SConstruct - platform/system/update_engine - Gitiles

 # Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.

 import os

 # Protobuffer compilation
 def ProtocolBufferEmitter(target, source, env):
   """ Inputs:
           target: list of targets to compile to
           source: list of sources to compile
           env: the scons environment in which we are compiling
       Outputs:
           target: the list of targets we'll emit
           source: the list of sources we'll compile"""
   output = str(source[0])
   output = output[0:output.rfind('.proto')]
   target = [
     output + '.pb.cc',
     output + '.pb.h',
   ]
   return target, source

 def ProtocolBufferGenerator(source, target, env, for_signature):
   """ Inputs:
           source: list of sources to process
           target: list of targets to generate
           env: scons environment in which we are working
           for_signature: unused
       Outputs: a list of commands to execute to generate the targets from
                the sources."""
   commands = [
     '/usr/bin/protoc '
     ' --proto_path . ${SOURCES} --cpp_out .']
   return commands

 proto_builder = Builder(generator = ProtocolBufferGenerator,
                         emitter = ProtocolBufferEmitter,
                         single_source = 1,
                         suffix = '.pb.cc')

 def DbusBindingsEmitter(target, source, env):
   """ Inputs:
           target: unused
           source: list containing the source .xml file
           env: the scons environment in which we are compiling
       Outputs:
           target: the list of targets we'll emit
           source: the list of sources we'll process"""
   output = str(source[0])
   output = output[0:output.rfind('.xml')]
   target = [
     output + '.dbusserver.h',
     output + '.dbusclient.h'
   ]
   return target, source

 def DbusBindingsGenerator(source, target, env, for_signature):
   """ Inputs:
           source: list of sources to process
           target: list of targets to generate
           env: scons environment in which we are working
           for_signature: unused
       Outputs: a list of commands to execute to generate the targets from
                the sources."""
   commands = []
   for target_file in target:
     if str(target_file).endswith('.dbusserver.h'):
       mode_flag = '--mode=glib-server '
     else:
       mode_flag = '--mode=glib-client '
     cmd = '/usr/bin/dbus-binding-tool %s --prefix=update_engine_service ' \
           '%s > %s' % (mode_flag, str(source[0]), str(target_file))
     commands.append(cmd)
   return commands

 dbus_bindings_builder = Builder(generator = DbusBindingsGenerator,
                                 emitter = DbusBindingsEmitter,
                                 single_source = 1,
                                 suffix = 'dbusclient.h')

 def GlibMarshalEmitter(target, source, env):
   """ Inputs:
           target: unused
           source: list containing the source .list file
           env: the scons environment in which we are compiling
       Outputs:
           target: the list of targets we'll emit
           source: the list of sources we'll process"""
   output = str(source[0])
   output = output[0:output.rfind('.list')]
   target = [
     output + '.glibmarshal.c',
     output + '.glibmarshal.h'
   ]
   return target, source

 def GlibMarshalGenerator(source, target, env, for_signature):
   """ Inputs:
           source: list of sources to process
           target: list of targets to generate
           env: scons environment in which we are working
           for_signature: unused
       Outputs: a list of commands to execute to generate the targets from
                the sources."""
   commands = []
   for target_file in target:
     if str(target_file).endswith('.glibmarshal.h'):
       mode_flag = '--header '
     else:
       mode_flag = '--body '
     cmd = '/usr/bin/glib-genmarshal %s --prefix=update_engine ' \
           '%s > %s' % (mode_flag, str(source[0]), str(target_file))
     commands.append(cmd)
   return commands

 glib_marshal_builder = Builder(generator = GlibMarshalGenerator,
                                emitter = GlibMarshalEmitter,
                                single_source = 1,
                                suffix = 'glibmarshal.c')

 # Public key generation
 def PublicKeyEmitter(target, source, env):
   """ Inputs:
           target: list of targets to compile to
           source: list of sources to compile
           env: the scons environment in which we are compiling
       Outputs:
           target: the list of targets we'll emit
           source: the list of sources we'll compile"""
   targets = []
   for source_file in source:
     output = str(source_file)
     output = output[0:output.rfind('.pem')]
     output += '.pub.pem'
     targets.append(output)
   return targets, source

 def PublicKeyGenerator(source, target, env, for_signature):
   """ Inputs:
           source: list of sources to process
           target: list of targets to generate
           env: scons environment in which we are working
           for_signature: unused
       Outputs: a list of commands to execute to generate the targets from
                the sources."""
   commands = []
   for source_file in source:
     output = str(source_file)
     output = output[0:output.rfind('.pem')]
     output += '.pub.pem'
     cmd = '/usr/bin/openssl rsa -in %s -pubout -out %s' % (source_file, output)
     commands.append(cmd)
   return commands

 public_key_builder = Builder(generator = PublicKeyGenerator,
                              emitter = PublicKeyEmitter,
                              suffix = '.pub.pem')

 env = Environment()
 for key in Split('CC CXX AR RANLIB LD NM'):
   value = os.environ.get(key)
   if value != None:
     env[key] = value
 for key in Split('CFLAGS CCFLAGS CPPPATH LIBPATH'):
   value = os.environ.get(key)
   if value != None:
     env[key] = Split(value)

 for key in Split('PKG_CONFIG_LIBDIR PKG_CONFIG_PATH SYSROOT'):
   if os.environ.has_key(key):
     env['ENV'][key] = os.environ[key]


 env['CCFLAGS'] = ' '.join("""-g
                              -fno-exceptions
                              -fno-strict-aliasing
                              -Wall
                              -Wclobbered
                              -Wclobbered
                              -Wempty-body
                              -Wempty-body
                              -Werror
                              -Wignored-qualifiers
                              -Wignored-qualifiers
                              -Wmissing-field-initializers
                              -Wno-format
                              -Wsign-compare
                              -Wtype-limits
                              -Wtype-limits
                              -Wuninitialized
                              -D__STDC_FORMAT_MACROS=1
                              -D_FILE_OFFSET_BITS=64
                              -D_POSIX_C_SOURCE=199309L
                              -I/usr/include/libxml2""".split());
 env['CCFLAGS'] += (' ' + ' '.join(env['CFLAGS']))

 BASE_VER = os.environ.get('BASE_VER', '180609')
 env['LIBS'] = Split("""bz2
                        crypto
                        curl
                        ext2fs
                        gflags
                        glib-2.0
                        gthread-2.0
                        libpcrecpp
                        metrics
                        policy-%s
                        protobuf
                        pthread
                        rootdev
                        rt
                        ssl
                        udev
                        xml2""" % BASE_VER)
 env['CPPPATH'] = ['..']
 env['BUILDERS']['ProtocolBuffer'] = proto_builder
 env['BUILDERS']['DbusBindings'] = dbus_bindings_builder
 env['BUILDERS']['GlibMarshal'] = glib_marshal_builder
 env['BUILDERS']['PublicKey'] = public_key_builder

 # Fix issue with scons not passing pkg-config vars through the environment.
 for key in Split('PKG_CONFIG_LIBDIR PKG_CONFIG_PATH'):
   if os.environ.has_key(key):
     env['ENV'][key] = os.environ[key]

 pkgconfig = os.environ.get('PKG_CONFIG', 'pkg-config')

 env.ParseConfig(pkgconfig + ' --cflags --libs '
                 'dbus-1 dbus-glib-1 gio-2.0 gio-unix-2.0 glib-2.0 libchrome-%s '
                 'libchromeos-%s' % (BASE_VER, BASE_VER))
 env.ProtocolBuffer('update_metadata.pb.cc', 'update_metadata.proto')
 env.PublicKey('unittest_key.pub.pem', 'unittest_key.pem')
 env.PublicKey('unittest_key2.pub.pem', 'unittest_key2.pem')

 env.DbusBindings('update_engine.dbusclient.h', 'update_engine.xml')

 env.GlibMarshal('marshal.glibmarshal.c', 'marshal.list')

 if ARGUMENTS.get('debug', 0):
   env['CCFLAGS'] += ['-fprofile-arcs', '-ftest-coverage']
   env['LIBS'] += ['bz2', 'gcov']

 sources = Split("""action_processor.cc
                    bzip.cc
                    bzip_extent_writer.cc
                    certificate_checker.cc
                    chrome_browser_proxy_resolver.cc
                    chrome_proxy_resolver.cc
                    clock.cc
                    connection_manager.cc
                    constants.cc
                    cycle_breaker.cc
                    dbus_service.cc
                    delta_diff_generator.cc
                    delta_performer.cc
                    download_action.cc
                    extent_mapper.cc
                    extent_ranges.cc
                    extent_writer.cc
                    filesystem_copier_action.cc
                    filesystem_iterator.cc
                    file_descriptor.cc
                    file_writer.cc
                    full_update_generator.cc
                    gpio_handler.cc
                    graph_utils.cc
                    http_common.cc
                    http_fetcher.cc
                    install_plan.cc
                    libcurl_http_fetcher.cc
                    marshal.glibmarshal.c
                    metadata.cc
                    multi_range_http_fetcher.cc
                    omaha_hash_calculator.cc
                    omaha_request_action.cc
                    omaha_request_params.cc
                    omaha_response_handler_action.cc
                    payload_signer.cc
                    payload_state.cc
                    postinstall_runner_action.cc
                    prefs.cc
                    proxy_resolver.cc
                    simple_key_value_store.cc
                    subprocess.cc
                    system_state.cc
                    tarjan.cc
                    terminator.cc
                    topological_sort.cc
                    update_attempter.cc
                    update_check_scheduler.cc
                    update_metadata.pb.cc
                    utils.cc""")
 main = ['main.cc']

 unittest_sources = Split("""action_unittest.cc
                             action_pipe_unittest.cc
                             action_processor_unittest.cc
                             bzip_extent_writer_unittest.cc
                             certificate_checker_unittest.cc
                             chrome_browser_proxy_resolver_unittest.cc
                             chrome_proxy_resolver_unittest.cc
                             connection_manager_unittest.cc
                             cycle_breaker_unittest.cc
                             delta_diff_generator_unittest.cc
                             delta_performer_unittest.cc
                             download_action_unittest.cc
                             extent_mapper_unittest.cc
                             extent_ranges_unittest.cc
                             extent_writer_unittest.cc
                             file_writer_unittest.cc
                             filesystem_copier_action_unittest.cc
                             filesystem_iterator_unittest.cc
                             full_update_generator_unittest.cc
                             gpio_handler_unittest.cc
                             gpio_mock_file_descriptor.cc
                             gpio_mock_udev_interface.cc
                             graph_utils_unittest.cc
                             http_fetcher_unittest.cc
                             metadata_unittest.cc
                             mock_http_fetcher.cc
                             mock_system_state.cc
                             omaha_hash_calculator_unittest.cc
                             omaha_request_action_unittest.cc
                             omaha_request_params_unittest.cc
                             omaha_response_handler_action_unittest.cc
                             payload_signer_unittest.cc
                             payload_state_unittest.cc
                             postinstall_runner_action_unittest.cc
                             prefs_unittest.cc
                             simple_key_value_store_unittest.cc
                             subprocess_unittest.cc
                             tarjan_unittest.cc
                             terminator_unittest.cc
                             test_utils.cc
                             topological_sort_unittest.cc
                             update_attempter_unittest.cc
                             update_check_scheduler_unittest.cc
                             utils_unittest.cc
                             zip_unittest.cc""")
 unittest_main = ['testrunner.cc']

 client_main = ['update_engine_client.cc']

 delta_generator_main = ['generate_delta_main.cc']

 # Hack to generate header files first. They are generated as a side effect
 # of generating other files (usually their corresponding .c(c) files),
 # so we make all sources depend on those other files.
 all_sources = []
 all_sources.extend(sources)
 all_sources.extend(unittest_sources)
 all_sources.extend(main)
 all_sources.extend(unittest_main)
 all_sources.extend(client_main)
 all_sources.extend(delta_generator_main)
 for source in all_sources:
   if source.endswith('_unittest.cc'):
     env.Depends(source, 'unittest_key.pub.pem')
   if source.endswith('.glibmarshal.c') or source.endswith('.pb.cc'):
     continue
   env.Depends(source, 'update_metadata.pb.cc')
   env.Depends(source, 'marshal.glibmarshal.c')
   env.Depends(source, 'update_engine.dbusclient.h')

 update_engine_core = env.Library('update_engine_core', sources)
 env.Prepend(LIBS=[update_engine_core])

 env.Program('update_engine', main)

 client_cmd = env.Program('update_engine_client', client_main);

 delta_generator_cmd = env.Program('delta_generator',
                                   delta_generator_main)

 http_server_cmd = env.Program('test_http_server', 'test_http_server.cc')

 unittest_env = env.Clone()
 unittest_env.Append(LIBS=['gmock', 'gtest'])
 unittest_cmd = unittest_env.Program('update_engine_unittests',
                            unittest_sources + unittest_main)
 Clean(unittest_cmd, Glob('*.gcda') + Glob('*.gcno') + Glob('*.gcov') +
                     Split('html app.info'))
	# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
	# Use of this source code is governed by a BSD-style license that can be
	# found in the LICENSE file.

	import os

	# Protobuffer compilation
	def ProtocolBufferEmitter(target, source, env):
	""" Inputs:
	target: list of targets to compile to
	source: list of sources to compile
	env: the scons environment in which we are compiling
	Outputs:
	target: the list of targets we'll emit
	source: the list of sources we'll compile"""
	output = str(source[0])
	output = output[0:output.rfind('.proto')]
	target = [
	output + '.pb.cc',
	output + '.pb.h',
	]
	return target, source

	def ProtocolBufferGenerator(source, target, env, for_signature):
	""" Inputs:
	source: list of sources to process
	target: list of targets to generate
	env: scons environment in which we are working
	for_signature: unused
	Outputs: a list of commands to execute to generate the targets from
	the sources."""
	commands = [
	'/usr/bin/protoc '
	' --proto_path . ${SOURCES} --cpp_out .']
	return commands

	proto_builder = Builder(generator = ProtocolBufferGenerator,
	emitter = ProtocolBufferEmitter,
	single_source = 1,
	suffix = '.pb.cc')

	def DbusBindingsEmitter(target, source, env):
	""" Inputs:
	target: unused
	source: list containing the source .xml file
	env: the scons environment in which we are compiling
	Outputs:
	target: the list of targets we'll emit
	source: the list of sources we'll process"""
	output = str(source[0])
	output = output[0:output.rfind('.xml')]
	target = [
	output + '.dbusserver.h',
	output + '.dbusclient.h'
	]
	return target, source

	def DbusBindingsGenerator(source, target, env, for_signature):
	""" Inputs:
	source: list of sources to process
	target: list of targets to generate
	env: scons environment in which we are working
	for_signature: unused
	Outputs: a list of commands to execute to generate the targets from
	the sources."""
	commands = []
	for target_file in target:
	if str(target_file).endswith('.dbusserver.h'):
	mode_flag = '--mode=glib-server '
	else:
	mode_flag = '--mode=glib-client '
	cmd = '/usr/bin/dbus-binding-tool %s --prefix=update_engine_service ' \
	'%s > %s' % (mode_flag, str(source[0]), str(target_file))
	commands.append(cmd)
	return commands

	dbus_bindings_builder = Builder(generator = DbusBindingsGenerator,
	emitter = DbusBindingsEmitter,
	single_source = 1,
	suffix = 'dbusclient.h')

	def GlibMarshalEmitter(target, source, env):
	""" Inputs:
	target: unused
	source: list containing the source .list file
	env: the scons environment in which we are compiling
	Outputs:
	target: the list of targets we'll emit
	source: the list of sources we'll process"""
	output = str(source[0])
	output = output[0:output.rfind('.list')]
	target = [
	output + '.glibmarshal.c',
	output + '.glibmarshal.h'
	]
	return target, source

	def GlibMarshalGenerator(source, target, env, for_signature):
	""" Inputs:
	source: list of sources to process
	target: list of targets to generate
	env: scons environment in which we are working
	for_signature: unused
	Outputs: a list of commands to execute to generate the targets from
	the sources."""
	commands = []
	for target_file in target:
	if str(target_file).endswith('.glibmarshal.h'):
	mode_flag = '--header '
	else:
	mode_flag = '--body '
	cmd = '/usr/bin/glib-genmarshal %s --prefix=update_engine ' \
	'%s > %s' % (mode_flag, str(source[0]), str(target_file))
	commands.append(cmd)
	return commands

	glib_marshal_builder = Builder(generator = GlibMarshalGenerator,
	emitter = GlibMarshalEmitter,
	single_source = 1,
	suffix = 'glibmarshal.c')

	# Public key generation
	def PublicKeyEmitter(target, source, env):
	""" Inputs:
	target: list of targets to compile to
	source: list of sources to compile
	env: the scons environment in which we are compiling
	Outputs:
	target: the list of targets we'll emit
	source: the list of sources we'll compile"""
	targets = []
	for source_file in source:
	output = str(source_file)
	output = output[0:output.rfind('.pem')]
	output += '.pub.pem'
	targets.append(output)
	return targets, source

	def PublicKeyGenerator(source, target, env, for_signature):
	""" Inputs:
	source: list of sources to process
	target: list of targets to generate
	env: scons environment in which we are working
	for_signature: unused
	Outputs: a list of commands to execute to generate the targets from
	the sources."""
	commands = []
	for source_file in source:
	output = str(source_file)
	output = output[0:output.rfind('.pem')]
	output += '.pub.pem'
	cmd = '/usr/bin/openssl rsa -in %s -pubout -out %s' % (source_file, output)
	commands.append(cmd)
	return commands

	public_key_builder = Builder(generator = PublicKeyGenerator,
	emitter = PublicKeyEmitter,
	suffix = '.pub.pem')

	env = Environment()
	for key in Split('CC CXX AR RANLIB LD NM'):
	value = os.environ.get(key)
	if value != None:
	env[key] = value
	for key in Split('CFLAGS CCFLAGS CPPPATH LIBPATH'):
	value = os.environ.get(key)
	if value != None:
	env[key] = Split(value)

	for key in Split('PKG_CONFIG_LIBDIR PKG_CONFIG_PATH SYSROOT'):
	if os.environ.has_key(key):
	env['ENV'][key] = os.environ[key]


	env['CCFLAGS'] = ' '.join("""-g
	-fno-exceptions
	-fno-strict-aliasing
	-Wall
	-Wclobbered
	-Wclobbered
	-Wempty-body
	-Wempty-body
	-Werror
	-Wignored-qualifiers
	-Wignored-qualifiers
	-Wmissing-field-initializers
	-Wno-format
	-Wsign-compare
	-Wtype-limits
	-Wtype-limits
	-Wuninitialized
	-D__STDC_FORMAT_MACROS=1
	-D_FILE_OFFSET_BITS=64
	-D_POSIX_C_SOURCE=199309L
	-I/usr/include/libxml2""".split());
	env['CCFLAGS'] += (' ' + ' '.join(env['CFLAGS']))

	BASE_VER = os.environ.get('BASE_VER', '180609')
	env['LIBS'] = Split("""bz2
	crypto
	curl
	ext2fs
	gflags
	glib-2.0
	gthread-2.0
	libpcrecpp
	metrics
	policy-%s
	protobuf
	pthread
	rootdev
	rt
	ssl
	udev
	xml2""" % BASE_VER)
	env['CPPPATH'] = ['..']
	env['BUILDERS']['ProtocolBuffer'] = proto_builder
	env['BUILDERS']['DbusBindings'] = dbus_bindings_builder
	env['BUILDERS']['GlibMarshal'] = glib_marshal_builder
	env['BUILDERS']['PublicKey'] = public_key_builder

	# Fix issue with scons not passing pkg-config vars through the environment.
	for key in Split('PKG_CONFIG_LIBDIR PKG_CONFIG_PATH'):
	if os.environ.has_key(key):
	env['ENV'][key] = os.environ[key]

	pkgconfig = os.environ.get('PKG_CONFIG', 'pkg-config')

	env.ParseConfig(pkgconfig + ' --cflags --libs '
	'dbus-1 dbus-glib-1 gio-2.0 gio-unix-2.0 glib-2.0 libchrome-%s '
	'libchromeos-%s' % (BASE_VER, BASE_VER))
	env.ProtocolBuffer('update_metadata.pb.cc', 'update_metadata.proto')
	env.PublicKey('unittest_key.pub.pem', 'unittest_key.pem')
	env.PublicKey('unittest_key2.pub.pem', 'unittest_key2.pem')

	env.DbusBindings('update_engine.dbusclient.h', 'update_engine.xml')

	env.GlibMarshal('marshal.glibmarshal.c', 'marshal.list')

	if ARGUMENTS.get('debug', 0):
	env['CCFLAGS'] += ['-fprofile-arcs', '-ftest-coverage']
	env['LIBS'] += ['bz2', 'gcov']

	sources = Split("""action_processor.cc
	bzip.cc
	bzip_extent_writer.cc
	certificate_checker.cc
	chrome_browser_proxy_resolver.cc
	chrome_proxy_resolver.cc
	clock.cc
	connection_manager.cc
	constants.cc
	cycle_breaker.cc
	dbus_service.cc
	delta_diff_generator.cc
	delta_performer.cc
	download_action.cc
	extent_mapper.cc
	extent_ranges.cc
	extent_writer.cc
	filesystem_copier_action.cc
	filesystem_iterator.cc
	file_descriptor.cc
	file_writer.cc
	full_update_generator.cc
	gpio_handler.cc
	graph_utils.cc
	http_common.cc
	http_fetcher.cc
	install_plan.cc
	libcurl_http_fetcher.cc
	marshal.glibmarshal.c
	metadata.cc
	multi_range_http_fetcher.cc
	omaha_hash_calculator.cc
	omaha_request_action.cc
	omaha_request_params.cc
	omaha_response_handler_action.cc
	payload_signer.cc
	payload_state.cc
	postinstall_runner_action.cc
	prefs.cc
	proxy_resolver.cc
	simple_key_value_store.cc
	subprocess.cc
	system_state.cc
	tarjan.cc
	terminator.cc
	topological_sort.cc
	update_attempter.cc
	update_check_scheduler.cc
	update_metadata.pb.cc
	utils.cc""")
	main = ['main.cc']

	unittest_sources = Split("""action_unittest.cc
	action_pipe_unittest.cc
	action_processor_unittest.cc
	bzip_extent_writer_unittest.cc
	certificate_checker_unittest.cc
	chrome_browser_proxy_resolver_unittest.cc
	chrome_proxy_resolver_unittest.cc
	connection_manager_unittest.cc
	cycle_breaker_unittest.cc
	delta_diff_generator_unittest.cc
	delta_performer_unittest.cc
	download_action_unittest.cc
	extent_mapper_unittest.cc
	extent_ranges_unittest.cc
	extent_writer_unittest.cc
	file_writer_unittest.cc
	filesystem_copier_action_unittest.cc
	filesystem_iterator_unittest.cc
	full_update_generator_unittest.cc
	gpio_handler_unittest.cc
	gpio_mock_file_descriptor.cc
	gpio_mock_udev_interface.cc
	graph_utils_unittest.cc
	http_fetcher_unittest.cc
	metadata_unittest.cc
	mock_http_fetcher.cc
	mock_system_state.cc
	omaha_hash_calculator_unittest.cc
	omaha_request_action_unittest.cc
	omaha_request_params_unittest.cc
	omaha_response_handler_action_unittest.cc
	payload_signer_unittest.cc
	payload_state_unittest.cc
	postinstall_runner_action_unittest.cc
	prefs_unittest.cc
	simple_key_value_store_unittest.cc
	subprocess_unittest.cc
	tarjan_unittest.cc
	terminator_unittest.cc
	test_utils.cc
	topological_sort_unittest.cc
	update_attempter_unittest.cc
	update_check_scheduler_unittest.cc
	utils_unittest.cc
	zip_unittest.cc""")
	unittest_main = ['testrunner.cc']

	client_main = ['update_engine_client.cc']

	delta_generator_main = ['generate_delta_main.cc']

	# Hack to generate header files first. They are generated as a side effect
	# of generating other files (usually their corresponding .c(c) files),
	# so we make all sources depend on those other files.
	all_sources = []
	all_sources.extend(sources)
	all_sources.extend(unittest_sources)
	all_sources.extend(main)
	all_sources.extend(unittest_main)
	all_sources.extend(client_main)
	all_sources.extend(delta_generator_main)
	for source in all_sources:
	if source.endswith('_unittest.cc'):
	env.Depends(source, 'unittest_key.pub.pem')
	if source.endswith('.glibmarshal.c') or source.endswith('.pb.cc'):
	continue
	env.Depends(source, 'update_metadata.pb.cc')
	env.Depends(source, 'marshal.glibmarshal.c')
	env.Depends(source, 'update_engine.dbusclient.h')

	update_engine_core = env.Library('update_engine_core', sources)
	env.Prepend(LIBS=[update_engine_core])

	env.Program('update_engine', main)

	client_cmd = env.Program('update_engine_client', client_main);

	delta_generator_cmd = env.Program('delta_generator',
	delta_generator_main)

	http_server_cmd = env.Program('test_http_server', 'test_http_server.cc')

	unittest_env = env.Clone()
	unittest_env.Append(LIBS=['gmock', 'gtest'])
	unittest_cmd = unittest_env.Program('update_engine_unittests',
	unittest_sources + unittest_main)
	Clean(unittest_cmd, Glob('.gcda') + Glob('.gcno') + Glob('*.gcov') +
	Split('html app.info'))