gecko-dev/js/moz.configure

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Python

# -*- 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/.
# /!\ Use js_option() instead of option() in this file. /!\
# =========================================================
@depends(build_project)
def building_js(build_project):
return build_project == 'js'
# Exception to the rule above: JS_STANDALONE is a special option that doesn't
# want the js_option treatment. When we're done merging js/src/configure and
# top-level configure, it can go away, although the JS_STANDALONE config
# will still need to be set depending on building_js above.
option(env='JS_STANDALONE', default=building_js,
help='Reserved for internal use')
include('../build/moz.configure/rust.configure',
when='--enable-compile-environment')
include('../build/moz.configure/bindgen.configure',
when='--enable-compile-environment')
@depends('JS_STANDALONE')
def js_standalone(value):
if value:
return True
set_config('JS_STANDALONE', js_standalone)
set_define('JS_STANDALONE', js_standalone)
add_old_configure_assignment('JS_STANDALONE', js_standalone)
js_option('--disable-js-shell', default=building_js,
help='{Build|Do not build} the JS shell')
@depends('--disable-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
# ==================================================================
js_option('--disable-shared-js', when=js_standalone,
help='{Create|Do not create} a shared library')
js_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 ion_default(target):
if target.cpu in ('x86', 'x86_64', 'arm', 'aarch64', 'mips32', 'mips64'):
return True
return False
js_option('--enable-ion',
default=ion_default,
help='{Enable|Disable} use of the IonMonkey JIT')
set_config('ENABLE_ION', depends_if('--enable-ion')(lambda x: True))
# JIT code simulator for cross compiles
# =======================================================
js_option('--enable-simulator', choices=('arm', 'arm64', 'mips32', 'mips64'),
nargs=1,
help='Enable a JIT code simulator for the specified architecture')
@depends('--enable-ion', '--enable-simulator', target)
def simulator(ion_enabled, simulator_enabled, target):
if not ion_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-ion', simulator, target)
def jit_codegen(ion_enabled, simulator, target):
if not ion_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
# =======================================================
js_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')
js_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
js_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')
js_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)
js_option('--enable-gc-trace', env='JS_GC_TRACE',
help='Enable tracing of allocation and finalization')
@depends('--enable-gc-trace')
def gc_trace(value):
if value:
return True
set_define('JS_GC_TRACE', gc_trace)
js_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.
js_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
js_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
# =======================================================
js_option('--enable-oom-breakpoint',
help='Enable a breakpoint function for artificial OOMs')
set_define('JS_OOM_BREAKPOINT',
depends_if('--enable-oom-breakpoint')(lambda _: True))
js_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)
js_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-ion', '--enable-jitspew', simulator, target, moz_debug)
def jit_disasm_arm(ion_enabled, spew, simulator, target, debug):
if not ion_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-ion', '--enable-jitspew', simulator, target, moz_debug)
def jit_disasm_arm64(ion_enabled, spew, simulator, target, debug):
if not ion_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.
js_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))
js_option('--enable-more-deterministic', env='JS_MORE_DETERMINISTIC',
help='Enable changes that make the shell more deterministic')
@depends('--enable-more-deterministic')
def more_deterministic(value):
if value:
return True
set_define('JS_MORE_DETERMINISTIC', more_deterministic)
# CTypes
# =======================================================
@depends(building_js)
def ctypes_default(building_js):
return not building_js
js_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)
@depends(build_ctypes, building_js)
def js_has_ctypes(ctypes, js):
if ctypes and js:
return True
set_config('JS_HAS_CTYPES', js_has_ctypes)
set_define('JS_HAS_CTYPES', js_has_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
# ===================================================
js_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)
# Experimental support for BinAST
# ==============================================================
@depends(milestone.is_nightly)
def default_binast(is_nightly):
return is_nightly
js_option('--enable-binast',
default=default_binast,
help="{Enable|Disable} BinAST support")
set_config('JS_BUILD_BINAST', depends_if('--enable-binast')(lambda x: True))
set_define('JS_BUILD_BINAST', depends_if('--enable-binast')(lambda x: True))
# Experimental support for wasm code generation with Cranelift
# ==============================================================
@depends(milestone.is_nightly)
def default_cranelift(is_nightly):
return is_nightly
js_option('--enable-cranelift',
default=default_cranelift,
help='{Enable|Disable} Cranelift code generator for wasm')
set_config('ENABLE_WASM_CRANELIFT', depends_if('--enable-cranelift')(lambda x: True))
set_define('ENABLE_WASM_CRANELIFT', depends_if('--enable-cranelift')(lambda x: True))
# Support for debugging code generated by wasm backends
# =====================================================
js_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 typed objects.
# =====================================================
@depends(milestone.is_nightly)
def default_typed_objects(is_nightly):
return is_nightly
js_option('--enable-typed-objects',
default=default_typed_objects,
help='{Enable|Disable} typed objects')
set_config('ENABLE_TYPED_OBJECTS', depends_if('--enable-typed-objects')(lambda x: True))
set_define('ENABLE_TYPED_OBJECTS', depends_if('--enable-typed-objects')(lambda x: True))
# Support for WebAssembly bulk memory operations.
# =====================================================
@depends(milestone.is_nightly)
def default_wasm_bulk_memory(is_nightly):
return is_nightly
js_option('--enable-wasm-bulk-memory',
default=default_wasm_bulk_memory,
help='{Enable|Disable} WebAssembly bulk memory operators')
set_config('ENABLE_WASM_BULKMEM_OPS', depends_if('--enable-wasm-bulk-memory')(lambda x: True))
set_define('ENABLE_WASM_BULKMEM_OPS', depends_if('--enable-wasm-bulk-memory')(lambda x: True))
# Support for WebAssembly reference types.
# =====================================================
@depends(milestone.is_nightly)
def default_wasm_reftypes(is_nightly):
return is_nightly
js_option('--enable-wasm-reftypes',
default=default_wasm_reftypes,
help='{Enable|Disable} WebAssembly reference types')
set_config('ENABLE_WASM_REFTYPES', depends_if('--enable-wasm-reftypes')(lambda x: True))
set_define('ENABLE_WASM_REFTYPES', depends_if('--enable-wasm-reftypes')(lambda x: True))
# Support for WebAssembly GC.
# ===========================
@depends(milestone.is_nightly, '--enable-wasm-reftypes')
def default_wasm_gc(is_nightly, reftypes):
if reftypes and is_nightly:
return True
js_option('--enable-wasm-gc',
default=default_wasm_gc,
help='{Enable|Disable} WebAssembly GC')
set_config('ENABLE_WASM_GC', depends_if('--enable-wasm-gc')(lambda x: True))
set_define('ENABLE_WASM_GC', depends_if('--enable-wasm-gc')(lambda x: True))
# 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
js_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))