Bug 1836072 [wpt PR 40324] - Fix scrollbar-width repaint issues on non viewports...
[gecko.git] / moz.configure
blob3a9461200d52fea59554cfc9cefc5caad644fec8
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 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",
23 option(
24     "--enable-artifact-build-symbols",
25     nargs="?",
26     choices=("full",),
27     help="Download symbols when artifact builds are enabled.",
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
42 set_config("MOZ_ARTIFACT_BUILD_SYMBOLS", enable_artifact_build_symbols)
45 @depends("--enable-artifact-builds")
46 def imply_disable_compile_environment(value):
47     if value:
48         return False
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.",
57 set_config("MOZ_COPY_PDBS", depends_if("MOZ_COPY_PDBS")(lambda _: True))
59 imply_option("--enable-compile-environment", imply_disable_compile_environment)
61 option("--disable-compile-environment", help="Disable compiler/library checks")
64 @depends("--disable-compile-environment")
65 def compile_environment(compile_env):
66     if compile_env:
67         return True
70 set_config("COMPILE_ENVIRONMENT", compile_environment)
71 add_old_configure_assignment("COMPILE_ENVIRONMENT", compile_environment)
73 option("--disable-tests", help="Do not build test libraries & programs")
76 @depends("--disable-tests")
77 def enable_tests(value):
78     if value:
79         return True
82 set_config("ENABLE_TESTS", enable_tests)
83 set_define("ENABLE_TESTS", enable_tests)
86 @depends(enable_tests)
87 def gtest_has_rtti(value):
88     if value:
89         return "0"
92 set_define("GTEST_HAS_RTTI", gtest_has_rtti)
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")
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)
105 option(
106     "--enable-debug",
107     nargs="?",
108     help="Enable building with developer debug info "
109     "(using the given compiler flags).",
113 @depends("--enable-debug")
114 def moz_debug(debug):
115     if debug:
116         return bool(debug)
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)))
125 set_config(
126     "MOZ_DIAGNOSTIC_ASSERT_ENABLED",
127     True,
128     when=moz_debug | milestone.is_early_beta_or_earlier,
130 set_define(
131     "MOZ_DIAGNOSTIC_ASSERT_ENABLED",
132     True,
133     when=moz_debug | milestone.is_early_beta_or_earlier,
136 option(
137     "--with-debug-label",
138     nargs="+",
139     help="Debug DEBUG_<value> for each comma-separated value given",
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"]
150 set_config("MOZ_DEBUG_DEFINES", debug_defines)
152 option(env="MOZ_PGO", help="Build with profile guided optimizations")
154 set_config("MOZ_PGO", depends("MOZ_PGO")(lambda x: bool(x)))
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)
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.|}",
169 @depends("--enable-release")
170 def developer_options(value):
171     if not value:
172         return True
175 add_old_configure_assignment("DEVELOPER_OPTIONS", developer_options)
176 set_config("DEVELOPER_OPTIONS", developer_options)
179 # hybrid build handling
180 # ==============================================================
182 option(
183     "--disable-unified-build",
184     help="Enable building modules in non unified context",
187 set_config("ENABLE_UNIFIED_BUILD", True, when="--disable-unified-build")
190 include("build/moz.configure/bootstrap.configure")
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)
203 check_prog("WGET", ("wget",), allow_missing=True)
206 include("build/moz.configure/toolchain.configure", when="--enable-compile-environment")
208 include("build/moz.configure/pkg.configure")
209 include("build/moz.configure/memory.configure", when="--enable-compile-environment")
210 include("build/moz.configure/headers.configure", when="--enable-compile-environment")
211 include("build/moz.configure/warnings.configure", when="--enable-compile-environment")
212 include("build/moz.configure/flags.configure", when="--enable-compile-environment")
213 include("build/moz.configure/lto-pgo.configure", when="--enable-compile-environment")
214 # rust.configure is included by js/moz.configure.
216 option("--enable-valgrind", help="Enable Valgrind integration hooks")
218 valgrind_h = check_header("valgrind/valgrind.h", when="--enable-valgrind")
221 @depends("--enable-valgrind", valgrind_h)
222 def check_valgrind(valgrind, valgrind_h):
223     if valgrind:
224         if not valgrind_h:
225             die("--enable-valgrind specified but Valgrind is not installed")
226         return True
229 set_define("MOZ_VALGRIND", check_valgrind)
230 set_config("MOZ_VALGRIND", check_valgrind)
233 @depends(target, host)
234 def is_openbsd(target, host):
235     return target.kernel == "OpenBSD" or host.kernel == "OpenBSD"
238 option(
239     env="SO_VERSION",
240     nargs=1,
241     default="1.0",
242     when=is_openbsd,
243     help="Shared library version for OpenBSD systems",
247 @depends("SO_VERSION", when=is_openbsd)
248 def so_version(value):
249     return value
252 @template
253 def library_name_info_template(host_or_target):
254     assert host_or_target in {host, target}
255     windows_abi = {
256         host: host_windows_abi,
257         target: target_windows_abi,
258     }[host_or_target]
260     @depends(host_or_target, host_or_target.abi | windows_abi, so_version)
261     def library_name_info_impl(host_or_target, windows_abi, so_version):
262         if host_or_target.kernel == "WINNT":
263             # There aren't artifacts for mingw builds, so it's OK that the
264             # results are inaccurate in that case.
265             if windows_abi and windows_abi != "msvc":
266                 return namespace(
267                     dll=namespace(prefix="", suffix=".dll"),
268                     lib=namespace(prefix="lib", suffix="a"),
269                     import_lib=namespace(prefix="lib", suffix="a"),
270                     obj=namespace(prefix="", suffix="o"),
271                 )
273             return namespace(
274                 dll=namespace(prefix="", suffix=".dll"),
275                 lib=namespace(prefix="", suffix="lib"),
276                 import_lib=namespace(prefix="", suffix="lib"),
277                 obj=namespace(prefix="", suffix="obj"),
278             )
280         elif host_or_target.kernel == "Darwin":
281             return namespace(
282                 dll=namespace(prefix="lib", suffix=".dylib"),
283                 lib=namespace(prefix="lib", suffix="a"),
284                 import_lib=namespace(prefix=None, suffix=""),
285                 obj=namespace(prefix="", suffix="o"),
286             )
287         elif so_version:
288             so = ".so.%s" % so_version
289         else:
290             so = ".so"
292         return namespace(
293             dll=namespace(prefix="lib", suffix=so),
294             lib=namespace(prefix="lib", suffix="a"),
295             import_lib=namespace(prefix=None, suffix=""),
296             obj=namespace(prefix="", suffix="o"),
297         )
299     return library_name_info_impl
302 host_library_name_info = library_name_info_template(host)
303 library_name_info = library_name_info_template(target)
305 set_config("DLL_PREFIX", library_name_info.dll.prefix)
306 set_config("DLL_SUFFIX", library_name_info.dll.suffix)
307 set_config("HOST_DLL_PREFIX", host_library_name_info.dll.prefix)
308 set_config("HOST_DLL_SUFFIX", host_library_name_info.dll.suffix)
309 set_config("LIB_PREFIX", library_name_info.lib.prefix)
310 set_config("LIB_SUFFIX", library_name_info.lib.suffix)
311 set_config("OBJ_SUFFIX", library_name_info.obj.suffix)
312 # Lots of compilation tests depend on this variable being present.
313 add_old_configure_assignment("OBJ_SUFFIX", library_name_info.obj.suffix)
314 set_config("IMPORT_LIB_SUFFIX", library_name_info.import_lib.suffix)
315 set_define(
316     "MOZ_DLL_PREFIX", depends(library_name_info.dll.prefix)(lambda s: '"%s"' % s)
318 set_define(
319     "MOZ_DLL_SUFFIX", depends(library_name_info.dll.suffix)(lambda s: '"%s"' % s)
321 set_config("HOST_LIB_PREFIX", host_library_name_info.lib.prefix)
322 set_config("HOST_IMPORT_LIB_SUFFIX", host_library_name_info.import_lib.suffix)
323 set_config("WASM_OBJ_SUFFIX", "wasm")
325 # Make `profiling` available to this file even when js/moz.configure
326 # doesn't end up included.
327 profiling = dependable(False)
328 # Same for js_standalone
329 js_standalone = dependable(False)
330 js_shared = dependable(False)
331 moz_linker = dependable(False)
332 # Same for fold_libs
333 fold_libs = dependable(False)
334 # And dmd
335 dmd = dependable(False)
337 include(include_project_configure)
340 @depends("--help")
341 @imports(_from="mozbuild.backend", _import="backends")
342 def build_backends_choices(_):
343     return tuple(backends)
346 @deprecated_option("--enable-build-backend", nargs="+", choices=build_backends_choices)
347 def build_backend(backends):
348     if backends:
349         return tuple("+%s" % b for b in backends)
352 imply_option("--build-backends", build_backend)
355 @depends(
356     host,
357     target,
358     "--enable-artifact-builds",
359     "--disable-compile-environment",
360     "--enable-project",
361     "--enable-application",
362     "--help",
364 @imports("sys")
365 def build_backend_defaults(
366     host,
367     target,
368     artifact_builds,
369     compile_environment,
370     project,
371     application,
372     _,
374     if application:
375         project = application[0]
376     elif project:
377         project = project[0]
379     if artifact_builds:
380         all_backends = ["FasterMake+RecursiveMake"]
381     else:
382         all_backends = ["RecursiveMake", "FasterMake"]
383     if (
384         host.os == "WINNT"
385         and target.os == "WINNT"
386         and compile_environment
387         and project not in ("mobile/android", "memory", "tools/update-programs")
388     ):
389         all_backends.append("VisualStudio")
390     if compile_environment and project not in ("memory", "tools/update-programs"):
391         all_backends.append("Clangd")
392     return tuple(all_backends) or None
395 option(
396     "--build-backends",
397     nargs="+",
398     default=build_backend_defaults,
399     choices=build_backends_choices,
400     help="Build backends to generate",
404 @depends("--build-backends")
405 def build_backends(backends):
406     return backends
409 set_config("BUILD_BACKENDS", build_backends)
412 # Determine whether to build the gtest xul. This happens in automation
413 # on Android and Desktop platforms with the exception of:
414 #  - Windows PGO, where linking xul-gtest.dll takes too long;
415 #  - Android other than x86_64, where gtest is not required.
416 @depends(
417     build_project,
418     target,
419     "MOZ_AUTOMATION",
420     enable_tests,
421     when="--enable-compile-environment",
423 def build_gtest(build_project, target, automation, enable_tests):
424     return bool(
425         enable_tests
426         and automation
427         and build_project in ("browser", "comm/mail", "mobile/android")
428         and not (target.os == "Android" and target.cpu != "x86_64")
429     )
432 option(
433     "--enable-gtest-in-build",
434     default=build_gtest,
435     help="{Enable|Force disable} building the gtest libxul during the build.",
436     when="--enable-compile-environment",
439 set_config("LINK_GTEST_DURING_COMPILE", True, when="--enable-gtest-in-build")
441 # Localization
442 # ==============================================================
443 option(
444     "--enable-ui-locale",
445     default="en-US",
446     help="Select the user interface locale (default: en-US)",
449 set_config("MOZ_UI_LOCALE", depends("--enable-ui-locale")(lambda x: x))
451 option(
452     "--enable-icu4x",
453     help="An experiment to use ICU4X instead of ICU4C. See intl/ICU4X.md",
456 set_config("MOZ_ICU4X", True, when="--enable-icu4x")
458 # clang-plugin location
459 # ==============================================================
462 @depends(host_library_name_info, build_environment, when="--enable-clang-plugin")
463 def clang_plugin_path(library_name_info, build_env):
464     topobjdir = build_env.topobjdir
465     if topobjdir.endswith("/js/src"):
466         topobjdir = topobjdir[:-7]
467     return os.path.abspath(
468         os.path.join(
469             topobjdir,
470             "build",
471             "clang-plugin",
472             "%sclang-plugin%s"
473             % (library_name_info.dll.prefix, library_name_info.dll.suffix),
474         )
475     )
478 set_config("CLANG_PLUGIN", clang_plugin_path)
479 add_old_configure_assignment("CLANG_PLUGIN", clang_plugin_path)
482 # Awk detection
483 # ==============================================================
484 awk = check_prog("AWK", ("gawk", "mawk", "nawk", "awk"), paths=prefer_mozillabuild_path)
486 # Until the AWK variable is not necessary in old-configure
489 @depends(awk)
490 def awk_for_old_configure(value):
491     return value
494 add_old_configure_assignment("AWK", awk_for_old_configure)
497 # GNU make detection
498 # ==============================================================
499 option(env="MAKE", nargs=1, help="Path to GNU make")
502 @depends("MAKE", host)
503 def possible_makes(make, host):
504     candidates = []
505     if make:
506         candidates.append(make[0])
507     if host.kernel == "WINNT":
508         candidates.extend(("mozmake", "mingw32-make", "make", "gmake"))
509     else:
510         candidates.extend(("gmake", "make"))
511     return candidates
514 check_prog("GMAKE", possible_makes, bootstrap="mozmake")
516 # watchman detection
517 # ==============================================================
519 option(env="WATCHMAN", nargs=1, help="Path to the watchman program")
522 @depends(host, "WATCHMAN")
523 @checking("for watchman", callback=lambda w: w.path if w else "not found")
524 def watchman(host, prog):
525     # On Windows, `watchman` is only supported on 64-bit hosts.
526     if host.os == "WINNT" and host.cpu != "x86_64":
527         return
529     if not prog:
530         prog = find_program("watchman")
532     if not prog:
533         return
535     # `watchman version` will talk to the Watchman daemon service.
536     # This can hang due to permissions problems. e.g.
537     # https://github.com/facebook/watchman/issues/376. So use
538     # `watchman --version` to prevent a class of failures.
539     out = check_cmd_output(prog, "--version", onerror=lambda: None)
540     if out is None:
541         return
543     return namespace(path=prog, version=Version(out.strip()))
546 @depends_if(watchman)
547 @checking("for watchman version")
548 def watchman_version(w):
549     return w.version
552 set_config("WATCHMAN", watchman.path)
555 @depends_all(hg_version, hg_config, watchman)
556 @checking("for watchman Mercurial integration")
557 @imports("os")
558 def watchman_hg(hg_version, hg_config, watchman):
559     if hg_version < Version("3.8"):
560         return "no (Mercurial 3.8+ required)"
562     ext_enabled = False
563     mode_disabled = False
565     for k in ("extensions.fsmonitor", "extensions.hgext.fsmonitor"):
566         if k in hg_config and hg_config[k] != "!":
567             ext_enabled = True
569     mode_disabled = hg_config.get("fsmonitor.mode") == "off"
571     if not ext_enabled:
572         return "no (fsmonitor extension not enabled)"
573     if mode_disabled:
574         return "no (fsmonitor.mode=off disables fsmonitor)"
576     return True
579 # Miscellaneous programs
580 # ==============================================================
581 check_prog("XARGS", ("xargs",))
584 @depends(target)
585 def extra_programs(target):
586     if target.kernel == "Darwin":
587         return namespace(
588             MKFSHFS=("newfs_hfs", "mkfs.hfsplus"),
589             HFS_TOOL=("hfsplus",),
590         )
591     if target.os == "GNU" and target.kernel == "Linux":
592         return namespace(RPMBUILD=("rpmbuild",))
595 check_prog("MKFSHFS", extra_programs.MKFSHFS, allow_missing=True)
596 check_prog("HFS_TOOL", extra_programs.HFS_TOOL, allow_missing=True)
597 check_prog("RPMBUILD", extra_programs.RPMBUILD, allow_missing=True)
600 nsis = check_prog(
601     "MAKENSISU",
602     ("makensis",),
603     bootstrap="nsis/bin",
604     allow_missing=True,
605     when=target_is_windows,
608 # Make sure the version of makensis is up to date.
611 @depends_if(nsis)
612 @checking("for NSIS version")
613 @imports("re")
614 def nsis_version(nsis):
615     nsis_min_version = "3.0b1"
617     def onerror():
618         return die("Failed to get nsis version.")
620     out = check_cmd_output(nsis, "-version", onerror=onerror)
622     m = re.search(r"(?<=v)[0-9]+\.[0-9]+((a|b|rc)[0-9]+)?", out)
624     if not m:
625         raise FatalCheckError("Unknown version of makensis")
626     ver = Version(m.group(0))
628     # Versions comparisons don't quite work well with beta versions, so ensure
629     # it works for the non-beta version.
630     if ver < nsis_min_version and (ver >= "3.0a" or ver < "3"):
631         raise FatalCheckError(
632             "To build the installer you must have NSIS"
633             " version %s or greater in your path" % nsis_min_version
634         )
636     return ver
639 # And that makensis is 32-bit (but only on Windows).
640 @depends_if(nsis, when=depends(host)(lambda h: h.kernel == "WINNT"))
641 @checking("for 32-bit NSIS")
642 def nsis_binary_type(nsis):
643     bin_type = windows_binary_type(nsis)
644     if bin_type != "win32":
645         raise FatalCheckError("%s is not a 32-bit Windows application" % nsis)
647     return "yes"
650 # And any flags we have to give to makensis
651 @depends(host)
652 def nsis_flags(host):
653     if host.kernel != "WINNT":
654         return "-nocd"
655     return ""
658 set_config("MAKENSISU_FLAGS", nsis_flags)
660 check_prog("7Z", ("7z", "7za"), allow_missing=True, when=target_is_windows)
661 check_prog("UPX", ("upx",), allow_missing=True, when=target_is_windows)
664 @template
665 def llvm_tool(name):
666     @depends(host_c_compiler, c_compiler, bindgen_config_paths)
667     def llvm_tool(host_c_compiler, c_compiler, bindgen_config_paths):
668         clang = None
669         for compiler in (host_c_compiler, c_compiler):
670             if compiler and compiler.type == "clang":
671                 clang = compiler.compiler
672                 break
673             elif compiler and compiler.type == "clang-cl":
674                 clang = os.path.join(os.path.dirname(compiler.compiler), "clang")
675                 break
677         if not clang and bindgen_config_paths:
678             clang = bindgen_config_paths.clang_path
679         tool = name
680         if clang:
681             out = check_cmd_output(
682                 clang, "--print-prog-name=%s" % tool, onerror=lambda: None
683             )
684             if out:
685                 tool = out.rstrip()
686         return (tool,)
688     return llvm_tool
691 check_prog(
692     "DSYMUTIL",
693     llvm_tool("dsymutil"),
694     when=compile_environment & target_is_darwin,
695     paths=clang_search_path,
699 @template
700 def plain_llvm_or_prefixed(name):
701     @depends(llvm_tool(f"llvm-{name}"), toolchain_prefix)
702     def plain_llvm_or_prefixed(llvm_tool, toolchain_prefix):
703         commands = [llvm_tool[0], name]
704         for prefix in toolchain_prefix or ():
705             commands.insert(1, f"{prefix}{name}")
706         return tuple(commands)
708     return plain_llvm_or_prefixed
711 check_prog(
712     "OTOOL",
713     plain_llvm_or_prefixed("otool"),
714     when=compile_environment & target_is_darwin,
715     paths=clang_search_path,
718 check_prog(
719     "INSTALL_NAME_TOOL",
720     plain_llvm_or_prefixed("install-name-tool"),
721     when=compile_environment & target_is_darwin & js_standalone,
722     paths=clang_search_path,
726 llvm_objdump = check_prog(
727     "LLVM_OBJDUMP",
728     llvm_tool("llvm-objdump"),
729     what="llvm-objdump",
730     when="--enable-compile-environment",
731     paths=clang_search_path,
734 add_old_configure_assignment("LLVM_OBJDUMP", llvm_objdump)
737 def validate_readelf(path):
738     # llvm-readelf from llvm < 8 doesn't support the GNU binutils-compatible `-d`
739     # flag. We could try running `$path -d $some_binary` but we might be cross
740     # compiling and not have a binary at hand to run that against. `$path -d` alone
741     # would fail whether the flag is supported or not. So we resort to look for the
742     # option in the `--help` output, which fortunately, s compatible between
743     # llvm-readelf and readelf.
744     retcode, stdout, stderr = get_cmd_output(path, "--help")
745     return retcode == 0 and any(l.startswith("  -d ") for l in stdout.splitlines())
748 @depends("--enable-compile-environment", target, host)
749 def readelf_when(compile_env, target, host):
750     return compile_env and any(
751         x.kernel not in ("Darwin", "WINNT") for x in (target, host)
752     )
755 check_prog(
756     "READELF",
757     plain_llvm_or_prefixed("readelf"),
758     when=readelf_when,
759     paths=clang_search_path,
760     validate=validate_readelf,
764 def validate_objcopy(path):
765     if "llvm-objcopy" not in path:
766         return True
767     # llvm-objcopy doesn't support --only-keep-debug before llvm 9.0.
768     retcode, stdout, stderr = get_cmd_output(path, "--help")
769     return retcode == 0 and any(
770         l.startswith("  --only-keep-debug ") for l in stdout.splitlines()
771     )
774 check_prog(
775     "OBJCOPY",
776     plain_llvm_or_prefixed("objcopy"),
777     when=readelf_when,
778     paths=clang_search_path,
779     validate=validate_objcopy,
782 option("--enable-dtrace", help="Build with dtrace support")
784 dtrace = check_header(
785     "sys/sdt.h",
786     when="--enable-dtrace",
787     onerror=lambda: die("dtrace enabled but sys/sdt.h not found"),
790 set_config("HAVE_DTRACE", True, when=dtrace)
791 set_define("INCLUDE_MOZILLA_DTRACE", True, when=dtrace)
792 add_old_configure_assignment("enable_dtrace", "yes", when=dtrace)
795 option("--disable-icf", help="Disable Identical Code Folding")
797 add_old_configure_assignment(
798     "MOZ_DISABLE_ICF", "1", when=depends("--enable-icf")(lambda x: not x)
802 option(
803     "--enable-strip",
804     when=compile_environment,
805     help="Enable stripping of libs & executables",
808 # This should be handled as a `when` once bug 1617793 is fixed.
811 @depends("--enable-strip", c_compiler, when=compile_environment)
812 def enable_strip(strip, c_compiler):
813     if strip and c_compiler.type != "clang-cl":
814         return True
817 set_config("ENABLE_STRIP", enable_strip)
819 option(
820     "--disable-install-strip",
821     when=compile_environment,
822     help="Enable stripping of libs & executables when packaging",
825 # This should be handled as a `when` once bug 1617793 is fixed.
828 @depends("--enable-install-strip", c_compiler, when=compile_environment)
829 def enable_install_strip(strip, c_compiler):
830     if strip and c_compiler.type != "clang-cl":
831         return True
834 set_config("PKG_STRIP", enable_install_strip)
837 @depends("--enable-strip", "--enable-install-strip", when=compile_environment)
838 def strip(strip, install_strip):
839     return strip or install_strip
842 option(env="STRIP_FLAGS", nargs=1, when=strip, help="Flags for the strip command")
845 @depends("STRIP_FLAGS", profiling, target, when=strip)
846 def strip_flags(flags, profiling, target):
847     if flags:
848         return flags[0].split()
849     if profiling:
850         # Only strip debug info and symbols when profiling is enabled, keeping
851         # local symbols.
852         if target.kernel == "Darwin":
853             return ["-S"]
854         elif target.os == "Android":
855             # The tooling we use with Android supports detached symbols, and the
856             # size increase caused by local symbols are too much for mobile. So,
857             # don't restrict the amount of stripping with a flag.
858             return
859         else:
860             return ["--strip-debug"]
861     # Otherwise strip everything we can, which happens without flags on non-Darwin.
862     # On Darwin, it tries to strip things it can't, so we need to limit its scope.
863     elif target.kernel == "Darwin":
864         return ["-x", "-S"]
867 set_config("STRIP_FLAGS", strip_flags)
870 def validate_strip(path):
871     if "llvm-strip" not in path:
872         return True
873     # llvm-strip doesn't support -S before llvm 8.0.
874     retcode, stdout, stderr = get_cmd_output(path, "--help")
875     return retcode == 0 and any(l.startswith("  -S ") for l in stdout.splitlines())
878 @depends("--enable-compile-environment", target, host)
879 def strip_when(compile_env, target, host):
880     return compile_env and any(x.kernel != "WINNT" for x in (target, host))
883 check_prog(
884     "STRIP",
885     plain_llvm_or_prefixed("strip"),
886     when=strip_when,
887     paths=clang_search_path,
888     validate=validate_strip,
892 @depends(js_standalone, target)
893 def system_zlib_default(js_standalone, target):
894     return (
895         js_standalone
896         and target.kernel not in ("WINNT", "Darwin")
897         and target.os != "Android"
898     )
901 option(
902     "--with-system-zlib",
903     nargs="?",
904     default=system_zlib_default,
905     help="{Use|Do not use} system libz",
909 @depends("--with-system-zlib")
910 def deprecated_system_zlib_path(value):
911     if len(value) == 1:
912         die(
913             "--with-system-zlib=PATH is not supported anymore. Please use "
914             "--with-system-zlib and set any necessary pkg-config environment variable."
915         )
918 pkg_check_modules("MOZ_ZLIB", "zlib >= 1.2.3", when="--with-system-zlib")
920 set_config("MOZ_SYSTEM_ZLIB", True, when="--with-system-zlib")
923 @depends("--with-system-zlib", js_shared, moz_linker, target.os)
924 def zlib_in_mozglue(system_zlib, js_shared, linker, os):
925     if not system_zlib and (js_shared or linker or os == "Android"):
926         return True
929 set_config("ZLIB_IN_MOZGLUE", zlib_in_mozglue)
930 set_define("ZLIB_IN_MOZGLUE", zlib_in_mozglue)
933 # Please do not add configure checks from here on.
935 # Fallthrough to autoconf-based configure
936 include("build/moz.configure/old.configure")
938 # JS Subconfigure.
939 include("js/sub.configure", when=compile_environment & toolkit)
942 @depends(build_environment, configure_cache)
943 @imports(_import="json")
944 @imports(_from="pathlib", _import="Path")
945 def save_cache(build_environment, configure_cache):
946     cache_file = Path(build_environment.topobjdir) / "configure.cache"
948     with cache_file.open(mode="w") as fd:
949         json.dump(configure_cache, fd, indent=4)
952 @depends(build_environment, build_project)
953 @imports("__sandbox__")
954 @imports("glob")
955 @imports(_from="os.path", _import="exists")
956 def config_status_deps(build_env, build_project):
958     topsrcdir = build_env.topsrcdir
959     topobjdir = build_env.topobjdir
961     if not topobjdir.endswith("js/src"):
962         extra_deps = [os.path.join(topobjdir, ".mozconfig.json")]
963     else:
964         # mozconfig changes may impact js configure.
965         extra_deps = [os.path.join(topobjdir[:-7], ".mozconfig.json")]
967     confvars = os.path.join(topsrcdir, build_project, "confvars.sh")
968     if exists(confvars):
969         extra_deps.append(confvars)
971     return (
972         list(__sandbox__._all_paths)
973         + extra_deps
974         + [
975             os.path.join(topsrcdir, "CLOBBER"),
976             os.path.join(topsrcdir, "configure"),
977             os.path.join(topsrcdir, "js", "src", "configure"),
978             os.path.join(topsrcdir, "nsprpub", "configure"),
979             os.path.join(topsrcdir, "config", "milestone.txt"),
980             os.path.join(topsrcdir, "browser", "config", "version.txt"),
981             os.path.join(topsrcdir, "browser", "config", "version_display.txt"),
982             os.path.join(topsrcdir, "python", "sites", "build.txt"),
983             os.path.join(topsrcdir, "python", "sites", "common.txt"),
984             os.path.join(topsrcdir, "python", "sites", "mach.txt"),
985             os.path.join(topsrcdir, "python", "mach", "mach", "site.py"),
986             os.path.join(topsrcdir, "aclocal.m4"),
987             os.path.join(topsrcdir, "old-configure.in"),
988             os.path.join(topsrcdir, "js", "src", "aclocal.m4"),
989             os.path.join(topsrcdir, "js", "src", "old-configure.in"),
990         ]
991         + glob.glob(os.path.join(topsrcdir, "build", "autoconf", "*.m4"))
992     )
995 set_config("CONFIG_STATUS_DEPS", config_status_deps)
996 # Please do not add anything after setting config_dep_paths.