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/.
8 @depends(build_project)
9 def js_standalone(build_project):
10 if build_project == "js":
15 # ==============================================================
20 help="Used for e.g. the binary program file name. If not set, "
21 "defaults to a lowercase form of MOZ_APP_BASENAME.",
25 @depends("--with-app-name", js_standalone, moz_app_basename)
26 def moz_app_name(value, js_standalone, moz_app_basename):
31 return moz_app_basename.lower()
34 set_config("MOZ_APP_NAME", moz_app_name)
36 # SmooshMonkey (new frontend)
37 # ==================================================
39 # Define here in order to use the option from bindgen.configure.
43 help="Enable SmooshMonkey (new JS engine frontend)",
47 @depends("--enable-smoosh")
48 def enable_smoosh(value):
53 set_config("JS_ENABLE_SMOOSH", enable_smoosh)
54 set_define("JS_ENABLE_SMOOSH", enable_smoosh)
56 include("../build/moz.configure/nspr.configure", when="--enable-compile-environment")
57 include("../build/moz.configure/rust.configure", when="--enable-compile-environment")
58 include("../build/moz.configure/bindgen.configure", when="--enable-compile-environment")
60 set_config("JS_STANDALONE", js_standalone)
61 set_define("JS_STANDALONE", js_standalone)
62 add_old_configure_assignment("JS_STANDALONE", js_standalone)
64 "--enable-js-shell", default=js_standalone, help="{Build|Do not build} the JS shell"
68 @depends("--enable-js-shell")
69 def js_disable_shell(value):
74 set_config("JS_DISABLE_SHELL", js_disable_shell)
76 set_define("JS_64BIT", depends(target)(lambda t: t.bitness == 64 or None))
78 set_define("JS_PUNBOX64", depends(target)(lambda t: t.bitness == 64 or None))
79 set_define("JS_NUNBOX32", depends(target)(lambda t: t.bitness == 32 or None))
82 # SpiderMonkey as a shared library, and how its symbols are exported
83 # ==================================================================
85 "--disable-shared-js",
87 help="{Create|Do not create} a shared library",
91 "--disable-export-js",
93 help="{Mark|Do not mark} JS symbols as DLL exported/visible",
97 @depends("--disable-shared-js", "--disable-export-js", when=js_standalone)
98 def shared_js(shared_js, export_js):
101 die("Must export JS symbols when building a shared library.")
105 set_config("JS_SHARED_LIBRARY", shared_js)
106 add_old_configure_assignment("JS_SHARED_LIBRARY", shared_js)
109 @depends(shared_js, "--disable-export-js", when=js_standalone)
110 def exportable_js_api(shared_js, export_js):
111 if not shared_js and export_js:
115 set_define("STATIC_EXPORTABLE_JS_API", exportable_js_api)
118 @depends(shared_js, exportable_js_api)
119 def static_js_api(shared_js, export_js):
120 if not shared_js and not export_js:
124 set_define("STATIC_JS_API", static_js_api)
128 def static_js(value):
133 set_define("MOZ_STATIC_JS", static_js)
136 option(env="NO_RUST_PANIC_HOOK", when=js_standalone, help="Disable rust panic hook")
138 set_define("NO_RUST_PANIC_HOOK", True, when="NO_RUST_PANIC_HOOK")
142 # =======================================================
144 def jit_default(target):
145 if target.cpu in ("x86", "x86_64", "arm", "aarch64", "mips32", "mips64"):
150 option("--enable-jit", default=jit_default, help="{Enable|Disable} use of the JITs")
153 @deprecated_option("--enable-ion")
154 def report_deprecated(value):
156 die("--enable-ion is deprecated, use --enable-jit instead")
158 die("--disable-ion is deprecated, use --disable-jit instead")
161 # JIT code simulator for cross compiles
162 # =======================================================
164 "--enable-simulator",
165 choices=("arm", "arm64", "mips32", "mips64"),
167 help="Enable a JIT code simulator for the specified architecture",
171 @depends("--enable-jit", "--enable-simulator", target, "--help")
172 def simulator(jit_enabled, simulator_enabled, target, _):
173 if not jit_enabled or not simulator_enabled:
176 sim_cpu = simulator_enabled[0]
178 if sim_cpu in ("arm", "mips32"):
179 if target.cpu != "x86":
180 die("The %s simulator only works on x86." % sim_cpu)
182 if sim_cpu in ("arm64", "mips64"):
183 if target.cpu != "x86_64":
184 die("The %s simulator only works on x86-64." % sim_cpu)
186 return namespace(**{sim_cpu: True})
189 set_config("JS_SIMULATOR", depends_if(simulator)(lambda x: True))
190 set_config("JS_SIMULATOR_ARM", simulator.arm)
191 set_config("JS_SIMULATOR_ARM64", simulator.arm64)
192 set_config("JS_SIMULATOR_MIPS32", simulator.mips32)
193 set_config("JS_SIMULATOR_MIPS64", simulator.mips64)
194 set_define("JS_SIMULATOR", depends_if(simulator)(lambda x: True))
195 set_define("JS_SIMULATOR_ARM", simulator.arm)
196 set_define("JS_SIMULATOR_ARM64", simulator.arm64)
197 set_define("JS_SIMULATOR_MIPS32", simulator.mips32)
198 set_define("JS_SIMULATOR_MIPS64", simulator.mips64)
201 @depends("--enable-jit", simulator, target)
202 def jit_codegen(jit_enabled, simulator, target):
204 return namespace(none=True)
209 if target.cpu == "aarch64":
210 return namespace(arm64=True)
211 elif target.cpu == "x86_64":
212 return namespace(x64=True)
214 return namespace(**{str(target.cpu): True})
217 set_config("JS_CODEGEN_NONE", jit_codegen.none)
218 set_config("JS_CODEGEN_ARM", jit_codegen.arm)
219 set_config("JS_CODEGEN_ARM64", jit_codegen.arm64)
220 set_config("JS_CODEGEN_MIPS32", jit_codegen.mips32)
221 set_config("JS_CODEGEN_MIPS64", jit_codegen.mips64)
222 set_config("JS_CODEGEN_X86", jit_codegen.x86)
223 set_config("JS_CODEGEN_X64", jit_codegen.x64)
224 set_define("JS_CODEGEN_NONE", jit_codegen.none)
225 set_define("JS_CODEGEN_ARM", jit_codegen.arm)
226 set_define("JS_CODEGEN_ARM64", jit_codegen.arm64)
227 set_define("JS_CODEGEN_MIPS32", jit_codegen.mips32)
228 set_define("JS_CODEGEN_MIPS64", jit_codegen.mips64)
229 set_define("JS_CODEGEN_X86", jit_codegen.x86)
230 set_define("JS_CODEGEN_X64", jit_codegen.x64)
233 # =======================================================
235 "--enable-instruments",
236 env="MOZ_INSTRUMENTS",
237 help="Enable instruments remote profiling",
241 @depends("--enable-instruments", target)
242 def instruments(value, target):
243 if value and target.os != "OSX":
244 die("--enable-instruments cannot be used when targeting %s", target.os)
249 set_config("MOZ_INSTRUMENTS", instruments)
250 set_define("MOZ_INSTRUMENTS", instruments)
251 add_old_configure_assignment("MOZ_INSTRUMENTS", instruments)
252 imply_option("--enable-profiling", instruments, reason="--enable-instruments")
254 option("--enable-callgrind", env="MOZ_CALLGRIND", help="Enable callgrind profiling")
257 @depends("--enable-callgrind")
258 def callgrind(value):
263 set_define("MOZ_CALLGRIND", callgrind)
264 imply_option("--enable-profiling", callgrind)
268 def enable_profiling(milestone):
269 return milestone.is_nightly
273 "--enable-profiling",
275 default=enable_profiling,
276 help="{Set|Do not set} compile flags necessary for using sampling "
277 "profilers (e.g. shark, perf)",
281 @depends("--enable-profiling")
282 def profiling(value):
287 add_old_configure_assignment("MOZ_PROFILING", profiling)
289 with only_when("--enable-compile-environment"):
290 imply_option("--enable-frame-pointers", True, when=profiling)
293 @depends(profiling, target)
294 def imply_vtune(value, target):
295 ok_cpu = target.cpu in ["x86", "x86_64"]
296 ok_kernel = target.kernel == "WINNT" or (
297 target.kernel == "Linux" and target.os == "GNU"
300 if value and ok_cpu and ok_kernel:
304 set_config("MOZ_PROFILING", profiling)
305 set_define("MOZ_PROFILING", profiling)
306 imply_option("--enable-vtune", imply_vtune, reason="--enable-profiling")
309 option("--enable-vtune", env="MOZ_VTUNE", help="Enable VTune profiling")
312 @depends("--enable-vtune")
318 set_config("MOZ_VTUNE", vtune)
319 set_define("MOZ_VTUNE", vtune)
323 "--enable-gc-probes",
325 help="Turn on probes for allocation and finalization",
329 @depends("--enable-gc-probes")
330 def gc_probes(value):
335 set_define("JS_GC_PROBES", gc_probes)
340 default=depends(when=moz_debug)(lambda: True),
341 help="{Enable|Disable} zealous GCing",
344 set_define("JS_GC_ZEAL", depends_if("--enable-gczeal")(lambda _: True))
347 # Use a smaller chunk size for GC chunks
348 # ========================================================
349 # Use large (1MB) chunks by default. This option can be used to give
350 # smaller (currently 256K) chunks.
352 "--enable-small-chunk-size",
353 help="Allocate memory for JS GC things in smaller chunks",
357 "JS_GC_SMALL_CHUNK_SIZE", depends(when="--enable-small-chunk-size")(lambda: True)
362 # =======================================================
364 def default_trace_logging(milestone):
365 return milestone.is_nightly
369 "--enable-trace-logging",
370 default=default_trace_logging,
371 help="{Enable|Disable} trace logging",
374 set_config("ENABLE_TRACE_LOGGING", depends_if("--enable-trace-logging")(lambda x: True))
375 set_define("JS_TRACE_LOGGING", depends_if("--enable-trace-logging")(lambda x: True))
378 # Enable breakpoint for artificial OOMs
379 # =======================================================
381 "--enable-oom-breakpoint", help="Enable a breakpoint function for artificial OOMs"
384 set_define("JS_OOM_BREAKPOINT", depends_if("--enable-oom-breakpoint")(lambda _: True))
387 option("--enable-perf", env="JS_ION_PERF", help="Enable Linux perf integration")
390 @depends("--enable-perf")
396 set_define("JS_ION_PERF", ion_perf)
401 default=depends(when=moz_debug)(lambda: True),
402 help="{Enable|Disable} the Jit spew and IONFLAGS environment " "variable",
405 set_define("JS_JITSPEW", depends_if("--enable-jitspew")(lambda _: True))
406 set_config("JS_JITSPEW", depends_if("--enable-jitspew")(lambda _: True))
408 # Also enable the structured spewer
409 set_define("JS_STRUCTURED_SPEW", depends_if("--enable-jitspew")(lambda _: True))
410 set_config("JS_STRUCTURED_SPEW", depends_if("--enable-jitspew")(lambda _: True))
413 @depends("--enable-jit", "--enable-jitspew", simulator, target, moz_debug)
414 def jit_disasm_arm(jit_enabled, spew, simulator, target, debug):
418 if simulator and (debug or spew):
419 if getattr(simulator, "arm", None):
422 if target.cpu == "arm" and (debug or spew):
426 set_config("JS_DISASM_ARM", jit_disasm_arm)
427 set_define("JS_DISASM_ARM", jit_disasm_arm)
430 @depends("--enable-jit", "--enable-jitspew", simulator, target, moz_debug)
431 def jit_disasm_arm64(jit_enabled, spew, simulator, target, debug):
435 if simulator and (debug or spew):
436 if getattr(simulator, "arm64", None):
439 if target.cpu == "aarch64" and (debug or spew):
443 set_config("JS_DISASM_ARM64", jit_disasm_arm64)
444 set_define("JS_DISASM_ARM64", jit_disasm_arm64)
446 # When enabled, masm will generate assumeUnreachable calls that act as
447 # assertions in the generated code. This option is worth disabling when you
448 # have to track mutated values through the generated code, to avoid constantly
449 # dumping registers on and off the stack.
451 "--enable-masm-verbose",
452 default=depends(when=moz_debug)(lambda: True),
453 help="{Enable|Disable} MacroAssembler verbosity of generated code.",
455 set_define("JS_MASM_VERBOSE", depends_if("--enable-masm-verbose")(lambda _: True))
456 set_config("JS_MASM_VERBOSE", depends_if("--enable-masm-verbose")(lambda _: True))
460 # =======================================================
461 @depends(js_standalone)
462 def ctypes_default(js_standalone):
463 return not js_standalone
466 option("--enable-ctypes", default=ctypes_default, help="{Enable|Disable} js-ctypes")
468 build_ctypes = depends_if("--enable-ctypes")(lambda _: True)
470 set_config("BUILD_CTYPES", build_ctypes)
471 set_define("BUILD_CTYPES", build_ctypes)
473 set_config("JS_HAS_CTYPES", build_ctypes)
474 set_define("JS_HAS_CTYPES", build_ctypes)
477 @depends("--enable-ctypes", "--enable-compile-environment")
478 def ctypes_and_compile_environment(ctypes, compile_environment):
479 return ctypes and compile_environment
482 include("ffi.configure", when=ctypes_and_compile_environment)
485 # Enable pipeline operator
486 # ===================================================
487 option("--enable-pipeline-operator", default=False, help="Enable pipeline operator")
490 @depends("--enable-pipeline-operator")
491 def enable_pipeline_operator(value):
496 set_config("ENABLE_PIPELINE_OPERATOR", enable_pipeline_operator)
497 set_define("ENABLE_PIPELINE_OPERATOR", enable_pipeline_operator)
500 # SIMD acceleration for encoding_rs
501 # ==============================================================
504 "--enable-rust-simd", env="MOZ_RUST_SIMD", help="Enable explicit SIMD in Rust code."
508 @depends("--enable-rust-simd", target)
509 def rust_simd(value, target):
510 # As of 2019-09-17, the simd-accel feature of encoding_rs has not
511 # been properly set up outside aarch64, armv7, x86 and x86_64.
512 if target.cpu in ("aarch64", "arm", "x86", "x86_64") and value:
516 set_config("MOZ_RUST_SIMD", rust_simd)
517 set_define("MOZ_RUST_SIMD", rust_simd)
520 # Support for wasm code generation with Cranelift
521 # ==============================================================
525 milestone.is_nightly,
527 "--enable-simulator",
531 def cranelift_default(is_nightly, jit_enabled, simulator, target, is_windows):
532 if is_nightly and jit_enabled and not is_windows:
533 if target.cpu == "aarch64":
535 if simulator and simulator[0] == "arm64":
540 "--enable-cranelift",
541 default=cranelift_default,
542 help="{Enable|Disable} Cranelift code generator for wasm",
545 set_config("ENABLE_WASM_CRANELIFT", depends_if("--enable-cranelift")(lambda x: True))
546 set_define("ENABLE_WASM_CRANELIFT", depends_if("--enable-cranelift")(lambda x: True))
548 # Telemetry to measure compile time and generated-code runtime
549 # ============================================================
552 "--enable-spidermonkey-telemetry",
553 default=milestone.is_nightly,
554 help="{Enable|Disable} performance telemetry for SpiderMonkey (e.g. compile and run times)",
558 "ENABLE_SPIDERMONKEY_TELEMETRY",
559 depends_if("--enable-spidermonkey-telemetry")(lambda x: True),
562 # Support for debugging code generated by wasm backends
563 # =====================================================
566 "--enable-wasm-codegen-debug",
567 default=depends(when=moz_debug)(lambda: True),
568 help="{Enable|Disable} debugging for wasm codegen",
572 "WASM_CODEGEN_DEBUG", depends_if("--enable-wasm-codegen-debug")(lambda x: True)
575 "WASM_CODEGEN_DEBUG", depends_if("--enable-wasm-codegen-debug")(lambda x: True)
578 # Support for WebAssembly reference types.
579 # =====================================================
581 option("--disable-wasm-reftypes", help="Disable WebAssembly reference types")
584 @depends("--disable-wasm-reftypes")
585 def enable_wasm_reftypes(value):
590 set_config("ENABLE_WASM_REFTYPES", enable_wasm_reftypes)
591 set_define("ENABLE_WASM_REFTYPES", enable_wasm_reftypes)
593 # Support for WebAssembly function-references.
594 # ===========================
597 @depends(milestone.is_nightly, "--disable-wasm-reftypes")
598 def default_wasm_function_references(is_nightly, reftypes):
599 if is_nightly and reftypes:
604 "--enable-wasm-function-references",
605 default=default_wasm_function_references,
606 help="{Enable|Disable} WebAssembly function-references",
610 @depends("--enable-wasm-function-references", "--disable-wasm-reftypes")
611 def wasm_function_references(value, reftypes):
619 "--enable-wasm-function-references only possible without --disable-wasm-reftypes"
623 set_config("ENABLE_WASM_FUNCTION_REFERENCES", wasm_function_references)
624 set_define("ENABLE_WASM_FUNCTION_REFERENCES", wasm_function_references)
626 # Support for WebAssembly GC.
627 # ===========================
630 @depends(milestone.is_nightly, "--enable-wasm-function-references")
631 def default_wasm_gc(is_nightly, function_references):
632 if is_nightly and function_references:
637 "--enable-wasm-gc", default=default_wasm_gc, help="{Enable|Disable} WebAssembly GC"
641 @depends("--enable-wasm-gc", "--enable-wasm-function-references")
642 def wasm_gc(value, function_references):
646 if function_references:
649 die("--enable-wasm-gc only possible with --enable-wasm-function-references")
652 set_config("ENABLE_WASM_GC", wasm_gc)
653 set_define("ENABLE_WASM_GC", wasm_gc)
656 # Support for WebAssembly private ref types.
657 # Prevent (ref T) types from being exposed to JS content so that wasm need do
658 # no typechecking at the JS/wasm boundary
659 # ===========================================================================
662 @depends(milestone.is_nightly, "--enable-wasm-gc")
663 def default_wasm_private_reftypes(is_nightly, gc):
664 if gc and is_nightly:
669 "--enable-wasm-private-reftypes",
670 default=default_wasm_private_reftypes,
671 help="{Enable|Disable} WebAssembly private reference types",
675 "WASM_PRIVATE_REFTYPES",
676 depends_if("--enable-wasm-private-reftypes")(lambda x: True),
679 "WASM_PRIVATE_REFTYPES",
680 depends_if("--enable-wasm-private-reftypes")(lambda x: True),
684 # Support for the WebAssembly multi-value proposal.
685 # Do not remove until Cranelift supports multi-value.
686 # =====================================================
689 "--disable-wasm-multi-value",
690 help="Disable WebAssembly multi-value blocks and function calls",
694 @depends("--disable-wasm-multi-value")
695 def enable_wasm_multi_value(value):
700 set_config("ENABLE_WASM_MULTI_VALUE", enable_wasm_multi_value)
701 set_define("ENABLE_WASM_MULTI_VALUE", enable_wasm_multi_value)
704 # Support for WebAssembly shared memory and atomics.
706 # This affects the JS shell only and here to allow the use of
707 # Cranelift in the shell. Once Cranelift supports shared memory
708 # and atomics it can go away.
709 # =====================================================
712 "--disable-shared-memory", help="Disable JS/WebAssembly shared memory and atomics"
716 @depends("--disable-shared-memory")
717 def enable_shared_memory(value):
722 set_config("ENABLE_SHARED_MEMORY", enable_shared_memory)
723 set_define("ENABLE_SHARED_MEMORY", enable_shared_memory)
726 # Support for WebAssembly SIMD
727 # =====================================================
730 @depends("--enable-jit", "--enable-simulator", target)
731 def default_wasm_simd(jit_enabled, simulator, target):
732 if not jit_enabled or simulator:
735 if target.cpu in ("x86_64", "x86", "aarch64"):
740 "--enable-wasm-simd",
741 default=default_wasm_simd,
742 help="{Enable|Disable} WebAssembly SIMD",
746 @depends("--enable-wasm-simd", "--enable-jit", "--enable-simulator", target)
747 def wasm_simd(value, jit_enabled, simulator, target):
751 if jit_enabled and not simulator:
752 if target.cpu in ("x86_64", "x86", "aarch64"):
755 if jit_enabled and simulator and simulator[0] == "arm64":
758 die("--enable-wasm-simd only possible when targeting the x86_64/x86/arm64 jits")
761 set_config("ENABLE_WASM_SIMD", wasm_simd)
762 set_define("ENABLE_WASM_SIMD", wasm_simd)
764 # Experimental SIMD opcodes are Nightly-only by default
767 @depends(milestone.is_nightly, "--enable-wasm-simd")
768 def default_wasm_simd_experimental(is_nightly, wasm_simd):
769 if is_nightly and wasm_simd:
774 "--enable-wasm-simd-experimental",
775 default=default_wasm_simd_experimental,
776 help="{Enable|Disable} WebAssembly SIMD experimental opcodes",
780 @depends("--enable-wasm-simd-experimental", "--enable-wasm-simd")
781 def wasm_simd_experimental(value, wasm_simd):
788 die("--enable-wasm-simd-experimental only possible with --enable-wasm-simd")
791 set_config("ENABLE_WASM_SIMD_EXPERIMENTAL", wasm_simd_experimental)
792 set_define("ENABLE_WASM_SIMD_EXPERIMENTAL", wasm_simd_experimental)
794 # Wormhole opcodes are experimental *and* x64-only
797 @depends("--enable-wasm-simd-experimental", target)
798 def default_wasm_simd_wormhole(wasm_simd_experimental, target):
799 if wasm_simd_experimental and target.cpu == "x86_64":
804 "--enable-wasm-simd-wormhole",
805 default=default_wasm_simd_wormhole,
806 help="{Enable|Disable} WebAssembly SIMD wormhole opcodes",
810 @depends("--enable-wasm-simd-wormhole", "--enable-wasm-simd-experimental", target)
811 def wasm_simd_wormhole(value, wasm_simd_experimental, target):
815 if not wasm_simd_experimental:
816 die("SIMD wormhole also requires --enable-wasm-simd-experimental.")
818 if target.cpu != "x86_64":
819 die("SIMD wormhole is only available on x86_64.")
824 set_config("ENABLE_WASM_SIMD_WORMHOLE", wasm_simd_wormhole)
825 set_define("ENABLE_WASM_SIMD_WORMHOLE", wasm_simd_wormhole)
828 # Options for generating the shell as a script
829 # ============================================
830 option("--with-qemu-exe", nargs=1, help="Use path as an arm emulator on host platforms")
831 set_config("QEMU_EXE", depends_if("--with-qemu-exe")(lambda x: x))
836 default=depends(target.alias)(lambda x: "/usr/%s" % x),
837 help="Use dir as the location for arm libraries",
839 set_config("CROSS_LIB", depends_if("--with-cross-lib")(lambda x: x))
841 # Enable static checking using sixgill
842 # ====================================
844 option("--with-sixgill", nargs=1, help="Enable static checking of code using sixgill")
847 @depends_if("--with-sixgill")
850 for f in ("bin/xdbfind", "gcc/xgill.so", "scripts/wrap_gcc/g++"):
851 if not os.path.exists(os.path.join(value[0], f)):
852 die("The sixgill plugin and binaries are not at the specified path")
856 set_config("SIXGILL_PATH", sixgill)
859 # Support for readline
860 # =====================================================
861 @depends("--enable-js-shell", target_is_windows, compile_environment)
862 def editline(js_shell, is_windows, compile_environment):
863 return js_shell and not is_windows and compile_environment
867 "--enable-readline", help="Link js shell to system readline library", when=editline
870 has_readline = check_symbol(
872 flags=["-lreadline"],
873 when="--enable-readline",
874 onerror=lambda: die("No system readline library found"),
877 set_config("EDITLINE_LIBS", ["-lreadline"], when=has_readline)
880 @depends("--enable-readline", editline, when=editline)
881 def bundled_editline(readline, editline):
882 return editline and not readline
885 set_config("JS_BUNDLED_EDITLINE", bundled_editline)
887 set_define("EDITLINE", True, when=editline)
894 "--with-jitreport-granularity",
896 choices=("0", "1", "2", "3"),
897 help="Default granularity at which to report JIT code to external tools "
898 "(0 - no info, 1 - code ranges for while functions only, "
899 "2 - per-line information, 3 - per-op information)",
903 "JS_DEFAULT_JITREPORT_GRANULARITY",
904 depends_if("--with-jitreport-granularity")(lambda value: value[0]),
908 # ECMAScript Internationalization API Support (uses ICU)
909 # ======================================================
910 option("--with-system-icu", help="Use system ICU")
912 system_icu = pkg_check_modules("MOZ_ICU", "icu-i18n >= 67.1", when="--with-system-icu")
914 set_config("MOZ_SYSTEM_ICU", True, when=system_icu)
915 set_define("MOZ_SYSTEM_ICU", True, when=system_icu)
917 option("--without-intl-api", help="Disable ECMAScript Internationalization API")
920 @depends("--with-intl-api", js_standalone)
921 def check_intl_api(enabled, js_standalone):
922 if not enabled and not js_standalone:
923 die("--without-intl-api is not supported")
926 set_config("JS_HAS_INTL_API", True, when="--with-intl-api")
927 set_define("JS_HAS_INTL_API", True, when="--with-intl-api")
930 @depends(check_build_environment, when="--with-intl-api")
931 @imports(_from="__builtin__", _import="open")
932 @imports(_from="__builtin__", _import="ValueError")
933 def icu_version(build_env):
935 build_env.topsrcdir, "intl", "icu", "source", "common", "unicode", "uvernum.h"
937 with open(path, encoding="utf-8") as fh:
939 if line.startswith("#define"):
940 define = line.split(None, 3)
941 if len(define) == 3 and define[1] == "U_ICU_VERSION_MAJOR_NUM":
943 return str(int(define[2]))
946 die("Cannot determine ICU version number from uvernum.h header file")
949 set_config("MOZ_ICU_VERSION", icu_version)
951 # Source files that use ICU should have control over which parts of the ICU
952 # namespace they want to use.
953 set_define("U_USING_ICU_NAMESPACE", "0", when="--with-intl-api")
955 # We build ICU as a static library.
956 set_define("U_STATIC_IMPLEMENTATION", True, when=depends(system_icu)(lambda x: not x))
959 @depends(yasm, gnu_as, target, compile_environment)
960 def can_build_data_file(yasm, gnu_as, target, compile_environment):
961 if not compile_environment or (
962 target.kernel == "WINNT" and target.cpu == "aarch64"
965 if not yasm and not gnu_as:
967 "Building ICU requires either yasm or a GNU assembler. If you do not have "
968 "either of those available for this platform you must use --without-intl-api"
972 # Initial support for WebAssembly JS-API Type Reflections
973 # =======================================================
976 @depends(milestone.is_nightly)
977 def default_wasm_type_reflections(is_nightly):
982 "--enable-wasm-type-reflections",
983 default=default_wasm_type_reflections,
984 help="{Enable|Disable} type reflection in WASM JS-API",
988 "ENABLE_WASM_TYPE_REFLECTIONS",
989 depends_if("--enable-wasm-type-reflections")(lambda x: True),
992 "ENABLE_WASM_TYPE_REFLECTIONS",
993 depends_if("--enable-wasm-type-reflections")(lambda x: True),
996 # Support for WebAssembly exceptions
997 # ==================================
1000 @depends(milestone.is_nightly, "--enable-wasm-multi-value")
1001 def default_wasm_exceptions(is_nightly, multi_value):
1002 if multi_value and is_nightly:
1007 "--enable-wasm-exceptions",
1008 default=default_wasm_exceptions,
1009 help="{Enable|Disable} WebAssembly exceptions",
1013 "ENABLE_WASM_EXCEPTIONS", depends_if("--enable-wasm-exceptions")(lambda x: True)
1016 "ENABLE_WASM_EXCEPTIONS", depends_if("--enable-wasm-exceptions")(lambda x: True)