1# -*- python -*- 2 3# Copyright 2014 The Chromium OS Authors. All rights reserved. 4# Use of this source code is governed by a BSD-style license that can be 5# found in the LICENSE file. 6 7# This file is used to build the libchrome package for Chrome OS: 8# https://www.chromium.org/chromium-os/packages/libchrome 9 10import os 11 12env = Environment() 13 14BASE_VER = os.environ.get('BASE_VER', '0') 15PKG_CONFIG = os.environ.get('PKG_CONFIG', 'pkg-config') 16CHROME_INCLUDE_PATH = os.environ.get('CHROME_INCLUDE_PATH', '.') 17 18# This block will need updating whenever libchrome gets updated. The order of 19# the libs below doesn't matter (as scons will take care of building things in 20# the required order). The split between them is purely to reduce excess 21# linking of third-party libraries, i.e. 'core' should require only a minimal 22# set of libraries, and other third-party libraries should get a unique 'xxx' 23# name. 24base_name = 'base' 25base_libs = [ 26 { 27 'name' : 'core', 28 'sources' : """ 29 allocator/allocator_extension.cc 30 allocator/allocator_shim.cc 31 allocator/allocator_shim_default_dispatch_to_glibc.cc 32 at_exit.cc 33 base64.cc 34 base64url.cc 35 base_switches.cc 36 bind_helpers.cc 37 build_time.cc 38 callback_helpers.cc 39 callback_internal.cc 40 command_line.cc 41 cpu.cc 42 debug/alias.cc 43 debug/debugger.cc 44 debug/debugger_posix.cc 45 debug/stack_trace.cc 46 debug/stack_trace_posix.cc 47 debug/task_annotator.cc 48 environment.cc 49 files/file.cc 50 files/file_enumerator.cc 51 files/file_enumerator_posix.cc 52 files/file_path.cc 53 files/file_path_constants.cc 54 files/file_path_watcher.cc 55 files/file_path_watcher_linux.cc 56 files/file_posix.cc 57 files/file_tracing.cc 58 files/file_util.cc 59 files/file_util_linux.cc 60 files/file_util_posix.cc 61 files/important_file_writer.cc 62 files/memory_mapped_file.cc 63 files/memory_mapped_file_posix.cc 64 files/scoped_file.cc 65 files/scoped_temp_dir.cc 66 guid.cc 67 hash.cc 68 json/json_file_value_serializer.cc 69 json/json_parser.cc 70 json/json_reader.cc 71 json/json_string_value_serializer.cc 72 json/json_value_converter.cc 73 json/json_writer.cc 74 json/string_escape.cc 75 lazy_instance.cc 76 location.cc 77 logging.cc 78 md5.cc 79 memory/aligned_memory.cc 80 memory/ref_counted.cc 81 memory/ref_counted_memory.cc 82 memory/shared_memory_posix.cc 83 memory/singleton.cc 84 memory/weak_ptr.cc 85 message_loop/incoming_task_queue.cc 86 message_loop/message_loop.cc 87 message_loop/message_loop_task_runner.cc 88 message_loop/message_pump.cc 89 message_loop/message_pump_default.cc 90 message_loop/message_pump_glib.cc 91 message_loop/message_pump_libevent.cc 92 metrics/bucket_ranges.cc 93 metrics/field_trial.cc 94 metrics/metrics_hashes.cc 95 metrics/histogram_base.cc 96 metrics/histogram.cc 97 metrics/histogram_samples.cc 98 metrics/histogram_snapshot_manager.cc 99 metrics/persistent_histogram_allocator.cc 100 metrics/persistent_memory_allocator.cc 101 metrics/persistent_sample_map.cc 102 metrics/sample_map.cc 103 metrics/sample_vector.cc 104 metrics/sparse_histogram.cc 105 metrics/statistics_recorder.cc 106 pending_task.cc 107 pickle.cc 108 posix/file_descriptor_shuffle.cc 109 posix/global_descriptors.cc 110 posix/safe_strerror.cc 111 posix/unix_domain_socket_linux.cc 112 process/internal_linux.cc 113 process/kill.cc 114 process/kill_posix.cc 115 process/launch.cc 116 process/launch_posix.cc 117 process/process_handle_linux.cc 118 process/process_iterator.cc 119 process/process_iterator_linux.cc 120 process/process_handle_posix.cc 121 process/process_metrics.cc 122 process/process_metrics_linux.cc 123 process/process_metrics_posix.cc 124 process/process_posix.cc 125 profiler/scoped_profile.cc 126 profiler/scoped_tracker.cc 127 profiler/tracked_time.cc 128 rand_util.cc 129 rand_util_posix.cc 130 run_loop.cc 131 sequence_checker_impl.cc 132 sequenced_task_runner.cc 133 sha1_portable.cc 134 strings/pattern.cc 135 strings/safe_sprintf.cc 136 strings/string16.cc 137 strings/string_number_conversions.cc 138 strings/string_piece.cc 139 strings/stringprintf.cc 140 strings/string_split.cc 141 strings/string_util.cc 142 strings/string_util_constants.cc 143 strings/sys_string_conversions_posix.cc 144 strings/utf_string_conversions.cc 145 strings/utf_string_conversion_utils.cc 146 synchronization/cancellation_flag.cc 147 synchronization/condition_variable_posix.cc 148 synchronization/lock.cc 149 synchronization/lock_impl_posix.cc 150 synchronization/read_write_lock_posix.cc 151 synchronization/waitable_event_posix.cc 152 synchronization/waitable_event_watcher_posix.cc 153 sync_socket_posix.cc 154 sys_info.cc 155 sys_info_chromeos.cc 156 sys_info_linux.cc 157 sys_info_posix.cc 158 task_runner.cc 159 task/cancelable_task_tracker.cc 160 task_scheduler/scheduler_lock_impl.cc 161 task_scheduler/sequence.cc 162 task_scheduler/sequence_sort_key.cc 163 task_scheduler/task.cc 164 task_scheduler/task_traits.cc 165 third_party/icu/icu_utf.cc 166 third_party/nspr/prtime.cc 167 threading/non_thread_safe_impl.cc 168 threading/platform_thread_internal_posix.cc 169 threading/platform_thread_linux.cc 170 threading/platform_thread_posix.cc 171 threading/post_task_and_reply_impl.cc 172 threading/sequenced_task_runner_handle.cc 173 threading/sequenced_worker_pool.cc 174 threading/simple_thread.cc 175 threading/thread.cc 176 threading/thread_checker_impl.cc 177 threading/thread_collision_warner.cc 178 threading/thread_id_name_manager.cc 179 threading/thread_local_posix.cc 180 threading/thread_local_storage.cc 181 threading/thread_local_storage_posix.cc 182 threading/thread_restrictions.cc 183 threading/thread_task_runner_handle.cc 184 threading/worker_pool.cc 185 threading/worker_pool_posix.cc 186 timer/elapsed_timer.cc 187 timer/timer.cc 188 time/clock.cc 189 time/default_clock.cc 190 time/default_tick_clock.cc 191 time/tick_clock.cc 192 time/time.cc 193 time/time_posix.cc 194 trace_event/heap_profiler_allocation_context.cc 195 trace_event/heap_profiler_allocation_context_tracker.cc 196 trace_event/heap_profiler_allocation_register.cc 197 trace_event/heap_profiler_allocation_register_posix.cc 198 trace_event/heap_profiler_heap_dump_writer.cc 199 trace_event/heap_profiler_stack_frame_deduplicator.cc 200 trace_event/heap_profiler_type_name_deduplicator.cc 201 trace_event/malloc_dump_provider.cc 202 trace_event/memory_allocator_dump.cc 203 trace_event/memory_allocator_dump_guid.cc 204 trace_event/memory_dump_manager.cc 205 trace_event/memory_dump_request_args.cc 206 trace_event/memory_dump_session_state.cc 207 trace_event/memory_infra_background_whitelist.cc 208 trace_event/process_memory_dump.cc 209 trace_event/process_memory_maps.cc 210 trace_event/process_memory_totals.cc 211 trace_event/trace_buffer.cc 212 trace_event/trace_config.cc 213 trace_event/trace_event_argument.cc 214 trace_event/trace_event_impl.cc 215 trace_event/trace_event_memory_overhead.cc 216 trace_event/trace_event_synthetic_delay.cc 217 trace_event/trace_log.cc 218 trace_event/trace_log_constants.cc 219 trace_event/trace_sampling_thread.cc 220 tracked_objects.cc 221 tracking_info.cc 222 values.cc 223 version.cc 224 vlog.cc 225 """, 226 'prefix' : 'base', 227 'libs' : 'pthread rt libmodp_b64', 228 'pc_libs' : 'glib-2.0 libevent', 229 }, 230 { 231 'name' : 'dl', 232 'sources' : """ 233 native_library_posix.cc 234 """, 235 'prefix' : 'base', 236 'libs' : 'dl', 237 'pc_libs' : '', 238 }, 239 { 240 'name' : 'dbus', 241 'sources' : """ 242 bus.cc 243 dbus_statistics.cc 244 exported_object.cc 245 file_descriptor.cc 246 message.cc 247 object_manager.cc 248 object_path.cc 249 object_proxy.cc 250 property.cc 251 scoped_dbus_error.cc 252 string_util.cc 253 util.cc 254 values_util.cc 255 """, 256 'prefix' : 'dbus', 257 'libs' : '', 258 'pc_libs' : 'dbus-1 protobuf-lite', 259 }, 260 { 261 'name' : 'timers', 262 'sources' : """ 263 alarm_timer_chromeos.cc 264 """, 265 'prefix' : 'components/timers', 266 'libs' : '', 267 'pc_libs' : '', 268 }, 269 { 270 'name' : 'crypto', 271 'sources' : """ 272 hmac.cc 273 nss_key_util.cc 274 nss_util.cc 275 openssl_util.cc 276 p224.cc 277 p224_spake.cc 278 random.cc 279 rsa_private_key.cc 280 rsa_private_key_nss.cc 281 scoped_test_nss_db.cc 282 secure_hash.cc 283 secure_util.cc 284 sha2.cc 285 signature_creator.cc 286 signature_verifier.cc 287 symmetric_key.cc 288 third_party/nss/rsawrapr.c 289 third_party/nss/sha512.cc 290 """, 291 'prefix' : 'crypto', 292 'libs' : '%s-dl-%s' % (base_name, BASE_VER), 293 'pc_libs' : 'nss openssl', 294 }, 295] 296 297env.Append( 298 CPPPATH=['files'], 299 CCFLAGS=['-g'] 300) 301for key in Split('CC CXX AR RANLIB LD NM CFLAGS CXXFLAGS LDFLAGS'): 302 value = os.environ.get(key) 303 if value: 304 env[key] = Split(value) 305if os.environ.has_key('CPPFLAGS'): 306 env['CCFLAGS'] += Split(os.environ['CPPFLAGS']) 307 308env['CCFLAGS'] += ['-DOS_CHROMEOS', 309 '-DUSE_NSS_CERTS', 310 '-DUSE_SYSTEM_LIBEVENT', 311 '-DNO_TCMALLOC', 312 '-fPIC', 313 '-fno-exceptions', 314 '-Wall', 315 '-Werror', 316 '-Wno-deprecated-register', 317 '-Wno-narrowing', 318 '-Wno-psabi', 319 '-Wno-unused-local-typedefs', 320 # Various #defines are hardcoded near the top of 321 # build_config.h to ensure that they'll be set both when 322 # libchrome is built and when other packages include 323 # libchrome's headers. 324 '-I%s' % CHROME_INCLUDE_PATH] 325 326env.Append( 327 CXXFLAGS=['-std=c++11'] 328) 329 330# Flags for clang taken from build/common.gypi in the clang==1 section. 331CLANG_FLAGS = ( 332 '-Wno-char-subscripts', 333) 334 335env['CCFLAGS'] += ['-Xclang-only=%s' % x for x in CLANG_FLAGS] 336 337# Fix issue with scons not passing some vars through the environment. 338for key in Split('PKG_CONFIG SYSROOT'): 339 if os.environ.has_key(key): 340 env['ENV'][key] = os.environ[key] 341 342all_base_libs = [] 343all_pc_libs = '' 344all_libs = [] 345all_scons_libs = [] 346 347# Build all the shared libraries. 348for lib in base_libs: 349 pc_libs = lib['pc_libs'].replace('${bslot}', BASE_VER) 350 all_pc_libs += ' ' + pc_libs 351 352 libs = Split(lib['libs'].replace('${bslot}', BASE_VER)) 353 all_libs += libs 354 355 name = '%s-%s-%s' % (base_name, lib['name'], BASE_VER) 356 all_base_libs += [name] 357 corename = '%s-core-%s' % (base_name, BASE_VER) 358 # Automatically link the sub-libs against the main core lib. 359 # This is to keep from having to explicitly mention it in the 360 # table above (i.e. lazy). 361 if name != corename: 362 libs += [corename] 363 364 e = env.Clone() 365 e.Append( 366 LIBS = Split(libs), 367 LIBPATH = ['.'], 368 LINKFLAGS = ['-Wl,--as-needed', '-Wl,-z,defs', 369 '-Wl,-soname,lib%s.so' % name], 370 ) 371 if pc_libs: 372 e.ParseConfig(PKG_CONFIG + ' --cflags --libs %s' % pc_libs) 373 374 # Prepend prefix to source filenames. 375 sources = [os.path.join(lib['prefix'], x) for x in Split(lib['sources'])] 376 377 all_scons_libs += [ e.SharedLibrary(name, sources) ] 378 379 380# Build a static library of mocks for unittests to link against. 381# Being static allows us to mask this library out of the image. 382 383all_base_test_libs = [] 384all_test_pc_libs = '' 385all_test_libs = [] 386 387test_libs = [ 388 { 389 'name': 'base_test_support', 390 'sources': """ 391 simple_test_clock.cc 392 simple_test_tick_clock.cc 393 test_file_util.cc 394 test_file_util_linux.cc 395 test_switches.cc 396 test_timeouts.cc 397 """, 398 'prefix': 'base/test', 399 'libs': '', 400 'pc_libs': '', 401 }, 402 { 403 'name': 'dbus_test_support', 404 'sources': """ 405 mock_bus.cc 406 mock_exported_object.cc 407 mock_object_manager.cc 408 mock_object_proxy.cc 409 """, 410 'prefix': 'dbus', 411 'libs': '', # TODO(wiley) what should go here? 412 'pc_libs': 'dbus-1 protobuf-lite', 413 }, 414 { 415 'name': 'timer_test_support', 416 'sources': """ 417 mock_timer.cc 418 """, 419 'prefix': 'base/timer', 420 'libs': '', 421 'pc_libs': '', 422 }, 423] 424 425for lib in test_libs: 426 pc_libs = lib['pc_libs'].replace('${bslot}', BASE_VER) 427 all_test_pc_libs += ' ' + pc_libs 428 429 libs = Split(lib['libs'].replace('${bslot}', BASE_VER)) 430 all_test_libs += libs 431 432 name = '%s-%s-%s' % (base_name, lib['name'], BASE_VER) 433 all_base_test_libs += [name] 434 435 static_env = env.Clone() 436 if pc_libs: 437 static_env.ParseConfig(PKG_CONFIG + ' --cflags --libs %s' % pc_libs) 438 sources = [os.path.join(lib['prefix'], x) 439 for x in Split(lib['sources'])] 440 static_env.StaticLibrary(name, sources) 441 442# Build the random text files (pkg-config and linker script). 443 444def lib_list(libs): 445 return ' '.join(['-l' + l for l in libs]) 446 447prod_subst_dict = { 448 '@BSLOT@': BASE_VER, 449 '@PRIVATE_PC@': all_pc_libs, 450 '@BASE_LIBS@': lib_list(all_base_libs), 451 '@LIBS@': lib_list(all_libs), 452 '@NAME@': 'libchrome', 453 '@PKG_CFG_NAME@': 'libchrome-%s.pc' % BASE_VER, 454 '@LIB_NAME@': 'libbase-%s.so' % BASE_VER, 455 '@DESCRIPTION@': 'chrome base library', 456 # scons, in its infinite wisdom sees fit to expand this string if 457 # if we don't escape the $. 458 '@TARGET_LIB@': 'base-$${bslot}', 459} 460 461# Similarly, build text files related to the test libraries. 462test_subst_dict = { 463 '@BSLOT@': BASE_VER, 464 '@PRIVATE_PC@': all_test_pc_libs, 465 '@BASE_LIBS@': lib_list(all_base_test_libs), 466 '@LIBS@': lib_list(all_test_libs), 467 '@NAME@': 'libchrome-test', 468 '@PKG_CFG_NAME@': 'libchrome-test-%s.pc' % BASE_VER, 469 '@LIB_NAME@': 'libbase-test-%s.a' % BASE_VER, 470 '@DESCRIPTION@': 'chrome base test library', 471 # scons, in its infinite wisdom sees fit to expand this string if 472 # if we don't escape the $. 473 '@TARGET_LIB@': 'base-test-$${bslot}', 474} 475 476pc_file_contents = """ 477prefix=/usr 478includedir=${prefix}/include 479bslot=@BSLOT@ 480 481Name: @NAME@ 482Description: @DESCRIPTION@ 483Version: ${bslot} 484Requires: 485Requires.private: @PRIVATE_PC@ 486Libs: -l@TARGET_LIB@ 487Libs.private: @BASE_LIBS@ @LIBS@ 488Cflags: -I${includedir}/@TARGET_LIB@ -Wno-c++11-extensions -Wno-unused-local-typedefs -DBASE_VER=${bslot} 489""" 490 491# https://sourceware.org/binutils/docs/ld/Scripts.html 492so_file_contents = """GROUP ( AS_NEEDED ( @BASE_LIBS@ ) )""" 493 494for subst_dict in (test_subst_dict, prod_subst_dict): 495 env = Environment(tools=['textfile'], SUBST_DICT=subst_dict) 496 env.Substfile(subst_dict['@LIB_NAME@'], [Value(so_file_contents)]) 497 env.Substfile(subst_dict['@PKG_CFG_NAME@'], [Value(pc_file_contents)]) 498