config.mk revision 6b66fcf378d0ebd8e4cc67923336a42242550b31
1# This is included by the top-level Makefile.
2# It sets up standard variables based on the
3# current configuration and platform, which
4# are not specific to what is being built.
5
6# Only use ANDROID_BUILD_SHELL to wrap around bash.
7# DO NOT use other shells such as zsh.
8ifdef ANDROID_BUILD_SHELL
9SHELL := $(ANDROID_BUILD_SHELL)
10else
11# Use bash, not whatever shell somebody has installed as /bin/sh
12# This is repeated from main.mk, since envsetup.sh runs this file
13# directly.
14SHELL := /bin/bash
15endif
16
17# Utility variables.
18empty :=
19space := $(empty) $(empty)
20comma := ,
21# Note that make will eat the newline just before endef.
22define newline
23
24
25endef
26# The pound character "#"
27define pound
28#
29endef
30# Unfortunately you can't simply define backslash as \ or \\.
31backslash := \a
32backslash := $(patsubst %a,%,$(backslash))
33
34# Tell python not to spam the source tree with .pyc files.  This
35# only has an effect on python 2.6 and above.
36export PYTHONDONTWRITEBYTECODE := 1
37
38# Standard source directories.
39SRC_DOCS:= $(TOPDIR)docs
40# TODO: Enforce some kind of layering; only add include paths
41#       when a module links against a particular library.
42# TODO: See if we can remove most of these from the global list.
43SRC_HEADERS := \
44	$(TOPDIR)system/core/include \
45	$(TOPDIR)system/media/audio/include \
46	$(TOPDIR)hardware/libhardware/include \
47	$(TOPDIR)hardware/libhardware_legacy/include \
48	$(TOPDIR)hardware/ril/include \
49	$(TOPDIR)libnativehelper/include \
50	$(TOPDIR)frameworks/native/include \
51	$(TOPDIR)frameworks/native/opengl/include \
52	$(TOPDIR)frameworks/av/include \
53	$(TOPDIR)frameworks/base/include
54SRC_HOST_HEADERS:=$(TOPDIR)tools/include
55SRC_LIBRARIES:= $(TOPDIR)libs
56SRC_SERVERS:= $(TOPDIR)servers
57SRC_TARGET_DIR := $(TOPDIR)build/target
58SRC_API_DIR := $(TOPDIR)prebuilts/sdk/api
59SRC_SYSTEM_API_DIR := $(TOPDIR)prebuilts/sdk/system-api
60
61# Some specific paths to tools
62SRC_DROIDDOC_DIR := $(TOPDIR)build/tools/droiddoc
63
64# Various mappings to avoid hard-coding paths all over the place
65include $(BUILD_SYSTEM)/pathmap.mk
66
67# ###############################################################
68# Build system internal files
69# ###############################################################
70
71BUILD_COMBOS:= $(BUILD_SYSTEM)/combo
72
73CLEAR_VARS:= $(BUILD_SYSTEM)/clear_vars.mk
74BUILD_HOST_STATIC_LIBRARY:= $(BUILD_SYSTEM)/host_static_library.mk
75BUILD_HOST_SHARED_LIBRARY:= $(BUILD_SYSTEM)/host_shared_library.mk
76BUILD_STATIC_LIBRARY:= $(BUILD_SYSTEM)/static_library.mk
77BUILD_SHARED_LIBRARY:= $(BUILD_SYSTEM)/shared_library.mk
78BUILD_EXECUTABLE:= $(BUILD_SYSTEM)/executable.mk
79BUILD_HOST_EXECUTABLE:= $(BUILD_SYSTEM)/host_executable.mk
80BUILD_PACKAGE:= $(BUILD_SYSTEM)/package.mk
81BUILD_PHONY_PACKAGE:= $(BUILD_SYSTEM)/phony_package.mk
82BUILD_HOST_PREBUILT:= $(BUILD_SYSTEM)/host_prebuilt.mk
83BUILD_PREBUILT:= $(BUILD_SYSTEM)/prebuilt.mk
84BUILD_MULTI_PREBUILT:= $(BUILD_SYSTEM)/multi_prebuilt.mk
85BUILD_JAVA_LIBRARY:= $(BUILD_SYSTEM)/java_library.mk
86BUILD_STATIC_JAVA_LIBRARY:= $(BUILD_SYSTEM)/static_java_library.mk
87BUILD_HOST_JAVA_LIBRARY:= $(BUILD_SYSTEM)/host_java_library.mk
88BUILD_DROIDDOC:= $(BUILD_SYSTEM)/droiddoc.mk
89BUILD_COPY_HEADERS := $(BUILD_SYSTEM)/copy_headers.mk
90BUILD_NATIVE_TEST := $(BUILD_SYSTEM)/native_test.mk
91BUILD_NATIVE_BENCHMARK := $(BUILD_SYSTEM)/native_benchmark.mk
92BUILD_HOST_NATIVE_TEST := $(BUILD_SYSTEM)/host_native_test.mk
93BUILD_FUZZ_TEST := $(BUILD_SYSTEM)/fuzz_test.mk
94BUILD_HOST_FUZZ_TEST := $(BUILD_SYSTEM)/host_fuzz_test.mk
95
96BUILD_SHARED_TEST_LIBRARY := $(BUILD_SYSTEM)/shared_test_lib.mk
97BUILD_HOST_SHARED_TEST_LIBRARY := $(BUILD_SYSTEM)/host_shared_test_lib.mk
98BUILD_STATIC_TEST_LIBRARY := $(BUILD_SYSTEM)/static_test_lib.mk
99BUILD_HOST_STATIC_TEST_LIBRARY := $(BUILD_SYSTEM)/host_static_test_lib.mk
100
101BUILD_NOTICE_FILE := $(BUILD_SYSTEM)/notice_files.mk
102BUILD_HOST_DALVIK_JAVA_LIBRARY := $(BUILD_SYSTEM)/host_dalvik_java_library.mk
103BUILD_HOST_DALVIK_STATIC_JAVA_LIBRARY := $(BUILD_SYSTEM)/host_dalvik_static_java_library.mk
104
105
106# ###############################################################
107# Parse out any modifier targets.
108# ###############################################################
109
110# The 'showcommands' goal says to show the full command
111# lines being executed, instead of a short message about
112# the kind of operation being done.
113SHOW_COMMANDS:= $(filter showcommands,$(MAKECMDGOALS))
114hide := $(if $(SHOW_COMMANDS),,@)
115
116################################################################
117# Tools needed in product configuration makefiles.
118################################################################
119NORMALIZE_PATH := build/tools/normalize_path.py
120
121# $(1): the paths to be normalized
122define normalize-paths
123$(if $(1),$(shell $(NORMALIZE_PATH) $(1)))
124endef
125
126# ###############################################################
127# Set common values
128# ###############################################################
129
130# Set the extensions used for various packages
131COMMON_PACKAGE_SUFFIX := .zip
132COMMON_JAVA_PACKAGE_SUFFIX := .jar
133COMMON_ANDROID_PACKAGE_SUFFIX := .apk
134
135ifdef TMPDIR
136JAVA_TMPDIR_ARG := -Djava.io.tmpdir=$(TMPDIR)
137else
138JAVA_TMPDIR_ARG :=
139endif
140
141# ###############################################################
142# Include sub-configuration files
143# ###############################################################
144
145# ---------------------------------------------------------------
146# Try to include buildspec.mk, which will try to set stuff up.
147# If this file doesn't exist, the environment variables will
148# be used, and if that doesn't work, then the default is an
149# arm build
150ifndef ANDROID_BUILDSPEC
151ANDROID_BUILDSPEC := $(TOPDIR)buildspec.mk
152endif
153-include $(ANDROID_BUILDSPEC)
154
155# ---------------------------------------------------------------
156# Define most of the global variables.  These are the ones that
157# are specific to the user's build configuration.
158include $(BUILD_SYSTEM)/envsetup.mk
159
160# Pruned directory options used when using findleaves.py
161# See envsetup.mk for a description of SCAN_EXCLUDE_DIRS
162FIND_LEAVES_EXCLUDES := $(addprefix --prune=, $(OUT_DIR) $(SCAN_EXCLUDE_DIRS) .repo .git)
163
164# The build system exposes several variables for where to find the kernel
165# headers:
166#   TARGET_DEVICE_KERNEL_HEADERS is automatically created for the current
167#       device being built. It is set as $(TARGET_DEVICE_DIR)/kernel-headers,
168#       e.g. device/samsung/tuna/kernel-headers. This directory is not
169#       explicitly set by anyone, the build system always adds this subdir.
170#
171#   TARGET_BOARD_KERNEL_HEADERS is specified by the BoardConfig.mk file
172#       to allow other directories to be included. This is useful if there's
173#       some common place where a few headers are being kept for a group
174#       of devices. For example, device/<vendor>/common/kernel-headers could
175#       contain some headers for several of <vendor>'s devices.
176#
177#   TARGET_PRODUCT_KERNEL_HEADERS is generated by the product inheritance
178#       graph. This allows architecture products to provide headers for the
179#       devices using that architecture. For example,
180#       hardware/ti/omap4xxx/omap4.mk will specify
181#       PRODUCT_VENDOR_KERNEL_HEADERS variable that specify where the omap4
182#       specific headers are, e.g. hardware/ti/omap4xxx/kernel-headers.
183#       The build system then combines all the values specified by all the
184#       PRODUCT_VENDOR_KERNEL_HEADERS directives in the product inheritance
185#       tree and then exports a TARGET_PRODUCT_KERNEL_HEADERS variable.
186#
187# The layout of subdirs in any of the kernel-headers dir should mirror the
188# layout of the kernel include/ directory. For example,
189#     device/samsung/tuna/kernel-headers/linux/,
190#     hardware/ti/omap4xxx/kernel-headers/media/,
191#     etc.
192#
193# NOTE: These directories MUST contain post-processed headers using the
194# bionic/libc/kernel/clean_header.py tool. Additionally, the original kernel
195# headers must also be checked in, but in a different subdirectory. By
196# convention, the originals should be checked into original-kernel-headers
197# directory of the same parent dir. For example,
198#     device/samsung/tuna/kernel-headers            <----- post-processed
199#     device/samsung/tuna/original-kernel-headers   <----- originals
200#
201TARGET_DEVICE_KERNEL_HEADERS := $(strip $(wildcard $(TARGET_DEVICE_DIR)/kernel-headers))
202
203define validate-kernel-headers
204$(if $(firstword $(foreach hdr_dir,$(1),\
205         $(filter-out kernel-headers,$(notdir $(hdr_dir))))),\
206     $(error Kernel header dirs must be end in kernel-headers: $(1)))
207endef
208# also allow the board config to provide additional directories since
209# there could be device/oem/base_hw and device/oem/derived_hw
210# that both are valid devices but derived_hw needs to use kernel headers
211# from base_hw.
212TARGET_BOARD_KERNEL_HEADERS := $(strip $(wildcard $(TARGET_BOARD_KERNEL_HEADERS)))
213TARGET_BOARD_KERNEL_HEADERS := $(patsubst %/,%,$(TARGET_BOARD_KERNEL_HEADERS))
214$(call validate-kernel-headers,$(TARGET_BOARD_KERNEL_HEADERS))
215
216# then add product-inherited includes, to allow for
217# hardware/sivendor/chip/chip.mk to include their own headers
218TARGET_PRODUCT_KERNEL_HEADERS := $(strip $(wildcard $(PRODUCT_VENDOR_KERNEL_HEADERS)))
219TARGET_PRODUCT_KERNEL_HEADERS := $(patsubst %/,%,$(TARGET_PRODUCT_KERNEL_HEADERS))
220$(call validate-kernel-headers,$(TARGET_PRODUCT_KERNEL_HEADERS))
221
222# Clean up/verify variables defined by the board config file.
223TARGET_BOOTLOADER_BOARD_NAME := $(strip $(TARGET_BOOTLOADER_BOARD_NAME))
224TARGET_CPU_ABI := $(strip $(TARGET_CPU_ABI))
225ifeq ($(TARGET_CPU_ABI),)
226  $(error No TARGET_CPU_ABI defined by board config: $(board_config_mk))
227endif
228TARGET_CPU_ABI2 := $(strip $(TARGET_CPU_ABI2))
229
230# Commands to generate .toc file common to ELF .so files.
231define _gen_toc_command_for_elf
232$(hide) ($($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)READELF) -d $(1) | grep SONAME || echo "No SONAME for $1") > $(2)
233$(hide) $($(PRIVATE_2ND_ARCH_VAR_PREFIX)$(PRIVATE_PREFIX)READELF) --dyn-syms $(1) | awk '{$$2=""; $$3=""; print}' >> $(2)
234endef
235
236# Commands to generate .toc file from Darwin dynamic library.
237define _gen_toc_command_for_macho
238$(hide) otool -l $(1) | grep LC_ID_DYLIB -A 5 > $(2)
239$(hide) nm -gP $(1) | cut -f1-2 -d" " | grep -v U$$ >> $(2)
240endef
241
242combo_target := HOST_
243combo_2nd_arch_prefix :=
244include $(BUILD_SYSTEM)/combo/select.mk
245
246# Load the 2nd host arch if it's needed.
247ifdef HOST_2ND_ARCH
248combo_target := HOST_
249combo_2nd_arch_prefix := $(HOST_2ND_ARCH_VAR_PREFIX)
250include $(BUILD_SYSTEM)/combo/select.mk
251endif
252
253# Load the windows cross compiler under Linux
254ifdef HOST_CROSS_OS
255combo_target := HOST_CROSS_
256combo_2nd_arch_prefix :=
257include $(BUILD_SYSTEM)/combo/select.mk
258endif
259
260# on windows, the tools have .exe at the end, and we depend on the
261# host config stuff being done first
262
263combo_target := TARGET_
264combo_2nd_arch_prefix :=
265include $(BUILD_SYSTEM)/combo/select.mk
266
267# Load the 2nd target arch if it's needed.
268ifdef TARGET_2ND_ARCH
269combo_target := TARGET_
270combo_2nd_arch_prefix := $(TARGET_2ND_ARCH_VAR_PREFIX)
271include $(BUILD_SYSTEM)/combo/select.mk
272endif
273
274include $(BUILD_SYSTEM)/ccache.mk
275include $(BUILD_SYSTEM)/goma.mk
276
277ifdef TARGET_PREFER_32_BIT
278TARGET_PREFER_32_BIT_APPS := true
279TARGET_PREFER_32_BIT_EXECUTABLES := true
280endif
281
282ifeq (,$(TARGET_SUPPORTS_32_BIT_APPS)$(TARGET_SUPPORTS_64_BIT_APPS))
283  TARGET_SUPPORTS_32_BIT_APPS := true
284endif
285
286# "ro.product.cpu.abilist32" and "ro.product.cpu.abilist64" are
287# comma separated lists of the 32 and 64 bit ABIs (in order of
288# preference) that the target supports. If TARGET_CPU_ABI_LIST_{32,64}_BIT
289# are defined by the board config, we use them. Else, we construct
290# these lists based on whether TARGET_IS_64_BIT is set.
291#
292# Note that this assumes that the 2ND_CPU_ABI for a 64 bit target
293# is always 32 bits. If this isn't the case, these variables should
294# be overriden in the board configuration.
295ifeq (,$(TARGET_CPU_ABI_LIST_64_BIT))
296  ifeq (true|true,$(TARGET_IS_64_BIT)|$(TARGET_SUPPORTS_64_BIT_APPS))
297    TARGET_CPU_ABI_LIST_64_BIT := $(TARGET_CPU_ABI) $(TARGET_CPU_ABI2)
298  endif
299endif
300
301ifeq (,$(TARGET_CPU_ABI_LIST_32_BIT))
302  ifneq (true,$(TARGET_IS_64_BIT))
303    TARGET_CPU_ABI_LIST_32_BIT := $(TARGET_CPU_ABI) $(TARGET_CPU_ABI2)
304  else
305    ifeq (true,$(TARGET_SUPPORTS_32_BIT_APPS))
306      # For a 64 bit target, assume that the 2ND_CPU_ABI
307      # is a 32 bit ABI.
308      TARGET_CPU_ABI_LIST_32_BIT := $(TARGET_2ND_CPU_ABI) $(TARGET_2ND_CPU_ABI2)
309    endif
310  endif
311endif
312
313# "ro.product.cpu.abilist" is a comma separated list of ABIs (in order
314# of preference) that the target supports. If a TARGET_CPU_ABI_LIST
315# is specified by the board configuration, we use that. If not, we
316# build a list out of the TARGET_CPU_ABIs specified by the config.
317ifeq (,$(TARGET_CPU_ABI_LIST))
318  ifeq ($(TARGET_IS_64_BIT)|$(TARGET_PREFER_32_BIT_APPS),true|true)
319    TARGET_CPU_ABI_LIST := $(TARGET_CPU_ABI_LIST_32_BIT) $(TARGET_CPU_ABI_LIST_64_BIT)
320  else
321    TARGET_CPU_ABI_LIST := $(TARGET_CPU_ABI_LIST_64_BIT) $(TARGET_CPU_ABI_LIST_32_BIT)
322  endif
323endif
324
325# Strip whitespace from the ABI list string.
326TARGET_CPU_ABI_LIST := $(subst $(space),$(comma),$(strip $(TARGET_CPU_ABI_LIST)))
327TARGET_CPU_ABI_LIST_32_BIT := $(subst $(space),$(comma),$(strip $(TARGET_CPU_ABI_LIST_32_BIT)))
328TARGET_CPU_ABI_LIST_64_BIT := $(subst $(space),$(comma),$(strip $(TARGET_CPU_ABI_LIST_64_BIT)))
329
330# Compute TARGET_TOOLCHAIN_ROOT from TARGET_TOOLS_PREFIX
331# if only TARGET_TOOLS_PREFIX is passed to the make command.
332ifndef TARGET_TOOLCHAIN_ROOT
333TARGET_TOOLCHAIN_ROOT := $(patsubst %/, %, $(dir $(TARGET_TOOLS_PREFIX)))
334TARGET_TOOLCHAIN_ROOT := $(patsubst %/, %, $(dir $(TARGET_TOOLCHAIN_ROOT)))
335TARGET_TOOLCHAIN_ROOT := $(wildcard $(TARGET_TOOLCHAIN_ROOT))
336endif
337
338# Normalize WITH_STATIC_ANALYZER and WITH_SYNTAX_CHECK
339ifeq ($(strip $(WITH_STATIC_ANALYZER)),0)
340  WITH_STATIC_ANALYZER :=
341endif
342ifeq ($(strip $(WITH_SYNTAX_CHECK)),0)
343  WITH_SYNTAX_CHECK :=
344endif
345
346# Disable WITH_STATIC_ANALYZER and WITH_SYNTAX_CHECK if tool can't be found
347SYNTAX_TOOLS_PREFIX := prebuilts/misc/$(HOST_PREBUILT_TAG)/analyzer/bin
348ifneq ($(strip $(WITH_STATIC_ANALYZER)),)
349  ifeq ($(wildcard $(SYNTAX_TOOLS_PREFIX)/ccc-analyzer),)
350    $(warning *** Disable WITH_STATIC_ANALYZER because $(SYNTAX_TOOLS_PREFIX)/ccc-analyzer does not exist)
351    WITH_STATIC_ANALYZER :=
352  endif
353endif
354ifneq ($(strip $(WITH_SYNTAX_CHECK)),)
355  ifeq ($(wildcard $(SYNTAX_TOOLS_PREFIX)/ccc-syntax),)
356    $(warning *** Disable WITH_SYNTAX_CHECK because $(SYNTAX_TOOLS_PREFIX)/ccc-syntax does not exist)
357    WITH_SYNTAX_CHECK :=
358  endif
359endif
360
361# WITH_STATIC_ANALYZER trumps WITH_SYNTAX_CHECK
362ifneq ($(strip $(WITH_STATIC_ANALYZER)),)
363  ifneq ($(strip $(WITH_SYNTAX_CHECK)),)
364    $(warning *** Disable WITH_SYNTAX_CHECK in the presence of static analyzer WITH_STATIC_ANALYZER)
365    WITH_SYNTAX_CHECK :=
366  endif
367endif
368
369# Pick a Java compiler.
370include $(BUILD_SYSTEM)/combo/javac.mk
371
372# ---------------------------------------------------------------
373# Check that the configuration is current.  We check that
374# BUILD_ENV_SEQUENCE_NUMBER is current against this value.
375# Don't fail if we're called from envsetup, so they have a
376# chance to update their environment.
377
378ifeq (,$(strip $(CALLED_FROM_SETUP)))
379ifneq (,$(strip $(BUILD_ENV_SEQUENCE_NUMBER)))
380ifneq ($(BUILD_ENV_SEQUENCE_NUMBER),$(CORRECT_BUILD_ENV_SEQUENCE_NUMBER))
381$(warning BUILD_ENV_SEQUENCE_NUMBER is set incorrectly.)
382$(info *** If you use envsetup/lunch/choosecombo:)
383$(info ***   - Re-execute envsetup (". envsetup.sh"))
384$(info ***   - Re-run lunch or choosecombo)
385$(info *** If you use buildspec.mk:)
386$(info ***   - Look at buildspec.mk.default to see what has changed)
387$(info ***   - Update BUILD_ENV_SEQUENCE_NUMBER to "$(CORRECT_BUILD_ENV_SEQUENCE_NUMBER)")
388$(error bailing..)
389endif
390endif
391endif
392
393# Set up PDK so we can use TARGET_BUILD_PDK to select prebuilt tools below
394.PHONY: pdk fusion
395pdk fusion: $(DEFAULT_GOAL)
396
397# What to build:
398# pdk fusion if:
399# 1) PDK_FUSION_PLATFORM_ZIP is passed in from the environment
400# or
401# 2) the platform.zip exists in the default location
402# or
403# 3) fusion is a command line build goal,
404#    PDK_FUSION_PLATFORM_ZIP is needed anyway, then do we need the 'fusion' goal?
405# otherwise pdk only if:
406# 1) pdk is a command line build goal
407# or
408# 2) TARGET_BUILD_PDK is passed in from the environment
409
410# if PDK_FUSION_PLATFORM_ZIP is specified, do not override.
411ifndef PDK_FUSION_PLATFORM_ZIP
412# Most PDK project paths should be using vendor/pdk/TARGET_DEVICE
413# but some legacy ones (e.g. mini_armv7a_neon generic PDK) were setup
414# with vendor/pdk/TARGET_PRODUCT.
415_pdk_fusion_default_platform_zip = $(strip \
416  $(wildcard vendor/pdk/$(TARGET_DEVICE)/$(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)/platform/platform.zip) \
417  $(wildcard vendor/pdk/$(TARGET_DEVICE)/$(patsubst aosp_%,full_%,$(TARGET_PRODUCT))-$(TARGET_BUILD_VARIANT)/platform/platform.zip) \
418  $(wildcard vendor/pdk/$(TARGET_PRODUCT)/$(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)/platform/platform.zip) \
419  $(wildcard vendor/pdk/$(TARGET_PRODUCT)/$(patsubst aosp_%,full_%,$(TARGET_PRODUCT))-$(TARGET_BUILD_VARIANT)/platform/platform.zip))
420ifneq (,$(_pdk_fusion_default_platform_zip))
421PDK_FUSION_PLATFORM_ZIP := $(word 1, $(_pdk_fusion_default_platform_zip))
422TARGET_BUILD_PDK := true
423endif # _pdk_fusion_default_platform_zip
424endif # !PDK_FUSION_PLATFORM_ZIP
425
426ifneq (,$(filter pdk fusion, $(MAKECMDGOALS)))
427TARGET_BUILD_PDK := true
428ifneq (,$(filter fusion, $(MAKECMDGOALS)))
429ifndef PDK_FUSION_PLATFORM_ZIP
430  $(error Specify PDK_FUSION_PLATFORM_ZIP to do a PDK fusion.)
431endif
432endif  # fusion
433endif  # pdk or fusion
434
435ifdef PDK_FUSION_PLATFORM_ZIP
436TARGET_BUILD_PDK := true
437ifeq (,$(wildcard $(PDK_FUSION_PLATFORM_ZIP)))
438  $(error Cannot find file $(PDK_FUSION_PLATFORM_ZIP).)
439endif
440endif
441
442#
443# Tools that are prebuilts for TARGET_BUILD_APPS
444#
445
446ACP := $(HOST_OUT_EXECUTABLES)/acp
447AIDL := $(HOST_OUT_EXECUTABLES)/aidl
448AAPT := $(HOST_OUT_EXECUTABLES)/aapt
449ZIPALIGN := $(HOST_OUT_EXECUTABLES)/zipalign
450SIGNAPK_JAR := $(HOST_OUT_JAVA_LIBRARIES)/signapk$(COMMON_JAVA_PACKAGE_SUFFIX)
451SIGNAPK_JNI_LIBRARY_PATH := $(HOST_OUT_SHARED_LIBRARIES)
452LLVM_RS_CC := $(HOST_OUT_EXECUTABLES)/llvm-rs-cc
453BCC_COMPAT := $(HOST_OUT_EXECUTABLES)/bcc_compat
454
455DX := $(HOST_OUT_EXECUTABLES)/dx
456MAINDEXCLASSES := $(HOST_OUT_EXECUTABLES)/mainDexClasses
457
458USE_PREBUILT_SDK_TOOLS_IN_PLACE := true
459
460# Override the definitions above for unbundled and PDK builds
461ifneq (,$(TARGET_BUILD_APPS)$(filter true,$(TARGET_BUILD_PDK)))
462prebuilt_sdk_tools := prebuilts/sdk/tools
463prebuilt_sdk_tools_bin := $(prebuilt_sdk_tools)/$(HOST_OS)/bin
464
465ACP := $(prebuilt_sdk_tools_bin)/acp
466AIDL := $(prebuilt_sdk_tools_bin)/aidl
467AAPT := $(prebuilt_sdk_tools_bin)/aapt
468ZIPALIGN := $(prebuilt_sdk_tools_bin)/zipalign
469SIGNAPK_JAR := $(prebuilt_sdk_tools)/lib/signapk$(COMMON_JAVA_PACKAGE_SUFFIX)
470# Use 64-bit libraries unconditionally because 32-bit JVMs are no longer supported
471SIGNAPK_JNI_LIBRARY_PATH := $(prebuilt_sdk_tools)/$(HOST_OS)/lib64
472
473DX := $(prebuilt_sdk_tools)/dx
474MAINDEXCLASSES := $(prebuilt_sdk_tools)/mainDexClasses
475
476# Don't use prebuilts in PDK
477ifneq ($(TARGET_BUILD_PDK),true)
478LLVM_RS_CC := $(prebuilt_sdk_tools_bin)/llvm-rs-cc
479BCC_COMPAT := $(prebuilt_sdk_tools_bin)/bcc_compat
480endif # TARGET_BUILD_PDK
481endif # TARGET_BUILD_APPS || TARGET_BUILD_PDK
482
483
484# ---------------------------------------------------------------
485# Generic tools.
486JACK := $(HOST_OUT_EXECUTABLES)/jack
487JACK_JAR := $(HOST_OUT_JAVA_LIBRARIES)/jack.jar
488JILL_JAR := $(HOST_OUT_JAVA_LIBRARIES)/jill.jar
489
490LEX := prebuilts/misc/$(BUILD_OS)-$(HOST_PREBUILT_ARCH)/flex/flex-2.5.39
491# The default PKGDATADIR built in the prebuilt bison is a relative path
492# external/bison/data.
493# To run bison from elsewhere you need to set up enviromental variable
494# BISON_PKGDATADIR.
495BISON_PKGDATADIR := $(PWD)/external/bison/data
496BISON := prebuilts/misc/$(BUILD_OS)-$(HOST_PREBUILT_ARCH)/bison/bison
497YACC := $(BISON) -d
498
499YASM := prebuilts/misc/$(BUILD_OS)-$(HOST_PREBUILT_ARCH)/yasm/yasm
500
501DOXYGEN:= doxygen
502AIDL_CPP := $(HOST_OUT_EXECUTABLES)/aidl-cpp$(HOST_EXECUTABLE_SUFFIX)
503ifeq ($(HOST_OS),linux)
504BREAKPAD_DUMP_SYMS := $(HOST_OUT_EXECUTABLES)/dump_syms
505else
506# For non-supported hosts, do not generate breakpad symbols.
507BREAKPAD_GENERATE_SYMBOLS := false
508endif
509PROTOC := $(HOST_OUT_EXECUTABLES)/aprotoc$(HOST_EXECUTABLE_SUFFIX)
510DBUS_GENERATOR := $(HOST_OUT_EXECUTABLES)/dbus-binding-generator
511MKBOOTFS := $(HOST_OUT_EXECUTABLES)/mkbootfs$(HOST_EXECUTABLE_SUFFIX)
512MINIGZIP := $(HOST_OUT_EXECUTABLES)/minigzip$(HOST_EXECUTABLE_SUFFIX)
513ifeq (,$(strip $(BOARD_CUSTOM_MKBOOTIMG)))
514MKBOOTIMG := $(HOST_OUT_EXECUTABLES)/mkbootimg$(HOST_EXECUTABLE_SUFFIX)
515else
516MKBOOTIMG := $(BOARD_CUSTOM_MKBOOTIMG)
517endif
518APICHECK := $(HOST_OUT_EXECUTABLES)/apicheck$(HOST_EXECUTABLE_SUFFIX)
519FS_GET_STATS := $(HOST_OUT_EXECUTABLES)/fs_get_stats$(HOST_EXECUTABLE_SUFFIX)
520MAKE_EXT4FS := $(HOST_OUT_EXECUTABLES)/make_ext4fs$(HOST_EXECUTABLE_SUFFIX)
521MKEXTUSERIMG := $(HOST_OUT_EXECUTABLES)/mkuserimg.sh
522ifeq ($(HOST_OS),linux)
523MAKE_SQUASHFS := $(HOST_OUT_EXECUTABLES)/mksquashfs$(HOST_EXECUTABLE_SUFFIX)
524MKSQUASHFSUSERIMG := $(HOST_OUT_EXECUTABLES)/mksquashfsimage.sh
525else
526MAKE_SQUASHFS :=
527MKSQUASHFSUSERIMG :=
528endif
529MAKE_F2FS := $(HOST_OUT_EXECUTABLES)/make_f2fs$(HOST_EXECUTABLE_SUFFIX)
530MKF2FSUSERIMG := $(HOST_OUT_EXECUTABLES)/mkf2fsuserimg.sh
531SIMG2IMG := $(HOST_OUT_EXECUTABLES)/simg2img$(HOST_EXECUTABLE_SUFFIX)
532IMG2SIMG := $(HOST_OUT_EXECUTABLES)/img2simg$(HOST_EXECUTABLE_SUFFIX)
533E2FSCK := $(HOST_OUT_EXECUTABLES)/e2fsck$(HOST_EXECUTABLE_SUFFIX)
534MKTARBALL := build/tools/mktarball.sh
535TUNE2FS := $(HOST_OUT_EXECUTABLES)/tune2fs$(HOST_EXECUTABLE_SUFFIX)
536E2FSCK := $(HOST_OUT_EXECUTABLES)/e2fsck$(HOST_EXECUTABLE_SUFFIX)
537JARJAR := $(HOST_OUT_JAVA_LIBRARIES)/jarjar.jar
538
539ifeq ($(ANDROID_COMPILE_WITH_JACK),true)
540DEFAULT_JACK_ENABLED:=full
541else
542DEFAULT_JACK_ENABLED:=
543endif
544ifneq ($(ANDROID_JACK_EXTRA_ARGS),)
545DEFAULT_JACK_EXTRA_ARGS := $(ANDROID_JACK_EXTRA_ARGS)
546else
547DEFAULT_JACK_EXTRA_ARGS := @$(BUILD_SYSTEM)/jack-default.args
548endif
549# Turn off jack warnings by default.
550DEFAULT_JACK_EXTRA_ARGS += --verbose error
551
552JILL := java -Xmx3500m -jar $(JILL_JAR)
553PROGUARD := external/proguard/bin/proguard.sh
554JAVATAGS := build/tools/java-event-log-tags.py
555RMTYPEDEFS := $(HOST_OUT_EXECUTABLES)/rmtypedefs
556APPEND2SIMG := $(HOST_OUT_EXECUTABLES)/append2simg
557VERITY_SIGNER := $(HOST_OUT_EXECUTABLES)/verity_signer
558BUILD_VERITY_TREE := $(HOST_OUT_EXECUTABLES)/build_verity_tree
559BOOT_SIGNER := $(HOST_OUT_EXECUTABLES)/boot_signer
560FUTILITY := prebuilts/misc/$(BUILD_OS)-$(HOST_PREBUILT_ARCH)/futility/futility
561VBOOT_SIGNER := prebuilts/misc/scripts/vboot_signer/vboot_signer.sh
562FEC := $(HOST_OUT_EXECUTABLES)/fec
563
564ifndef TARGET_BUILD_APPS
565ZIPTIME := $(HOST_OUT_EXECUTABLES)/ziptime$(HOST_EXECUTABLE_SUFFIX)
566endif
567
568# ijar converts a .jar file to a smaller .jar file which only has its
569# interfaces.
570IJAR := $(HOST_OUT_EXECUTABLES)/ijar$(BUILD_EXECUTABLE_SUFFIX)
571DEXDUMP := $(HOST_OUT_EXECUTABLES)/dexdump2$(BUILD_EXECUTABLE_SUFFIX)
572
573# relocation packer
574RELOCATION_PACKER := prebuilts/misc/$(BUILD_OS)-$(HOST_PREBUILT_ARCH)/relocation_packer/relocation_packer
575
576FINDBUGS_DIR := external/owasp/sanitizer/tools/findbugs/bin
577FINDBUGS := $(FINDBUGS_DIR)/findbugs
578EMMA_JAR := external/emma/lib/emma$(COMMON_JAVA_PACKAGE_SUFFIX)
579
580# Tool to merge AndroidManifest.xmls
581ANDROID_MANIFEST_MERGER := java -classpath prebuilts/devtools/tools/lib/manifest-merger.jar com.android.manifmerger.Main merge
582
583COLUMN:= column
584
585# We may not have the right JAVA_HOME/PATH set up yet when this is run from envsetup.sh.
586ifneq ($(CALLED_FROM_SETUP),true)
587HOST_JDK_TOOLS_JAR:= $(shell $(BUILD_SYSTEM)/find-jdk-tools-jar.sh)
588
589ifneq ($(HOST_JDK_TOOLS_JAR),)
590ifeq ($(wildcard $(HOST_JDK_TOOLS_JAR)),)
591$(error Error: could not find jdk tools.jar at $(HOST_JDK_TOOLS_JAR), please check if your JDK was installed correctly)
592endif
593endif
594
595# Is the host JDK 64-bit version?
596HOST_JDK_IS_64BIT_VERSION :=
597ifneq ($(filter 64-Bit, $(shell java -version 2>&1)),)
598HOST_JDK_IS_64BIT_VERSION := true
599endif
600endif  # CALLED_FROM_SETUP not true
601
602# It's called md5 on Mac OS and md5sum on Linux
603ifeq ($(HOST_OS),darwin)
604MD5SUM:=md5 -q
605else
606MD5SUM:=md5sum
607endif
608
609APICHECK_CLASSPATH := $(HOST_JDK_TOOLS_JAR)
610APICHECK_CLASSPATH := $(APICHECK_CLASSPATH):$(HOST_OUT_JAVA_LIBRARIES)/doclava$(COMMON_JAVA_PACKAGE_SUFFIX)
611APICHECK_CLASSPATH := $(APICHECK_CLASSPATH):$(HOST_OUT_JAVA_LIBRARIES)/jsilver$(COMMON_JAVA_PACKAGE_SUFFIX)
612APICHECK_COMMAND := $(APICHECK) -JXmx1024m -J"classpath $(APICHECK_CLASSPATH)"
613
614# The default key if not set as LOCAL_CERTIFICATE
615ifdef PRODUCT_DEFAULT_DEV_CERTIFICATE
616  DEFAULT_SYSTEM_DEV_CERTIFICATE := $(PRODUCT_DEFAULT_DEV_CERTIFICATE)
617else
618  DEFAULT_SYSTEM_DEV_CERTIFICATE := build/target/product/security/testkey
619endif
620
621# ###############################################################
622# Set up final options.
623# ###############################################################
624
625ifneq ($(COMMON_GLOBAL_CFLAGS)$(COMMON_GLOBAL_CPPFLAGS),)
626$(warning COMMON_GLOBAL_C(PP)FLAGS changed)
627$(info *** Device configurations are no longer allowed to change the global flags.)
628$(info *** COMMON_GLOBAL_CFLAGS: $(COMMON_GLOBAL_CFLAGS))
629$(info *** COMMON_GLOBAL_CPPFLAGS: $(COMMON_GLOBAL_CPPFLAGS))
630$(error bailing...)
631endif
632
633# These can be changed to modify both host and device modules.
634COMMON_GLOBAL_CFLAGS:= -DANDROID -fmessage-length=0 -W -Wall -Wno-unused -Winit-self -Wpointer-arith
635COMMON_RELEASE_CFLAGS:= -DNDEBUG -UDEBUG
636
637# Force gcc to always output color diagnostics.  Ninja will strip the ANSI
638# color codes if it is not running in a terminal.
639COMMON_GLOBAL_CFLAGS += -fdiagnostics-color
640
641COMMON_GLOBAL_CPPFLAGS:= -Wsign-promo
642COMMON_RELEASE_CPPFLAGS:=
643
644GLOBAL_CFLAGS_NO_OVERRIDE := \
645    -Werror=int-to-pointer-cast \
646    -Werror=pointer-to-int-cast \
647
648GLOBAL_CLANG_CFLAGS_NO_OVERRIDE := \
649    -Werror=address-of-temporary \
650    -Werror=null-dereference \
651    -Werror=return-type \
652
653GLOBAL_CPPFLAGS_NO_OVERRIDE :=
654
655# list of flags to turn specific warnings in to errors
656TARGET_ERROR_FLAGS := -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Werror=date-time
657
658# We run gcc/clang with PWD=/proc/self/cwd to remove the $TOP
659# from the debug output. That way two builds in two different
660# directories will create the same output.
661# /proc doesn't exist on Darwin.
662ifeq ($(HOST_OS),linux)
663RELATIVE_PWD := PWD=/proc/self/cwd
664# Remove this useless prefix from the debug output.
665COMMON_GLOBAL_CFLAGS += -fdebug-prefix-map=/proc/self/cwd=
666else
667RELATIVE_PWD :=
668endif
669
670# Allow the C/C++ macros __DATE__ and __TIME__ to be set to the
671# build date and time, so that a build may be repeated.
672# Write the date and time to a file so that the command line
673# doesn't change every time, which would cause ninja to rebuild
674# the files.
675$(shell mkdir -p $(OUT_DIR) && \
676    $(DATE) "+%b %_d %Y" > $(OUT_DIR)/build_c_date.txt && \
677    $(DATE) +%T > $(OUT_DIR)/build_c_time.txt)
678BUILD_DATETIME_C_DATE := $$(cat $(OUT_DIR)/build_c_date.txt)
679BUILD_DATETIME_C_TIME := $$(cat $(OUT_DIR)/build_c_time.txt)
680ifeq ($(OVERRIDE_C_DATE_TIME),true)
681COMMON_GLOBAL_CFLAGS += -Wno-builtin-macro-redefined -D__DATE__="\"$(BUILD_DATETIME_C_DATE)\"" -D__TIME__=\"$(BUILD_DATETIME_C_TIME)\"
682endif
683
684HOST_GLOBAL_CFLAGS += $(COMMON_GLOBAL_CFLAGS)
685HOST_RELEASE_CFLAGS += $(COMMON_RELEASE_CFLAGS)
686
687HOST_GLOBAL_CPPFLAGS += $(COMMON_GLOBAL_CPPFLAGS)
688HOST_RELEASE_CPPFLAGS += $(COMMON_RELEASE_CPPFLAGS)
689
690TARGET_GLOBAL_CFLAGS += $(COMMON_GLOBAL_CFLAGS)
691TARGET_RELEASE_CFLAGS += $(COMMON_RELEASE_CFLAGS)
692
693TARGET_GLOBAL_CPPFLAGS += $(COMMON_GLOBAL_CPPFLAGS)
694TARGET_RELEASE_CPPFLAGS += $(COMMON_RELEASE_CPPFLAGS)
695
696HOST_GLOBAL_LD_DIRS += -L$(HOST_OUT_INTERMEDIATE_LIBRARIES)
697TARGET_GLOBAL_LD_DIRS += -L$(TARGET_OUT_INTERMEDIATE_LIBRARIES)
698
699HOST_PROJECT_INCLUDES:= $(SRC_HEADERS) $(SRC_HOST_HEADERS) $(HOST_OUT_HEADERS)
700TARGET_PROJECT_INCLUDES:= $(SRC_HEADERS) $(TARGET_OUT_HEADERS) \
701		$(TARGET_DEVICE_KERNEL_HEADERS) $(TARGET_BOARD_KERNEL_HEADERS) \
702		$(TARGET_PRODUCT_KERNEL_HEADERS)
703
704# Many host compilers don't support these flags, so we have to make
705# sure to only specify them for the target compilers checked in to
706# the source tree.
707TARGET_GLOBAL_CFLAGS += $(TARGET_ERROR_FLAGS)
708
709HOST_GLOBAL_CFLAGS += $(HOST_RELEASE_CFLAGS)
710HOST_GLOBAL_CPPFLAGS += $(HOST_RELEASE_CPPFLAGS)
711
712TARGET_GLOBAL_CFLAGS += $(TARGET_RELEASE_CFLAGS)
713TARGET_GLOBAL_CPPFLAGS += $(TARGET_RELEASE_CPPFLAGS)
714
715ifdef TARGET_2ND_ARCH
716$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CFLAGS += $(COMMON_GLOBAL_CFLAGS)
717$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_RELEASE_CFLAGS += $(COMMON_RELEASE_CFLAGS)
718$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CPPFLAGS += $(COMMON_GLOBAL_CPPFLAGS)
719$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_RELEASE_CPPFLAGS += $(COMMON_RELEASE_CPPFLAGS)
720$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_LD_DIRS += -L$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATE_LIBRARIES)
721$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_PROJECT_INCLUDES := $(TARGET_PROJECT_INCLUDES)
722$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CFLAGS += $(TARGET_ERROR_FLAGS)
723$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CFLAGS += $($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_RELEASE_CFLAGS)
724$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CPPFLAGS += $($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_RELEASE_CPPFLAGS)
725endif
726
727ifdef HOST_2ND_ARCH
728$(HOST_2ND_ARCH_VAR_PREFIX)HOST_GLOBAL_CFLAGS += $(COMMON_GLOBAL_CFLAGS)
729$(HOST_2ND_ARCH_VAR_PREFIX)HOST_RELEASE_CFLAGS += $(COMMON_RELEASE_CFLAGS)
730$(HOST_2ND_ARCH_VAR_PREFIX)HOST_GLOBAL_CPPFLAGS += $(COMMON_GLOBAL_CPPFLAGS)
731$(HOST_2ND_ARCH_VAR_PREFIX)HOST_RELEASE_CPPFLAGS += $(COMMON_RELEASE_CPPFLAGS)
732$(HOST_2ND_ARCH_VAR_PREFIX)HOST_GLOBAL_LD_DIRS += -L$($(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_INTERMEDIATE_LIBRARIES)
733$(HOST_2ND_ARCH_VAR_PREFIX)HOST_PROJECT_INCLUDES := $(HOST_PROJECT_INCLUDES)
734$(HOST_2ND_ARCH_VAR_PREFIX)HOST_GLOBAL_CFLAGS += $($(HOST_2ND_ARCH_VAR_PREFIX)HOST_RELEASE_CFLAGS)
735$(HOST_2ND_ARCH_VAR_PREFIX)HOST_GLOBAL_CPPFLAGS += $($(HOST_2ND_ARCH_VAR_PREFIX)HOST_RELEASE_CPPFLAGS)
736endif
737
738ifdef HOST_CROSS_OS
739HOST_CROSS_GLOBAL_CFLAGS += $(filter-out $(HOST_CROSS_UNKNOWN_CFLAGS),$(COMMON_GLOBAL_CFLAGS))
740HOST_CROSS_RELEASE_CFLAGS += $(COMMON_RELEASE_CFLAGS)
741HOST_CROSS_GLOBAL_CPPFLAGS += $(COMMON_GLOBAL_CPPFLAGS)
742HOST_CROSS_RELEASE_CPPFLAGS += $(COMMON_RELEASE_CPPFLAGS)
743HOST_CROSS_GLOBAL_LD_DIRS += -L$(HOST_CROSS_OUT_INTERMEDIATE_LIBRARIES)
744HOST_CROSS_PROJECT_INCLUDES:= $(SRC_HEADERS) $(SRC_HOST_HEADERS) $(HOST_CROSS_OUT_HEADERS)
745HOST_CROSS_GLOBAL_CFLAGS += $(HOST_CROSS_RELEASE_CFLAGS)
746HOST_CROSS_GLOBAL_CPPFLAGS += $(HOST_CROSS_RELEASE_CPPFLAGS)
747endif
748
749ifdef BRILLO
750# Add a C define that identifies Brillo targets. __BRILLO__ should only be used
751# to differentiate between Brillo and non-Brillo-but-Android environments. Use
752# __ANDROID__ instead to test if something is being built in an Android-derived
753# environment (including Brillo) as opposed to an entirely different
754# environment (e.g. Chrome OS).
755TARGET_GLOBAL_CFLAGS += -D__BRILLO__
756ifdef TARGET_2ND_ARCH
757$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CFLAGS += -D__BRILLO__
758endif
759endif
760
761# allow overriding default Java libraries on a per-target basis
762ifeq ($(TARGET_DEFAULT_JAVA_LIBRARIES),)
763  TARGET_DEFAULT_JAVA_LIBRARIES := core-oj core-libart core-junit ext framework okhttp
764endif
765
766# Flags for DEX2OAT
767first_non_empty_of_three = $(if $(1),$(1),$(if $(2),$(2),$(3)))
768DEX2OAT_TARGET_ARCH := $(TARGET_ARCH)
769DEX2OAT_TARGET_CPU_VARIANT := $(call first_non_empty_of_three,$(TARGET_CPU_VARIANT),$(TARGET_ARCH_VARIANT),default)
770DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES := default
771
772ifdef TARGET_2ND_ARCH
773$(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_ARCH := $(TARGET_2ND_ARCH)
774$(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_CPU_VARIANT := $(call first_non_empty_of_three,$(TARGET_2ND_CPU_VARIANT),$(TARGET_2ND_ARCH_VARIANT),default)
775$(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES := default
776endif
777
778# define clang/llvm tools and global flags
779include $(BUILD_SYSTEM)/clang/config.mk
780
781# ###############################################################
782# Collect a list of the SDK versions that we could compile against
783# For use with the LOCAL_SDK_VERSION variable for include $(BUILD_PACKAGE)
784# ###############################################################
785
786HISTORICAL_SDK_VERSIONS_ROOT := $(TOPDIR)prebuilts/sdk
787HISTORICAL_NDK_VERSIONS_ROOT := $(TOPDIR)prebuilts/ndk
788
789# The path where app can reference the support library resources.
790ifdef TARGET_BUILD_APPS
791SUPPORT_LIBRARY_ROOT := $(HISTORICAL_SDK_VERSIONS_ROOT)/current/support
792else
793SUPPORT_LIBRARY_ROOT := frameworks/support
794endif
795
796# Historical SDK version N is stored in $(HISTORICAL_SDK_VERSIONS_ROOT)/N.
797# The 'current' version is whatever this source tree is.
798#
799# sgrax     is the opposite of xargs.  It takes the list of args and puts them
800#           on each line for sort to process.
801# sort -g   is a numeric sort, so 1 2 3 10 instead of 1 10 2 3.
802
803# Numerically sort a list of numbers
804# $(1): the list of numbers to be sorted
805define numerically_sort
806$(shell function sgrax() { \
807    while [ -n "$$1" ] ; do echo $$1 ; shift ; done \
808    } ; \
809    ( sgrax $(1) | sort -g ) )
810endef
811
812TARGET_AVAILABLE_SDK_VERSIONS := $(call numerically_sort,\
813    $(patsubst $(HISTORICAL_SDK_VERSIONS_ROOT)/%/android.jar,%, \
814    $(wildcard $(HISTORICAL_SDK_VERSIONS_ROOT)/*/android.jar)))
815
816# We don't have prebuilt system_current SDK yet.
817TARGET_AVAILABLE_SDK_VERSIONS := $(TARGET_AVAILABLE_SDK_VERSIONS)
818
819INTERNAL_PLATFORM_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/public_api.txt
820INTERNAL_PLATFORM_REMOVED_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/removed.txt
821INTERNAL_PLATFORM_SYSTEM_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/system-api.txt
822INTERNAL_PLATFORM_SYSTEM_REMOVED_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/system-removed.txt
823
824# This is the standard way to name a directory containing prebuilt target
825# objects. E.g., prebuilt/$(TARGET_PREBUILT_TAG)/libc.so
826TARGET_PREBUILT_TAG := android-$(TARGET_ARCH)
827ifdef TARGET_2ND_ARCH
828TARGET_2ND_PREBUILT_TAG := android-$(TARGET_2ND_ARCH)
829endif
830
831# Set up RS prebuilt variables for compatibility library
832
833RS_PREBUILT_CLCORE := prebuilts/sdk/renderscript/lib/$(TARGET_ARCH)/librsrt_$(TARGET_ARCH).bc
834RS_PREBUILT_COMPILER_RT := prebuilts/sdk/renderscript/lib/$(TARGET_ARCH)/libcompiler_rt.a
835ifeq (true,$(TARGET_IS_64_BIT))
836RS_PREBUILT_LIBPATH := -L prebuilts/ndk/current/platforms/android-21/arch-$(TARGET_ARCH)/usr/lib
837else
838RS_PREBUILT_LIBPATH := -L prebuilts/ndk/current/platforms/android-9/arch-$(TARGET_ARCH)/usr/lib
839endif
840
841# API Level lists for Renderscript Compat lib.
842RSCOMPAT_32BIT_ONLY_API_LEVELS := 8 9 10 11 12 13 14 15 16 17 18 19 20
843RSCOMPAT_NO_USAGEIO_API_LEVELS := 8 9 10 11 12 13
844
845include $(BUILD_SYSTEM)/dumpvar.mk
846