Bug 1694101 [wpt PR 17571] - HTML: <tr height=0> is a thing, a=testonly
[gecko.git] / moz.configure
blob6952375a42a12b42923d49b6109fbdea706b6478
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/.
7 include("build/moz.configure/init.configure")
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.
17 option(
18     "--enable-artifact-builds",
19     env="MOZ_ARTIFACT_BUILDS",
20     help="Download and use prebuilt binary artifacts.",
24 @depends("--enable-artifact-builds")
25 def artifact_builds(value):
26     if value:
27         return True
30 set_config("MOZ_ARTIFACT_BUILDS", artifact_builds)
32 imply_option(
33     "--enable-artifact-build-symbols",
34     depends(artifact_builds)(lambda v: False if v is None else None),
35     reason="--disable-artifact-builds",
38 option(
39     "--enable-artifact-build-symbols",
40     nargs="?",
41     choices=("full",),
42     help="Download symbols when artifact builds are enabled.",
46 @depends("--enable-artifact-build-symbols", "MOZ_AUTOMATION", target)
47 def enable_artifact_build_symbols(value, automation, target):
48     if len(value):
49         return value[0]
50     if bool(value):
51         if target.os == "Android" and not automation:
52             return "full"
53         return True
54     return None
57 set_config("MOZ_ARTIFACT_BUILD_SYMBOLS", enable_artifact_build_symbols)
60 @depends("--enable-artifact-builds")
61 def imply_disable_compile_environment(value):
62     if value:
63         return False
66 option(
67     env="MOZ_COPY_PDBS",
68     help="For builds that do not support symbols in the normal fashion,"
69     " generate and copy them into the resulting build archive.",
72 set_config("MOZ_COPY_PDBS", depends_if("MOZ_COPY_PDBS")(lambda _: True))
74 imply_option("--enable-compile-environment", imply_disable_compile_environment)
76 option("--disable-compile-environment", help="Disable compiler/library checks")
79 @depends("--disable-compile-environment")
80 def compile_environment(compile_env):
81     if compile_env:
82         return True
85 set_config("COMPILE_ENVIRONMENT", compile_environment)
86 add_old_configure_assignment("COMPILE_ENVIRONMENT", compile_environment)
88 option("--disable-tests", help="Do not build test libraries & programs")
91 @depends("--disable-tests")
92 def enable_tests(value):
93     if value:
94         return True
97 set_config("ENABLE_TESTS", enable_tests)
98 set_define("ENABLE_TESTS", enable_tests)
101 @depends(enable_tests)
102 def gtest_has_rtti(value):
103     if value:
104         return "0"
107 set_define("GTEST_HAS_RTTI", gtest_has_rtti)
110 @depends(target, enable_tests)
111 def linux_gtest_defines(target, enable_tests):
112     if enable_tests and target.os == "Android":
113         return namespace(os_linux_android=True, use_own_tr1_tuple=True, has_clone="0")
116 set_define("GTEST_OS_LINUX_ANDROID", linux_gtest_defines.os_linux_android)
117 set_define("GTEST_USE_OWN_TR1_TUPLE", linux_gtest_defines.use_own_tr1_tuple)
118 set_define("GTEST_HAS_CLONE", linux_gtest_defines.has_clone)
120 option(
121     "--enable-debug",
122     nargs="?",
123     help="Enable building with developer debug info "
124     "(using the given compiler flags).",
128 @depends("--enable-debug")
129 def moz_debug(debug):
130     if debug:
131         return bool(debug)
134 set_config("MOZ_DEBUG", moz_debug)
135 set_define("MOZ_DEBUG", moz_debug)
136 # Override any value MOZ_DEBUG may have from the environment when passing it
137 # down to old-configure.
138 add_old_configure_assignment("MOZ_DEBUG", depends("--enable-debug")(lambda x: bool(x)))
140 option(
141     "--with-debug-label",
142     nargs="+",
143     help="Debug DEBUG_<value> for each comma-separated value given",
147 @depends(moz_debug, "--with-debug-label")
148 def debug_defines(debug, labels):
149     if debug:
150         return ["DEBUG"] + ["DEBUG_%s" % label for label in labels]
151     return ["NDEBUG", "TRIMMED"]
154 set_config("MOZ_DEBUG_DEFINES", debug_defines)
156 option(
157     "--enable-rust-debug",
158     default=depends(when="--enable-debug")(lambda: True),
159     help="{Build|Do not build} Rust code with debug assertions turned " "on.",
163 @depends(when="--enable-rust-debug")
164 def debug_rust():
165     return True
168 set_config("MOZ_DEBUG_RUST", debug_rust)
169 set_define("MOZ_DEBUG_RUST", debug_rust)
171 option(env="MOZ_PGO", help="Build with profile guided optimizations")
173 set_config("MOZ_PGO", depends("MOZ_PGO")(lambda x: bool(x)))
176 imply_option("--enable-release", mozilla_official)
177 imply_option("--enable-release", depends_if("MOZ_AUTOMATION")(lambda x: True))
179 option(
180     "--enable-release",
181     default=milestone.is_release_or_beta,
182     help="{Build|Do not build} with more conservative, release "
183     "engineering-oriented options.{ This may slow down builds.|}",
187 @depends("--enable-release")
188 def developer_options(value):
189     if not value:
190         return True
193 add_old_configure_assignment("DEVELOPER_OPTIONS", developer_options)
194 set_config("DEVELOPER_OPTIONS", developer_options)
197 option(
198     env="MOZ_FETCHES_DIR",
199     nargs=1,
200     when="MOZ_AUTOMATION",
201     help="Directory containing fetched artifacts",
205 @depends("MOZ_FETCHES_DIR", when="MOZ_AUTOMATION")
206 def moz_fetches_dir(value):
207     if value:
208         return value[0]
211 option(
212     "--enable-bootstrap",
213     nargs="?",
214     choices=("install", "update"),
215     help="Automatically update/bootstrap some toolchains when they are present but out of date",
219 @depends(developer_options, "--enable-bootstrap", moz_fetches_dir)
220 def bootstrap_search_path_order(developer_options, bootstrap, moz_fetches_dir):
221     if moz_fetches_dir:
222         log.debug("Prioritizing MOZ_FETCHES_DIR in toolchain path.")
223         return "prepend"
225     if bootstrap:
226         log.debug(
227             "Prioritizing mozbuild state dir in toolchain paths because "
228             "bootstrap mode is enabled."
229         )
230         return "prepend"
232     if developer_options:
233         log.debug(
234             "Prioritizing mozbuild state dir in toolchain paths because "
235             "you are not building in release mode."
236         )
237         return "prepend"
239     log.debug(
240         "Prioritizing system over mozbuild state dir in "
241         "toolchain paths because you are building in "
242         "release mode."
243     )
244     return "append"
247 toolchains_base_dir = moz_fetches_dir | mozbuild_state_path
250 @dependable
251 @imports("os")
252 @imports(_from="os", _import="environ")
253 def original_path():
254     return environ["PATH"].split(os.pathsep)
257 @depends("--enable-bootstrap")
258 def bootstrap(value):
259     if value:
260         # value here is either an empty tuple, or a tuple containing either
261         # 'install' or 'update'. All values but 'install' mean 'update'.
262         if len(value) and value[0] == "install":
263             return "install"
264         return True
267 @template
268 def bootstrap_toolchain_tasks(host_or_target):
269     @depends(host_or_target, when=bootstrap)
270     @imports("os")
271     @imports(_from="mozbuild.toolchains", _import="toolchain_task_definitions")
272     @imports(_from="__builtin__", _import="Exception")
273     def bootstrap_toolchain_tasks(host_or_target):
274         prefix = {
275             ("x86", "GNU", "Linux"): "linux32",
276             ("x86_64", "GNU", "Linux"): "linux64",
277             ("aarch64", "GNU", "Linux"): "linux64-aarch64",
278             ("x86_64", "OSX", "Darwin"): "macosx64",
279             ("aarch64", "OSX", "Darwin"): "macosx64-aarch64",
280             ("x86_64", "WINNT", "WINNT"): "win64",
281         }.get((host_or_target.cpu, host_or_target.os, host_or_target.kernel))
282         if prefix:
283             try:
284                 return namespace(prefix=prefix, tasks=toolchain_task_definitions())
285             except Exception:
286                 return None
288     return bootstrap_toolchain_tasks
291 host_bootstrap_toolchain_tasks = bootstrap_toolchain_tasks(host)
292 target_bootstrap_toolchain_tasks = bootstrap_toolchain_tasks(target)
295 @template
296 def bootstrap_path(*path_parts, **kwargs):
297     when = kwargs.pop("when", None)
298     context = kwargs.pop("context", host)
299     if kwargs:
300         configure_error(
301             "bootstrap_path only takes `when` or `context` as keyword arguments"
302         )
304     bootstrap_toolchain_tasks = {
305         host: host_bootstrap_toolchain_tasks,
306         target: target_bootstrap_toolchain_tasks,
307     }[context]
309     @depends(
310         bootstrap,
311         toolchains_base_dir,
312         bootstrap_toolchain_tasks,
313         shell,
314         check_build_environment,
315         when=when,
316     )
317     @imports("os")
318     @imports("subprocess")
319     @imports(_from="mozbuild.util", _import="ensureParentDir")
320     @imports(_from="__builtin__", _import="open")
321     @imports(_from="__builtin__", _import="Exception")
322     def bootstrap_path(bootstrap, toolchains_base_dir, tasks, shell, build_env):
323         def try_bootstrap(exists):
324             if not tasks:
325                 return False
326             label = "toolchain-{}-{}".format(
327                 tasks.prefix, path_parts[0].replace("_", "-")
328             )
329             task = tasks.tasks.get(label)
330             if not task:
331                 return False
332             task_index = task.optimization.get("index-search")
333             if not task_index:
334                 return False
335             task_index = task_index[0].split(".")[-1]
336             artifact = task.attributes["toolchain-artifact"]
337             # `mach artifact toolchain` doesn't support authentication for
338             # private artifacts.
339             if not artifact.startswith("public/"):
340                 return False
341             index_file = os.path.join(toolchains_base_dir, "indices", path_parts[0])
342             try:
343                 with open(index_file) as fh:
344                     index = fh.read().strip()
345             except Exception:
346                 index = None
347             if index == task_index and exists:
348                 return True
349             log.info(
350                 "%s bootstrapped toolchain in %s",
351                 "Updating" if exists else "Installing",
352                 os.path.join(toolchains_base_dir, path_parts[0]),
353             )
354             subprocess.run(
355                 [
356                     shell,
357                     os.path.join(build_env.topsrcdir, "mach"),
358                     "--log-no-times",
359                     "artifact",
360                     "toolchain",
361                     "--from-build",
362                     label,
363                 ],
364                 cwd=toolchains_base_dir,
365                 check=True,
366             )
367             ensureParentDir(index_file)
368             with open(index_file, "w") as fh:
369                 fh.write(task_index)
370             return True
372         path = os.path.join(toolchains_base_dir, *path_parts)
373         exists = os.path.exists(path)
374         if bootstrap and (exists or bootstrap == "install"):
375             try:
376                 if not try_bootstrap(exists):
377                     # If there aren't toolchain artifacts to use for this build,
378                     # don't return a path.
379                     return None
380             except Exception as e:
381                 log.error("%s", e)
382                 die("If you can't fix the above, retry with --disable-bootstrap.")
383         # We re-test whether the path exists because it may have been created by
384         # try_bootstrap. Automation will not have gone through the bootstrap
385         # process, but we want to return the path if it exists.
386         if os.path.exists(path):
387             return path
389     return bootstrap_path
392 @template
393 def bootstrap_search_path(*path_parts, **kwargs):
394     @depends(
395         bootstrap_path(*path_parts, **kwargs),
396         bootstrap_search_path_order,
397         original_path,
398     )
399     def bootstrap_search_path(path, order, original_path):
400         if not path:
401             return original_path
402         if order == "prepend":
403             return [path] + original_path
404         return original_path + [path]
406     return bootstrap_search_path
409 @depends(target, host)
410 def want_wine(target, host):
411     return target.kernel == "WINNT" and host.kernel != "WINNT"
414 wine = check_prog(
415     "WINE",
416     ["wine64", "wine"],
417     allow_missing=True,
418     when=want_wine,
419     paths=bootstrap_search_path("wine", "bin", when=want_wine),
421 check_prog("WGET", ("wget",), allow_missing=True)
424 include("build/moz.configure/toolchain.configure", when="--enable-compile-environment")
426 include("build/moz.configure/pkg.configure")
427 # Make this assignment here rather than in pkg.configure to avoid
428 # requiring this file in unit tests.
429 add_old_configure_assignment("PKG_CONFIG", pkg_config)
431 include("build/moz.configure/memory.configure", when="--enable-compile-environment")
432 include("build/moz.configure/headers.configure", when="--enable-compile-environment")
433 include("build/moz.configure/warnings.configure", when="--enable-compile-environment")
434 include("build/moz.configure/flags.configure", when="--enable-compile-environment")
435 include("build/moz.configure/lto-pgo.configure", when="--enable-compile-environment")
436 # rust.configure is included by js/moz.configure.
438 option("--enable-valgrind", help="Enable Valgrind integration hooks")
440 valgrind_h = check_header("valgrind/valgrind.h", when="--enable-valgrind")
443 @depends("--enable-valgrind", valgrind_h)
444 def check_valgrind(valgrind, valgrind_h):
445     if valgrind:
446         if not valgrind_h:
447             die("--enable-valgrind specified but Valgrind is not installed")
448         return True
451 set_define("MOZ_VALGRIND", check_valgrind)
452 set_config("MOZ_VALGRIND", check_valgrind)
455 @depends(target, host)
456 def is_openbsd(target, host):
457     return target.kernel == "OpenBSD" or host.kernel == "OpenBSD"
460 option(
461     env="SO_VERSION",
462     nargs=1,
463     default="1.0",
464     when=is_openbsd,
465     help="Shared library version for OpenBSD systems",
469 @depends("SO_VERSION", when=is_openbsd)
470 def so_version(value):
471     return value
474 @template
475 def library_name_info_template(host_or_target):
476     assert host_or_target in {host, target}
477     compiler = {
478         host: host_c_compiler,
479         target: c_compiler,
480     }[host_or_target]
482     @depends(host_or_target, compiler, so_version)
483     def library_name_info_impl(host_or_target, compiler, so_version):
484         if host_or_target.kernel == "WINNT":
485             # There aren't artifacts for mingw builds, so it's OK that the
486             # results are inaccurate in that case.
487             if compiler and compiler.type != "clang-cl":
488                 return namespace(
489                     dll=namespace(prefix="", suffix=".dll"),
490                     lib=namespace(prefix="lib", suffix="a"),
491                     import_lib=namespace(prefix="lib", suffix="a"),
492                     obj=namespace(prefix="", suffix="o"),
493                 )
495             return namespace(
496                 dll=namespace(prefix="", suffix=".dll"),
497                 lib=namespace(prefix="", suffix="lib"),
498                 import_lib=namespace(prefix="", suffix="lib"),
499                 obj=namespace(prefix="", suffix="obj"),
500             )
502         elif host_or_target.kernel == "Darwin":
503             return namespace(
504                 dll=namespace(prefix="lib", suffix=".dylib"),
505                 lib=namespace(prefix="lib", suffix="a"),
506                 import_lib=namespace(prefix=None, suffix=""),
507                 obj=namespace(prefix="", suffix="o"),
508             )
509         elif so_version:
510             so = ".so.%s" % so_version
511         else:
512             so = ".so"
514         return namespace(
515             dll=namespace(prefix="lib", suffix=so),
516             lib=namespace(prefix="lib", suffix="a"),
517             import_lib=namespace(prefix=None, suffix=""),
518             obj=namespace(prefix="", suffix="o"),
519         )
521     return library_name_info_impl
524 host_library_name_info = library_name_info_template(host)
525 library_name_info = library_name_info_template(target)
527 set_config("DLL_PREFIX", library_name_info.dll.prefix)
528 set_config("DLL_SUFFIX", library_name_info.dll.suffix)
529 set_config("HOST_DLL_PREFIX", host_library_name_info.dll.prefix)
530 set_config("HOST_DLL_SUFFIX", host_library_name_info.dll.suffix)
531 set_config("LIB_PREFIX", library_name_info.lib.prefix)
532 set_config("LIB_SUFFIX", library_name_info.lib.suffix)
533 set_config("OBJ_SUFFIX", library_name_info.obj.suffix)
534 # Lots of compilation tests depend on this variable being present.
535 add_old_configure_assignment("OBJ_SUFFIX", library_name_info.obj.suffix)
536 set_config("IMPORT_LIB_SUFFIX", library_name_info.import_lib.suffix)
537 set_define(
538     "MOZ_DLL_PREFIX", depends(library_name_info.dll.prefix)(lambda s: '"%s"' % s)
540 set_define(
541     "MOZ_DLL_SUFFIX", depends(library_name_info.dll.suffix)(lambda s: '"%s"' % s)
543 set_config("WASM_OBJ_SUFFIX", "wasm")
545 # Make `profiling` available to this file even when js/moz.configure
546 # doesn't end up included.
547 profiling = dependable(False)
548 # Same for js_standalone
549 js_standalone = dependable(False)
550 # Same for fold_libs
551 fold_libs = dependable(False)
553 include(include_project_configure)
556 @depends("--help")
557 @imports(_from="mozbuild.backend", _import="backends")
558 def build_backends_choices(_):
559     return tuple(backends)
562 @deprecated_option("--enable-build-backend", nargs="+", choices=build_backends_choices)
563 def build_backend(backends):
564     if backends:
565         return tuple("+%s" % b for b in backends)
568 imply_option("--build-backends", build_backend)
571 @depends(
572     "--enable-artifact-builds",
573     "--disable-compile-environment",
574     "--enable-build-backend",
575     "--enable-project",
576     "--enable-application",
577     "--help",
579 @imports("sys")
580 def build_backend_defaults(
581     artifact_builds, compile_environment, requested_backends, project, application, _
583     if application:
584         project = application[0]
585     elif project:
586         project = project[0]
588     if "Tup" in requested_backends:
589         # As a special case, if Tup was requested, do not combine it with any
590         # Make based backend by default.
591         all_backends = []
592     elif artifact_builds:
593         all_backends = ["FasterMake+RecursiveMake"]
594     else:
595         all_backends = ["RecursiveMake", "FasterMake"]
596     # Normally, we'd use target.os == 'WINNT', but a dependency on target
597     # would require target to depend on --help, as well as host and shell,
598     # and this is not a can of worms we can open at the moment.
599     if sys.platform == "win32" and compile_environment and project != "mobile/android":
600         all_backends.append("VisualStudio")
601     return tuple(all_backends) or None
604 option(
605     "--build-backends",
606     nargs="+",
607     default=build_backend_defaults,
608     choices=build_backends_choices,
609     help="Build backends to generate",
613 @depends("--build-backends")
614 def build_backends(backends):
615     return backends
618 set_config("BUILD_BACKENDS", build_backends)
621 @depends(check_build_environment, build_backends)
622 @imports("glob")
623 def check_objdir_backend_reuse(build_env, backends):
624     # "Make based" might be RecursiveMake or a hybrid backend, so "Make" is
625     # intentionally vague for use with the substring match below.
626     incompatible_backends = (("Tup", "Make"), ("Make", "Tup"))
627     for backend_file in glob.iglob(
628         os.path.join(build_env.topobjdir, "backend.*Backend")
629     ):
630         for prev, curr in incompatible_backends:
631             if prev in backend_file and any(curr in b for b in backends):
632                 die(
633                     "The active objdir, %s, was previously "
634                     "used to build with a %s based backend. "
635                     "Change objdirs (by setting MOZ_OBJDIR in "
636                     "your mozconfig) or clobber to continue.\n",
637                     build_env.topobjdir,
638                     prev,
639                 )
642 option(
643     "--disable-gtest-in-build",
644     help="Force disable building the gtest libxul during the build.",
645     when="--enable-compile-environment",
648 # Determine whether to build the gtest xul. This happens in automation
649 # on Android and Desktop platforms with the exception of:
650 #  - Windows PGO, where linking xul-gtest.dll takes too long;
651 #  - Android other than x86_64, where gtest is not required.
652 @depends(
653     "MOZ_PGO",
654     build_project,
655     target,
656     "MOZ_AUTOMATION",
657     "--disable-gtest-in-build",
658     enable_tests,
659     when="--enable-compile-environment",
661 def build_gtest(pgo, build_project, target, automation, enabled, enable_tests):
662     if not enable_tests or not enabled:
663         return None
664     if (
665         automation
666         and build_project in ("browser", "comm/mail", "mobile/android")
667         and not (
668             (pgo and target.os == "WINNT")
669             or (target.os == "Android" and target.cpu != "x86_64")
670         )
671     ):
672         return True
675 set_config("LINK_GTEST_DURING_COMPILE", build_gtest)
677 # Localization
678 # ==============================================================
679 option(
680     "--enable-ui-locale",
681     default="en-US",
682     help="Select the user interface locale (default: en-US)",
685 set_config("MOZ_UI_LOCALE", depends("--enable-ui-locale")(lambda x: x))
687 # clang-plugin location
688 # ==============================================================
689 @depends(host_library_name_info, check_build_environment, when="--enable-clang-plugin")
690 def clang_plugin_path(library_name_info, build_env):
691     topobjdir = build_env.topobjdir
692     if topobjdir.endswith("/js/src"):
693         topobjdir = topobjdir[:-7]
694     return os.path.abspath(
695         os.path.join(
696             topobjdir,
697             "build",
698             "clang-plugin",
699             "%sclang-plugin%s"
700             % (library_name_info.dll.prefix, library_name_info.dll.suffix),
701         )
702     )
705 add_old_configure_assignment("CLANG_PLUGIN", clang_plugin_path)
708 # Awk detection
709 # ==============================================================
710 awk = check_prog("AWK", ("gawk", "mawk", "nawk", "awk"))
712 # Until the AWK variable is not necessary in old-configure
713 @depends(awk)
714 def awk_for_old_configure(value):
715     return value
718 add_old_configure_assignment("AWK", awk_for_old_configure)
721 # Perl detection
722 # ==============================================================
723 perl = check_prog("PERL", ("perl5", "perl"))
725 # Until the PERL variable is not necessary in old-configure
726 @depends(perl)
727 def perl_for_old_configure(value):
728     return value
731 add_old_configure_assignment("PERL", perl_for_old_configure)
734 @template
735 def perl_version_check(min_version):
736     @depends(perl)
737     @checking("for minimum required perl version >= %s" % min_version)
738     def get_perl_version(perl):
739         return Version(
740             check_cmd_output(
741                 perl,
742                 "-e",
743                 "print $]",
744                 onerror=lambda: die("Failed to get perl version."),
745             )
746         )
748     @depends(get_perl_version)
749     def check_perl_version(version):
750         if version < min_version:
751             die("Perl %s or higher is required.", min_version)
753     @depends(perl)
754     @checking("for full perl installation")
755     @imports("subprocess")
756     def has_full_perl_installation(perl):
757         ret = subprocess.call([perl, "-e", "use Config; exit(!-d $Config{archlib})"])
758         return ret == 0
760     @depends(has_full_perl_installation)
761     def require_full_perl_installation(has_full_perl_installation):
762         if not has_full_perl_installation:
763             die(
764                 "Cannot find Config.pm or $Config{archlib}. "
765                 "A full perl installation is required."
766             )
769 perl_version_check("5.006")
772 # GNU make detection
773 # ==============================================================
774 option(env="MAKE", nargs=1, help="Path to GNU make")
777 @depends("MAKE", host)
778 def possible_makes(make, host):
779     candidates = []
780     if host.kernel == "WINNT":
781         candidates.append("mingw32-make")
782     if make:
783         candidates.append(make[0])
784     if host.kernel == "WINNT":
785         candidates.extend(("make", "gmake"))
786     else:
787         candidates.extend(("gmake", "make"))
788     return candidates
791 check_prog("GMAKE", possible_makes)
793 # watchman detection
794 # ==============================================================
796 option(env="WATCHMAN", nargs=1, help="Path to the watchman program")
799 @depends(host, "WATCHMAN")
800 @checking("for watchman", callback=lambda w: w.path if w else "not found")
801 def watchman(host, prog):
802     # On Windows, `watchman` is only supported on 64-bit hosts.
803     if host.os == "WINNT" and host.cpu != "x86_64":
804         return
806     if not prog:
807         prog = find_program("watchman")
809     if not prog:
810         return
812     # `watchman version` will talk to the Watchman daemon service.
813     # This can hang due to permissions problems. e.g.
814     # https://github.com/facebook/watchman/issues/376. So use
815     # `watchman --version` to prevent a class of failures.
816     out = check_cmd_output(prog, "--version", onerror=lambda: None)
817     if out is None:
818         return
820     return namespace(path=prog, version=Version(out.strip()))
823 @depends_if(watchman)
824 @checking("for watchman version")
825 def watchman_version(w):
826     return w.version
829 set_config("WATCHMAN", watchman.path)
832 @depends_all(hg_version, hg_config, watchman)
833 @checking("for watchman Mercurial integration")
834 @imports("os")
835 def watchman_hg(hg_version, hg_config, watchman):
836     if hg_version < Version("3.8"):
837         return "no (Mercurial 3.8+ required)"
839     ext_enabled = False
840     mode_disabled = False
842     for k in ("extensions.fsmonitor", "extensions.hgext.fsmonitor"):
843         if k in hg_config and hg_config[k] != "!":
844             ext_enabled = True
846     mode_disabled = hg_config.get("fsmonitor.mode") == "off"
848     if not ext_enabled:
849         return "no (fsmonitor extension not enabled)"
850     if mode_disabled:
851         return "no (fsmonitor.mode=off disables fsmonitor)"
853     return True
856 # Miscellaneous programs
857 # ==============================================================
858 check_prog("XARGS", ("xargs",))
861 @depends(target)
862 def extra_programs(target):
863     if target.kernel == "Darwin":
864         return namespace(
865             DSYMUTIL=("dsymutil", "llvm-dsymutil"),
866             MKFSHFS=("newfs_hfs", "mkfs.hfsplus"),
867             HFS_TOOL=("hfsplus",),
868         )
869     if target.os == "GNU" and target.kernel == "Linux":
870         return namespace(RPMBUILD=("rpmbuild",))
873 check_prog("DSYMUTIL", extra_programs.DSYMUTIL, allow_missing=True)
874 check_prog("MKFSHFS", extra_programs.MKFSHFS, allow_missing=True)
875 check_prog("HFS_TOOL", extra_programs.HFS_TOOL, allow_missing=True)
876 check_prog("RPMBUILD", extra_programs.RPMBUILD, allow_missing=True)
879 @depends(target)
880 @imports("os")
881 def makensis_progs(target):
882     if target.kernel != "WINNT":
883         return
885     candidates = [
886         "makensis-3.01",
887         "makensis-3.0b3",
888         "makensis-3.0b1",
889         "makensis",
890     ]
892     # Look for nsis installed by msys environment. But only the 32-bit version.
893     # We use an absolute path and insert as the first entry so it is preferred
894     # over a 64-bit exe that may be in PATH.
895     if "MSYSTEM_PREFIX" in os.environ:
896         prefix = os.path.dirname(os.environ["MSYSTEM_PREFIX"])
897         candidates.insert(0, os.path.join(prefix, "mingw32", "bin", "makensis.exe"))
899     return tuple(candidates)
902 nsis = check_prog("MAKENSISU", makensis_progs, allow_missing=True)
904 # Make sure the version of makensis is up to date.
905 @depends(nsis, wine)
906 @checking("for NSIS version")
907 @imports("re")
908 def nsis_version(nsis, wine):
909     if not nsis:
910         return None
911     nsis_min_version = "3.0b1"
912     onerror = lambda: die("Failed to get nsis version.")
913     if wine and nsis.lower().endswith(".exe"):
914         out = check_cmd_output(wine, nsis, "-version", onerror=onerror)
915     else:
916         out = check_cmd_output(nsis, "-version", onerror=onerror)
918     m = re.search(r"(?<=v)[0-9]+\.[0-9]+((a|b|rc)[0-9]+)?", out)
920     if not m:
921         raise FatalCheckError("Unknown version of makensis")
922     ver = Version(m.group(0))
924     # Versions comparisons don't quite work well with beta versions, so ensure
925     # it works for the non-beta version.
926     if ver < nsis_min_version and (ver >= "3.0a" or ver < "3"):
927         raise FatalCheckError(
928             "To build the installer you must have NSIS"
929             " version %s or greater in your path" % nsis_min_version
930         )
932     return ver
935 # And that makensis is 32-bit (but only on Windows).
936 @depends_if(nsis, when=depends(host)(lambda h: h.kernel == "WINNT"))
937 @checking("for 32-bit NSIS")
938 def nsis_binary_type(nsis):
939     bin_type = windows_binary_type(nsis)
940     if bin_type != "win32":
941         raise FatalCheckError("%s is not a 32-bit Windows application" % nsis)
943     return "yes"
946 # And any flags we have to give to makensis
947 @depends(host)
948 def nsis_flags(host):
949     if host.kernel != "WINNT":
950         return "-nocd"
951     return ""
954 set_config("MAKENSISU_FLAGS", nsis_flags)
956 check_prog("7Z", ("7z", "7za"), allow_missing=True, when=target_is_windows)
957 check_prog("UPX", ("upx",), allow_missing=True, when=target_is_windows)
960 @depends(host_c_compiler, c_compiler, bindgen_config_paths)
961 def llvm_objdump(host_c_compiler, c_compiler, bindgen_config_paths):
962     clang = None
963     for compiler in (host_c_compiler, c_compiler):
964         if compiler and compiler.type == "clang":
965             clang = compiler.compiler
966             break
967         elif compiler and compiler.type == "clang-cl":
968             clang = os.path.join(os.path.dirname(compiler.compiler), "clang")
969             break
971     if not clang and bindgen_config_paths:
972         clang = bindgen_config_paths.clang_path
973     llvm_objdump = "llvm-objdump"
974     if clang:
975         out = check_cmd_output(
976             clang, "--print-prog-name=llvm-objdump", onerror=lambda: None
977         )
978         if out:
979             llvm_objdump = out.rstrip()
980     return (llvm_objdump,)
983 llvm_objdump = check_prog(
984     "LLVM_OBJDUMP",
985     llvm_objdump,
986     what="llvm-objdump",
987     when="--enable-compile-environment",
988     paths=clang_search_path,
991 add_old_configure_assignment("LLVM_OBJDUMP", llvm_objdump)
994 option("--enable-dtrace", help="Build with dtrace support")
996 dtrace = check_header(
997     "sys/sdt.h",
998     when="--enable-dtrace",
999     onerror=lambda: die("dtrace enabled but sys/sdt.h not found"),
1002 set_config("HAVE_DTRACE", True, when=dtrace)
1003 set_define("INCLUDE_MOZILLA_DTRACE", True, when=dtrace)
1004 add_old_configure_assignment("enable_dtrace", "yes", when=dtrace)
1007 option("--disable-icf", help="Disable Identical Code Folding")
1009 add_old_configure_assignment(
1010     "MOZ_DISABLE_ICF", "1", when=depends("--enable-icf")(lambda x: not x)
1014 option(
1015     "--enable-strip",
1016     when=compile_environment,
1017     help="Enable stripping of libs & executables",
1020 # This should be handled as a `when` once bug 1617793 is fixed.
1021 @depends("--enable-strip", c_compiler, when=compile_environment)
1022 def enable_strip(strip, c_compiler):
1023     if strip and c_compiler.type != "clang-cl":
1024         return True
1027 set_config("ENABLE_STRIP", enable_strip)
1029 option(
1030     "--disable-install-strip",
1031     when=compile_environment,
1032     help="Enable stripping of libs & executables when packaging",
1035 # This should be handled as a `when` once bug 1617793 is fixed.
1036 @depends("--enable-install-strip", c_compiler, when=compile_environment)
1037 def enable_install_strip(strip, c_compiler):
1038     if strip and c_compiler.type != "clang-cl":
1039         return True
1042 set_config("PKG_STRIP", enable_install_strip)
1045 @depends("--enable-strip", "--enable-install-strip", when=compile_environment)
1046 def strip(strip, install_strip):
1047     return strip or install_strip
1050 option(env="STRIP_FLAGS", nargs=1, when=strip, help="Flags for the strip command")
1053 @depends("STRIP_FLAGS", profiling, target, when=strip)
1054 def strip_flags(flags, profiling, target):
1055     if flags:
1056         return flags[0].split()
1057     if profiling:
1058         # Only strip debug info and symbols when profiling is enabled, keeping
1059         # local symbols.
1060         if target.kernel == "Darwin":
1061             return ["-S"]
1062         elif target.os == "Android":
1063             # The tooling we use with Android supports detached symbols, and the
1064             # size increase caused by local symbols are too much for mobile. So,
1065             # don't restrict the amount of stripping with a flag.
1066             return
1067         else:
1068             return ["--strip-debug"]
1069     # Otherwise strip everything we can, which happens without flags on non-Darwin.
1070     # On Darwin, it tries to strip things it can't, so we need to limit its scope.
1071     elif target.kernel == "Darwin":
1072         return ["-x", "-S"]
1075 set_config("STRIP_FLAGS", strip_flags)
1078 @depends(js_standalone, target)
1079 def system_zlib_default(js_standalone, target):
1080     return js_standalone and target.kernel != "WINNT"
1083 option(
1084     "--with-system-zlib",
1085     nargs="?",
1086     default=system_zlib_default,
1087     help="{Use|Do not use} system libz",
1091 @depends("--with-system-zlib")
1092 def deprecated_system_zlib_path(value):
1093     if len(value) == 1:
1094         die(
1095             "--with-system-zlib=PATH is not supported anymore. Please use "
1096             "--with-system-zlib and set any necessary pkg-config environment variable."
1097         )
1100 pkg_check_modules("MOZ_ZLIB", "zlib >= 1.2.3", when="--with-system-zlib")
1102 set_config("MOZ_SYSTEM_ZLIB", True, when="--with-system-zlib")
1103 add_old_configure_assignment("MOZ_SYSTEM_ZLIB", True, when="--with-system-zlib")
1106 # Please do not add configure checks from here on.
1108 # Fallthrough to autoconf-based configure
1109 include("build/moz.configure/old.configure")
1111 # JS Subconfigure.
1112 include("js/sub.configure", when=compile_environment & toolkit)
1115 @depends(check_build_environment, build_project)
1116 @imports("__sandbox__")
1117 @imports("glob")
1118 @imports(_from="os.path", _import="exists")
1119 def config_status_deps(build_env, build_project):
1121     topsrcdir = build_env.topsrcdir
1122     topobjdir = build_env.topobjdir
1124     if not topobjdir.endswith("js/src"):
1125         extra_deps = [os.path.join(topobjdir, ".mozconfig.json")]
1126     else:
1127         # mozconfig changes may impact js configure.
1128         extra_deps = [os.path.join(topobjdir[:-7], ".mozconfig.json")]
1130     confvars = os.path.join(topsrcdir, build_project, "confvars.sh")
1131     if exists(confvars):
1132         extra_deps.append(confvars)
1134     return (
1135         list(__sandbox__._all_paths)
1136         + extra_deps
1137         + [
1138             os.path.join(topsrcdir, "CLOBBER"),
1139             os.path.join(topsrcdir, "configure.in"),
1140             os.path.join(topsrcdir, "js", "src", "configure.in"),
1141             os.path.join(topsrcdir, "nsprpub", "configure"),
1142             os.path.join(topsrcdir, "config", "milestone.txt"),
1143             os.path.join(topsrcdir, "browser", "config", "version.txt"),
1144             os.path.join(topsrcdir, "browser", "config", "version_display.txt"),
1145             os.path.join(topsrcdir, "build", "build_virtualenv_packages.txt"),
1146             os.path.join(topsrcdir, "build", "common_virtualenv_packages.txt"),
1147             os.path.join(topsrcdir, "build", "mach_virtualenv_packages.txt"),
1148             os.path.join(topsrcdir, "python", "mozbuild", "mozbuild", "virtualenv.py"),
1149             os.path.join(topsrcdir, "testing", "mozbase", "packages.txt"),
1150             os.path.join(topsrcdir, "aclocal.m4"),
1151             os.path.join(topsrcdir, "old-configure.in"),
1152             os.path.join(topsrcdir, "js", "src", "aclocal.m4"),
1153             os.path.join(topsrcdir, "js", "src", "old-configure.in"),
1154         ]
1155         + glob.glob(os.path.join(topsrcdir, "build", "autoconf", "*.m4"))
1156     )
1159 set_config("CONFIG_STATUS_DEPS", config_status_deps)
1160 # Please do not add anything after setting config_dep_paths.