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 # Make this assignment here rather than in pkg.configure to avoid
 210 # requiring this file in unit tests.
 211 add_old_configure_assignment("PKG_CONFIG", pkg_config)
 212
 213 include("build/moz.configure/memory.configure", when="--enable-compile-environment")
 214 include("build/moz.configure/headers.configure", when="--enable-compile-environment")
 215 include("build/moz.configure/warnings.configure", when="--enable-compile-environment")
 216 include("build/moz.configure/flags.configure", when="--enable-compile-environment")
 217 include("build/moz.configure/lto-pgo.configure", when="--enable-compile-environment")
 218 # rust.configure is included by js/moz.configure.
 219
 220 option("--enable-valgrind", help="Enable Valgrind integration hooks")
 221
 222 valgrind_h = check_header("valgrind/valgrind.h", when="--enable-valgrind")
 223
 224
 225 @depends("--enable-valgrind", valgrind_h)
 226 def check_valgrind(valgrind, valgrind_h):
 227     if valgrind:
 228         if not valgrind_h:
 229             die("--enable-valgrind specified but Valgrind is not installed")
 230         return True
 231
 232
 233 set_define("MOZ_VALGRIND", check_valgrind)
 234 set_config("MOZ_VALGRIND", check_valgrind)
 235
 236
 237 @depends(target, host)
 238 def is_openbsd(target, host):
 239     return target.kernel == "OpenBSD" or host.kernel == "OpenBSD"
 240
 241
 242 option(
 243     env="SO_VERSION",
 244     nargs=1,
 245     default="1.0",
 246     when=is_openbsd,
 247     help="Shared library version for OpenBSD systems",
 248 )
 249
 250
 251 @depends("SO_VERSION", when=is_openbsd)
 252 def so_version(value):
 253     return value
 254
 255
 256 @template
 257 def library_name_info_template(host_or_target):
 258     assert host_or_target in {host, target}
 259     windows_abi = {
 260         host: host_windows_abi,
 261         target: target_windows_abi,
 262     }[host_or_target]
 263
 264     @depends(host_or_target, host_or_target.abi | windows_abi, so_version)
 265     def library_name_info_impl(host_or_target, windows_abi, so_version):
 266         if host_or_target.kernel == "WINNT":
 267             # There aren't artifacts for mingw builds, so it's OK that the
 268             # results are inaccurate in that case.
 269             if windows_abi and windows_abi != "msvc":
 270                 return namespace(
 271                     dll=namespace(prefix="", suffix=".dll"),
 272                     lib=namespace(prefix="lib", suffix="a"),
 273                     import_lib=namespace(prefix="lib", suffix="a"),
 274                     obj=namespace(prefix="", suffix="o"),
 275                 )
 276
 277             return namespace(
 278                 dll=namespace(prefix="", suffix=".dll"),
 279                 lib=namespace(prefix="", suffix="lib"),
 280                 import_lib=namespace(prefix="", suffix="lib"),
 281                 obj=namespace(prefix="", suffix="obj"),
 282             )
 283
 284         elif host_or_target.kernel == "Darwin":
 285             return namespace(
 286                 dll=namespace(prefix="lib", suffix=".dylib"),
 287                 lib=namespace(prefix="lib", suffix="a"),
 288                 import_lib=namespace(prefix=None, suffix=""),
 289                 obj=namespace(prefix="", suffix="o"),
 290             )
 291         elif so_version:
 292             so = ".so.%s" % so_version
 293         else:
 294             so = ".so"
 295
 296         return namespace(
 297             dll=namespace(prefix="lib", suffix=so),
 298             lib=namespace(prefix="lib", suffix="a"),
 299             import_lib=namespace(prefix=None, suffix=""),
 300             obj=namespace(prefix="", suffix="o"),
 301         )
 302
 303     return library_name_info_impl
 304
 305
 306 host_library_name_info = library_name_info_template(host)
 307 library_name_info = library_name_info_template(target)
 308
 309 set_config("DLL_PREFIX", library_name_info.dll.prefix)
 310 set_config("DLL_SUFFIX", library_name_info.dll.suffix)
 311 set_config("HOST_DLL_PREFIX", host_library_name_info.dll.prefix)
 312 set_config("HOST_DLL_SUFFIX", host_library_name_info.dll.suffix)
 313 set_config("LIB_PREFIX", library_name_info.lib.prefix)
 314 set_config("LIB_SUFFIX", library_name_info.lib.suffix)
 315 set_config("OBJ_SUFFIX", library_name_info.obj.suffix)
 316 # Lots of compilation tests depend on this variable being present.
 317 add_old_configure_assignment("OBJ_SUFFIX", library_name_info.obj.suffix)
 318 set_config("IMPORT_LIB_SUFFIX", library_name_info.import_lib.suffix)
 319 set_define(
 320     "MOZ_DLL_PREFIX", depends(library_name_info.dll.prefix)(lambda s: '"%s"' % s)
 321 )
 322 set_define(
 323     "MOZ_DLL_SUFFIX", depends(library_name_info.dll.suffix)(lambda s: '"%s"' % s)
 324 )
 325 set_config("HOST_LIB_PREFIX", host_library_name_info.lib.prefix)
 326 set_config("HOST_IMPORT_LIB_SUFFIX", host_library_name_info.import_lib.suffix)
 327 set_config("WASM_OBJ_SUFFIX", "wasm")
 328
 329 # Make `profiling` available to this file even when js/moz.configure
 330 # doesn't end up included.
 331 profiling = dependable(False)
 332 # Same for js_standalone
 333 js_standalone = dependable(False)
 334 js_shared = dependable(False)
 335 moz_linker = dependable(False)
 336 # Same for fold_libs
 337 fold_libs = dependable(False)
 338 # And dmd
 339 dmd = dependable(False)
 340
 341 include(include_project_configure)
 342
 343
 344 @depends("--help")
 345 @imports(_from="mozbuild.backend", _import="backends")
 346 def build_backends_choices(_):
 347     return tuple(backends)
 348
 349
 350 @deprecated_option("--enable-build-backend", nargs="+", choices=build_backends_choices)
 351 def build_backend(backends):
 352     if backends:
 353         return tuple("+%s" % b for b in backends)
 354
 355
 356 imply_option("--build-backends", build_backend)
 357
 358
 359 @depends(
 360     host,
 361     target,
 362     "--enable-artifact-builds",
 363     "--disable-compile-environment",
 364     "--enable-project",
 365     "--enable-application",
 366     "--help",
 367 )
 368 @imports("sys")
 369 def build_backend_defaults(
 370     host,
 371     target,
 372     artifact_builds,
 373     compile_environment,
 374     project,
 375     application,
 376     _,
 377 ):
 378     if application:
 379         project = application[0]
 380     elif project:
 381         project = project[0]
 382
 383     if artifact_builds:
 384         all_backends = ["FasterMake+RecursiveMake"]
 385     else:
 386         all_backends = ["RecursiveMake", "FasterMake"]
 387     if (
 388         host.os == "WINNT"
 389         and target.os == "WINNT"
 390         and compile_environment
 391         and project not in ("mobile/android", "memory", "tools/update-programs")
 392     ):
 393         all_backends.append("VisualStudio")
 394     if compile_environment and project not in ("memory", "tools/update-programs"):
 395         all_backends.append("Clangd")
 396     return tuple(all_backends) or None
 397
 398
 399 option(
 400     "--build-backends",
 401     nargs="+",
 402     default=build_backend_defaults,
 403     choices=build_backends_choices,
 404     help="Build backends to generate",
 405 )
 406
 407
 408 @depends("--build-backends")
 409 def build_backends(backends):
 410     return backends
 411
 412
 413 set_config("BUILD_BACKENDS", build_backends)
 414
 415
 416 # Determine whether to build the gtest xul. This happens in automation
 417 # on Android and Desktop platforms with the exception of:
 418 #  - Windows PGO, where linking xul-gtest.dll takes too long;
 419 #  - Android other than x86_64, where gtest is not required.
 420 @depends(
 421     build_project,
 422     target,
 423     "MOZ_AUTOMATION",
 424     enable_tests,
 425     when="--enable-compile-environment",
 426 )
 427 def build_gtest(build_project, target, automation, enable_tests):
 428     return bool(
 429         enable_tests
 430         and automation
 431         and build_project in ("browser", "comm/mail", "mobile/android")
 432         and not (target.os == "Android" and target.cpu != "x86_64")
 433     )
 434
 435
 436 option(
 437     "--enable-gtest-in-build",
 438     default=build_gtest,
 439     help="{Enable|Force disable} building the gtest libxul during the build.",
 440     when="--enable-compile-environment",
 441 )
 442
 443 set_config("LINK_GTEST_DURING_COMPILE", True, when="--enable-gtest-in-build")
 444
 445 # Localization
 446 # ==============================================================
 447 option(
 448     "--enable-ui-locale",
 449     default="en-US",
 450     help="Select the user interface locale (default: en-US)",
 451 )
 452
 453 set_config("MOZ_UI_LOCALE", depends("--enable-ui-locale")(lambda x: x))
 454
 455 option(
 456     "--enable-icu4x",
 457     help="An experiment to use ICU4X instead of ICU4C. See intl/ICU4X.md",
 458 )
 459
 460 set_config("MOZ_ICU4X", True, when="--enable-icu4x")
 461
 462 # clang-plugin location
 463 # ==============================================================
 464
 465
 466 @depends(host_library_name_info, build_environment, when="--enable-clang-plugin")
 467 def clang_plugin_path(library_name_info, build_env):
 468     topobjdir = build_env.topobjdir
 469     if topobjdir.endswith("/js/src"):
 470         topobjdir = topobjdir[:-7]
 471     return os.path.abspath(
 472         os.path.join(
 473             topobjdir,
 474             "build",
 475             "clang-plugin",
 476             "%sclang-plugin%s"
 477             % (library_name_info.dll.prefix, library_name_info.dll.suffix),
 478         )
 479     )
 480
 481
 482 set_config("CLANG_PLUGIN", clang_plugin_path)
 483 add_old_configure_assignment("CLANG_PLUGIN", clang_plugin_path)
 484
 485
 486 # Awk detection
 487 # ==============================================================
 488 awk = check_prog("AWK", ("gawk", "mawk", "nawk", "awk"), paths=prefer_mozillabuild_path)
 489
 490 # Until the AWK variable is not necessary in old-configure
 491
 492
 493 @depends(awk)
 494 def awk_for_old_configure(value):
 495     return value
 496
 497
 498 add_old_configure_assignment("AWK", awk_for_old_configure)
 499
 500
 501 # Perl detection
 502 # ==============================================================
 503 perl = check_prog("PERL", ("perl5", "perl"))
 504
 505 # Until the PERL variable is not necessary in old-configure
 506
 507
 508 @depends(perl)
 509 def perl_for_old_configure(value):
 510     return value
 511
 512
 513 add_old_configure_assignment("PERL", perl_for_old_configure)
 514
 515
 516 @template
 517 def perl_version_check(min_version):
 518     @depends(perl)
 519     @checking("for minimum required perl version >= %s" % min_version)
 520     def get_perl_version(perl):
 521         return Version(
 522             check_cmd_output(
 523                 perl,
 524                 "-e",
 525                 "print $]",
 526                 onerror=lambda: die("Failed to get perl version."),
 527             )
 528         )
 529
 530     @depends(get_perl_version)
 531     def check_perl_version(version):
 532         if version < min_version:
 533             die("Perl %s or higher is required.", min_version)
 534
 535     @depends(perl)
 536     @checking("for full perl installation")
 537     @imports("subprocess")
 538     def has_full_perl_installation(perl):
 539         ret = subprocess.call([perl, "-e", "use Config; exit(!-d $Config{archlib})"])
 540         return ret == 0
 541
 542     @depends(has_full_perl_installation)
 543     def require_full_perl_installation(has_full_perl_installation):
 544         if not has_full_perl_installation:
 545             die(
 546                 "Cannot find Config.pm or $Config{archlib}. "
 547                 "A full perl installation is required."
 548             )
 549
 550
 551 perl_version_check("5.006")
 552
 553
 554 # GNU make detection
 555 # ==============================================================
 556 option(env="MAKE", nargs=1, help="Path to GNU make")
 557
 558
 559 @depends("MAKE", host)
 560 def possible_makes(make, host):
 561     candidates = []
 562     if make:
 563         candidates.append(make[0])
 564     if host.kernel == "WINNT":
 565         candidates.extend(("mozmake", "mingw32-make", "make", "gmake"))
 566     else:
 567         candidates.extend(("gmake", "make"))
 568     return candidates
 569
 570
 571 check_prog("GMAKE", possible_makes, bootstrap="mozmake")
 572
 573 # watchman detection
 574 # ==============================================================
 575
 576 option(env="WATCHMAN", nargs=1, help="Path to the watchman program")
 577
 578
 579 @depends(host, "WATCHMAN")
 580 @checking("for watchman", callback=lambda w: w.path if w else "not found")
 581 def watchman(host, prog):
 582     # On Windows, `watchman` is only supported on 64-bit hosts.
 583     if host.os == "WINNT" and host.cpu != "x86_64":
 584         return
 585
 586     if not prog:
 587         prog = find_program("watchman")
 588
 589     if not prog:
 590         return
 591
 592     # `watchman version` will talk to the Watchman daemon service.
 593     # This can hang due to permissions problems. e.g.
 594     # https://github.com/facebook/watchman/issues/376. So use
 595     # `watchman --version` to prevent a class of failures.
 596     out = check_cmd_output(prog, "--version", onerror=lambda: None)
 597     if out is None:
 598         return
 599
 600     return namespace(path=prog, version=Version(out.strip()))
 601
 602
 603 @depends_if(watchman)
 604 @checking("for watchman version")
 605 def watchman_version(w):
 606     return w.version
 607
 608
 609 set_config("WATCHMAN", watchman.path)
 610
 611
 612 @depends_all(hg_version, hg_config, watchman)
 613 @checking("for watchman Mercurial integration")
 614 @imports("os")
 615 def watchman_hg(hg_version, hg_config, watchman):
 616     if hg_version < Version("3.8"):
 617         return "no (Mercurial 3.8+ required)"
 618
 619     ext_enabled = False
 620     mode_disabled = False
 621
 622     for k in ("extensions.fsmonitor", "extensions.hgext.fsmonitor"):
 623         if k in hg_config and hg_config[k] != "!":
 624             ext_enabled = True
 625
 626     mode_disabled = hg_config.get("fsmonitor.mode") == "off"
 627
 628     if not ext_enabled:
 629         return "no (fsmonitor extension not enabled)"
 630     if mode_disabled:
 631         return "no (fsmonitor.mode=off disables fsmonitor)"
 632
 633     return True
 634
 635
 636 # Miscellaneous programs
 637 # ==============================================================
 638 check_prog("XARGS", ("xargs",))
 639
 640
 641 @depends(target)
 642 def extra_programs(target):
 643     if target.kernel == "Darwin":
 644         return namespace(
 645             DSYMUTIL=("dsymutil", "llvm-dsymutil"),
 646             MKFSHFS=("newfs_hfs", "mkfs.hfsplus"),
 647             HFS_TOOL=("hfsplus",),
 648         )
 649     if target.os == "GNU" and target.kernel == "Linux":
 650         return namespace(RPMBUILD=("rpmbuild",))
 651
 652
 653 check_prog("DSYMUTIL", extra_programs.DSYMUTIL, allow_missing=True)
 654 check_prog("MKFSHFS", extra_programs.MKFSHFS, allow_missing=True)
 655 check_prog("HFS_TOOL", extra_programs.HFS_TOOL, allow_missing=True)
 656 check_prog("RPMBUILD", extra_programs.RPMBUILD, allow_missing=True)
 657
 658
 659 nsis = check_prog(
 660     "MAKENSISU",
 661     ("makensis",),
 662     bootstrap="nsis/bin",
 663     allow_missing=True,
 664     when=target_is_windows,
 665 )
 666
 667 # Make sure the version of makensis is up to date.
 668
 669
 670 @depends_if(nsis)
 671 @checking("for NSIS version")
 672 @imports("re")
 673 def nsis_version(nsis):
 674     nsis_min_version = "3.0b1"
 675
 676     def onerror():
 677         return die("Failed to get nsis version.")
 678
 679     out = check_cmd_output(nsis, "-version", onerror=onerror)
 680
 681     m = re.search(r"(?<=v)[0-9]+\.[0-9]+((a|b|rc)[0-9]+)?", out)
 682
 683     if not m:
 684         raise FatalCheckError("Unknown version of makensis")
 685     ver = Version(m.group(0))
 686
 687     # Versions comparisons don't quite work well with beta versions, so ensure
 688     # it works for the non-beta version.
 689     if ver < nsis_min_version and (ver >= "3.0a" or ver < "3"):
 690         raise FatalCheckError(
 691             "To build the installer you must have NSIS"
 692             " version %s or greater in your path" % nsis_min_version
 693         )
 694
 695     return ver
 696
 697
 698 # And that makensis is 32-bit (but only on Windows).
 699 @depends_if(nsis, when=depends(host)(lambda h: h.kernel == "WINNT"))
 700 @checking("for 32-bit NSIS")
 701 def nsis_binary_type(nsis):
 702     bin_type = windows_binary_type(nsis)
 703     if bin_type != "win32":
 704         raise FatalCheckError("%s is not a 32-bit Windows application" % nsis)
 705
 706     return "yes"
 707
 708
 709 # And any flags we have to give to makensis
 710 @depends(host)
 711 def nsis_flags(host):
 712     if host.kernel != "WINNT":
 713         return "-nocd"
 714     return ""
 715
 716
 717 set_config("MAKENSISU_FLAGS", nsis_flags)
 718
 719 check_prog("7Z", ("7z", "7za"), allow_missing=True, when=target_is_windows)
 720 check_prog("UPX", ("upx",), allow_missing=True, when=target_is_windows)
 721
 722
 723 @template
 724 def llvm_tool(name):
 725     @depends(host_c_compiler, c_compiler, bindgen_config_paths)
 726     def llvm_tool(host_c_compiler, c_compiler, bindgen_config_paths):
 727         clang = None
 728         for compiler in (host_c_compiler, c_compiler):
 729             if compiler and compiler.type == "clang":
 730                 clang = compiler.compiler
 731                 break
 732             elif compiler and compiler.type == "clang-cl":
 733                 clang = os.path.join(os.path.dirname(compiler.compiler), "clang")
 734                 break
 735
 736         if not clang and bindgen_config_paths:
 737             clang = bindgen_config_paths.clang_path
 738         tool = name
 739         if clang:
 740             out = check_cmd_output(
 741                 clang, "--print-prog-name=%s" % tool, onerror=lambda: None
 742             )
 743             if out:
 744                 tool = out.rstrip()
 745         return (tool,)
 746
 747     return llvm_tool
 748
 749
 750 llvm_objdump = check_prog(
 751     "LLVM_OBJDUMP",
 752     llvm_tool("llvm-objdump"),
 753     what="llvm-objdump",
 754     when="--enable-compile-environment",
 755     paths=clang_search_path,
 756 )
 757
 758 add_old_configure_assignment("LLVM_OBJDUMP", llvm_objdump)
 759
 760
 761 @depends(llvm_tool("llvm-readelf"), toolchain_prefix)
 762 def readelf(llvm_readelf, toolchain_prefix):
 763     commands = [llvm_readelf[0], "readelf"]
 764     for prefix in toolchain_prefix or ():
 765         commands.insert(1, "%sreadelf" % prefix)
 766     return tuple(commands)
 767
 768
 769 def validate_readelf(path):
 770     # llvm-readelf from llvm < 8 doesn't support the GNU binutils-compatible `-d`
 771     # flag. We could try running `$path -d $some_binary` but we might be cross
 772     # compiling and not have a binary at hand to run that against. `$path -d` alone
 773     # would fail whether the flag is supported or not. So we resort to look for the
 774     # option in the `--help` output, which fortunately, s compatible between
 775     # llvm-readelf and readelf.
 776     retcode, stdout, stderr = get_cmd_output(path, "--help")
 777     return retcode == 0 and any(l.startswith("  -d ") for l in stdout.splitlines())
 778
 779
 780 @depends("--enable-compile-environment", target, host)
 781 def readelf_when(compile_env, target, host):
 782     return compile_env and any(
 783         x.kernel not in ("Darwin", "WINNT") for x in (target, host)
 784     )
 785
 786
 787 check_prog(
 788     "READELF",
 789     readelf,
 790     when=readelf_when,
 791     paths=clang_search_path,
 792     validate=validate_readelf,
 793 )
 794
 795
 796 @depends(llvm_tool("llvm-objcopy"), toolchain_prefix)
 797 def objcopy(llvm_objcopy, toolchain_prefix):
 798     commands = [llvm_objcopy[0], "objcopy"]
 799     for prefix in toolchain_prefix or ():
 800         commands.insert(1, "%sreadelf" % prefix)
 801     return tuple(commands)
 802
 803
 804 def validate_objcopy(path):
 805     if "llvm-objcopy" not in path:
 806         return True
 807     # llvm-objcopy doesn't support --only-keep-debug before llvm 9.0.
 808     retcode, stdout, stderr = get_cmd_output(path, "--help")
 809     return retcode == 0 and any(
 810         l.startswith("  --only-keep-debug ") for l in stdout.splitlines()
 811     )
 812
 813
 814 check_prog(
 815     "OBJCOPY",
 816     objcopy,
 817     when=readelf_when,
 818     paths=clang_search_path,
 819     validate=validate_objcopy,
 820 )
 821
 822 option("--enable-dtrace", help="Build with dtrace support")
 823
 824 dtrace = check_header(
 825     "sys/sdt.h",
 826     when="--enable-dtrace",
 827     onerror=lambda: die("dtrace enabled but sys/sdt.h not found"),
 828 )
 829
 830 set_config("HAVE_DTRACE", True, when=dtrace)
 831 set_define("INCLUDE_MOZILLA_DTRACE", True, when=dtrace)
 832 add_old_configure_assignment("enable_dtrace", "yes", when=dtrace)
 833
 834
 835 option("--disable-icf", help="Disable Identical Code Folding")
 836
 837 add_old_configure_assignment(
 838     "MOZ_DISABLE_ICF", "1", when=depends("--enable-icf")(lambda x: not x)
 839 )
 840
 841
 842 option(
 843     "--enable-strip",
 844     when=compile_environment,
 845     help="Enable stripping of libs & executables",
 846 )
 847
 848 # This should be handled as a `when` once bug 1617793 is fixed.
 849
 850
 851 @depends("--enable-strip", c_compiler, when=compile_environment)
 852 def enable_strip(strip, c_compiler):
 853     if strip and c_compiler.type != "clang-cl":
 854         return True
 855
 856
 857 set_config("ENABLE_STRIP", enable_strip)
 858
 859 option(
 860     "--disable-install-strip",
 861     when=compile_environment,
 862     help="Enable stripping of libs & executables when packaging",
 863 )
 864
 865 # This should be handled as a `when` once bug 1617793 is fixed.
 866
 867
 868 @depends("--enable-install-strip", c_compiler, when=compile_environment)
 869 def enable_install_strip(strip, c_compiler):
 870     if strip and c_compiler.type != "clang-cl":
 871         return True
 872
 873
 874 set_config("PKG_STRIP", enable_install_strip)
 875
 876
 877 @depends("--enable-strip", "--enable-install-strip", when=compile_environment)
 878 def strip(strip, install_strip):
 879     return strip or install_strip
 880
 881
 882 option(env="STRIP_FLAGS", nargs=1, when=strip, help="Flags for the strip command")
 883
 884
 885 @depends("STRIP_FLAGS", profiling, target, when=strip)
 886 def strip_flags(flags, profiling, target):
 887     if flags:
 888         return flags[0].split()
 889     if profiling:
 890         # Only strip debug info and symbols when profiling is enabled, keeping
 891         # local symbols.
 892         if target.kernel == "Darwin":
 893             return ["-S"]
 894         elif target.os == "Android":
 895             # The tooling we use with Android supports detached symbols, and the
 896             # size increase caused by local symbols are too much for mobile. So,
 897             # don't restrict the amount of stripping with a flag.
 898             return
 899         else:
 900             return ["--strip-debug"]
 901     # Otherwise strip everything we can, which happens without flags on non-Darwin.
 902     # On Darwin, it tries to strip things it can't, so we need to limit its scope.
 903     elif target.kernel == "Darwin":
 904         return ["-x", "-S"]
 905
 906
 907 set_config("STRIP_FLAGS", strip_flags)
 908
 909
 910 @depends(llvm_tool("llvm-strip"), toolchain_prefix, target)
 911 def strip(llvm_strip, toolchain_prefix, target):
 912     commands = ["strip"]
 913     for prefix in toolchain_prefix or ():
 914         commands.insert(0, "%sstrip" % prefix)
 915     # llvm-strip causes some problems on macos targets.
 916     if target.kernel == "Darwin":
 917         commands.append(llvm_strip[0])
 918     else:
 919         commands.insert(0, llvm_strip[0])
 920     return tuple(commands)
 921
 922
 923 def validate_strip(path):
 924     if "llvm-strip" not in path:
 925         return True
 926     # llvm-strip doesn't support -S before llvm 8.0.
 927     retcode, stdout, stderr = get_cmd_output(path, "--help")
 928     return retcode == 0 and any(l.startswith("  -S ") for l in stdout.splitlines())
 929
 930
 931 @depends("--enable-compile-environment", target, host)
 932 def strip_when(compile_env, target, host):
 933     return compile_env and any(x.kernel != "WINNT" for x in (target, host))
 934
 935
 936 check_prog(
 937     "STRIP",
 938     strip,
 939     when=strip_when,
 940     paths=clang_search_path,
 941     validate=validate_strip,
 942 )
 943
 944
 945 @depends(js_standalone, target)
 946 def system_zlib_default(js_standalone, target):
 947     return (
 948         js_standalone
 949         and target.kernel not in ("WINNT", "Darwin")
 950         and target.os != "Android"
 951     )
 952
 953
 954 option(
 955     "--with-system-zlib",
 956     nargs="?",
 957     default=system_zlib_default,
 958     help="{Use|Do not use} system libz",
 959 )
 960
 961
 962 @depends("--with-system-zlib")
 963 def deprecated_system_zlib_path(value):
 964     if len(value) == 1:
 965         die(
 966             "--with-system-zlib=PATH is not supported anymore. Please use "
 967             "--with-system-zlib and set any necessary pkg-config environment variable."
 968         )
 969
 970
 971 pkg_check_modules("MOZ_ZLIB", "zlib >= 1.2.3", when="--with-system-zlib")
 972
 973 set_config("MOZ_SYSTEM_ZLIB", True, when="--with-system-zlib")
 974
 975
 976 @depends("--with-system-zlib", js_shared, moz_linker, target.os)
 977 def zlib_in_mozglue(system_zlib, js_shared, linker, os):
 978     if not system_zlib and (js_shared or linker or os == "Android"):
 979         return True
 980
 981
 982 set_config("ZLIB_IN_MOZGLUE", zlib_in_mozglue)
 983 set_define("ZLIB_IN_MOZGLUE", zlib_in_mozglue)
 984
 985
 986 # Please do not add configure checks from here on.
 987
 988 # Fallthrough to autoconf-based configure
 989 include("build/moz.configure/old.configure")
 990
 991 # JS Subconfigure.
 992 include("js/sub.configure", when=compile_environment & toolkit)
 993
 994
 995 @depends(build_environment, configure_cache)
 996 @imports(_import="json")
 997 @imports(_from="pathlib", _import="Path")
 998 def save_cache(build_environment, configure_cache):
 999     cache_file = Path(build_environment.topobjdir) / "configure.cache"
1000
1001     with cache_file.open(mode="w") as fd:
1002         json.dump(configure_cache, fd, indent=4)
1003
1004
1005 @depends(build_environment, build_project)
1006 @imports("__sandbox__")
1007 @imports("glob")
1008 @imports(_from="os.path", _import="exists")
1009 def config_status_deps(build_env, build_project):
1010
1011     topsrcdir = build_env.topsrcdir
1012     topobjdir = build_env.topobjdir
1013
1014     if not topobjdir.endswith("js/src"):
1015         extra_deps = [os.path.join(topobjdir, ".mozconfig.json")]
1016     else:
1017         # mozconfig changes may impact js configure.
1018         extra_deps = [os.path.join(topobjdir[:-7], ".mozconfig.json")]
1019
1020     confvars = os.path.join(topsrcdir, build_project, "confvars.sh")
1021     if exists(confvars):
1022         extra_deps.append(confvars)
1023
1024     return (
1025         list(__sandbox__._all_paths)
1026         + extra_deps
1027         + [
1028             os.path.join(topsrcdir, "CLOBBER"),
1029             os.path.join(topsrcdir, "configure"),
1030             os.path.join(topsrcdir, "js", "src", "configure"),
1031             os.path.join(topsrcdir, "nsprpub", "configure"),
1032             os.path.join(topsrcdir, "config", "milestone.txt"),
1033             os.path.join(topsrcdir, "browser", "config", "version.txt"),
1034             os.path.join(topsrcdir, "browser", "config", "version_display.txt"),
1035             os.path.join(topsrcdir, "python", "sites", "build.txt"),
1036             os.path.join(topsrcdir, "python", "sites", "common.txt"),
1037             os.path.join(topsrcdir, "python", "sites", "mach.txt"),
1038             os.path.join(topsrcdir, "python", "mach", "mach", "site.py"),
1039             os.path.join(topsrcdir, "aclocal.m4"),
1040             os.path.join(topsrcdir, "old-configure.in"),
1041             os.path.join(topsrcdir, "js", "src", "aclocal.m4"),
1042             os.path.join(topsrcdir, "js", "src", "old-configure.in"),
1043         ]
1044         + glob.glob(os.path.join(topsrcdir, "build", "autoconf", "*.m4"))
1045     )
1046
1047
1048 set_config("CONFIG_STATUS_DEPS", config_status_deps)
1049 # Please do not add anything after setting config_dep_paths.