moz.configure

   1 # -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
   2 # vim: set filetype=python:
   3 # This Source Code Form is subject to the terms of the Mozilla Public
   4 # License, v. 2.0. If a copy of the MPL was not distributed with this
   5 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   6
   7 include("build/moz.configure/init.configure")
   8
   9 # Note:
  10 # - Gecko-specific options and rules should go in toolkit/moz.configure.
  11 # - Firefox-specific options and rules should go in browser/moz.configure.
  12 # - Fennec-specific options and rules should go in
  13 #   mobile/android/moz.configure.
  14 # - Spidermonkey-specific options and rules should go in js/moz.configure.
  15 # - etc.
  16
  17 imply_option(
  18     "--enable-artifact-build-symbols",
  19     depends(artifact_builds)(lambda v: False if v is None else None),
  20     reason="--disable-artifact-builds",
  21 )
  22
  23 option(
  24     "--enable-artifact-build-symbols",
  25     nargs="?",
  26     choices=("full",),
  27     help="Download symbols when artifact builds are enabled.",
  28 )
  29
  30
  31 @depends("--enable-artifact-build-symbols", "MOZ_AUTOMATION", target)
  32 def enable_artifact_build_symbols(value, automation, target):
  33     if len(value):
  34         return value[0]
  35     if bool(value):
  36         if target.os == "Android" and not automation:
  37             return "full"
  38         return True
  39     return None
  40
  41
  42 set_config("MOZ_ARTIFACT_BUILD_SYMBOLS", enable_artifact_build_symbols)
  43
  44
  45 @depends("--enable-artifact-builds")
  46 def imply_disable_compile_environment(value):
  47     if value:
  48         return False
  49
  50
  51 option(
  52     env="MOZ_COPY_PDBS",
  53     help="For builds that do not support symbols in the normal fashion,"
  54     " generate and copy them into the resulting build archive.",
  55 )
  56
  57 set_config("MOZ_COPY_PDBS", depends_if("MOZ_COPY_PDBS")(lambda _: True))
  58
  59 imply_option("--enable-compile-environment", imply_disable_compile_environment)
  60
  61 option("--disable-compile-environment", help="Disable compiler/library checks")
  62
  63
  64 @depends("--disable-compile-environment")
  65 def compile_environment(compile_env):
  66     if compile_env:
  67         return True
  68
  69
  70 set_config("COMPILE_ENVIRONMENT", compile_environment)
  71 add_old_configure_assignment("COMPILE_ENVIRONMENT", compile_environment)
  72
  73 option("--disable-tests", help="Do not build test libraries & programs")
  74
  75
  76 @depends("--disable-tests")
  77 def enable_tests(value):
  78     if value:
  79         return True
  80
  81
  82 set_config("ENABLE_TESTS", enable_tests)
  83 set_define("ENABLE_TESTS", enable_tests)
  84
  85
  86 @depends(enable_tests)
  87 def gtest_has_rtti(value):
  88     if value:
  89         return "0"
  90
  91
  92 set_define("GTEST_HAS_RTTI", gtest_has_rtti)
  93
  94
  95 @depends(target, enable_tests)
  96 def linux_gtest_defines(target, enable_tests):
  97     if enable_tests and target.os == "Android":
  98         return namespace(os_linux_android=True, use_own_tr1_tuple=True, has_clone="0")
  99
 100
 101 set_define("GTEST_OS_LINUX_ANDROID", linux_gtest_defines.os_linux_android)
 102 set_define("GTEST_USE_OWN_TR1_TUPLE", linux_gtest_defines.use_own_tr1_tuple)
 103 set_define("GTEST_HAS_CLONE", linux_gtest_defines.has_clone)
 104
 105 option(
 106     "--enable-debug",
 107     nargs="?",
 108     help="Enable building with developer debug info "
 109     "(using the given compiler flags).",
 110 )
 111
 112
 113 @depends("--enable-debug")
 114 def moz_debug(debug):
 115     if debug:
 116         return bool(debug)
 117
 118
 119 set_config("MOZ_DEBUG", moz_debug)
 120 set_define("MOZ_DEBUG", moz_debug)
 121 # Override any value MOZ_DEBUG may have from the environment when passing it
 122 # down to old-configure.
 123 add_old_configure_assignment("MOZ_DEBUG", depends("--enable-debug")(lambda x: bool(x)))
 124
 125 set_config(
 126     "MOZ_DIAGNOSTIC_ASSERT_ENABLED",
 127     True,
 128     when=moz_debug | milestone.is_early_beta_or_earlier,
 129 )
 130 set_define(
 131     "MOZ_DIAGNOSTIC_ASSERT_ENABLED",
 132     True,
 133     when=moz_debug | milestone.is_early_beta_or_earlier,
 134 )
 135
 136 option(
 137     "--with-debug-label",
 138     nargs="+",
 139     help="Debug DEBUG_<value> for each comma-separated value given",
 140 )
 141
 142
 143 @depends(moz_debug, "--with-debug-label")
 144 def debug_defines(debug, labels):
 145     if debug:
 146         return ["DEBUG"] + ["DEBUG_%s" % label for label in labels]
 147     return ["NDEBUG", "TRIMMED"]
 148
 149
 150 set_config("MOZ_DEBUG_DEFINES", debug_defines)
 151
 152 option(env="MOZ_PGO", help="Build with profile guided optimizations")
 153
 154 set_config("MOZ_PGO", depends("MOZ_PGO")(lambda x: bool(x)))
 155
 156
 157 # Imply --enable-release when MOZILLA_OFFICIAL is set rather than adjusting the
 158 # default so that we can't have both MOZILLA_OFFICIAL and --disable-release set.
 159 imply_option("--enable-release", mozilla_official)
 160
 161 option(
 162     "--enable-release",
 163     default=milestone.is_release_or_beta | depends("MOZ_AUTOMATION")(lambda x: bool(x)),
 164     help="{Build|Do not build} with more conservative, release "
 165     "engineering-oriented options.{ This may slow down builds.|}",
 166 )
 167
 168
 169 @depends("--enable-release")
 170 def developer_options(value):
 171     if not value:
 172         return True
 173
 174
 175 add_old_configure_assignment("DEVELOPER_OPTIONS", developer_options)
 176 set_config("DEVELOPER_OPTIONS", developer_options)
 177
 178
 179 # hybrid build handling
 180 # ==============================================================
 181
 182 option(
 183     "--disable-unified-build",
 184     help="Enable building modules in non unified context",
 185 )
 186
 187 set_config("ENABLE_UNIFIED_BUILD", True, when="--disable-unified-build")
 188
 189
 190 include("build/moz.configure/bootstrap.configure")
 191
 192
 193 # The execution model of the configure sandbox doesn't allow for
 194 # check_prog to use bootstrap_search_path directly because check_prog
 195 # comes first, so we use a trick to allow it. Uses of check_prog
 196 # happening before here won't allow bootstrap.
 197 @template
 198 def check_prog(*args, **kwargs):
 199     kwargs["bootstrap_search_path"] = bootstrap_search_path
 200     return check_prog(*args, **kwargs)
 201
 202
 203 check_prog("WGET", ("wget",), allow_missing=True)
 204
 205
 206 include("build/moz.configure/toolchain.configure", when="--enable-compile-environment")
 207
 208 include("build/moz.configure/pkg.configure")
 209 include("build/moz.configure/memory.configure", when="--enable-compile-environment")
 210 include("build/moz.configure/headers.configure", when="--enable-compile-environment")
 211 include("build/moz.configure/warnings.configure", when="--enable-compile-environment")
 212 include("build/moz.configure/flags.configure", when="--enable-compile-environment")
 213 include("build/moz.configure/lto-pgo.configure", when="--enable-compile-environment")
 214 # rust.configure is included by js/moz.configure.
 215
 216 option("--enable-valgrind", help="Enable Valgrind integration hooks")
 217
 218 valgrind_h = check_header("valgrind/valgrind.h", when="--enable-valgrind")
 219
 220
 221 @depends("--enable-valgrind", valgrind_h)
 222 def check_valgrind(valgrind, valgrind_h):
 223     if valgrind:
 224         if not valgrind_h:
 225             die("--enable-valgrind specified but Valgrind is not installed")
 226         return True
 227
 228
 229 set_define("MOZ_VALGRIND", check_valgrind)
 230 set_config("MOZ_VALGRIND", check_valgrind)
 231
 232
 233 @depends(target, host)
 234 def is_openbsd(target, host):
 235     return target.kernel == "OpenBSD" or host.kernel == "OpenBSD"
 236
 237
 238 option(
 239     env="SO_VERSION",
 240     nargs=1,
 241     default="1.0",
 242     when=is_openbsd,
 243     help="Shared library version for OpenBSD systems",
 244 )
 245
 246
 247 @depends("SO_VERSION", when=is_openbsd)
 248 def so_version(value):
 249     return value
 250
 251
 252 @template
 253 def library_name_info_template(host_or_target):
 254     assert host_or_target in {host, target}
 255     windows_abi = {
 256         host: host_windows_abi,
 257         target: target_windows_abi,
 258     }[host_or_target]
 259
 260     @depends(host_or_target, host_or_target.abi | windows_abi, so_version)
 261     def library_name_info_impl(host_or_target, windows_abi, so_version):
 262         if host_or_target.kernel == "WINNT":
 263             # There aren't artifacts for mingw builds, so it's OK that the
 264             # results are inaccurate in that case.
 265             if windows_abi and windows_abi != "msvc":
 266                 return namespace(
 267                     dll=namespace(prefix="", suffix=".dll"),
 268                     lib=namespace(prefix="lib", suffix="a"),
 269                     import_lib=namespace(prefix="lib", suffix="a"),
 270                     obj=namespace(prefix="", suffix="o"),
 271                 )
 272
 273             return namespace(
 274                 dll=namespace(prefix="", suffix=".dll"),
 275                 lib=namespace(prefix="", suffix="lib"),
 276                 import_lib=namespace(prefix="", suffix="lib"),
 277                 obj=namespace(prefix="", suffix="obj"),
 278             )
 279
 280         elif host_or_target.kernel == "Darwin":
 281             return namespace(
 282                 dll=namespace(prefix="lib", suffix=".dylib"),
 283                 lib=namespace(prefix="lib", suffix="a"),
 284                 import_lib=namespace(prefix=None, suffix=""),
 285                 obj=namespace(prefix="", suffix="o"),
 286             )
 287         elif so_version:
 288             so = ".so.%s" % so_version
 289         else:
 290             so = ".so"
 291
 292         return namespace(
 293             dll=namespace(prefix="lib", suffix=so),
 294             lib=namespace(prefix="lib", suffix="a"),
 295             import_lib=namespace(prefix=None, suffix=""),
 296             obj=namespace(prefix="", suffix="o"),
 297         )
 298
 299     return library_name_info_impl
 300
 301
 302 host_library_name_info = library_name_info_template(host)
 303 library_name_info = library_name_info_template(target)
 304
 305 set_config("DLL_PREFIX", library_name_info.dll.prefix)
 306 set_config("DLL_SUFFIX", library_name_info.dll.suffix)
 307 set_config("HOST_DLL_PREFIX", host_library_name_info.dll.prefix)
 308 set_config("HOST_DLL_SUFFIX", host_library_name_info.dll.suffix)
 309 set_config("LIB_PREFIX", library_name_info.lib.prefix)
 310 set_config("LIB_SUFFIX", library_name_info.lib.suffix)
 311 set_config("OBJ_SUFFIX", library_name_info.obj.suffix)
 312 # Lots of compilation tests depend on this variable being present.
 313 add_old_configure_assignment("OBJ_SUFFIX", library_name_info.obj.suffix)
 314 set_config("IMPORT_LIB_SUFFIX", library_name_info.import_lib.suffix)
 315 set_define(
 316     "MOZ_DLL_PREFIX", depends(library_name_info.dll.prefix)(lambda s: '"%s"' % s)
 317 )
 318 set_define(
 319     "MOZ_DLL_SUFFIX", depends(library_name_info.dll.suffix)(lambda s: '"%s"' % s)
 320 )
 321 set_config("HOST_LIB_PREFIX", host_library_name_info.lib.prefix)
 322 set_config("HOST_IMPORT_LIB_SUFFIX", host_library_name_info.import_lib.suffix)
 323 set_config("WASM_OBJ_SUFFIX", "wasm")
 324
 325 # Make `profiling` available to this file even when js/moz.configure
 326 # doesn't end up included.
 327 profiling = dependable(False)
 328 # Same for js_standalone
 329 js_standalone = dependable(False)
 330 js_shared = dependable(False)
 331 moz_linker = dependable(False)
 332 # Same for fold_libs
 333 fold_libs = dependable(False)
 334 # And dmd
 335 dmd = dependable(False)
 336
 337 include(include_project_configure)
 338
 339
 340 @depends("--help")
 341 @imports(_from="mozbuild.backend", _import="backends")
 342 def build_backends_choices(_):
 343     return tuple(backends)
 344
 345
 346 @deprecated_option("--enable-build-backend", nargs="+", choices=build_backends_choices)
 347 def build_backend(backends):
 348     if backends:
 349         return tuple("+%s" % b for b in backends)
 350
 351
 352 imply_option("--build-backends", build_backend)
 353
 354
 355 @depends(
 356     host,
 357     target,
 358     "--enable-artifact-builds",
 359     "--disable-compile-environment",
 360     "--enable-project",
 361     "--enable-application",
 362     "--help",
 363 )
 364 @imports("sys")
 365 def build_backend_defaults(
 366     host,
 367     target,
 368     artifact_builds,
 369     compile_environment,
 370     project,
 371     application,
 372     _,
 373 ):
 374     if application:
 375         project = application[0]
 376     elif project:
 377         project = project[0]
 378
 379     if artifact_builds:
 380         all_backends = ["FasterMake+RecursiveMake"]
 381     else:
 382         all_backends = ["RecursiveMake", "FasterMake"]
 383     if (
 384         host.os == "WINNT"
 385         and target.os == "WINNT"
 386         and compile_environment
 387         and project not in ("mobile/android", "memory", "tools/update-programs")
 388     ):
 389         all_backends.append("VisualStudio")
 390     if compile_environment and project not in ("memory", "tools/update-programs"):
 391         all_backends.append("Clangd")
 392     return tuple(all_backends) or None
 393
 394
 395 option(
 396     "--build-backends",
 397     nargs="+",
 398     default=build_backend_defaults,
 399     choices=build_backends_choices,
 400     help="Build backends to generate",
 401 )
 402
 403
 404 @depends("--build-backends")
 405 def build_backends(backends):
 406     return backends
 407
 408
 409 set_config("BUILD_BACKENDS", build_backends)
 410
 411
 412 # Determine whether to build the gtest xul. This happens in automation
 413 # on Android and Desktop platforms with the exception of:
 414 #  - Windows PGO, where linking xul-gtest.dll takes too long;
 415 #  - Android other than x86_64, where gtest is not required.
 416 @depends(
 417     build_project,
 418     target,
 419     "MOZ_AUTOMATION",
 420     enable_tests,
 421     when="--enable-compile-environment",
 422 )
 423 def build_gtest(build_project, target, automation, enable_tests):
 424     return bool(
 425         enable_tests
 426         and automation
 427         and build_project in ("browser", "comm/mail", "mobile/android")
 428         and not (target.os == "Android" and target.cpu != "x86_64")
 429     )
 430
 431
 432 option(
 433     "--enable-gtest-in-build",
 434     default=build_gtest,
 435     help="{Enable|Force disable} building the gtest libxul during the build.",
 436     when="--enable-compile-environment",
 437 )
 438
 439 set_config("LINK_GTEST_DURING_COMPILE", True, when="--enable-gtest-in-build")
 440
 441 # Localization
 442 # ==============================================================
 443 option(
 444     "--enable-ui-locale",
 445     default="en-US",
 446     help="Select the user interface locale (default: en-US)",
 447 )
 448
 449 set_config("MOZ_UI_LOCALE", depends("--enable-ui-locale")(lambda x: x))
 450
 451 option(
 452     "--enable-icu4x",
 453     help="An experiment to use ICU4X instead of ICU4C. See intl/ICU4X.md",
 454 )
 455
 456 set_config("MOZ_ICU4X", True, when="--enable-icu4x")
 457
 458 # clang-plugin location
 459 # ==============================================================
 460
 461
 462 @depends(host_library_name_info, build_environment, when="--enable-clang-plugin")
 463 def clang_plugin_path(library_name_info, build_env):
 464     topobjdir = build_env.topobjdir
 465     if topobjdir.endswith("/js/src"):
 466         topobjdir = topobjdir[:-7]
 467     return os.path.abspath(
 468         os.path.join(
 469             topobjdir,
 470             "build",
 471             "clang-plugin",
 472             "%sclang-plugin%s"
 473             % (library_name_info.dll.prefix, library_name_info.dll.suffix),
 474         )
 475     )
 476
 477
 478 set_config("CLANG_PLUGIN", clang_plugin_path)
 479 add_old_configure_assignment("CLANG_PLUGIN", clang_plugin_path)
 480
 481
 482 # Awk detection
 483 # ==============================================================
 484 awk = check_prog("AWK", ("gawk", "mawk", "nawk", "awk"), paths=prefer_mozillabuild_path)
 485
 486 # Until the AWK variable is not necessary in old-configure
 487
 488
 489 @depends(awk)
 490 def awk_for_old_configure(value):
 491     return value
 492
 493
 494 add_old_configure_assignment("AWK", awk_for_old_configure)
 495
 496
 497 # GNU make detection
 498 # ==============================================================
 499 option(env="MAKE", nargs=1, help="Path to GNU make")
 500
 501
 502 @depends("MAKE", host)
 503 def possible_makes(make, host):
 504     candidates = []
 505     if make:
 506         candidates.append(make[0])
 507     if host.kernel == "WINNT":
 508         candidates.extend(("mozmake", "mingw32-make", "make", "gmake"))
 509     else:
 510         candidates.extend(("gmake", "make"))
 511     return candidates
 512
 513
 514 check_prog("GMAKE", possible_makes, bootstrap="mozmake")
 515
 516 # watchman detection
 517 # ==============================================================
 518
 519 option(env="WATCHMAN", nargs=1, help="Path to the watchman program")
 520
 521
 522 @depends(host, "WATCHMAN")
 523 @checking("for watchman", callback=lambda w: w.path if w else "not found")
 524 def watchman(host, prog):
 525     # On Windows, `watchman` is only supported on 64-bit hosts.
 526     if host.os == "WINNT" and host.cpu != "x86_64":
 527         return
 528
 529     if not prog:
 530         prog = find_program("watchman")
 531
 532     if not prog:
 533         return
 534
 535     # `watchman version` will talk to the Watchman daemon service.
 536     # This can hang due to permissions problems. e.g.
 537     # https://github.com/facebook/watchman/issues/376. So use
 538     # `watchman --version` to prevent a class of failures.
 539     out = check_cmd_output(prog, "--version", onerror=lambda: None)
 540     if out is None:
 541         return
 542
 543     return namespace(path=prog, version=Version(out.strip()))
 544
 545
 546 @depends_if(watchman)
 547 @checking("for watchman version")
 548 def watchman_version(w):
 549     return w.version
 550
 551
 552 set_config("WATCHMAN", watchman.path)
 553
 554
 555 @depends_all(hg_version, hg_config, watchman)
 556 @checking("for watchman Mercurial integration")
 557 @imports("os")
 558 def watchman_hg(hg_version, hg_config, watchman):
 559     if hg_version < Version("3.8"):
 560         return "no (Mercurial 3.8+ required)"
 561
 562     ext_enabled = False
 563     mode_disabled = False
 564
 565     for k in ("extensions.fsmonitor", "extensions.hgext.fsmonitor"):
 566         if k in hg_config and hg_config[k] != "!":
 567             ext_enabled = True
 568
 569     mode_disabled = hg_config.get("fsmonitor.mode") == "off"
 570
 571     if not ext_enabled:
 572         return "no (fsmonitor extension not enabled)"
 573     if mode_disabled:
 574         return "no (fsmonitor.mode=off disables fsmonitor)"
 575
 576     return True
 577
 578
 579 # Miscellaneous programs
 580 # ==============================================================
 581 check_prog("XARGS", ("xargs",))
 582
 583
 584 @depends(target)
 585 def extra_programs(target):
 586     if target.kernel == "Darwin":
 587         return namespace(
 588             DSYMUTIL=("dsymutil", "llvm-dsymutil"),
 589             MKFSHFS=("newfs_hfs", "mkfs.hfsplus"),
 590             HFS_TOOL=("hfsplus",),
 591         )
 592     if target.os == "GNU" and target.kernel == "Linux":
 593         return namespace(RPMBUILD=("rpmbuild",))
 594
 595
 596 check_prog("DSYMUTIL", extra_programs.DSYMUTIL, allow_missing=True)
 597 check_prog("MKFSHFS", extra_programs.MKFSHFS, allow_missing=True)
 598 check_prog("HFS_TOOL", extra_programs.HFS_TOOL, allow_missing=True)
 599 check_prog("RPMBUILD", extra_programs.RPMBUILD, allow_missing=True)
 600
 601
 602 nsis = check_prog(
 603     "MAKENSISU",
 604     ("makensis",),
 605     bootstrap="nsis/bin",
 606     allow_missing=True,
 607     when=target_is_windows,
 608 )
 609
 610 # Make sure the version of makensis is up to date.
 611
 612
 613 @depends_if(nsis)
 614 @checking("for NSIS version")
 615 @imports("re")
 616 def nsis_version(nsis):
 617     nsis_min_version = "3.0b1"
 618
 619     def onerror():
 620         return die("Failed to get nsis version.")
 621
 622     out = check_cmd_output(nsis, "-version", onerror=onerror)
 623
 624     m = re.search(r"(?<=v)[0-9]+\.[0-9]+((a|b|rc)[0-9]+)?", out)
 625
 626     if not m:
 627         raise FatalCheckError("Unknown version of makensis")
 628     ver = Version(m.group(0))
 629
 630     # Versions comparisons don't quite work well with beta versions, so ensure
 631     # it works for the non-beta version.
 632     if ver < nsis_min_version and (ver >= "3.0a" or ver < "3"):
 633         raise FatalCheckError(
 634             "To build the installer you must have NSIS"
 635             " version %s or greater in your path" % nsis_min_version
 636         )
 637
 638     return ver
 639
 640
 641 # And that makensis is 32-bit (but only on Windows).
 642 @depends_if(nsis, when=depends(host)(lambda h: h.kernel == "WINNT"))
 643 @checking("for 32-bit NSIS")
 644 def nsis_binary_type(nsis):
 645     bin_type = windows_binary_type(nsis)
 646     if bin_type != "win32":
 647         raise FatalCheckError("%s is not a 32-bit Windows application" % nsis)
 648
 649     return "yes"
 650
 651
 652 # And any flags we have to give to makensis
 653 @depends(host)
 654 def nsis_flags(host):
 655     if host.kernel != "WINNT":
 656         return "-nocd"
 657     return ""
 658
 659
 660 set_config("MAKENSISU_FLAGS", nsis_flags)
 661
 662 check_prog("7Z", ("7z", "7za"), allow_missing=True, when=target_is_windows)
 663 check_prog("UPX", ("upx",), allow_missing=True, when=target_is_windows)
 664
 665
 666 @template
 667 def llvm_tool(name):
 668     @depends(host_c_compiler, c_compiler, bindgen_config_paths)
 669     def llvm_tool(host_c_compiler, c_compiler, bindgen_config_paths):
 670         clang = None
 671         for compiler in (host_c_compiler, c_compiler):
 672             if compiler and compiler.type == "clang":
 673                 clang = compiler.compiler
 674                 break
 675             elif compiler and compiler.type == "clang-cl":
 676                 clang = os.path.join(os.path.dirname(compiler.compiler), "clang")
 677                 break
 678
 679         if not clang and bindgen_config_paths:
 680             clang = bindgen_config_paths.clang_path
 681         tool = name
 682         if clang:
 683             out = check_cmd_output(
 684                 clang, "--print-prog-name=%s" % tool, onerror=lambda: None
 685             )
 686             if out:
 687                 tool = out.rstrip()
 688         return (tool,)
 689
 690     return llvm_tool
 691
 692
 693 llvm_objdump = check_prog(
 694     "LLVM_OBJDUMP",
 695     llvm_tool("llvm-objdump"),
 696     what="llvm-objdump",
 697     when="--enable-compile-environment",
 698     paths=clang_search_path,
 699 )
 700
 701 add_old_configure_assignment("LLVM_OBJDUMP", llvm_objdump)
 702
 703
 704 @depends(llvm_tool("llvm-readelf"), toolchain_prefix)
 705 def readelf(llvm_readelf, toolchain_prefix):
 706     commands = [llvm_readelf[0], "readelf"]
 707     for prefix in toolchain_prefix or ():
 708         commands.insert(1, "%sreadelf" % prefix)
 709     return tuple(commands)
 710
 711
 712 def validate_readelf(path):
 713     # llvm-readelf from llvm < 8 doesn't support the GNU binutils-compatible `-d`
 714     # flag. We could try running `$path -d $some_binary` but we might be cross
 715     # compiling and not have a binary at hand to run that against. `$path -d` alone
 716     # would fail whether the flag is supported or not. So we resort to look for the
 717     # option in the `--help` output, which fortunately, s compatible between
 718     # llvm-readelf and readelf.
 719     retcode, stdout, stderr = get_cmd_output(path, "--help")
 720     return retcode == 0 and any(l.startswith("  -d ") for l in stdout.splitlines())
 721
 722
 723 @depends("--enable-compile-environment", target, host)
 724 def readelf_when(compile_env, target, host):
 725     return compile_env and any(
 726         x.kernel not in ("Darwin", "WINNT") for x in (target, host)
 727     )
 728
 729
 730 check_prog(
 731     "READELF",
 732     readelf,
 733     when=readelf_when,
 734     paths=clang_search_path,
 735     validate=validate_readelf,
 736 )
 737
 738
 739 @depends(llvm_tool("llvm-objcopy"), toolchain_prefix)
 740 def objcopy(llvm_objcopy, toolchain_prefix):
 741     commands = [llvm_objcopy[0], "objcopy"]
 742     for prefix in toolchain_prefix or ():
 743         commands.insert(1, "%sreadelf" % prefix)
 744     return tuple(commands)
 745
 746
 747 def validate_objcopy(path):
 748     if "llvm-objcopy" not in path:
 749         return True
 750     # llvm-objcopy doesn't support --only-keep-debug before llvm 9.0.
 751     retcode, stdout, stderr = get_cmd_output(path, "--help")
 752     return retcode == 0 and any(
 753         l.startswith("  --only-keep-debug ") for l in stdout.splitlines()
 754     )
 755
 756
 757 check_prog(
 758     "OBJCOPY",
 759     objcopy,
 760     when=readelf_when,
 761     paths=clang_search_path,
 762     validate=validate_objcopy,
 763 )
 764
 765 option("--enable-dtrace", help="Build with dtrace support")
 766
 767 dtrace = check_header(
 768     "sys/sdt.h",
 769     when="--enable-dtrace",
 770     onerror=lambda: die("dtrace enabled but sys/sdt.h not found"),
 771 )
 772
 773 set_config("HAVE_DTRACE", True, when=dtrace)
 774 set_define("INCLUDE_MOZILLA_DTRACE", True, when=dtrace)
 775 add_old_configure_assignment("enable_dtrace", "yes", when=dtrace)
 776
 777
 778 option("--disable-icf", help="Disable Identical Code Folding")
 779
 780 add_old_configure_assignment(
 781     "MOZ_DISABLE_ICF", "1", when=depends("--enable-icf")(lambda x: not x)
 782 )
 783
 784
 785 option(
 786     "--enable-strip",
 787     when=compile_environment,
 788     help="Enable stripping of libs & executables",
 789 )
 790
 791 # This should be handled as a `when` once bug 1617793 is fixed.
 792
 793
 794 @depends("--enable-strip", c_compiler, when=compile_environment)
 795 def enable_strip(strip, c_compiler):
 796     if strip and c_compiler.type != "clang-cl":
 797         return True
 798
 799
 800 set_config("ENABLE_STRIP", enable_strip)
 801
 802 option(
 803     "--disable-install-strip",
 804     when=compile_environment,
 805     help="Enable stripping of libs & executables when packaging",
 806 )
 807
 808 # This should be handled as a `when` once bug 1617793 is fixed.
 809
 810
 811 @depends("--enable-install-strip", c_compiler, when=compile_environment)
 812 def enable_install_strip(strip, c_compiler):
 813     if strip and c_compiler.type != "clang-cl":
 814         return True
 815
 816
 817 set_config("PKG_STRIP", enable_install_strip)
 818
 819
 820 @depends("--enable-strip", "--enable-install-strip", when=compile_environment)
 821 def strip(strip, install_strip):
 822     return strip or install_strip
 823
 824
 825 option(env="STRIP_FLAGS", nargs=1, when=strip, help="Flags for the strip command")
 826
 827
 828 @depends("STRIP_FLAGS", profiling, target, when=strip)
 829 def strip_flags(flags, profiling, target):
 830     if flags:
 831         return flags[0].split()
 832     if profiling:
 833         # Only strip debug info and symbols when profiling is enabled, keeping
 834         # local symbols.
 835         if target.kernel == "Darwin":
 836             return ["-S"]
 837         elif target.os == "Android":
 838             # The tooling we use with Android supports detached symbols, and the
 839             # size increase caused by local symbols are too much for mobile. So,
 840             # don't restrict the amount of stripping with a flag.
 841             return
 842         else:
 843             return ["--strip-debug"]
 844     # Otherwise strip everything we can, which happens without flags on non-Darwin.
 845     # On Darwin, it tries to strip things it can't, so we need to limit its scope.
 846     elif target.kernel == "Darwin":
 847         return ["-x", "-S"]
 848
 849
 850 set_config("STRIP_FLAGS", strip_flags)
 851
 852
 853 @depends(llvm_tool("llvm-strip"), toolchain_prefix, target)
 854 def strip(llvm_strip, toolchain_prefix, target):
 855     commands = ["strip"]
 856     for prefix in toolchain_prefix or ():
 857         commands.insert(0, "%sstrip" % prefix)
 858     # llvm-strip causes some problems on macos targets.
 859     if target.kernel == "Darwin":
 860         commands.append(llvm_strip[0])
 861     else:
 862         commands.insert(0, llvm_strip[0])
 863     return tuple(commands)
 864
 865
 866 def validate_strip(path):
 867     if "llvm-strip" not in path:
 868         return True
 869     # llvm-strip doesn't support -S before llvm 8.0.
 870     retcode, stdout, stderr = get_cmd_output(path, "--help")
 871     return retcode == 0 and any(l.startswith("  -S ") for l in stdout.splitlines())
 872
 873
 874 @depends("--enable-compile-environment", target, host)
 875 def strip_when(compile_env, target, host):
 876     return compile_env and any(x.kernel != "WINNT" for x in (target, host))
 877
 878
 879 check_prog(
 880     "STRIP",
 881     strip,
 882     when=strip_when,
 883     paths=clang_search_path,
 884     validate=validate_strip,
 885 )
 886
 887
 888 @depends(js_standalone, target)
 889 def system_zlib_default(js_standalone, target):
 890     return (
 891         js_standalone
 892         and target.kernel not in ("WINNT", "Darwin")
 893         and target.os != "Android"
 894     )
 895
 896
 897 option(
 898     "--with-system-zlib",
 899     nargs="?",
 900     default=system_zlib_default,
 901     help="{Use|Do not use} system libz",
 902 )
 903
 904
 905 @depends("--with-system-zlib")
 906 def deprecated_system_zlib_path(value):
 907     if len(value) == 1:
 908         die(
 909             "--with-system-zlib=PATH is not supported anymore. Please use "
 910             "--with-system-zlib and set any necessary pkg-config environment variable."
 911         )
 912
 913
 914 pkg_check_modules("MOZ_ZLIB", "zlib >= 1.2.3", when="--with-system-zlib")
 915
 916 set_config("MOZ_SYSTEM_ZLIB", True, when="--with-system-zlib")
 917
 918
 919 @depends("--with-system-zlib", js_shared, moz_linker, target.os)
 920 def zlib_in_mozglue(system_zlib, js_shared, linker, os):
 921     if not system_zlib and (js_shared or linker or os == "Android"):
 922         return True
 923
 924
 925 set_config("ZLIB_IN_MOZGLUE", zlib_in_mozglue)
 926 set_define("ZLIB_IN_MOZGLUE", zlib_in_mozglue)
 927
 928
 929 # Please do not add configure checks from here on.
 930
 931 # Fallthrough to autoconf-based configure
 932 include("build/moz.configure/old.configure")
 933
 934 # JS Subconfigure.
 935 include("js/sub.configure", when=compile_environment & toolkit)
 936
 937
 938 @depends(build_environment, configure_cache)
 939 @imports(_import="json")
 940 @imports(_from="pathlib", _import="Path")
 941 def save_cache(build_environment, configure_cache):
 942     cache_file = Path(build_environment.topobjdir) / "configure.cache"
 943
 944     with cache_file.open(mode="w") as fd:
 945         json.dump(configure_cache, fd, indent=4)
 946
 947
 948 @depends(build_environment, build_project)
 949 @imports("__sandbox__")
 950 @imports("glob")
 951 @imports(_from="os.path", _import="exists")
 952 def config_status_deps(build_env, build_project):
 953
 954     topsrcdir = build_env.topsrcdir
 955     topobjdir = build_env.topobjdir
 956
 957     if not topobjdir.endswith("js/src"):
 958         extra_deps = [os.path.join(topobjdir, ".mozconfig.json")]
 959     else:
 960         # mozconfig changes may impact js configure.
 961         extra_deps = [os.path.join(topobjdir[:-7], ".mozconfig.json")]
 962
 963     confvars = os.path.join(topsrcdir, build_project, "confvars.sh")
 964     if exists(confvars):
 965         extra_deps.append(confvars)
 966
 967     return (
 968         list(__sandbox__._all_paths)
 969         + extra_deps
 970         + [
 971             os.path.join(topsrcdir, "CLOBBER"),
 972             os.path.join(topsrcdir, "configure"),
 973             os.path.join(topsrcdir, "js", "src", "configure"),
 974             os.path.join(topsrcdir, "nsprpub", "configure"),
 975             os.path.join(topsrcdir, "config", "milestone.txt"),
 976             os.path.join(topsrcdir, "browser", "config", "version.txt"),
 977             os.path.join(topsrcdir, "browser", "config", "version_display.txt"),
 978             os.path.join(topsrcdir, "python", "sites", "build.txt"),
 979             os.path.join(topsrcdir, "python", "sites", "common.txt"),
 980             os.path.join(topsrcdir, "python", "sites", "mach.txt"),
 981             os.path.join(topsrcdir, "python", "mach", "mach", "site.py"),
 982             os.path.join(topsrcdir, "aclocal.m4"),
 983             os.path.join(topsrcdir, "old-configure.in"),
 984             os.path.join(topsrcdir, "js", "src", "aclocal.m4"),
 985             os.path.join(topsrcdir, "js", "src", "old-configure.in"),
 986         ]
 987         + glob.glob(os.path.join(topsrcdir, "build", "autoconf", "*.m4"))
 988     )
 989
 990
 991 set_config("CONFIG_STATUS_DEPS", config_status_deps)
 992 # Please do not add anything after setting config_dep_paths.