Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1002 insertions, 0 deletions

diff --git a/moz.configure b/moz.configure
new file mode 100755
index 0000000000..79d5c269a4
--- /dev/null
+++ b/moz.configure
@@ -0,0 +1,1002 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+include("build/moz.configure/init.configure")
+
+# Note:
+# - Gecko-specific options and rules should go in toolkit/moz.configure.
+# - Firefox-specific options and rules should go in browser/moz.configure.
+# - Fennec-specific options and rules should go in
+#   mobile/android/moz.configure.
+# - Spidermonkey-specific options and rules should go in js/moz.configure.
+# - etc.
+
+imply_option(
+    "--enable-artifact-build-symbols",
+    depends(artifact_builds)(lambda v: False if v is None else None),
+    reason="--disable-artifact-builds",
+)
+
+option(
+    "--enable-artifact-build-symbols",
+    nargs="?",
+    choices=("full",),
+    help="Download symbols when artifact builds are enabled.",
+)
+
+
+@depends("--enable-artifact-build-symbols", "MOZ_AUTOMATION", target)
+def enable_artifact_build_symbols(value, automation, target):
+    if len(value):
+        return value[0]
+    if bool(value):
+        if target.os == "Android" and not automation:
+            return "full"
+        return True
+    return None
+
+
+set_config("MOZ_ARTIFACT_BUILD_SYMBOLS", enable_artifact_build_symbols)
+
+
+@depends("--enable-artifact-builds")
+def imply_disable_compile_environment(value):
+    if value:
+        return False
+
+
+option(
+    env="MOZ_COPY_PDBS",
+    help="For builds that do not support symbols in the normal fashion,"
+    " generate and copy them into the resulting build archive.",
+)
+
+set_config("MOZ_COPY_PDBS", depends_if("MOZ_COPY_PDBS")(lambda _: True))
+
+imply_option("--enable-compile-environment", imply_disable_compile_environment)
+
+option("--disable-compile-environment", help="Disable compiler/library checks")
+
+
+@depends("--disable-compile-environment")
+def compile_environment(compile_env):
+    if compile_env:
+        return True
+
+
+set_config("COMPILE_ENVIRONMENT", compile_environment)
+add_old_configure_assignment("COMPILE_ENVIRONMENT", compile_environment)
+
+option("--disable-tests", help="Do not build test libraries & programs")
+
+
+@depends("--disable-tests")
+def enable_tests(value):
+    if value:
+        return True
+
+
+set_config("ENABLE_TESTS", enable_tests)
+set_define("ENABLE_TESTS", enable_tests)
+
+
+@depends(enable_tests)
+def gtest_has_rtti(value):
+    if value:
+        return "0"
+
+
+set_define("GTEST_HAS_RTTI", gtest_has_rtti)
+
+
+@depends(target, enable_tests)
+def linux_gtest_defines(target, enable_tests):
+    if enable_tests and target.os == "Android":
+        return namespace(os_linux_android=True, use_own_tr1_tuple=True, has_clone="0")
+
+
+set_define("GTEST_OS_LINUX_ANDROID", linux_gtest_defines.os_linux_android)
+set_define("GTEST_USE_OWN_TR1_TUPLE", linux_gtest_defines.use_own_tr1_tuple)
+set_define("GTEST_HAS_CLONE", linux_gtest_defines.has_clone)
+
+option(
+    "--enable-debug",
+    nargs="?",
+    help="Enable building with developer debug info "
+    "(using the given compiler flags).",
+)
+
+
+@depends("--enable-debug")
+def moz_debug(debug):
+    if debug:
+        return bool(debug)
+
+
+set_config("MOZ_DEBUG", moz_debug)
+set_define("MOZ_DEBUG", moz_debug)
+# Override any value MOZ_DEBUG may have from the environment when passing it
+# down to old-configure.
+add_old_configure_assignment("MOZ_DEBUG", depends("--enable-debug")(lambda x: bool(x)))
+
+set_config(
+    "MOZ_DIAGNOSTIC_ASSERT_ENABLED",
+    True,
+    when=moz_debug | milestone.is_early_beta_or_earlier,
+)
+set_define(
+    "MOZ_DIAGNOSTIC_ASSERT_ENABLED",
+    True,
+    when=moz_debug | milestone.is_early_beta_or_earlier,
+)
+
+option(
+    "--with-debug-label",
+    nargs="+",
+    help="Debug DEBUG_<value> for each comma-separated value given",
+)
+
+
+@depends(moz_debug, "--with-debug-label")
+def debug_defines(debug, labels):
+    if debug:
+        return ["DEBUG"] + ["DEBUG_%s" % label for label in labels]
+    return ["NDEBUG", "TRIMMED"]
+
+
+set_config("MOZ_DEBUG_DEFINES", debug_defines)
+
+option(env="MOZ_PGO", help="Build with profile guided optimizations")
+
+set_config("MOZ_PGO", depends("MOZ_PGO")(lambda x: bool(x)))
+
+
+# Imply --enable-release when MOZILLA_OFFICIAL is set rather than adjusting the
+# default so that we can't have both MOZILLA_OFFICIAL and --disable-release set.
+imply_option("--enable-release", mozilla_official)
+
+option(
+    "--enable-release",
+    default=milestone.is_release_or_beta | depends("MOZ_AUTOMATION")(lambda x: bool(x)),
+    help="{Build|Do not build} with more conservative, release "
+    "engineering-oriented options.{ This may slow down builds.|}",
+)
+
+
+@depends("--enable-release")
+def developer_options(value):
+    if not value:
+        return True
+
+
+add_old_configure_assignment("DEVELOPER_OPTIONS", developer_options)
+set_config("DEVELOPER_OPTIONS", developer_options)
+
+
+# hybrid build handling
+# ==============================================================
+
+option(
+    "--disable-unified-build",
+    help="Enable building modules in non unified context",
+)
+
+set_config("ENABLE_UNIFIED_BUILD", True, when="--disable-unified-build")
+
+
+include("build/moz.configure/bootstrap.configure")
+
+
+# The execution model of the configure sandbox doesn't allow for
+# check_prog to use bootstrap_search_path directly because check_prog
+# comes first, so we use a trick to allow it. Uses of check_prog
+# happening before here won't allow bootstrap.
+@template
+def check_prog(*args, **kwargs):
+    kwargs["bootstrap_search_path"] = bootstrap_search_path
+    return check_prog(*args, **kwargs)
+
+
+check_prog("WGET", ("wget",), allow_missing=True)
+
+
+include("build/moz.configure/toolchain.configure", when="--enable-compile-environment")
+
+include("build/moz.configure/pkg.configure")
+include("build/moz.configure/memory.configure", when="--enable-compile-environment")
+include("build/moz.configure/headers.configure", when="--enable-compile-environment")
+include("build/moz.configure/warnings.configure", when="--enable-compile-environment")
+include("build/moz.configure/flags.configure", when="--enable-compile-environment")
+include("build/moz.configure/lto-pgo.configure", when="--enable-compile-environment")
+# rust.configure is included by js/moz.configure.
+
+option("--enable-valgrind", help="Enable Valgrind integration hooks")
+
+valgrind_h = check_header("valgrind/valgrind.h", when="--enable-valgrind")
+
+
+@depends("--enable-valgrind", valgrind_h)
+def check_valgrind(valgrind, valgrind_h):
+    if valgrind:
+        if not valgrind_h:
+            die("--enable-valgrind specified but Valgrind is not installed")
+        return True
+
+
+set_define("MOZ_VALGRIND", check_valgrind)
+set_config("MOZ_VALGRIND", check_valgrind)
+
+
+@depends(target, host)
+def is_openbsd(target, host):
+    return target.kernel == "OpenBSD" or host.kernel == "OpenBSD"
+
+
+option(
+    env="SO_VERSION",
+    nargs=1,
+    default="1.0",
+    when=is_openbsd,
+    help="Shared library version for OpenBSD systems",
+)
+
+
+@depends("SO_VERSION", when=is_openbsd)
+def so_version(value):
+    return value
+
+
+@template
+def library_name_info_template(host_or_target):
+    assert host_or_target in {host, target}
+    windows_abi = {
+        host: host_windows_abi,
+        target: target_windows_abi,
+    }[host_or_target]
+
+    @depends(host_or_target, host_or_target.abi | windows_abi, so_version)
+    def library_name_info_impl(host_or_target, windows_abi, so_version):
+        if host_or_target.kernel == "WINNT":
+            # There aren't artifacts for mingw builds, so it's OK that the
+            # results are inaccurate in that case.
+            if windows_abi and windows_abi != "msvc":
+                return namespace(
+                    dll=namespace(prefix="", suffix=".dll"),
+                    lib=namespace(prefix="lib", suffix="a"),
+                    import_lib=namespace(prefix="lib", suffix="a"),
+                    obj=namespace(prefix="", suffix="o"),
+                )
+
+            return namespace(
+                dll=namespace(prefix="", suffix=".dll"),
+                lib=namespace(prefix="", suffix="lib"),
+                import_lib=namespace(prefix="", suffix="lib"),
+                obj=namespace(prefix="", suffix="obj"),
+            )
+
+        elif host_or_target.kernel == "Darwin":
+            return namespace(
+                dll=namespace(prefix="lib", suffix=".dylib"),
+                lib=namespace(prefix="lib", suffix="a"),
+                import_lib=namespace(prefix=None, suffix=""),
+                obj=namespace(prefix="", suffix="o"),
+            )
+        elif so_version:
+            so = ".so.%s" % so_version
+        else:
+            so = ".so"
+
+        return namespace(
+            dll=namespace(prefix="lib", suffix=so),
+            lib=namespace(prefix="lib", suffix="a"),
+            import_lib=namespace(prefix=None, suffix=""),
+            obj=namespace(prefix="", suffix="o"),
+        )
+
+    return library_name_info_impl
+
+
+host_library_name_info = library_name_info_template(host)
+library_name_info = library_name_info_template(target)
+
+set_config("DLL_PREFIX", library_name_info.dll.prefix)
+set_config("DLL_SUFFIX", library_name_info.dll.suffix)
+set_config("HOST_DLL_PREFIX", host_library_name_info.dll.prefix)
+set_config("HOST_DLL_SUFFIX", host_library_name_info.dll.suffix)
+set_config("LIB_PREFIX", library_name_info.lib.prefix)
+set_config("LIB_SUFFIX", library_name_info.lib.suffix)
+set_config("OBJ_SUFFIX", library_name_info.obj.suffix)
+# Lots of compilation tests depend on this variable being present.
+add_old_configure_assignment("OBJ_SUFFIX", library_name_info.obj.suffix)
+set_config("IMPORT_LIB_SUFFIX", library_name_info.import_lib.suffix)
+set_define(
+    "MOZ_DLL_PREFIX", depends(library_name_info.dll.prefix)(lambda s: '"%s"' % s)
+)
+set_define(
+    "MOZ_DLL_SUFFIX", depends(library_name_info.dll.suffix)(lambda s: '"%s"' % s)
+)
+set_config("HOST_LIB_PREFIX", host_library_name_info.lib.prefix)
+set_config("HOST_IMPORT_LIB_SUFFIX", host_library_name_info.import_lib.suffix)
+set_config("WASM_OBJ_SUFFIX", "wasm")
+
+
+@template
+def llvm_tool(name):
+    @depends(host_c_compiler, c_compiler, bindgen_config_paths)
+    def llvm_tool(host_c_compiler, c_compiler, bindgen_config_paths):
+        clang = None
+        for compiler in (host_c_compiler, c_compiler):
+            if compiler and compiler.type == "clang":
+                clang = compiler.compiler
+                break
+            elif compiler and compiler.type == "clang-cl":
+                clang = os.path.join(os.path.dirname(compiler.compiler), "clang")
+                break
+
+        if not clang and bindgen_config_paths:
+            clang = bindgen_config_paths.clang_path
+        tool = name
+        if clang:
+            out = check_cmd_output(
+                clang, "--print-prog-name=%s" % tool, onerror=lambda: None
+            )
+            if out:
+                tool = out.rstrip()
+        return (tool,)
+
+    return llvm_tool
+
+
+@template
+def plain_llvm_or_prefixed(name, llvm_name=None):
+    # look for a tool, using the following alternatives, in that order:
+    # 1. llvm-${llvm_name}, or llvm-${name} if ${llvm_name} is not provided
+    # 2. ${toolchain_prefix}${name}
+    # 3. ${name}
+
+    @depends(llvm_tool("llvm-{}".format(llvm_name or name)), toolchain_prefix)
+    def plain_llvm_or_prefixed(llvm_tool, toolchain_prefix):
+        commands = [llvm_tool[0], name]
+        for prefix in toolchain_prefix or ():
+            commands.insert(1, f"{prefix}{name}")
+        return tuple(commands)
+
+    return plain_llvm_or_prefixed
+
+
+llvm_objdump = check_prog(
+    "LLVM_OBJDUMP",
+    llvm_tool("llvm-objdump"),
+    what="llvm-objdump",
+    when="--enable-compile-environment",
+    paths=clang_search_path,
+)
+
+add_old_configure_assignment("LLVM_OBJDUMP", llvm_objdump)
+
+
+def validate_readelf(path):
+    # llvm-readelf from llvm < 8 doesn't support the GNU binutils-compatible `-d`
+    # flag. We could try running `$path -d $some_binary` but we might be cross
+    # compiling and not have a binary at hand to run that against. `$path -d` alone
+    # would fail whether the flag is supported or not. So we resort to look for the
+    # option in the `--help` output, which fortunately, s compatible between
+    # llvm-readelf and readelf.
+    retcode, stdout, stderr = get_cmd_output(path, "--help")
+    return retcode == 0 and any(l.startswith("  -d ") for l in stdout.splitlines())
+
+
+@depends("--enable-compile-environment", target, host)
+def readelf_when(compile_env, target, host):
+    return compile_env and any(
+        x.kernel not in ("Darwin", "WINNT") for x in (target, host)
+    )
+
+
+readelf = check_prog(
+    "READELF",
+    plain_llvm_or_prefixed("readelf"),
+    when=readelf_when,
+    paths=clang_search_path,
+    validate=validate_readelf,
+)
+
+
+def validate_objcopy(path):
+    if "llvm-objcopy" not in path:
+        return True
+    # llvm-objcopy doesn't support --only-keep-debug before llvm 9.0.
+    retcode, stdout, stderr = get_cmd_output(path, "--help")
+    return retcode == 0 and any(
+        l.startswith("  --only-keep-debug ") for l in stdout.splitlines()
+    )
+
+
+check_prog(
+    "OBJCOPY",
+    plain_llvm_or_prefixed("objcopy"),
+    when=readelf_when,
+    paths=clang_search_path,
+    validate=validate_objcopy,
+)
+
+
+# Make `profiling` available to this file even when js/moz.configure
+# doesn't end up included.
+profiling = dependable(False)
+# Same for js_standalone
+js_standalone = dependable(False)
+js_shared = dependable(False)
+moz_linker = dependable(False)
+# Same for fold_libs
+fold_libs = dependable(False)
+# And dmd
+dmd = dependable(False)
+
+include(include_project_configure)
+
+
+@depends("--help")
+@imports(_from="mozbuild.backend", _import="backends")
+def build_backends_choices(_):
+    return tuple(backends)
+
+
+@deprecated_option("--enable-build-backend", nargs="+", choices=build_backends_choices)
+def build_backend(backends):
+    if backends:
+        return tuple("+%s" % b for b in backends)
+
+
+imply_option("--build-backends", build_backend)
+
+
+@depends(
+    host,
+    target,
+    "--enable-artifact-builds",
+    "--disable-compile-environment",
+    "--enable-project",
+    "--enable-application",
+    "--help",
+)
+@imports("sys")
+def build_backend_defaults(
+    host,
+    target,
+    artifact_builds,
+    compile_environment,
+    project,
+    application,
+    _,
+):
+    if application:
+        project = application[0]
+    elif project:
+        project = project[0]
+
+    if artifact_builds:
+        all_backends = ["FasterMake+RecursiveMake"]
+    else:
+        all_backends = ["RecursiveMake", "FasterMake"]
+    if (
+        host.os == "WINNT"
+        and target.os == "WINNT"
+        and compile_environment
+        and project not in ("mobile/android", "memory", "tools/update-programs")
+    ):
+        all_backends.append("VisualStudio")
+    if compile_environment and project not in ("memory", "tools/update-programs"):
+        all_backends.append("Clangd")
+    return tuple(all_backends) or None
+
+
+option(
+    "--build-backends",
+    nargs="+",
+    default=build_backend_defaults,
+    choices=build_backends_choices,
+    help="Build backends to generate",
+)
+
+
+@depends("--build-backends")
+def build_backends(backends):
+    return backends
+
+
+set_config("BUILD_BACKENDS", build_backends)
+
+
+# Determine whether to build the gtest xul. This happens in automation
+# on Android and Desktop platforms with the exception of:
+#  - Windows PGO, where linking xul-gtest.dll takes too long;
+#  - Android other than x86_64, where gtest is not required.
+@depends(
+    build_project,
+    target,
+    "MOZ_AUTOMATION",
+    enable_tests,
+    when="--enable-compile-environment",
+)
+def build_gtest(build_project, target, automation, enable_tests):
+    return bool(
+        enable_tests
+        and automation
+        and build_project in ("browser", "comm/mail", "mobile/android")
+        and not (target.os == "Android" and target.cpu != "x86_64")
+    )
+
+
+option(
+    "--enable-gtest-in-build",
+    default=build_gtest,
+    help="{Enable|Force disable} building the gtest libxul during the build.",
+    when="--enable-compile-environment",
+)
+
+set_config("LINK_GTEST_DURING_COMPILE", True, when="--enable-gtest-in-build")
+
+# Localization
+# ==============================================================
+option(
+    "--enable-ui-locale",
+    default="en-US",
+    help="Select the user interface locale (default: en-US)",
+)
+
+set_config("MOZ_UI_LOCALE", depends("--enable-ui-locale")(lambda x: x))
+
+option(
+    "--disable-icu4x",
+    help="Disable using ICU4X",
+)
+
+set_config("MOZ_ICU4X", True, when="--enable-icu4x")
+set_define("MOZ_ICU4X", True, when="--enable-icu4x")
+
+# clang-plugin location
+# ==============================================================
+
+
+@depends(host_library_name_info, build_environment, when="--enable-clang-plugin")
+def clang_plugin_path(library_name_info, build_env):
+    topobjdir = build_env.topobjdir
+    if topobjdir.endswith("/js/src"):
+        topobjdir = topobjdir[:-7]
+    return os.path.abspath(
+        os.path.join(
+            topobjdir,
+            "build",
+            "clang-plugin",
+            "%sclang-plugin%s"
+            % (library_name_info.dll.prefix, library_name_info.dll.suffix),
+        )
+    )
+
+
+set_config("CLANG_PLUGIN", clang_plugin_path)
+add_old_configure_assignment("CLANG_PLUGIN", clang_plugin_path)
+
+
+# Awk detection
+# ==============================================================
+awk = check_prog("AWK", ("gawk", "mawk", "nawk", "awk"), paths=prefer_mozillabuild_path)
+
+# Until the AWK variable is not necessary in old-configure
+
+
+@depends(awk)
+def awk_for_old_configure(value):
+    return value
+
+
+add_old_configure_assignment("AWK", awk_for_old_configure)
+
+
+# GNU make detection
+# ==============================================================
+option(env="MAKE", nargs=1, help="Path to GNU make")
+
+
+@depends("MAKE", host)
+def possible_makes(make, host):
+    candidates = []
+    if make:
+        candidates.append(make[0])
+    if host.kernel == "WINNT":
+        candidates.extend(("mozmake", "mingw32-make", "make", "gmake"))
+    else:
+        candidates.extend(("gmake", "make"))
+    return candidates
+
+
+check_prog("GMAKE", possible_makes, bootstrap="mozmake")
+
+# watchman detection
+# ==============================================================
+
+option(env="WATCHMAN", nargs=1, help="Path to the watchman program")
+
+
+@depends(host, "WATCHMAN")
+@checking("for watchman", callback=lambda w: w.path if w else "not found")
+def watchman(host, prog):
+    # On Windows, `watchman` is only supported on 64-bit hosts.
+    if host.os == "WINNT" and host.cpu != "x86_64":
+        return
+
+    if not prog:
+        prog = find_program("watchman")
+
+    if not prog:
+        return
+
+    # `watchman version` will talk to the Watchman daemon service.
+    # This can hang due to permissions problems. e.g.
+    # https://github.com/facebook/watchman/issues/376. So use
+    # `watchman --version` to prevent a class of failures.
+    out = check_cmd_output(prog, "--version", onerror=lambda: None)
+    if out is None:
+        return
+
+    return namespace(path=prog, version=Version(out.strip()))
+
+
+@depends_if(watchman)
+@checking("for watchman version")
+def watchman_version(w):
+    return w.version
+
+
+set_config("WATCHMAN", watchman.path)
+
+
+@depends_all(hg_version, hg_config, watchman)
+@checking("for watchman Mercurial integration")
+@imports("os")
+def watchman_hg(hg_version, hg_config, watchman):
+    if hg_version < Version("3.8"):
+        return "no (Mercurial 3.8+ required)"
+
+    ext_enabled = False
+    mode_disabled = False
+
+    for k in ("extensions.fsmonitor", "extensions.hgext.fsmonitor"):
+        if k in hg_config and hg_config[k] != "!":
+            ext_enabled = True
+
+    mode_disabled = hg_config.get("fsmonitor.mode") == "off"
+
+    if not ext_enabled:
+        return "no (fsmonitor extension not enabled)"
+    if mode_disabled:
+        return "no (fsmonitor.mode=off disables fsmonitor)"
+
+    return True
+
+
+# Miscellaneous programs
+# ==============================================================
+check_prog("XARGS", ("xargs",))
+
+
+@depends(target)
+def extra_programs(target):
+    if target.kernel == "Darwin":
+        return namespace(
+            MKFSHFS=("newfs_hfs", "mkfs.hfsplus"),
+            HFS_TOOL=("hfsplus",),
+        )
+    if target.os == "GNU" and target.kernel == "Linux":
+        return namespace(RPMBUILD=("rpmbuild",))
+
+
+check_prog("MKFSHFS", extra_programs.MKFSHFS, allow_missing=True)
+check_prog("HFS_TOOL", extra_programs.HFS_TOOL, allow_missing=True)
+check_prog("RPMBUILD", extra_programs.RPMBUILD, allow_missing=True)
+
+
+nsis = check_prog(
+    "MAKENSISU",
+    ("makensis",),
+    bootstrap="nsis/bin",
+    allow_missing=True,
+    when=target_is_windows,
+)
+
+# Make sure the version of makensis is up to date.
+
+
+@depends_if(nsis)
+@checking("for NSIS version")
+@imports("re")
+def nsis_version(nsis):
+    nsis_min_version = "3.0b1"
+
+    def onerror():
+        return die("Failed to get nsis version.")
+
+    out = check_cmd_output(nsis, "-version", onerror=onerror)
+
+    m = re.search(r"(?<=v)[0-9]+\.[0-9]+((a|b|rc)[0-9]+)?", out)
+
+    if not m:
+        raise FatalCheckError("Unknown version of makensis")
+    ver = Version(m.group(0))
+
+    # Versions comparisons don't quite work well with beta versions, so ensure
+    # it works for the non-beta version.
+    if ver < nsis_min_version and (ver >= "3.0a" or ver < "3"):
+        raise FatalCheckError(
+            "To build the installer you must have NSIS"
+            " version %s or greater in your path" % nsis_min_version
+        )
+
+    return ver
+
+
+# And that makensis is 32-bit (but only on Windows).
+@depends_if(nsis, when=depends(host)(lambda h: h.kernel == "WINNT"))
+@checking("for 32-bit NSIS")
+def nsis_binary_type(nsis):
+    bin_type = windows_binary_type(nsis)
+    if bin_type != "win32":
+        raise FatalCheckError("%s is not a 32-bit Windows application" % nsis)
+
+    return "yes"
+
+
+# And any flags we have to give to makensis
+@depends(host)
+def nsis_flags(host):
+    if host.kernel != "WINNT":
+        return "-nocd"
+    return ""
+
+
+set_config("MAKENSISU_FLAGS", nsis_flags)
+
+check_prog("7Z", ("7z", "7za"), allow_missing=True, when=target_is_windows)
+check_prog("UPX", ("upx",), allow_missing=True, when=target_is_windows)
+
+
+check_prog(
+    "DSYMUTIL",
+    llvm_tool("dsymutil"),
+    when=compile_environment & target_is_darwin,
+    paths=clang_search_path,
+)
+
+
+check_prog(
+    "OTOOL",
+    plain_llvm_or_prefixed("otool"),
+    when=compile_environment & target_is_darwin,
+    paths=clang_search_path,
+)
+
+check_prog(
+    "INSTALL_NAME_TOOL",
+    plain_llvm_or_prefixed("install_name_tool", llvm_name="install-name-tool"),
+    when=compile_environment & target_is_darwin & js_standalone,
+    paths=clang_search_path,
+)
+
+option("--enable-dtrace", help="Build with dtrace support")
+
+dtrace = check_header(
+    "sys/sdt.h",
+    when="--enable-dtrace",
+    onerror=lambda: die("dtrace enabled but sys/sdt.h not found"),
+)
+
+set_config("HAVE_DTRACE", True, when=dtrace)
+set_define("INCLUDE_MOZILLA_DTRACE", True, when=dtrace)
+add_old_configure_assignment("enable_dtrace", "yes", when=dtrace)
+
+
+option("--disable-icf", help="Disable Identical Code Folding")
+
+add_old_configure_assignment(
+    "MOZ_DISABLE_ICF", "1", when=depends("--enable-icf")(lambda x: not x)
+)
+
+
+option(
+    "--enable-strip",
+    when=compile_environment,
+    help="Enable stripping of libs & executables",
+)
+
+# This should be handled as a `when` once bug 1617793 is fixed.
+
+
+@depends("--enable-strip", c_compiler, when=compile_environment)
+def enable_strip(strip, c_compiler):
+    if strip and c_compiler.type != "clang-cl":
+        return True
+
+
+set_config("ENABLE_STRIP", enable_strip)
+
+option(
+    "--disable-install-strip",
+    when=compile_environment,
+    help="Enable stripping of libs & executables when packaging",
+)
+
+# This should be handled as a `when` once bug 1617793 is fixed.
+
+
+@depends("--enable-install-strip", c_compiler, when=compile_environment)
+def enable_install_strip(strip, c_compiler):
+    if strip and c_compiler.type != "clang-cl":
+        return True
+
+
+set_config("PKG_STRIP", enable_install_strip)
+
+
+@depends("--enable-strip", "--enable-install-strip", when=compile_environment)
+def strip(strip, install_strip):
+    return strip or install_strip
+
+
+option(env="STRIP_FLAGS", nargs=1, when=strip, help="Flags for the strip command")
+
+
+@depends("STRIP_FLAGS", profiling, target, when=strip)
+def strip_flags(flags, profiling, target):
+    if flags:
+        return flags[0].split()
+    if profiling:
+        # Only strip debug info and symbols when profiling is enabled, keeping
+        # local symbols.
+        if target.kernel == "Darwin":
+            return ["-S"]
+        elif target.os == "Android":
+            # The tooling we use with Android supports detached symbols, and the
+            # size increase caused by local symbols are too much for mobile. So,
+            # don't restrict the amount of stripping with a flag.
+            return
+        else:
+            return ["--strip-debug"]
+    # Otherwise strip everything we can, which happens without flags on non-Darwin.
+    # On Darwin, it tries to strip things it can't, so we need to limit its scope.
+    elif target.kernel == "Darwin":
+        return ["-x", "-S"]
+
+
+set_config("STRIP_FLAGS", strip_flags)
+
+
+def validate_strip(path):
+    if "llvm-strip" not in path:
+        return True
+    # llvm-strip doesn't support -S before llvm 8.0.
+    retcode, stdout, stderr = get_cmd_output(path, "--help")
+    return retcode == 0 and any(l.startswith("  -S ") for l in stdout.splitlines())
+
+
+@depends("--enable-compile-environment", target, host)
+def strip_when(compile_env, target, host):
+    return compile_env and any(x.kernel != "WINNT" for x in (target, host))
+
+
+check_prog(
+    "STRIP",
+    plain_llvm_or_prefixed("strip"),
+    when=strip_when,
+    paths=clang_search_path,
+    validate=validate_strip,
+)
+
+
+@depends(js_standalone, target)
+def system_zlib_default(js_standalone, target):
+    return (
+        js_standalone
+        and target.kernel not in ("WINNT", "Darwin")
+        and target.os != "Android"
+    )
+
+
+option(
+    "--with-system-zlib",
+    nargs="?",
+    default=system_zlib_default,
+    help="{Use|Do not use} system libz",
+)
+
+
+@depends("--with-system-zlib")
+def deprecated_system_zlib_path(value):
+    if len(value) == 1:
+        die(
+            "--with-system-zlib=PATH is not supported anymore. Please use "
+            "--with-system-zlib and set any necessary pkg-config environment variable."
+        )
+
+
+pkg_check_modules("MOZ_ZLIB", "zlib >= 1.2.3", when="--with-system-zlib")
+
+set_config("MOZ_SYSTEM_ZLIB", True, when="--with-system-zlib")
+
+
+@depends("--with-system-zlib", js_shared, moz_linker, target.os)
+def zlib_in_mozglue(system_zlib, js_shared, linker, os):
+    if not system_zlib and (js_shared or linker or os == "Android"):
+        return True
+
+
+set_config("ZLIB_IN_MOZGLUE", zlib_in_mozglue)
+set_define("ZLIB_IN_MOZGLUE", zlib_in_mozglue)
+
+
+# Please do not add configure checks from here on.
+
+# Fallthrough to autoconf-based configure
+include("build/moz.configure/old.configure")
+
+# JS Subconfigure.
+include("js/sub.configure", when=compile_environment & toolkit)
+
+
+@depends(build_environment, configure_cache)
+@imports(_import="json")
+@imports(_from="pathlib", _import="Path")
+def save_cache(build_environment, configure_cache):
+    cache_file = Path(build_environment.topobjdir) / "configure.cache"
+
+    with cache_file.open(mode="w") as fd:
+        json.dump(configure_cache, fd, indent=4)
+
+
+@depends(build_environment, build_project)
+@imports("__sandbox__")
+@imports("glob")
+@imports(_from="os.path", _import="exists")
+def config_status_deps(build_env, build_project):
+    topsrcdir = build_env.topsrcdir
+    topobjdir = build_env.topobjdir
+
+    if not topobjdir.endswith("js/src"):
+        extra_deps = [os.path.join(topobjdir, ".mozconfig.json")]
+    else:
+        # mozconfig changes may impact js configure.
+        extra_deps = [os.path.join(topobjdir[:-7], ".mozconfig.json")]
+
+    confvars = os.path.join(topsrcdir, build_project, "confvars.sh")
+    if exists(confvars):
+        extra_deps.append(confvars)
+
+    return (
+        list(__sandbox__._all_paths)
+        + extra_deps
+        + [
+            os.path.join(topsrcdir, "CLOBBER"),
+            os.path.join(topsrcdir, "configure"),
+            os.path.join(topsrcdir, "js", "src", "configure"),
+            os.path.join(topsrcdir, "nsprpub", "configure"),
+            os.path.join(topsrcdir, "config", "milestone.txt"),
+            os.path.join(topsrcdir, "browser", "config", "version.txt"),
+            os.path.join(topsrcdir, "browser", "config", "version_display.txt"),
+            os.path.join(topsrcdir, "python", "sites", "build.txt"),
+            os.path.join(topsrcdir, "python", "sites", "common.txt"),
+            os.path.join(topsrcdir, "python", "sites", "mach.txt"),
+            os.path.join(topsrcdir, "python", "mach", "mach", "site.py"),
+            os.path.join(topsrcdir, "aclocal.m4"),
+            os.path.join(topsrcdir, "old-configure.in"),
+            os.path.join(topsrcdir, "js", "src", "aclocal.m4"),
+            os.path.join(topsrcdir, "js", "src", "old-configure.in"),
+        ]
+        + glob.glob(os.path.join(topsrcdir, "build", "autoconf", "*.m4"))
+    )
+
+
+set_config("CONFIG_STATUS_DEPS", config_status_deps)
+# Please do not add anything after setting config_dep_paths.