test/testrunner/env.py - platform/art - Git at Google

 # Copyright 2017, The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.

 import os
 import re
 import tempfile
 import subprocess

 _env = dict(os.environ)

 def _getEnvBoolean(var, default):
   val = _env.get(var)
   if val:
     if val == "True" or val == "true":
       return True
     if val == "False" or val == "false":
       return False
   return default

 _DUMP_MANY_VARS_LIST = ['HOST_2ND_ARCH_PREFIX',
                         'TARGET_2ND_ARCH',
                         'TARGET_ARCH',
                         'HOST_PREFER_32_BIT',
                         'HOST_OUT_EXECUTABLES']
 _DUMP_MANY_VARS = None  # To be set to a dictionary with above list being the keys,
                         # and the build variable being the value.
 def _dump_many_vars(var_name):
   """
   Reach into the Android build system to dump many build vars simultaneously.
   Since the make system is so slow, we want to avoid calling into build frequently.
   """
   global _DUMP_MANY_VARS
   global _DUMP_MANY_VARS_LIST

   # Look up var from cache.
   if _DUMP_MANY_VARS:
     return _DUMP_MANY_VARS[var_name]

   all_vars=" ".join(_DUMP_MANY_VARS_LIST)

   # The command is taken from build/envsetup.sh to fetch build variables.
   command = ("CALLED_FROM_SETUP=true "  # Enable the 'dump-many-vars' make target.
              "BUILD_SYSTEM=build/core " # Set up lookup path for make includes.
              "make --no-print-directory -C \"%s\" -f build/core/config.mk "
              "dump-many-vars DUMP_MANY_VARS=\"%s\"") % (ANDROID_BUILD_TOP, all_vars)

   config = subprocess.Popen(command,
                             stdout=subprocess.PIPE,
                             universal_newlines=True,
                             shell=True).communicate()[0] # read until EOF, select stdin
   # Prints out something like:
   # TARGET_ARCH='arm64'
   # HOST_ARCH='x86_64'
   _DUMP_MANY_VARS = {}
   for line in config.split("\n"):
     # Split out "$key='$value'" via regex.
     match = re.search("([^=]+)='([^']*)", line)
     if not match:
       continue
     key = match.group(1)
     value = match.group(2)
     _DUMP_MANY_VARS[key] = value

   return _DUMP_MANY_VARS[var_name]

 def _get_build_var(var_name):
   return _dump_many_vars(var_name)

 def get_env(key):
   return _env.get(key)

 def _get_android_build_top():
   path_to_top = _env.get('ANDROID_BUILD_TOP')
   if not path_to_top:
     # nothing set. try to guess it based on the relative path of this env.py file.
     this_file_path = os.path.realpath(__file__)
     path_to_top = os.path.join(os.path.dirname(this_file_path), '../../../')
     path_to_top = os.path.realpath(path_to_top)

   if not os.path.exists(os.path.join(path_to_top, 'build/envsetup.sh')):
     raise AssertionError("env.py must be located inside an android source tree")

   return path_to_top

 ANDROID_BUILD_TOP = _get_android_build_top()

 # Compiling with jack? Possible values in (True, False, 'default')
 ANDROID_COMPILE_WITH_JACK = _getEnvBoolean('ANDROID_COMPILE_WITH_JACK', 'default')

 # Directory used for temporary test files on the host.
 ART_HOST_TEST_DIR = tempfile.mkdtemp(prefix = 'test-art-')

 # Keep going after encountering a test failure?
 ART_TEST_KEEP_GOING = _getEnvBoolean('ART_TEST_KEEP_GOING', True)

 # Do you want all tests, even those that are time consuming?
 ART_TEST_FULL = _getEnvBoolean('ART_TEST_FULL', False)

 # Do you want interpreter tests run?
 ART_TEST_INTERPRETER = _getEnvBoolean('ART_TEST_INTERPRETER', ART_TEST_FULL)
 ART_TEST_INTERPRETER_ACCESS_CHECKS = _getEnvBoolean('ART_TEST_INTERPRETER_ACCESS_CHECKS',
                                                    ART_TEST_FULL)

 # Do you want JIT tests run?
 ART_TEST_JIT = _getEnvBoolean('ART_TEST_JIT', ART_TEST_FULL)

 # Do you want optimizing compiler tests run?
 ART_TEST_OPTIMIZING = _getEnvBoolean('ART_TEST_OPTIMIZING', ART_TEST_FULL)

 # Do you want to test the optimizing compiler with graph coloring register allocation?
 ART_TEST_OPTIMIZING_GRAPH_COLOR = _getEnvBoolean('ART_TEST_OPTIMIZING_GRAPH_COLOR', ART_TEST_FULL)

 # Do you want to do run-tests with profiles?
 ART_TEST_SPEED_PROFILE = _getEnvBoolean('ART_TEST_SPEED_PROFILE', ART_TEST_FULL)

 # Do we want to test PIC-compiled tests ("apps")?
 ART_TEST_PIC_TEST = _getEnvBoolean('ART_TEST_PIC_TEST', ART_TEST_FULL)
 # Do you want tracing tests run?
 ART_TEST_TRACE = _getEnvBoolean('ART_TEST_TRACE', ART_TEST_FULL)

 # Do you want tracing tests (streaming mode) run?
 ART_TEST_TRACE_STREAM = _getEnvBoolean('ART_TEST_TRACE_STREAM', ART_TEST_FULL)

 # Do you want tests with GC verification enabled run?
 ART_TEST_GC_VERIFY = _getEnvBoolean('ART_TEST_GC_VERIFY', ART_TEST_FULL)

 # Do you want tests with the GC stress mode enabled run?
 ART_TEST_GC_STRESS = _getEnvBoolean('ART_TEST_GC_STRESS', ART_TEST_FULL)

 # Do you want tests with the JNI forcecopy mode enabled run?
 ART_TEST_JNI_FORCECOPY = _getEnvBoolean('ART_TEST_JNI_FORCECOPY', ART_TEST_FULL)

 # Do you want run-tests with relocation disabled run?
 ART_TEST_RUN_TEST_RELOCATE = _getEnvBoolean('ART_TEST_RUN_TEST_RELOCATE', ART_TEST_FULL)

 # Do you want run-tests with prebuilding?
 ART_TEST_RUN_TEST_PREBUILD = _getEnvBoolean('ART_TEST_RUN_TEST_PREBUILD', ART_TEST_FULL)

 # Do you want run-tests with no prebuilding enabled run?
 ART_TEST_RUN_TEST_NO_PREBUILD = _getEnvBoolean('ART_TEST_RUN_TEST_NO_PREBUILD', ART_TEST_FULL)

 # Do you want run-tests with a pregenerated core.art?
 ART_TEST_RUN_TEST_IMAGE = _getEnvBoolean('ART_TEST_RUN_TEST_IMAGE', ART_TEST_FULL)

 # Do you want run-tests without a pregenerated core.art?
 ART_TEST_RUN_TEST_NO_IMAGE = _getEnvBoolean('ART_TEST_RUN_TEST_NO_IMAGE', ART_TEST_FULL)

 # Do you want run-tests with relocation enabled but patchoat failing?
 ART_TEST_RUN_TEST_RELOCATE_NO_PATCHOAT = _getEnvBoolean('ART_TEST_RUN_TEST_RELOCATE_NO_PATCHOAT',
                                                        ART_TEST_FULL)

 # Do you want run-tests without a dex2oat?
 ART_TEST_RUN_TEST_NO_DEX2OAT = _getEnvBoolean('ART_TEST_RUN_TEST_NO_DEX2OAT', ART_TEST_FULL)

 # Do you want run-tests with libartd.so?
 ART_TEST_RUN_TEST_DEBUG = _getEnvBoolean('ART_TEST_RUN_TEST_DEBUG', ART_TEST_FULL)

 # Do you want run-tests with libart.so?
 ART_TEST_RUN_TEST_NDEBUG = _getEnvBoolean('ART_TEST_RUN_TEST_NDEBUG', ART_TEST_FULL)

 # Do you want failed tests to have their artifacts cleaned up?
 ART_TEST_RUN_TEST_ALWAYS_CLEAN = _getEnvBoolean('ART_TEST_RUN_TEST_ALWAYS_CLEAN', True)

 # Do you want run-tests with the --debuggable flag
 ART_TEST_RUN_TEST_DEBUGGABLE = _getEnvBoolean('ART_TEST_RUN_TEST_DEBUGGABLE', ART_TEST_FULL)

 # Do you want to test multi-part boot-image functionality?
 ART_TEST_RUN_TEST_MULTI_IMAGE = _getEnvBoolean('ART_TEST_RUN_TEST_MULTI_IMAGE', ART_TEST_FULL)

 ART_TEST_DEBUG_GC = _getEnvBoolean('ART_TEST_DEBUG_GC', False)

 ART_TEST_BISECTION = _getEnvBoolean('ART_TEST_BISECTION', False)

 DEX2OAT_HOST_INSTRUCTION_SET_FEATURES = _env.get('DEX2OAT_HOST_INSTRUCTION_SET_FEATURES')

 # Do you want run-tests with the host/target's second arch?
 ART_TEST_RUN_TEST_2ND_ARCH = _getEnvBoolean('ART_TEST_RUN_TEST_2ND_ARCH', True)

 HOST_2ND_ARCH_PREFIX = _get_build_var('HOST_2ND_ARCH_PREFIX')
 HOST_2ND_ARCH_PREFIX_DEX2OAT_HOST_INSTRUCTION_SET_FEATURES = _env.get(
   HOST_2ND_ARCH_PREFIX + 'DEX2OAT_HOST_INSTRUCTION_SET_FEATURES')

 ART_TEST_ANDROID_ROOT = _env.get('ART_TEST_ANDROID_ROOT')

 ART_TEST_WITH_STRACE = _getEnvBoolean('ART_TEST_DEBUG_GC', False)

 EXTRA_DISABLED_TESTS = set(_env.get("ART_TEST_RUN_TEST_SKIP", "").split())

 ART_TEST_RUN_TEST_BUILD = _getEnvBoolean('ART_TEST_RUN_TEST_BUILD', False)

 TARGET_2ND_ARCH = _get_build_var('TARGET_2ND_ARCH')
 TARGET_ARCH = _get_build_var('TARGET_ARCH')

 # Note: ART_2ND_PHONY_TEST_TARGET_SUFFIX is 2ND_ART_PHONY_TEST_TARGET_SUFFIX in .mk files
 # Note: ART_2ND_PHONY_TEST_HOST_SUFFIX is 2ND_ART_PHONY_HOST_TARGET_SUFFIX in .mk files
 # Python does not let us have variable names starting with a digit, so it has differ.

 ART_TEST_RUN_TEST_JVMTI_STRESS = _getEnvBoolean('ART_TEST_RUN_TEST_JVMTI_STRESS', ART_TEST_FULL)

 if TARGET_2ND_ARCH:
   if "64" in TARGET_ARCH:
     ART_PHONY_TEST_TARGET_SUFFIX = "64"
     ART_2ND_PHONY_TEST_TARGET_SUFFIX = "32"
   else:
     ART_PHONY_TEST_TARGET_SUFFIX = "32"
     ART_2ND_PHONY_TEST_TARGET_SUFFIX = ""
 else:
   if "64" in TARGET_ARCH:
     ART_PHONY_TEST_TARGET_SUFFIX = "64"
     ART_2ND_PHONY_TEST_TARGET_SUFFIX = ""
   else:
     ART_PHONY_TEST_TARGET_SUFFIX = "32"
     ART_2ND_PHONY_TEST_TARGET_SUFFIX = ""

 HOST_PREFER_32_BIT = _get_build_var('HOST_PREFER_32_BIT')
 if HOST_PREFER_32_BIT == "true":
   ART_PHONY_TEST_HOST_SUFFIX = "32"
   ART_2ND_PHONY_TEST_HOST_SUFFIX = ""
 else:
   ART_PHONY_TEST_HOST_SUFFIX = "64"
   ART_2ND_PHONY_TEST_HOST_SUFFIX = "32"

 HOST_OUT_EXECUTABLES = os.path.join(ANDROID_BUILD_TOP,
                                     _get_build_var("HOST_OUT_EXECUTABLES"))
 os.environ['JACK'] = HOST_OUT_EXECUTABLES + '/jack'
 os.environ['DX'] = HOST_OUT_EXECUTABLES + '/dx'
 os.environ['SMALI'] = HOST_OUT_EXECUTABLES + '/smali'
 os.environ['JASMIN'] = HOST_OUT_EXECUTABLES + '/jasmin'
 os.environ['DXMERGER'] = HOST_OUT_EXECUTABLES + '/dexmerger'
	# Copyright 2017, The Android Open Source Project
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.

	import os
	import re
	import tempfile
	import subprocess

	_env = dict(os.environ)

	def _getEnvBoolean(var, default):
	val = _env.get(var)
	if val:
	if val == "True" or val == "true":
	return True
	if val == "False" or val == "false":
	return False
	return default

	_DUMP_MANY_VARS_LIST = ['HOST_2ND_ARCH_PREFIX',
	'TARGET_2ND_ARCH',
	'TARGET_ARCH',
	'HOST_PREFER_32_BIT',
	'HOST_OUT_EXECUTABLES']
	_DUMP_MANY_VARS = None # To be set to a dictionary with above list being the keys,
	# and the build variable being the value.
	def _dump_many_vars(var_name):
	"""
	Reach into the Android build system to dump many build vars simultaneously.
	Since the make system is so slow, we want to avoid calling into build frequently.
	"""
	global _DUMP_MANY_VARS
	global _DUMP_MANY_VARS_LIST

	# Look up var from cache.
	if _DUMP_MANY_VARS:
	return _DUMP_MANY_VARS[var_name]

	all_vars=" ".join(_DUMP_MANY_VARS_LIST)

	# The command is taken from build/envsetup.sh to fetch build variables.
	command = ("CALLED_FROM_SETUP=true " # Enable the 'dump-many-vars' make target.
	"BUILD_SYSTEM=build/core " # Set up lookup path for make includes.
	"make --no-print-directory -C \"%s\" -f build/core/config.mk "
	"dump-many-vars DUMP_MANY_VARS=\"%s\"") % (ANDROID_BUILD_TOP, all_vars)

	config = subprocess.Popen(command,
	stdout=subprocess.PIPE,
	universal_newlines=True,
	shell=True).communicate()[0] # read until EOF, select stdin
	# Prints out something like:
	# TARGET_ARCH='arm64'
	# HOST_ARCH='x86_64'
	_DUMP_MANY_VARS = {}
	for line in config.split("\n"):
	# Split out "$key='$value'" via regex.
	match = re.search("([^=]+)='([^']*)", line)
	if not match:
	continue
	key = match.group(1)
	value = match.group(2)
	_DUMP_MANY_VARS[key] = value

	return _DUMP_MANY_VARS[var_name]

	def _get_build_var(var_name):
	return _dump_many_vars(var_name)

	def get_env(key):
	return _env.get(key)

	def _get_android_build_top():
	path_to_top = _env.get('ANDROID_BUILD_TOP')
	if not path_to_top:
	# nothing set. try to guess it based on the relative path of this env.py file.
	this_file_path = os.path.realpath(__file__)
	path_to_top = os.path.join(os.path.dirname(this_file_path), '../../../')
	path_to_top = os.path.realpath(path_to_top)

	if not os.path.exists(os.path.join(path_to_top, 'build/envsetup.sh')):
	raise AssertionError("env.py must be located inside an android source tree")

	return path_to_top

	ANDROID_BUILD_TOP = _get_android_build_top()

	# Compiling with jack? Possible values in (True, False, 'default')
	ANDROID_COMPILE_WITH_JACK = _getEnvBoolean('ANDROID_COMPILE_WITH_JACK', 'default')

	# Directory used for temporary test files on the host.
	ART_HOST_TEST_DIR = tempfile.mkdtemp(prefix = 'test-art-')

	# Keep going after encountering a test failure?
	ART_TEST_KEEP_GOING = _getEnvBoolean('ART_TEST_KEEP_GOING', True)

	# Do you want all tests, even those that are time consuming?
	ART_TEST_FULL = _getEnvBoolean('ART_TEST_FULL', False)

	# Do you want interpreter tests run?
	ART_TEST_INTERPRETER = _getEnvBoolean('ART_TEST_INTERPRETER', ART_TEST_FULL)
	ART_TEST_INTERPRETER_ACCESS_CHECKS = _getEnvBoolean('ART_TEST_INTERPRETER_ACCESS_CHECKS',
	ART_TEST_FULL)

	# Do you want JIT tests run?
	ART_TEST_JIT = _getEnvBoolean('ART_TEST_JIT', ART_TEST_FULL)

	# Do you want optimizing compiler tests run?
	ART_TEST_OPTIMIZING = _getEnvBoolean('ART_TEST_OPTIMIZING', ART_TEST_FULL)

	# Do you want to test the optimizing compiler with graph coloring register allocation?
	ART_TEST_OPTIMIZING_GRAPH_COLOR = _getEnvBoolean('ART_TEST_OPTIMIZING_GRAPH_COLOR', ART_TEST_FULL)

	# Do you want to do run-tests with profiles?
	ART_TEST_SPEED_PROFILE = _getEnvBoolean('ART_TEST_SPEED_PROFILE', ART_TEST_FULL)

	# Do we want to test PIC-compiled tests ("apps")?
	ART_TEST_PIC_TEST = _getEnvBoolean('ART_TEST_PIC_TEST', ART_TEST_FULL)
	# Do you want tracing tests run?
	ART_TEST_TRACE = _getEnvBoolean('ART_TEST_TRACE', ART_TEST_FULL)

	# Do you want tracing tests (streaming mode) run?
	ART_TEST_TRACE_STREAM = _getEnvBoolean('ART_TEST_TRACE_STREAM', ART_TEST_FULL)

	# Do you want tests with GC verification enabled run?
	ART_TEST_GC_VERIFY = _getEnvBoolean('ART_TEST_GC_VERIFY', ART_TEST_FULL)

	# Do you want tests with the GC stress mode enabled run?
	ART_TEST_GC_STRESS = _getEnvBoolean('ART_TEST_GC_STRESS', ART_TEST_FULL)

	# Do you want tests with the JNI forcecopy mode enabled run?
	ART_TEST_JNI_FORCECOPY = _getEnvBoolean('ART_TEST_JNI_FORCECOPY', ART_TEST_FULL)

	# Do you want run-tests with relocation disabled run?
	ART_TEST_RUN_TEST_RELOCATE = _getEnvBoolean('ART_TEST_RUN_TEST_RELOCATE', ART_TEST_FULL)

	# Do you want run-tests with prebuilding?
	ART_TEST_RUN_TEST_PREBUILD = _getEnvBoolean('ART_TEST_RUN_TEST_PREBUILD', ART_TEST_FULL)

	# Do you want run-tests with no prebuilding enabled run?
	ART_TEST_RUN_TEST_NO_PREBUILD = _getEnvBoolean('ART_TEST_RUN_TEST_NO_PREBUILD', ART_TEST_FULL)

	# Do you want run-tests with a pregenerated core.art?
	ART_TEST_RUN_TEST_IMAGE = _getEnvBoolean('ART_TEST_RUN_TEST_IMAGE', ART_TEST_FULL)

	# Do you want run-tests without a pregenerated core.art?
	ART_TEST_RUN_TEST_NO_IMAGE = _getEnvBoolean('ART_TEST_RUN_TEST_NO_IMAGE', ART_TEST_FULL)

	# Do you want run-tests with relocation enabled but patchoat failing?
	ART_TEST_RUN_TEST_RELOCATE_NO_PATCHOAT = _getEnvBoolean('ART_TEST_RUN_TEST_RELOCATE_NO_PATCHOAT',
	ART_TEST_FULL)

	# Do you want run-tests without a dex2oat?
	ART_TEST_RUN_TEST_NO_DEX2OAT = _getEnvBoolean('ART_TEST_RUN_TEST_NO_DEX2OAT', ART_TEST_FULL)

	# Do you want run-tests with libartd.so?
	ART_TEST_RUN_TEST_DEBUG = _getEnvBoolean('ART_TEST_RUN_TEST_DEBUG', ART_TEST_FULL)

	# Do you want run-tests with libart.so?
	ART_TEST_RUN_TEST_NDEBUG = _getEnvBoolean('ART_TEST_RUN_TEST_NDEBUG', ART_TEST_FULL)

	# Do you want failed tests to have their artifacts cleaned up?
	ART_TEST_RUN_TEST_ALWAYS_CLEAN = _getEnvBoolean('ART_TEST_RUN_TEST_ALWAYS_CLEAN', True)

	# Do you want run-tests with the --debuggable flag
	ART_TEST_RUN_TEST_DEBUGGABLE = _getEnvBoolean('ART_TEST_RUN_TEST_DEBUGGABLE', ART_TEST_FULL)

	# Do you want to test multi-part boot-image functionality?
	ART_TEST_RUN_TEST_MULTI_IMAGE = _getEnvBoolean('ART_TEST_RUN_TEST_MULTI_IMAGE', ART_TEST_FULL)

	ART_TEST_DEBUG_GC = _getEnvBoolean('ART_TEST_DEBUG_GC', False)

	ART_TEST_BISECTION = _getEnvBoolean('ART_TEST_BISECTION', False)

	DEX2OAT_HOST_INSTRUCTION_SET_FEATURES = _env.get('DEX2OAT_HOST_INSTRUCTION_SET_FEATURES')

	# Do you want run-tests with the host/target's second arch?
	ART_TEST_RUN_TEST_2ND_ARCH = _getEnvBoolean('ART_TEST_RUN_TEST_2ND_ARCH', True)

	HOST_2ND_ARCH_PREFIX = _get_build_var('HOST_2ND_ARCH_PREFIX')
	HOST_2ND_ARCH_PREFIX_DEX2OAT_HOST_INSTRUCTION_SET_FEATURES = _env.get(
	HOST_2ND_ARCH_PREFIX + 'DEX2OAT_HOST_INSTRUCTION_SET_FEATURES')

	ART_TEST_ANDROID_ROOT = _env.get('ART_TEST_ANDROID_ROOT')

	ART_TEST_WITH_STRACE = _getEnvBoolean('ART_TEST_DEBUG_GC', False)

	EXTRA_DISABLED_TESTS = set(_env.get("ART_TEST_RUN_TEST_SKIP", "").split())

	ART_TEST_RUN_TEST_BUILD = _getEnvBoolean('ART_TEST_RUN_TEST_BUILD', False)

	TARGET_2ND_ARCH = _get_build_var('TARGET_2ND_ARCH')
	TARGET_ARCH = _get_build_var('TARGET_ARCH')

	# Note: ART_2ND_PHONY_TEST_TARGET_SUFFIX is 2ND_ART_PHONY_TEST_TARGET_SUFFIX in .mk files
	# Note: ART_2ND_PHONY_TEST_HOST_SUFFIX is 2ND_ART_PHONY_HOST_TARGET_SUFFIX in .mk files
	# Python does not let us have variable names starting with a digit, so it has differ.

	ART_TEST_RUN_TEST_JVMTI_STRESS = _getEnvBoolean('ART_TEST_RUN_TEST_JVMTI_STRESS', ART_TEST_FULL)

	if TARGET_2ND_ARCH:
	if "64" in TARGET_ARCH:
	ART_PHONY_TEST_TARGET_SUFFIX = "64"
	ART_2ND_PHONY_TEST_TARGET_SUFFIX = "32"
	else:
	ART_PHONY_TEST_TARGET_SUFFIX = "32"
	ART_2ND_PHONY_TEST_TARGET_SUFFIX = ""
	else:
	if "64" in TARGET_ARCH:
	ART_PHONY_TEST_TARGET_SUFFIX = "64"
	ART_2ND_PHONY_TEST_TARGET_SUFFIX = ""
	else:
	ART_PHONY_TEST_TARGET_SUFFIX = "32"
	ART_2ND_PHONY_TEST_TARGET_SUFFIX = ""

	HOST_PREFER_32_BIT = _get_build_var('HOST_PREFER_32_BIT')
	if HOST_PREFER_32_BIT == "true":
	ART_PHONY_TEST_HOST_SUFFIX = "32"
	ART_2ND_PHONY_TEST_HOST_SUFFIX = ""
	else:
	ART_PHONY_TEST_HOST_SUFFIX = "64"
	ART_2ND_PHONY_TEST_HOST_SUFFIX = "32"

	HOST_OUT_EXECUTABLES = os.path.join(ANDROID_BUILD_TOP,
	_get_build_var("HOST_OUT_EXECUTABLES"))
	os.environ['JACK'] = HOST_OUT_EXECUTABLES + '/jack'
	os.environ['DX'] = HOST_OUT_EXECUTABLES + '/dx'
	os.environ['SMALI'] = HOST_OUT_EXECUTABLES + '/smali'
	os.environ['JASMIN'] = HOST_OUT_EXECUTABLES + '/jasmin'
	os.environ['DXMERGER'] = HOST_OUT_EXECUTABLES + '/dexmerger'