5
moz.configure
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# -*- 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/.
@depends(build_project)
def js_standalone(build_project):
if build_project == "js":
return True
# Branding
# ==============================================================
option(
"--with-app-name",
env="MOZ_APP_NAME",
nargs=1,
help="Used for e.g. the binary program file name. If not set, "
"defaults to a lowercase form of MOZ_APP_BASENAME.",
)
@depends("--with-app-name", js_standalone, moz_app_basename)
def moz_app_name(value, js_standalone, moz_app_basename):
if value:
return value[0]
if js_standalone:
return "js"
return moz_app_basename.lower()
set_config("MOZ_APP_NAME", moz_app_name)
# SmooshMonkey (new frontend)
# ==================================================
# Define here in order to use the option from bindgen.configure.
option(
"--enable-smoosh",
default=False,
help="Enable SmooshMonkey (new JS engine frontend)",
)
@depends("--enable-smoosh")
def enable_smoosh(value):
if value:
return True
set_config("JS_ENABLE_SMOOSH", enable_smoosh)
set_define("JS_ENABLE_SMOOSH", enable_smoosh)
include("../build/moz.configure/nspr.configure", when="--enable-compile-environment")
include("../build/moz.configure/rust.configure", when="--enable-compile-environment")
include("../build/moz.configure/bindgen.configure", when="--enable-compile-environment")
set_config("JS_STANDALONE", js_standalone)
set_define("JS_STANDALONE", js_standalone)
add_old_configure_assignment("JS_STANDALONE", js_standalone)
option(
"--enable-js-shell", default=js_standalone, help="{Build|Do not build} the JS shell"
)
@depends("--enable-js-shell")
def js_disable_shell(value):
if not value:
return True
set_config("JS_DISABLE_SHELL", js_disable_shell)
set_define("JS_64BIT", depends(target)(lambda t: t.bitness == 64 or None))
set_define("JS_PUNBOX64", depends(target)(lambda t: t.bitness == 64 or None))
set_define("JS_NUNBOX32", depends(target)(lambda t: t.bitness == 32 or None))
# SpiderMonkey as a shared library, and how its symbols are exported
# ==================================================================
option(
"--disable-shared-js",
when=js_standalone,
help="{Create|Do not create} a shared library",
)
option(
"--disable-export-js",
when=js_standalone,
help="{Mark|Do not mark} JS symbols as DLL exported/visible",
)
@depends("--disable-shared-js", "--disable-export-js", when=js_standalone)
def shared_js(shared_js, export_js):
if shared_js:
if not export_js:
die("Must export JS symbols when building a shared library.")
return True
set_config("JS_SHARED_LIBRARY", shared_js)
add_old_configure_assignment("JS_SHARED_LIBRARY", shared_js)
@depends(shared_js, "--disable-export-js", when=js_standalone)
def exportable_js_api(shared_js, export_js):
if not shared_js and export_js:
return True
set_define("STATIC_EXPORTABLE_JS_API", exportable_js_api)
@depends(shared_js, exportable_js_api)
def static_js_api(shared_js, export_js):
if not shared_js and not export_js:
return True
set_define("STATIC_JS_API", static_js_api)
@depends(shared_js)
def static_js(value):
if not value:
return True
set_define("MOZ_STATIC_JS", static_js)
# JIT support
# =======================================================
@depends(target)
def jit_default(target):
if target.cpu in ("x86", "x86_64", "arm", "aarch64", "mips32", "mips64"):
return True
return False
option("--enable-jit", default=jit_default, help="{Enable|Disable} use of the JITs")
@deprecated_option("--enable-ion")
def report_deprecated(value):
if value:
die("--enable-ion is deprecated, use --enable-jit instead")
else:
die("--disable-ion is deprecated, use --disable-jit instead")
# JIT code simulator for cross compiles
# =======================================================
option(
"--enable-simulator",
choices=("arm", "arm64", "mips32", "mips64"),
nargs=1,
help="Enable a JIT code simulator for the specified architecture",
)
@depends("--enable-jit", "--enable-simulator", target)
def simulator(jit_enabled, simulator_enabled, target):
if not jit_enabled or not simulator_enabled:
return
sim_cpu = simulator_enabled[0]
if sim_cpu in ("arm", "mips32"):
if target.cpu != "x86":
die("The %s simulator only works on x86." % sim_cpu)
if sim_cpu in ("arm64", "mips64"):
if target.cpu != "x86_64":
die("The %s simulator only works on x86-64." % sim_cpu)
return namespace(**{sim_cpu: True})
set_config("JS_SIMULATOR", depends_if(simulator)(lambda x: True))
set_config("JS_SIMULATOR_ARM", simulator.arm)
set_config("JS_SIMULATOR_ARM64", simulator.arm64)
set_config("JS_SIMULATOR_MIPS32", simulator.mips32)
set_config("JS_SIMULATOR_MIPS64", simulator.mips64)
set_define("JS_SIMULATOR", depends_if(simulator)(lambda x: True))
set_define("JS_SIMULATOR_ARM", simulator.arm)
set_define("JS_SIMULATOR_ARM64", simulator.arm64)
set_define("JS_SIMULATOR_MIPS32", simulator.mips32)
set_define("JS_SIMULATOR_MIPS64", simulator.mips64)
@depends("--enable-jit", simulator, target)
def jit_codegen(jit_enabled, simulator, target):
if not jit_enabled:
return namespace(none=True)
if simulator:
return simulator
if target.cpu == "aarch64":
return namespace(arm64=True)
elif target.cpu == "x86_64":
return namespace(x64=True)
return namespace(**{str(target.cpu): True})
set_config("JS_CODEGEN_NONE", jit_codegen.none)
set_config("JS_CODEGEN_ARM", jit_codegen.arm)
set_config("JS_CODEGEN_ARM64", jit_codegen.arm64)
set_config("JS_CODEGEN_MIPS32", jit_codegen.mips32)
set_config("JS_CODEGEN_MIPS64", jit_codegen.mips64)
set_config("JS_CODEGEN_X86", jit_codegen.x86)
set_config("JS_CODEGEN_X64", jit_codegen.x64)
set_define("JS_CODEGEN_NONE", jit_codegen.none)
set_define("JS_CODEGEN_ARM", jit_codegen.arm)
set_define("JS_CODEGEN_ARM64", jit_codegen.arm64)
set_define("JS_CODEGEN_MIPS32", jit_codegen.mips32)
set_define("JS_CODEGEN_MIPS64", jit_codegen.mips64)
set_define("JS_CODEGEN_X86", jit_codegen.x86)
set_define("JS_CODEGEN_X64", jit_codegen.x64)
# Profiling
# =======================================================
option(
"--enable-instruments",
env="MOZ_INSTRUMENTS",
help="Enable instruments remote profiling",
)
@depends("--enable-instruments", target)
def instruments(value, target):
if value and target.os != "OSX":
die("--enable-instruments cannot be used when targeting %s", target.os)
if value:
return True
set_config("MOZ_INSTRUMENTS", instruments)
set_define("MOZ_INSTRUMENTS", instruments)
add_old_configure_assignment("MOZ_INSTRUMENTS", instruments)
imply_option("--enable-profiling", instruments, reason="--enable-instruments")
option("--enable-callgrind", env="MOZ_CALLGRIND", help="Enable callgrind profiling")
@depends("--enable-callgrind")
def callgrind(value):
if value:
return True
set_define("MOZ_CALLGRIND", callgrind)
imply_option("--enable-profiling", callgrind)
@depends(milestone)
def enable_profiling(milestone):
return milestone.is_nightly
option(
"--enable-profiling",
env="MOZ_PROFILING",
default=enable_profiling,
help="{Set|Do not set} compile flags necessary for using sampling "
"profilers (e.g. shark, perf)",
)
@depends("--enable-profiling")
def profiling(value):
if value:
return True
add_old_configure_assignment("MOZ_PROFILING", profiling)
with only_when("--enable-compile-environment"):
imply_option("--enable-frame-pointers", True, when=profiling)
@depends(profiling, target)
def imply_vtune(value, target):
ok_cpu = target.cpu in ["x86", "x86_64"]
ok_kernel = target.kernel == "WINNT" or (
target.kernel == "Linux" and target.os == "GNU"
)
if value and ok_cpu and ok_kernel:
return True
set_config("MOZ_PROFILING", profiling)
set_define("MOZ_PROFILING", profiling)
imply_option("--enable-vtune", imply_vtune, reason="--enable-profiling")
option("--enable-vtune", env="MOZ_VTUNE", help="Enable VTune profiling")
@depends("--enable-vtune")
def vtune(value):
if value:
return True
set_config("MOZ_VTUNE", vtune)
set_define("MOZ_VTUNE", vtune)
option(
"--enable-gc-probes",
env="JS_GC_PROBES",
help="Turn on probes for allocation and finalization",
)
@depends("--enable-gc-probes")
def gc_probes(value):
if value:
return True
set_define("JS_GC_PROBES", gc_probes)
option(
"--enable-gczeal",
default=depends(when=moz_debug)(lambda: True),
help="{Enable|Disable} zealous GCing",
)
set_define("JS_GC_ZEAL", depends_if("--enable-gczeal")(lambda _: True))
# Use a smaller chunk size for GC chunks
# ========================================================
# Use large (1MB) chunks by default. This option can be used to give
# smaller (currently 256K) chunks.
option(
"--enable-small-chunk-size",
help="Allocate memory for JS GC things in smaller chunks",
)
set_define(
"JS_GC_SMALL_CHUNK_SIZE", depends(when="--enable-small-chunk-size")(lambda: True)
)
# Trace logging.
# =======================================================
@depends(milestone)
def default_trace_logging(milestone):
return milestone.is_nightly
option(
"--enable-trace-logging",
default=default_trace_logging,
help="{Enable|Disable} trace logging",
)
set_config("ENABLE_TRACE_LOGGING", depends_if("--enable-trace-logging")(lambda x: True))
set_define("JS_TRACE_LOGGING", depends_if("--enable-trace-logging")(lambda x: True))
# Enable breakpoint for artificial OOMs
# =======================================================
option(
"--enable-oom-breakpoint", help="Enable a breakpoint function for artificial OOMs"
)
set_define("JS_OOM_BREAKPOINT", depends_if("--enable-oom-breakpoint")(lambda _: True))
option("--enable-perf", env="JS_ION_PERF", help="Enable Linux perf integration")
@depends("--enable-perf")
def ion_perf(value):
if value:
return True
set_define("JS_ION_PERF", ion_perf)
option(
"--enable-jitspew",
default=depends(when=moz_debug)(lambda: True),
help="{Enable|Disable} the Jit spew and IONFLAGS environment " "variable",
)
set_define("JS_JITSPEW", depends_if("--enable-jitspew")(lambda _: True))
set_config("JS_JITSPEW", depends_if("--enable-jitspew")(lambda _: True))
# Also enable the structured spewer
set_define("JS_STRUCTURED_SPEW", depends_if("--enable-jitspew")(lambda _: True))
set_config("JS_STRUCTURED_SPEW", depends_if("--enable-jitspew")(lambda _: True))
@depends("--enable-jit", "--enable-jitspew", simulator, target, moz_debug)
def jit_disasm_arm(jit_enabled, spew, simulator, target, debug):
if not jit_enabled:
return
if simulator and (debug or spew):
if getattr(simulator, "arm", None):
return True
if target.cpu == "arm" and (debug or spew):
return True
set_config("JS_DISASM_ARM", jit_disasm_arm)
set_define("JS_DISASM_ARM", jit_disasm_arm)
@depends("--enable-jit", "--enable-jitspew", simulator, target, moz_debug)
def jit_disasm_arm64(jit_enabled, spew, simulator, target, debug):
if not jit_enabled:
return
if simulator and (debug or spew):
if getattr(simulator, "arm64", None):
return True
if target.cpu == "aarch64" and (debug or spew):
return True
set_config("JS_DISASM_ARM64", jit_disasm_arm64)
set_define("JS_DISASM_ARM64", jit_disasm_arm64)
# When enabled, masm will generate assumeUnreachable calls that act as
# assertions in the generated code. This option is worth disabling when you
# have to track mutated values through the generated code, to avoid constantly
# dumping registers on and off the stack.
option(
"--enable-masm-verbose",
default=depends(when=moz_debug)(lambda: True),
help="{Enable|Disable} MacroAssembler verbosity of generated code.",
)
set_define("JS_MASM_VERBOSE", depends_if("--enable-masm-verbose")(lambda _: True))
set_config("JS_MASM_VERBOSE", depends_if("--enable-masm-verbose")(lambda _: True))
# Architecture feature flags
# =======================================================
# Apple silicon does not seem to have any way to query the OS for the JSCVT
# flag stored in the ID_AA64ISAR1_EL1 system register. In the mean time, we
# hard code the value of the JSCVT flag which guards the implementation of
# FJCVTZS instruction as part of ARMv8.3-JSConv.
@depends(target)
def is_apple_silicon(target):
return target.os == "OSX" and target.kernel == "Darwin" and target.cpu == "aarch64"
option(
"--enable-arm64-fjcvtzs",
default=is_apple_silicon,
help="{Enable|Disable} static use of FJCVTZS instruction on Aarch64 targets.",
)
# The "ARM Architecture Reference Manual" for ARMv8 defines the JSCVT flag as
# being a 4 bit integer (D12.2.52) and it can be manipulated using >= operator
# (D12.1.4).
#
# The FJCVTZS instruction is implemented if ID_AA64ISAR1_EL1.JSCVT >= 1.
@depends("--enable-arm64-fjcvtzs", target, simulator)
def aarch64_jscvt(fjcvtzs, target, simulator):
if target.cpu == "aarch64" and fjcvtzs:
return 1
if simulator and getattr(simulator, "arm64", False) and fjcvtzs:
return 1
return 0
set_define("MOZ_AARCH64_JSCVT", aarch64_jscvt)
# CTypes
# =======================================================
@depends(js_standalone)
def ctypes_default(js_standalone):
return not js_standalone
option("--enable-ctypes", default=ctypes_default, help="{Enable|Disable} js-ctypes")
build_ctypes = depends_if("--enable-ctypes")(lambda _: True)
set_config("BUILD_CTYPES", build_ctypes)
set_define("BUILD_CTYPES", build_ctypes)
set_config("JS_HAS_CTYPES", build_ctypes)
set_define("JS_HAS_CTYPES", build_ctypes)
@depends("--enable-ctypes", "--enable-compile-environment")
def ctypes_and_compile_environment(ctypes, compile_environment):
return ctypes and compile_environment
include("ffi.configure", when=ctypes_and_compile_environment)
# Enable pipeline operator
# ===================================================
option("--enable-pipeline-operator", default=False, help="Enable pipeline operator")
@depends("--enable-pipeline-operator")
def enable_pipeline_operator(value):
if value:
return True
set_config("ENABLE_PIPELINE_OPERATOR", enable_pipeline_operator)
set_define("ENABLE_PIPELINE_OPERATOR", enable_pipeline_operator)
# SIMD acceleration for encoding_rs
# ==============================================================
option(
"--enable-rust-simd", env="MOZ_RUST_SIMD", help="Enable explicit SIMD in Rust code."
)
@depends("--enable-rust-simd", target)
def rust_simd(value, target):
# As of 2019-09-17, the simd-accel feature of encoding_rs has not
# been properly set up outside aarch64, armv7, x86 and x86_64.
if target.cpu in ("aarch64", "arm", "x86", "x86_64") and value:
return True
set_config("MOZ_RUST_SIMD", rust_simd)
set_define("MOZ_RUST_SIMD", rust_simd)
# Support for wasm code generation with Cranelift
# ==============================================================
option(
"--enable-cranelift",
default=False,
help="{Enable|Disable} Cranelift code generator for wasm",
)
@depends(
"--enable-cranelift",
"--enable-jit",
"--enable-simulator",
target,
target_is_windows,
)
def enable_cranelift(value, jit_enabled, simulator, target, is_windows):
if not value:
return
if not jit_enabled:
die("--enable-cranelift requires --enable-jit")
if not (
target.cpu == "aarch64"
or (target.cpu == "x86_64" and simulator and simulator[0] == "arm64")
):
die("--enable-cranelift is only supported on arm64")
if is_windows:
die("--enable-cranelift is not supported on windows")
return True
set_config("ENABLE_WASM_CRANELIFT", enable_cranelift)
set_define("ENABLE_WASM_CRANELIFT", enable_cranelift)
# Telemetry to measure compile time and generated-code runtime
# ============================================================
option(
"--enable-spidermonkey-telemetry",
default=milestone.is_nightly,
help="{Enable|Disable} performance telemetry for SpiderMonkey (e.g. compile and run times)",
)
set_define(
"ENABLE_SPIDERMONKEY_TELEMETRY",
depends_if("--enable-spidermonkey-telemetry")(lambda x: True),
)
# Support for debugging code generated by wasm backends
# =====================================================
option(
"--enable-wasm-codegen-debug",
default=depends(when=moz_debug)(lambda: True),
help="{Enable|Disable} debugging for wasm codegen",
)
set_config(
"WASM_CODEGEN_DEBUG", depends_if("--enable-wasm-codegen-debug")(lambda x: True)
)
set_define(
"WASM_CODEGEN_DEBUG", depends_if("--enable-wasm-codegen-debug")(lambda x: True)
)
# Support for WebAssembly function-references.
# ===========================
@depends(milestone.is_nightly)
def default_wasm_function_references(is_nightly):
if is_nightly:
return True
option(
"--enable-wasm-function-references",
default=default_wasm_function_references,
help="{Enable|Disable} WebAssembly function-references",
)
@depends("--enable-wasm-function-references")
def wasm_function_references(value):
if value:
return True
set_config("ENABLE_WASM_FUNCTION_REFERENCES", wasm_function_references)
set_define("ENABLE_WASM_FUNCTION_REFERENCES", wasm_function_references)
# Support for WebAssembly GC.
# ===========================
@depends(milestone.is_nightly, "--enable-wasm-function-references")
def default_wasm_gc(is_nightly, function_references):
if is_nightly and function_references:
return True
option(
"--enable-wasm-gc", default=default_wasm_gc, help="{Enable|Disable} WebAssembly GC"
)
@depends("--enable-wasm-gc", "--enable-wasm-function-references")
def wasm_gc(value, function_references):
if not value:
return
if function_references:
return True
die("--enable-wasm-gc only possible with --enable-wasm-function-references")
set_config("ENABLE_WASM_GC", wasm_gc)
set_define("ENABLE_WASM_GC", wasm_gc)
# Support for WebAssembly private ref types.
# Prevent (ref T) types from being exposed to JS content so that wasm need do
# no typechecking at the JS/wasm boundary
# ===========================================================================
@depends(milestone.is_nightly, "--enable-wasm-gc")
def default_wasm_private_reftypes(is_nightly, gc):
if gc and is_nightly:
return True
option(
"--enable-wasm-private-reftypes",
default=default_wasm_private_reftypes,
help="{Enable|Disable} WebAssembly private reference types",
)
set_config(
"WASM_PRIVATE_REFTYPES",
depends_if("--enable-wasm-private-reftypes")(lambda x: True),
)
set_define(
"WASM_PRIVATE_REFTYPES",
depends_if("--enable-wasm-private-reftypes")(lambda x: True),
)
# Support for WebAssembly shared memory and atomics.
#
# This affects the JS shell only and here to allow the use of
# Cranelift in the shell. Once Cranelift supports shared memory
# and atomics it can go away.
# =====================================================
option(
"--disable-shared-memory", help="Disable JS/WebAssembly shared memory and atomics"
)
@depends("--disable-shared-memory")
def enable_shared_memory(value):
if value:
return True
set_config("ENABLE_SHARED_MEMORY", enable_shared_memory)
set_define("ENABLE_SHARED_MEMORY", enable_shared_memory)
# Support for WebAssembly extended constant expressions
# =====================================================
@depends(milestone.is_nightly)
def default_wasm_extended_const(is_nightly):
if is_nightly:
return True
option(
"--enable-wasm-extended-const",
default=default_wasm_extended_const,
help="{Enable|Disable} WebAssembly extended constant expressions",
)
@depends("--enable-wasm-extended-const")
def wasm_extended_const(value):
if value:
return True
set_config("ENABLE_WASM_EXTENDED_CONST", wasm_extended_const)
set_define("ENABLE_WASM_EXTENDED_CONST", wasm_extended_const)
# Support for WebAssembly SIMD
# =====================================================
@depends("--enable-jit", "--enable-simulator", "--enable-cranelift", target)
def default_wasm_simd(jit_enabled, simulator, cranelift_enabled, target):
if not jit_enabled:
return
if cranelift_enabled:
return
if simulator and (simulator[0] != "arm64"):
return
if target.cpu in ("x86_64", "x86", "aarch64"):
return True
option(
"--enable-wasm-simd",
default=default_wasm_simd,
help="{Enable|Disable} WebAssembly SIMD",
)
@depends(
"--enable-wasm-simd",
"--enable-jit",
"--enable-simulator",
"--enable-cranelift",
target,
)
def wasm_simd(value, jit_enabled, simulator, cranelift_enabled, target):
if not value:
return
if not jit_enabled:
die("--enable-wasm-simd requires --enable-jit")
if cranelift_enabled:
die("--enable-wasm-simd is not supported for --enable-cranelift")
if simulator and (simulator[0] != "arm64"):
die("--enable-wasm-simd is not supported for simulators, except arm64")
if target.cpu in ("x86_64", "x86", "aarch64"):
return True
die("--enable-wasm-simd only possible when targeting the x86_64/x86/arm64 jits")
set_config("ENABLE_WASM_SIMD", wasm_simd)
set_define("ENABLE_WASM_SIMD", wasm_simd)
# Wormhole opcodes are Intel-only. They are private to Firefox, but we need them for some
# experiments on release and so they ride the trains.
@depends("--enable-simulator", "--enable-wasm-simd", target)
def default_wasm_simd_wormhole(simulator, wasm_simd, target):
if wasm_simd and target.cpu in ("x86", "x86_64") and not simulator:
return True
option(
"--enable-wasm-simd-wormhole",
default=default_wasm_simd_wormhole,
help="{Enable|Disable} WebAssembly SIMD wormhole opcodes",
)
@depends(
"--enable-wasm-simd-wormhole", "--enable-wasm-simd", "--enable-simulator", target
)
def wasm_simd_wormhole(value, wasm_simd, simulator, target):
if not value:
return
if wasm_simd and target.cpu in ("x86", "x86_64") and not simulator:
return True
die("SIMD wormhole currently supported on native x86/x64 only, with --wasm-simd")
set_config("ENABLE_WASM_SIMD_WORMHOLE", wasm_simd_wormhole)
set_define("ENABLE_WASM_SIMD_WORMHOLE", wasm_simd_wormhole)
# Support for WebAssembly relaxed SIMD
# =====================================================
@depends(milestone.is_nightly, "--enable-wasm-simd")
def default_wasm_relaxed_simd(is_nightly, wasm_simd):
if is_nightly and wasm_simd:
return True
option(
"--enable-wasm-relaxed-simd",
default=default_wasm_relaxed_simd,
help="{Enable|Disable} WebAssembly relaxed SIMD",
)
@depends("--enable-wasm-relaxed-simd", "--enable-wasm-simd")
def wasm_relaxed_simd(value, wasm_simd):
if not value:
return
if not wasm_simd:
die("relaxed SIMD requires SIMD")
return True
set_config("ENABLE_WASM_RELAXED_SIMD", wasm_relaxed_simd)
set_define("ENABLE_WASM_RELAXED_SIMD", wasm_relaxed_simd)
# Support for WebAssembly intgemm private intrinsics
# =====================================================
@depends(milestone.is_nightly)
def default_wasm_moz_intgemm(is_nightly):
if is_nightly:
return True
option(
"--enable-wasm-moz-intgemm",
default=default_wasm_moz_intgemm,
help="{Enable|Disable} WebAssembly intgemm private intrinsics",
)
@depends("--enable-wasm-moz-intgemm")
def wasm_moz_intgemm(value):
if not value:
return
return True
set_config("ENABLE_WASM_MOZ_INTGEMM", wasm_moz_intgemm)
set_define("ENABLE_WASM_MOZ_INTGEMM", wasm_moz_intgemm)
# Support for WebAssembly Memory64.
# ===========================
@depends(milestone.is_nightly, "--enable-cranelift", "--enable-simulator", target)
def default_wasm_memory64(is_nightly, cranelift, simulator, target):
if cranelift:
return
if target.cpu == "mips32":
return
if simulator and simulator[0] == "mips32":
return
if is_nightly:
return True
option(
"--enable-wasm-memory64",
default=default_wasm_memory64,
help="{Enable|Disable} WebAssembly Memory64",
)
@depends("--enable-wasm-memory64", "--enable-cranelift", "--enable-simulator", target)
def wasm_memory64(value, cranelift, simulator, target):
if not value:
return
if cranelift:
die("Memory64 is incompatible with Cranelift")
if target.cpu == "mips32":
die("Memory64 is incompatible with MIPS32 target")
if simulator and simulator[0] == "mips32":
die("Memory64 is incompatible with MIPS32 simulator")
return True
set_config("ENABLE_WASM_MEMORY64", wasm_memory64)
set_define("ENABLE_WASM_MEMORY64", wasm_memory64)
# Support for checking for indirect call to null via traps
# =====================================================
@depends(milestone.is_nightly, "--enable-jit", "--enable-simulator")
def default_wasm_call_indirect_null(is_nightly, enable_jit, simulator):
if not enable_jit:
return
if simulator:
return
if is_nightly:
return True
option(
"--enable-wasm-call-indirect-null",
default=default_wasm_call_indirect_null,
help="{Enable|Disable} WebAssembly call-indirect-to-null optimization",
)
@depends("--enable-wasm-call-indirect-null", "--enable-jit", "--enable-simulator")
def wasm_call_indirect_null(value, enable_jit, simulator):
if not value:
return
if not enable_jit:
return
if simulator:
return
return True
set_config("ENABLE_WASM_CALL_INDIRECT_NULL", wasm_call_indirect_null)
set_define("ENABLE_WASM_CALL_INDIRECT_NULL", wasm_call_indirect_null)
# Options for generating the shell as a script
# ============================================
option("--with-qemu-exe", nargs=1, help="Use path as an arm emulator on host platforms")
set_config("QEMU_EXE", depends_if("--with-qemu-exe")(lambda x: x))
option(
"--with-cross-lib",
nargs=1,
default=depends(target.alias)(lambda x: "/usr/%s" % x),
help="Use dir as the location for arm libraries",
)
set_config("CROSS_LIB", depends_if("--with-cross-lib")(lambda x: x))
# Enable static checking using sixgill
# ====================================
option("--with-sixgill", nargs=1, help="Enable static checking of code using sixgill")
@depends_if("--with-sixgill")
@imports("os")
def sixgill(value):
for f in ("bin/xdbfind", "gcc/xgill.so", "scripts/wrap_gcc/g++"):
if not os.path.exists(os.path.join(value[0], f)):
die("The sixgill plugin and binaries are not at the specified path")
return value[0]
set_config("SIXGILL_PATH", sixgill)
# Support for readline
# =====================================================
@depends("--enable-js-shell", target_is_windows, compile_environment, target)
def editline(js_shell, is_windows, compile_environment, target):
return js_shell and not is_windows and compile_environment and (target.os != "WASI")
option(
"--enable-readline", help="Link js shell to system readline library", when=editline
)
has_readline = check_symbol(
"readline",
flags=["-lreadline"],
when="--enable-readline",
onerror=lambda: die("No system readline library found"),
)
set_config("EDITLINE_LIBS", ["-lreadline"], when=has_readline)
@depends("--enable-readline", editline, when=editline)
def bundled_editline(readline, editline):
return editline and not readline
set_config("JS_BUNDLED_EDITLINE", bundled_editline)
set_define("EDITLINE", True, when=editline)
# JIT observers
# =============
option(
"--with-jitreport-granularity",
default="3",
choices=("0", "1", "2", "3"),
help="Default granularity at which to report JIT code to external tools "
"(0 - no info, 1 - code ranges for while functions only, "
"2 - per-line information, 3 - per-op information)",
)
set_define(
"JS_DEFAULT_JITREPORT_GRANULARITY",
depends_if("--with-jitreport-granularity")(lambda value: value[0]),
)
# ECMAScript Internationalization API Support (uses ICU)
# ======================================================
system_lib_option("--with-system-icu", help="Use system ICU")
system_icu = pkg_check_modules("MOZ_ICU", "icu-i18n >= 70.1", when="--with-system-icu")
@depends("--with-system-icu")
def in_tree_icu(system_icu):
return not system_icu
# Set MOZ_ICU_CFLAGS to an explicit empty value when --with-system-icu is *not* used,
# for layout/style/extra-bindgen-flags
set_config("MOZ_ICU_CFLAGS", [], when=in_tree_icu)
set_config("MOZ_SYSTEM_ICU", True, when=system_icu)
set_define("MOZ_SYSTEM_ICU", True, when=system_icu)
option("--without-intl-api", help="Disable ECMAScript Internationalization API")
@depends("--with-intl-api", js_standalone)
def check_intl_api(enabled, js_standalone):
if not enabled and not js_standalone:
die("--without-intl-api is not supported")
set_config("JS_HAS_INTL_API", True, when="--with-intl-api")
set_define("JS_HAS_INTL_API", True, when="--with-intl-api")
@depends(check_build_environment, when="--with-intl-api")
@imports(_from="__builtin__", _import="open")
@imports(_from="__builtin__", _import="ValueError")
def icu_version(build_env):
path = os.path.join(
build_env.topsrcdir, "intl", "icu", "source", "common", "unicode", "uvernum.h"
)
with open(path, encoding="utf-8") as fh:
for line in fh:
if line.startswith("#define"):
define = line.split(None, 3)
if len(define) == 3 and define[1] == "U_ICU_VERSION_MAJOR_NUM":
try:
return str(int(define[2]))
except ValueError:
pass
die("Cannot determine ICU version number from uvernum.h header file")
set_config("MOZ_ICU_VERSION", icu_version)
# Source files that use ICU should have control over which parts of the ICU
# namespace they want to use.
set_define("U_USING_ICU_NAMESPACE", "0", when="--with-intl-api")
# We build ICU as a static library.
set_define("U_STATIC_IMPLEMENTATION", True, when=depends(system_icu)(lambda x: not x))
# Initial support for WebAssembly JS-API Type Reflections
# =======================================================
@depends(milestone.is_nightly)
def default_wasm_type_reflections(is_nightly):
return is_nightly
option(
"--enable-wasm-type-reflections",
default=default_wasm_type_reflections,
help="{Enable|Disable} type reflection in WASM JS-API",
)
set_config(
"ENABLE_WASM_TYPE_REFLECTIONS",
depends_if("--enable-wasm-type-reflections")(lambda x: True),
)
set_define(
"ENABLE_WASM_TYPE_REFLECTIONS",
depends_if("--enable-wasm-type-reflections")(lambda x: True),
)
# Support for WebAssembly exceptions
# ==================================
@depends(milestone.is_nightly)
def default_wasm_exceptions(is_nightly):
if is_nightly:
return True
option(
"--enable-wasm-exceptions",
default=default_wasm_exceptions,
help="{Enable|Disable} WebAssembly exceptions",
)
set_config(
"ENABLE_WASM_EXCEPTIONS", depends_if("--enable-wasm-exceptions")(lambda x: True)
)
set_define(
"ENABLE_WASM_EXCEPTIONS", depends_if("--enable-wasm-exceptions")(lambda x: True)
)
set_define(
"_WASI_EMULATED_PROCESS_CLOCKS",
True,
when=depends(target)(lambda t: t.os == "WASI"),
)
# Enable change-array-by-copy
# ===================================================
def use_change_array_by_copy():
return False
option(
"--enable-change-array-by-copy",
default=use_change_array_by_copy(),
help="{Enable|Disable} change-array-by-copy method pref/command-line option (disabled by default)",
)
@depends("--enable-change-array-by-copy")
def enable_change_array_by_copy(value):
if value:
return True
set_config("ENABLE_CHANGE_ARRAY_BY_COPY", enable_change_array_by_copy)
set_define("ENABLE_CHANGE_ARRAY_BY_COPY", enable_change_array_by_copy)
# Enable New Set methods
# ===================================================
def use_new_set_methods():
return False
option(
"--enable-new-set-methods",
default=use_new_set_methods(),
help="{Enable|Disable} New Set methods pref/command-line option (disabled by default)",
)
@depends("--enable-new-set-methods")
def enable_new_set_methods(value):
if value:
return True
set_config("ENABLE_NEW_SET_METHODS", enable_new_set_methods)
set_define("ENABLE_NEW_SET_METHODS", enable_new_set_methods)
@depends(milestone.version)
def js_version(version):
return Version(version)
set_config("MOZJS_MAJOR_VERSION", depends(js_version.major)(lambda m: str(m)))
set_define("MOZJS_MAJOR_VERSION", js_version.major)
set_config("MOZJS_MINOR_VERSION", depends(js_version.minor)(lambda m: str(m)))
set_define("MOZJS_MINOR_VERSION", js_version.minor)
set_config("MOZJS_PATCH_VERSION", depends(js_version.patch)(lambda p: str(p)))
set_config(
"MOZJS_ALPHA",
depends(js_version)(lambda x: x.version[-2] if x.version[-2] in "ab" else None),
)
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