------------------------
559# Fix up CUSTOM_MODULES to refer to installed files rather than
560# just bare module names.  Leave unknown modules alone in case
561# they're actually full paths to a particular file.
562known_custom_modules := $(filter $(ALL_MODULES),$(CUSTOM_MODULES))
563unknown_custom_modules := $(filter-out $(ALL_MODULES),$(CUSTOM_MODULES))
564CUSTOM_MODULES := \
565	$(call module-installed-files,$(known_custom_modules)) \
566	$(unknown_custom_modules)
567
568# -------------------------------------------------------------------
569# Define dependencies for modules that require other modules.
570# This can only happen now, after we've read in all module makefiles.
571#
572# TODO: deal with the fact that a bare module name isn't
573# unambiguous enough.  Maybe declare short targets like
574# APPS:Quake or HOST:SHARED_LIBRARIES:libutils.
575# BUG: the system image won't know to depend on modules that are
576# brought in as requirements of other modules.
577#
578# Resolve the required module name to 32-bit or 64-bit variant.
579# Get a list of corresponding 32-bit module names, if one exists.
580define get-32-bit-modules
581$(strip $(foreach m,$(1),\
582  $(if $(ALL_MODULES.$(m)$(TARGET_2ND_ARCH_MODULE_SUFFIX).CLASS),\
583    $(m)$(TARGET_2ND_ARCH_MODULE_SUFFIX))))
584endef
585# Get a list of corresponding 32-bit module names, if one exists;
586# otherwise return the original module name
587define get-32-bit-modules-if-we-can
588$(strip $(foreach m,$(1),\
589  $(if $(ALL_MODULES.$(m)$(TARGET_2ND_ARCH_MODULE_SUFFIX).CLASS),\
590    $(m)$(TARGET_2ND_ARCH_MODULE_SUFFIX),
591    $(m))))
592endef
593
594# If a module is built for 32-bit, the required modules must be 32-bit too;
595# Otherwise if the module is an exectuable or shared library,
596#   the required modules must be 64-bit;
597#   otherwise we require both 64-bit and 32-bit variant, if one exists.
598$(foreach m,$(ALL_MODULES),\
599  $(eval r := $(ALL_MODULES.$(m).REQUIRED))\
600  $(if $(r),\
601    $(if $(ALL_MODULES.$(m).FOR_2ND_ARCH),\
602      $(eval r_r := $(call get-32-bit-modules-if-we-can,$(r))),\
603      $(if $(filter EXECUTABLES SHARED_LIBRARIES,$(ALL_MODULES.$(m).CLASS)),\
604        $(eval r_r := $(r)),\
605        $(eval r_r := $(r) $(call get-32-bit-modules,$(r)))\
606       )\
607     )\
608     $(eval ALL_MODULES.$(m).REQUIRED := $(strip $(r_r)))\
609  )\
610)
611r_r :=
612
613define add-required-deps
614$(1): | $(2)
615endef
616
617$(foreach m,$(ALL_MODULES), \
618  $(eval r := $(ALL_MODULES.$(m).REQUIRED)) \
619  $(if $(r), \
620    $(eval r := $(call module-installed-files,$(r))) \
621    $(eval t_m := $(filter $(TARGET_OUT_ROOT)/%, $(ALL_MODULES.$(m).INSTALLED))) \
622    $(eval h_m := $(filter $(HOST_OUT_ROOT)/%, $(ALL_MODULES.$(m).INSTALLED))) \
623    $(eval t_r := $(filter $(TARGET_OUT_ROOT)/%, $(r))) \
624    $(eval h_r := $(filter $(HOST_OUT_ROOT)/%, $(r))) \
625    $(eval t_m := $(filter-out $(t_r), $(t_m))) \
626    $(eval h_m := $(filter-out $(h_r), $(h_m))) \
627    $(if $(t_m), $(eval $(call add-required-deps, $(t_m),$(t_r)))) \
628    $(if $(h_m), $(eval $(call add-required-deps, $(h_m),$(h_r)))) \
629   ) \
630 )
631
632t_m :=
633h_m :=
634t_r :=
635h_r :=
636
637# Establish the dependecies on the shared libraries.
638# It also adds the shared library module names to ALL_MODULES.$(m).REQUIRED,
639# so they can be expanded to product_MODULES later.
640# $(1): TARGET_ or HOST_.
641# $(2): non-empty for 2nd arch.
642define resolve-shared-libs-depes
643$(foreach m,$($(if $(2),$($(1)2ND_ARCH_VAR_PREFIX))$(1)DEPENDENCIES_ON_SHARED_LIBRARIES),\
644  $(eval p := $(subst :,$(space),$(m)))\
645  $(eval mod := $(firstword $(p)))\
646  $(eval deps := $(subst $(comma),$(space),$(lastword $(p))))\
647  $(if $(2),$(eval deps := $(addsuffix $($(1)2ND_ARCH_MODULE_SUFFIX),$(deps))))\
648  $(eval r := $(filter $($(1)OUT_ROOT)/%,$(call module-installed-files,\
649    $(deps))))\
650  $(eval $(call add-required-deps,$(word 2,$(p)),$(r)))\
651  $(eval ALL_MODULES.$(mod).REQUIRED += $(deps)))
652endef
653
654$(call resolve-shared-libs-depes,TARGET_)
655ifdef TARGET_2ND_ARCH
656$(call resolve-shared-libs-depes,TARGET_,true)
657endif
658$(call resolve-shared-libs-depes,HOST_)
659ifdef HOST_2ND_ARCH
660$(call resolve-shared-libs-depes,HOST_,true)
661endif
662
663m :=
664r :=
665p :=
666deps :=
667add-required-deps :=
668
669# -------------------------------------------------------------------
670# Figure out our module sets.
671#
672# Of the modules defined by the component makefiles,
673# determine what we actually want to build.
674
675###########################################################
676## Expand a module name list with REQUIRED modules
677###########################################################
678# $(1): The variable name that holds the initial module name list.
679#       the variable will be modified to hold the expanded results.
680# $(2): The initial module name list.
681# Returns empty string (maybe with some whitespaces).
682define expand-required-modules
683$(eval _erm_new_modules := $(sort $(filter-out $($(1)),\
684  $(foreach m,$(2),$(ALL_MODULES.$(m).REQUIRED)))))\
685$(if $(_erm_new_modules),$(eval $(1) += $(_erm_new_modules))\
686  $(call expand-required-modules,$(1),$(_erm_new_modules)))
687endef
688
689ifdef FULL_BUILD
690  # The base list of modules to build for this product is specified
691  # by the appropriate product definition file, which was included
692  # by product_config.mk.
693  product_MODULES := $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES)
694  # Filter out the overridden packages before doing expansion
695  product_MODULES := $(filter-out $(foreach p, $(product_MODULES), \
696      $(PACKAGES.$(p).OVERRIDES)), $(product_MODULES))
697
698  # Resolve the :32 :64 module name
699  modules_32 := $(patsubst %:32,%,$(filter %:32, $(product_MODULES)))
700  modules_64 := $(patsubst %:64,%,$(filter %:64, $(product_MODULES)))
701  modules_rest := $(filter-out %:32 %:64,$(product_MODULES))
702  # Note for 32-bit product, $(modules_32) and $(modules_64) will be
703  # added as their original module names.
704  product_MODULES := $(call get-32-bit-modules-if-we-can, $(modules_32))
705  product_MODULES += $(modules_64)
706  # For the rest we add both
707  product_MODULES += $(call get-32-bit-modules, $(modules_rest))
708  product_MODULES += $(modules_rest)
709
710  $(call expand-required-modules,product_MODULES,$(product_MODULES))
711
712  product_FILES := $(call module-installed-files, $(product_MODULES))
713  ifeq (0,1)
714    $(info product_FILES for $(TARGET_DEVICE) ($(INTERNAL_PRODUCT)):)
715    $(foreach p,$(product_FILES),$(info :   $(p)))
716    $(error done)
717  endif
718else
719  # We're not doing a full build, and are probably only including
720  # a subset of the module makefiles.  Don't try to build any modules
721  # requested by the product, because we probably won't have rules
722  # to build them.
723  product_FILES :=
724endif
725
726eng_MODULES := $(sort \
727        $(call get-tagged-modules,eng) \
728        $(call module-installed-files, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES_ENG)) \
729    )
730debug_MODULES := $(sort \
731        $(call get-tagged-modules,debug) \
732        $(call module-installed-files, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES_DEBUG)) \
733    )
734tests_MODULES := $(sort \
735        $(call get-tagged-modules,tests) \
736        $(call module-installed-files, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES_TESTS)) \
737    )
738
739# TODO: Remove the 3 places in the tree that use ALL_DEFAULT_INSTALLED_MODULES
740# and get rid of it from this list.
741modules_to_install := $(sort \
742    $(ALL_DEFAULT_INSTALLED_MODULES) \
743    $(product_FILES) \
744    $(foreach tag,$(tags_to_install),$($(tag)_MODULES)) \
745    $(CUSTOM_MODULES) \
746  )
747
748# Some packages may override others using LOCAL_OVERRIDES_PACKAGES.
749# Filter out (do not install) any overridden packages.
750overridden_packages := $(call get-package-overrides,$(modules_to_install))
751ifdef overridden_packages
752#  old_modules_to_install := $(modules_to_install)
753  modules_to_install := \
754      $(filter-out $(foreach p,$(overridden_packages),$(p) %/$(p).apk), \
755          $(modules_to_install))
756endif
757#$(error filtered out
758#           $(filter-out $(modules_to_install),$(old_modules_to_install)))
759
760# Don't include any GNU targets in the SDK.  It's ok (and necessary)
761# to build the host tools, but nothing that's going to be installed
762# on the target (including static libraries).
763ifdef is_sdk_build
764  target_gnu_MODULES := \
765              $(filter \
766                      $(TARGET_OUT_INTERMEDIATES)/% \
767                      $(TARGET_OUT)/% \
768                      $(TARGET_OUT_DATA)/%, \
769                              $(sort $(call get-tagged-modules,gnu)))
770  $(info Removing from sdk:)$(foreach d,$(target_gnu_MODULES),$(info : $(d)))
771  modules_to_install := \
772              $(filter-out $(target_gnu_MODULES),$(modules_to_install))
773
774  # Ensure every module listed in PRODUCT_PACKAGES* gets something installed
775  # TODO: Should we do this for all builds and not just the sdk?
776  dangling_modules :=
777  $(foreach m, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES), \
778    $(if $(strip $(ALL_MODULES.$(m).INSTALLED) $(ALL_MODULES.$(m)$(TARGET_2ND_ARCH_MODULE_SUFFIX).INSTALLED)),,\
779      $(eval dangling_modules += $(m))))
780  ifneq ($(dangling_modules),)
781    $(warning: Modules '$(dangling_modules)' in PRODUCT_PACKAGES have nothing to install!)
782  endif
783  $(foreach m, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES_DEBUG), \
784    $(if $(strip $(ALL_MODULES.$(m).INSTALLED)),,\
785      $(warning $(ALL_MODULES.$(m).MAKEFILE): Module '$(m)' in PRODUCT_PACKAGES_DEBUG has nothing to install!)))
786  $(foreach m, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES_ENG), \
787    $(if $(strip $(ALL_MODULES.$(m).INSTALLED)),,\
788      $(warning $(ALL_MODULES.$(m).MAKEFILE): Module '$(m)' in PRODUCT_PACKAGES_ENG has nothing to install!)))
789  $(foreach m, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES_TESTS), \
790    $(if $(strip $(ALL_MODULES.$(m).INSTALLED)),,\
791      $(warning $(ALL_MODULES.$(m).MAKEFILE): Module '$(m)' in PRODUCT_PACKAGES_TESTS has nothing to install!)))
792endif
793
794# build/core/Makefile contains extra stuff that we don't want to pollute this
795# top-level makefile with.  It expects that ALL_DEFAULT_INSTALLED_MODULES
796# contains everything that's built during the current make, but it also further
797# extends ALL_DEFAULT_INSTALLED_MODULES.
798ALL_DEFAULT_INSTALLED_MODULES := $(modules_to_install)
799include $(BUILD_SYSTEM)/Makefile
800modules_to_install := $(sort $(ALL_DEFAULT_INSTALLED_MODULES))
801ALL_DEFAULT_INSTALLED_MODULES :=
802
803
804# These are additional goals that we build, in order to make sure that there
805# is as little code as possible in the tree that doesn't build.
806modules_to_check := $(foreach m,$(ALL_MODULES),$(ALL_MODULES.$(m).CHECKED))
807
808# If you would like to build all goals, and not skip any intermediate
809# steps, you can pass the "all" modifier goal on the commandline.
810ifneq ($(filter all,$(MAKECMDGOALS)),)
811modules_to_check += $(foreach m,$(ALL_MODULES),$(ALL_MODULES.$(m).BUILT))
812endif
813
814# for easier debugging
815modules_to_check := $(sort $(modules_to_check))
816#$(error modules_to_check $(modules_to_check))
817
818# -------------------------------------------------------------------
819# This is used to to get the ordering right, you can also use these,
820# but they're considered undocumented, so don't complain if their
821# behavior changes.
822.PHONY: prebuilt
823prebuilt: $(ALL_PREBUILT)
824
825# An internal target that depends on all copied headers
826# (see copy_headers.make).  Other targets that need the
827# headers to be copied first can depend on this target.
828.PHONY: all_copied_headers
829all_copied_headers: ;
830
831$(ALL_C_CPP_ETC_OBJECTS): | all_copied_headers
832
833# All the droid stuff, in directories
834.PHONY: files
835files: prebuilt \
836        $(modules_to_install) \
837        $(INSTALLED_ANDROID_INFO_TXT_TARGET)
838
839# -------------------------------------------------------------------
840
841.PHONY: checkbuild
842checkbuild: $(modules_to_check)
843ifeq (true,$(ANDROID_BUILD_EVERYTHING_BY_DEFAULT)$(filter $(MAKECMDGOALS),checkbuild))
844droid: checkbuild
845else
846# ANDROID_BUILD_EVERYTHING_BY_DEFAULT not set, or checkbuild is one of the cmd goals.
847checkbuild: droid
848endif
849
850.PHONY: ramdisk
851ramdisk: $(INSTALLED_RAMDISK_TARGET)
852
853.PHONY: systemtarball
854systemtarball: $(INSTALLED_SYSTEMTARBALL_TARGET)
855
856.PHONY: boottarball
857boottarball: $(INSTALLED_BOOTTARBALL_TARGET)
858
859.PHONY: userdataimage
860userdataimage: $(INSTALLED_USERDATAIMAGE_TARGET)
861
862ifneq (,$(filter userdataimage, $(MAKECMDGOALS)))
863$(call dist-for-goals, userdataimage, $(BUILT_USERDATAIMAGE_TARGET))
864endif
865
866.PHONY: userdatatarball
867userdatatarball: $(INSTALLED_USERDATATARBALL_TARGET)
868
869.PHONY: cacheimage
870cacheimage: $(INSTALLED_CACHEIMAGE_TARGET)
871
872.PHONY: vendorimage
873vendorimage: $(INSTALLED_VENDORIMAGE_TARGET)
874
875.PHONY: bootimage
876bootimage: $(INSTALLED_BOOTIMAGE_TARGET)
877
878# phony target that include any targets in $(ALL_MODULES)
879.PHONY: all_modules
880ifndef BUILD_MODULES_IN_PATHS
881all_modules: $(ALL_MODULES)
882else
883# BUILD_MODULES_IN_PATHS is a list of paths relative to the top of the tree
884build_modules_in_paths := $(patsubst ./%,%,$(BUILD_MODULES_IN_PATHS))
885module_path_patterns := $(foreach p, $(build_modules_in_paths),\
886    $(if $(filter %/,$(p)),$(p)%,$(p)/%))
887my_all_modules := $(sort $(foreach m, $(ALL_MODULES),$(if $(filter\
888    $(module_path_patterns), $(addsuffix /,$(ALL_MODULES.$(m).PATH))),$(m))))
889all_modules: $(my_all_modules)
890endif
891
892
893# Build files and then package it into the rom formats
894.PHONY: droidcore
895droidcore: files \
896	systemimage \
897	$(INSTALLED_BOOTIMAGE_TARGET) \
898	$(INSTALLED_RECOVERYIMAGE_TARGET) \
899	$(INSTALLED_USERDATAIMAGE_TARGET) \
900	$(INSTALLED_CACHEIMAGE_TARGET) \
901	$(INSTALLED_VENDORIMAGE_TARGET) \
902	$(INSTALLED_FILES_FILE)
903
904# dist_files only for putting your library into the dist directory with a full build.
905.PHONY: dist_files
906
907ifneq ($(TARGET_BUILD_APPS),)
908  # If this build is just for apps, only build apps and not the full system by default.
909
910  unbundled_build_modules :=
911  ifneq ($(filter all,$(TARGET_BUILD_APPS)),)
912    # If they used the magic goal "all" then build all apps in the source tree.
913    unbundled_build_modules := $(foreach m,$(sort $(ALL_MODULES)),$(if $(filter APPS,$(ALL_MODULES.$(m).CLASS)),$(m)))
914  else
915    unbundled_build_modules := $(TARGET_BUILD_APPS)
916  endif
917
918  # Dist the installed files if they exist.
919  apps_only_installed_files := $(foreach m,$(unbundled_build_modules),$(ALL_MODULES.$(m).INSTALLED))
920  $(call dist-for-goals,apps_only, $(apps_only_installed_files))
921  # For uninstallable modules such as static Java library, we have to dist the built file,
922  # as <module_name>.<suffix>
923  apps_only_dist_built_files := $(foreach m,$(unbundled_build_modules),$(if $(ALL_MODULES.$(m).INSTALLED),,\
924      $(if $(ALL_MODULES.$(m).BUILT),$(ALL_MODULES.$(m).BUILT):$(m)$(suffix $(ALL_MODULES.$(m).BUILT)))))
925  $(call dist-for-goals,apps_only, $(apps_only_dist_built_files))
926
927  ifeq ($(EMMA_INSTRUMENT),true)
928    $(EMMA_META_ZIP) : $(apps_only_installed_files)
929
930    $(call dist-for-goals,apps_only, $(EMMA_META_ZIP))
931  endif
932
933  $(PROGUARD_DICT_ZIP) : $(apps_only_installed_files)
934  $(call dist-for-goals,apps_only, $(PROGUARD_DICT_ZIP))
935
936  $(SYMBOLS_ZIP) : $(apps_only_installed_files)
937  $(call dist-for-goals,apps_only, $(SYMBOLS_ZIP))
938
939.PHONY: apps_only
940apps_only: $(unbundled_build_modules)
941
942droid: apps_only
943
944# Combine the NOTICE files for a apps_only build
945$(eval $(call combine-notice-files, \
946    $(target_notice_file_txt), \
947    $(target_notice_file_html), \
948    "Notices for files for apps:", \
949    $(TARGET_OUT_NOTICE_FILES), \
950    $(apps_only_installed_files)))
951
952
953else # TARGET_BUILD_APPS
954  $(call dist-for-goals, droidcore, \
955    $(INTERNAL_UPDATE_PACKAGE_TARGET) \
956    $(INTERNAL_OTA_PACKAGE_TARGET) \
957    $(SYMBOLS_ZIP) \
958    $(INSTALLED_FILES_FILE) \
959    $(INSTALLED_BUILD_PROP_TARGET) \
960    $(BUILT_TARGET_FILES_PACKAGE) \
961    $(INSTALLED_ANDROID_INFO_TXT_TARGET) \
962    $(INSTALLED_RAMDISK_TARGET) \
963   )
964
965  # Put a copy of the radio/bootloader files in the dist dir.
966  $(foreach f,$(INSTALLED_RADIOIMAGE_TARGET), \
967    $(call dist-for-goals, droidcore, $(f)))
968
969  ifneq ($(ANDROID_BUILD_EMBEDDED),true)
970  ifneq ($(TARGET_BUILD_PDK),true)
971    $(call dist-for-goals, droidcore, \
972      $(APPS_ZIP) \
973      $(INTERNAL_EMULATOR_PACKAGE_TARGET) \
974      $(PACKAGE_STATS_FILE) \
975    )
976  endif
977  endif
978
979  ifeq ($(EMMA_INSTRUMENT),true)
980    $(EMMA_META_ZIP) : $(INSTALLED_SYSTEMIMAGE)
981
982    $(call dist-for-goals, dist_files, $(EMMA_META_ZIP))
983  endif
984
985# Building a full system-- the default is to build droidcore
986droid: droidcore dist_files
987
988endif # TARGET_BUILD_APPS
989
990.PHONY: docs
991docs: $(ALL_DOCS)
992
993.PHONY: sdk
994ALL_SDK_TARGETS := $(INTERNAL_SDK_TARGET)
995sdk: $(ALL_SDK_TARGETS)
996$(call dist-for-goals,sdk win_sdk, \
997    $(ALL_SDK_TARGETS) \
998    $(SYMBOLS_ZIP) \
999    $(INSTALLED_BUILD_PROP_TARGET) \
1000)
1001
1002# umbrella targets to assit engineers in verifying builds
1003.PHONY: java native target host java-host java-target native-host native-target \
1004        java-host-tests java-target-tests native-host-tests native-target-tests \
1005        java-tests native-tests host-tests target-tests tests
1006# some synonyms
1007.PHONY: host-java target-java host-native target-native \
1008        target-java-tests target-native-tests
1009host-java : java-host
1010target-java : java-target
1011host-native : native-host
1012target-native : native-target
1013target-java-tests : java-target-tests
1014target-native-tests : native-target-tests
1015tests : host-tests target-tests
1016
1017# To catch more build breakage, check build tests modules in eng and userdebug builds.
1018ifneq ($(ANDROID_NO_TEST_CHECK),true)
1019ifneq ($(TARGET_BUILD_PDK),true)
1020ifneq ($(filter eng userdebug,$(TARGET_BUILD_VARIANT)),)
1021droidcore : target-tests host-tests
1022endif
1023endif
1024endif
1025
1026ifneq (,$(filter samplecode, $(MAKECMDGOALS)))
1027.PHONY: samplecode
1028sample_MODULES := $(sort $(call get-tagged-modules,samples))
1029sample_APKS_DEST_PATH := $(TARGET_COMMON_OUT_ROOT)/samples
1030sample_APKS_COLLECTION := \
1031        $(foreach module,$(sample_MODULES),$(sample_APKS_DEST_PATH)/$(notdir $(module)))
1032$(foreach module,$(sample_MODULES),$(eval $(call \
1033        copy-one-file,$(module),$(sample_APKS_DEST_PATH)/$(notdir $(module)))))
1034sample_ADDITIONAL_INSTALLED := \
1035        $(filter-out $(modules_to_install) $(modules_to_check) $(ALL_PREBUILT),$(sample_MODULES))
1036samplecode: $(sample_APKS_COLLECTION)
1037	@echo "Collect sample code apks: $^"
1038	# remove apks that are not intended to be installed.
1039	rm -f $(sample_ADDITIONAL_INSTALLED)
1040endif  # samplecode in $(MAKECMDGOALS)
1041
1042.PHONY: findbugs
1043findbugs: $(INTERNAL_FINDBUGS_HTML_TARGET) $(INTERNAL_FINDBUGS_XML_TARGET)
1044
1045.PHONY: clean
1046clean:
1047	@rm -rf $(OUT_DIR)/*
1048	@echo "Entire build directory removed."
1049
1050.PHONY: clobber
1051clobber: clean
1052
1053# The rules for dataclean and installclean are defined in cleanbuild.mk.
1054
1055#xxx scrape this from ALL_MODULE_NAME_TAGS
1056.PHONY: modules
1057modules:
1058	@echo "Available sub-modules:"
1059	@echo "$(call module-names-for-tag-list,$(ALL_MODULE_TAGS))" | \
1060	      tr -s ' ' '\n' | sort -u | $(COLUMN)
1061
1062.PHONY: showcommands
1063showcommands:
1064	@echo >/dev/null
1065
1066.PHONY: nothing
1067nothing:
1068	@echo Successfully read the makefiles.
1069