# Copyright 2013 the V8 project authors. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Shared definitions for all V8-related targets.
{
'variables': {
'msvs_use_common_release': 0,
'clang%': 0,
'asan%': 0,
'lsan%': 0,
'msan%': 0,
'tsan%': 0,
'ubsan%': 0,
'ubsan_vptr%': 0,
'has_valgrind%': 0,
'coverage%': 0,
'v8_target_arch%': '<(target_arch)',
'v8_host_byteorder%': '<!(python -c "import sys; print sys.byteorder")',
'force_dynamic_crt%': 0,
# Setting 'v8_can_use_vfp32dregs' to 'true' will cause V8 to use the VFP
# registers d16-d31 in the generated code, both in the snapshot and for the
# ARM target. Leaving the default value of 'false' will avoid the use of
# these registers in the snapshot and use CPU feature probing when running
# on the target.
'v8_can_use_vfp32dregs%': 'false',
'arm_test_noprobe%': 'off',
# Similar to vfp but on MIPS.
'v8_can_use_fpu_instructions%': 'true',
# Similar to the ARM hard float ABI but on MIPS.
'v8_use_mips_abi_hardfloat%': 'true',
# Print to stdout on Android.
'v8_android_log_stdout%': 0,
# Force disable libstdc++ debug mode.
'disable_glibcxx_debug%': 0,
'v8_enable_backtrace%': 0,
# Enable profiling support. Only required on Windows.
'v8_enable_prof%': 0,
# Some versions of GCC 4.5 seem to need -fno-strict-aliasing.
'v8_no_strict_aliasing%': 0,
# Chrome needs this definition unconditionally. For standalone V8 builds,
# it's handled in gypfiles/standalone.gypi.
'want_separate_host_toolset%': 1,
'want_separate_host_toolset_mkpeephole%': 1,
# Toolset the shell binary should be compiled for. Possible values are
# 'host' and 'target'.
# The setting is ignored if want_separate_host_toolset is 0.
'v8_toolset_for_shell%': 'target',
'host_os%': '<(OS)',
'werror%': '-Werror',
# For a shared library build, results in "libv8-<(soname_version).so".
'soname_version%': '',
# Allow to suppress the array bounds warning (default is no suppression).
'wno_array_bounds%': '',
# Override where to find binutils
'binutils_dir%': '',
'conditions': [
['OS=="linux" and host_arch=="x64"', {
'binutils_dir%': 'third_party/binutils/Linux_x64/Release/bin',
}],
['OS=="linux" and host_arch=="ia32"', {
'binutils_dir%': 'third_party/binutils/Linux_ia32/Release/bin',
}],
# linux_use_bundled_gold: whether to use the gold linker binary checked
# into third_party/binutils. Force this off via GYP_DEFINES when you
# are using a custom toolchain and need to control -B in ldflags.
# Do not use 32-bit gold on 32-bit hosts as it runs out address space
# for component=static_library builds.
['((OS=="linux" or OS=="android") and (target_arch=="x64" or target_arch=="arm" or (target_arch=="ia32" and host_arch=="x64"))) or (OS=="linux" and target_arch=="mipsel")', {
'linux_use_bundled_gold%': 1,
}, {
'linux_use_bundled_gold%': 0,
}],
# linux_use_bundled_binutils: whether to use the binary binutils
# checked into third_party/binutils. These are not multi-arch so cannot
# be used except on x86 and x86-64 (the only two architectures which
# are currently checke in). Force this off via GYP_DEFINES when you
# are using a custom toolchain and need to control -B in cflags.
['OS=="linux" and (target_arch=="ia32" or target_arch=="x64")', {
'linux_use_bundled_binutils%': 1,
}, {
'linux_use_bundled_binutils%': 0,
}],
# linux_use_gold_flags: whether to use build flags that rely on gold.
# On by default for x64 Linux.
['OS=="linux" and target_arch=="x64"', {
'linux_use_gold_flags%': 1,
}, {
'linux_use_gold_flags%': 0,
}],
],
# Link-Time Optimizations
'use_lto%': 0,
# Indicates if gcmole tools are downloaded by a hook.
'gcmole%': 0,
},
'conditions': [
['host_arch=="ia32" or host_arch=="x64" or \
host_arch=="ppc" or host_arch=="ppc64" or \
host_arch=="s390" or host_arch=="s390x" or \
clang==1', {
'variables': {
'host_cxx_is_biarch%': 1,
},
}, {
'variables': {
'host_cxx_is_biarch%': 0,
},
}],
['target_arch=="ia32" or target_arch=="x64" or target_arch=="x87" or \
target_arch=="ppc" or target_arch=="ppc64" or target_arch=="s390" or \
target_arch=="s390x" or clang==1', {
'variables': {
'target_cxx_is_biarch%': 1,
},
}, {
'variables': {
'target_cxx_is_biarch%': 0,
},
}],
],
'target_defaults': {
'conditions': [
['v8_target_arch=="arm"', {
'defines': [
'V8_TARGET_ARCH_ARM',
],
'conditions': [
[ 'arm_version==7 or arm_version=="default"', {
'defines': [
'CAN_USE_ARMV7_INSTRUCTIONS',
],
}],
[ 'arm_fpu=="vfpv3-d16" or arm_fpu=="default"', {
'defines': [
'CAN_USE_VFP3_INSTRUCTIONS',
],
}],
[ 'arm_fpu=="vfpv3"', {
'defines': [
'CAN_USE_VFP3_INSTRUCTIONS',
'CAN_USE_VFP32DREGS',
],
}],
[ 'arm_fpu=="neon"', {
'defines': [
'CAN_USE_VFP3_INSTRUCTIONS',
'CAN_USE_VFP32DREGS',
'CAN_USE_NEON',
],
}],
[ 'arm_test_noprobe=="on"', {
'defines': [
'ARM_TEST_NO_FEATURE_PROBE',
],
}],
],
'target_conditions': [
['_toolset=="host"', {
'conditions': [
['v8_target_arch==host_arch', {
# Host built with an Arm CXX compiler.
'conditions': [
[ 'arm_version==7', {
'cflags': ['-march=armv7-a',],
}],
[ 'arm_version==7 or arm_version=="default"', {
'conditions': [
[ 'arm_fpu!="default"', {
'cflags': ['-mfpu=<(arm_fpu)',],
}],
],
}],
[ 'arm_float_abi!="default"', {
'cflags': ['-mfloat-abi=<(arm_float_abi)',],
}],
[ 'arm_thumb==1', {
'cflags': ['-mthumb',],
}],
[ 'arm_thumb==0', {
'cflags': ['-marm',],
}],
],
}, {
# 'v8_target_arch!=host_arch'
# Host not built with an Arm CXX compiler (simulator build).
'conditions': [
[ 'arm_float_abi=="hard"', {
'defines': [
'USE_EABI_HARDFLOAT=1',
],
}],
[ 'arm_float_abi=="softfp" or arm_float_abi=="default"', {
'defines': [
'USE_EABI_HARDFLOAT=0',
],
}],
],
}],
],
}], # _toolset=="host"
['_toolset=="target"', {
'conditions': [
['v8_target_arch==target_arch', {
# Target built with an Arm CXX compiler.
'conditions': [
[ 'arm_version==7', {
'cflags': ['-march=armv7-a',],
}],
[ 'arm_version==7 or arm_version=="default"', {
'conditions': [
[ 'arm_fpu!="default"', {
'cflags': ['-mfpu=<(arm_fpu)',],
}],
],
}],
[ 'arm_float_abi!="default"', {
'cflags': ['-mfloat-abi=<(arm_float_abi)',],
}],
[ 'arm_thumb==1', {
'cflags': ['-mthumb',],
}],
[ 'arm_thumb==0', {
'cflags': ['-marm',],
}],
],
}, {
# 'v8_target_arch!=target_arch'
# Target not built with an Arm CXX compiler (simulator build).
'conditions': [
[ 'arm_float_abi=="hard"', {
'defines': [
'USE_EABI_HARDFLOAT=1',
],
}],
[ 'arm_float_abi=="softfp" or arm_float_abi=="default"', {
'defines': [
'USE_EABI_HARDFLOAT=0',
],
}],
],
}],
# Disable GCC LTO for v8
# v8 is optimized for speed. Because GCC LTO merges flags at link
# time, we disable LTO to prevent any -O2 flags from taking
# precedence over v8's -Os flag. However, LLVM LTO does not work
# this way so we keep LTO enabled under LLVM.
['clang==0 and use_lto==1', {
'cflags!': [
'-flto',
'-ffat-lto-objects',
],
}],
],
}], # _toolset=="target"
],
}], # v8_target_arch=="arm"
['v8_target_arch=="arm64"', {
'defines': [
'V8_TARGET_ARCH_ARM64',
],
}],
['v8_target_arch=="s390" or v8_target_arch=="s390x"', {
'defines': [
'V8_TARGET_ARCH_S390',
],
'conditions': [
['v8_target_arch=="s390x"', {
'defines': [
'V8_TARGET_ARCH_S390X',
],
}],
['v8_host_byteorder=="little"', {
'defines': [
'V8_TARGET_ARCH_S390_LE_SIM',
],
}, {
'cflags': [ '-march=z196' ],
}],
],
}], # s390
['v8_target_arch=="ppc" or v8_target_arch=="ppc64"', {
'defines': [
'V8_TARGET_ARCH_PPC',
],
'conditions': [
['v8_target_arch=="ppc64"', {
'defines': [
'V8_TARGET_ARCH_PPC64',
],
}],
['v8_host_byteorder=="little"', {
'defines': [
'V8_TARGET_ARCH_PPC_LE',
],
}],
['v8_host_byteorder=="big"', {
'defines': [
'V8_TARGET_ARCH_PPC_BE',
],
'conditions': [
['OS=="aix"', {
# Work around AIX ceil, trunc and round oddities.
'cflags': [ '-mcpu=power5+ -mfprnd' ],
}],
['OS=="aix"', {
# Work around AIX assembler popcntb bug.
'cflags': [ '-mno-popcntb' ],
}],
],
}],
],
}], # ppc
['v8_target_arch=="ia32"', {
'defines': [
'V8_TARGET_ARCH_IA32',
],
}], # v8_target_arch=="ia32"
['v8_target_arch=="x87"', {
'defines': [
'V8_TARGET_ARCH_X87',
],
'cflags': ['-march=i586'],
}], # v8_target_arch=="x87"
['v8_target_arch=="mips" or v8_target_arch=="mipsel" \
or v8_target_arch=="mips64" or v8_target_arch=="mips64el"', {
'target_conditions': [
['_toolset=="target"', {
'conditions': [
['v8_target_arch==target_arch', {
# Target built with a Mips CXX compiler.
'variables': {
'ldso_path%': '<!(/bin/echo -n $LDSO_PATH)',
'ld_r_path%': '<!(/bin/echo -n $LD_R_PATH)',
},
'conditions': [
['ldso_path!=""', {
'ldflags': ['-Wl,--dynamic-linker=<(ldso_path)'],
}],
['ld_r_path!=""', {
'ldflags': ['-Wl,--rpath=<(ld_r_path)'],
}],
[ 'clang==1', {
'cflags': ['-integrated-as'],
}],
['OS!="mac"', {
'defines': ['_MIPS_TARGET_HW',],
}, {
'defines': ['_MIPS_TARGET_SIMULATOR',],
}],
],
}, {
'defines': ['_MIPS_TARGET_SIMULATOR',],
}],
],
}], #'_toolset=="target"
['_toolset=="host"', {
'conditions': [
['v8_target_arch==target_arch and OS!="mac"', {
'defines': ['_MIPS_TARGET_HW',],
}, {
'defines': ['_MIPS_TARGET_SIMULATOR',],
}],
],
}], #'_toolset=="host"
],
}],
['v8_target_arch=="mips"', {
'defines': [
'V8_TARGET_ARCH_MIPS',
],
'conditions': [
[ 'v8_can_use_fpu_instructions=="true"', {
'defines': [
'CAN_USE_FPU_INSTRUCTIONS',
],
}],
[ 'v8_use_mips_abi_hardfloat=="true"', {
'defines': [
'__mips_hard_float=1',
'CAN_USE_FPU_INSTRUCTIONS',
],
}, {
'defines': [
'__mips_soft_float=1'
]
}],
],
'target_conditions': [
['_toolset=="target"', {
'conditions': [
['v8_target_arch==target_arch', {
# Target built with a Mips CXX compiler.
'cflags': [
'-EB',
'-Wno-error=array-bounds', # Workaround https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
],
'ldflags': ['-EB'],
'conditions': [
[ 'v8_use_mips_abi_hardfloat=="true"', {
'cflags': ['-mhard-float'],
'ldflags': ['-mhard-float'],
}, {
'cflags': ['-msoft-float'],
'ldflags': ['-msoft-float'],
}],
['mips_arch_variant=="r6"', {
'defines': [
'_MIPS_ARCH_MIPS32R6',
'FPU_MODE_FP64',
],
'cflags!': ['-mfp32', '-mfpxx'],
'conditions': [
[ 'clang==0', {
'cflags': ['-Wa,-mips32r6'],
}],
],
'cflags': ['-mips32r6'],
'ldflags': ['-mips32r6'],
}],
['mips_arch_variant=="r2"', {
'conditions': [
[ 'mips_fpu_mode=="fp64"', {
'defines': [
'_MIPS_ARCH_MIPS32R2',
'FPU_MODE_FP64',
],
'cflags': ['-mfp64'],
}],
['mips_fpu_mode=="fpxx"', {
'defines': [
'_MIPS_ARCH_MIPS32R2',
'FPU_MODE_FPXX',
],
'cflags': ['-mfpxx'],
}],
['mips_fpu_mode=="fp32"', {
'defines': [
'_MIPS_ARCH_MIPS32R2',
'FPU_MODE_FP32',
],
'cflags': ['-mfp32'],
}],
[ 'clang==0', {
'cflags': ['-Wa,-mips32r2'],
}],
],
'cflags': ['-mips32r2'],
'ldflags': ['-mips32r2'],
}],
['mips_arch_variant=="r1"', {
'defines': [
'FPU_MODE_FP32',
],
'cflags!': ['-mfp64', '-mfpxx'],
'conditions': [
[ 'clang==0', {
'cflags': ['-Wa,-mips32'],
}],
],
'cflags': ['-mips32'],
'ldflags': ['-mips32'],
}],
['mips_arch_variant=="rx"', {
'defines': [
'_MIPS_ARCH_MIPS32RX',
'FPU_MODE_FPXX',
],
'cflags!': ['-mfp64', '-mfp32'],
'conditions': [
[ 'clang==0', {
'cflags': ['-Wa,-mips32'],
}],
],
'cflags': ['-mips32', '-mfpxx'],
'ldflags': ['-mips32'],
}],
],
}, {
# 'v8_target_arch!=target_arch'
# Target not built with an MIPS CXX compiler (simulator build).
'conditions': [
['mips_arch_variant=="r6"', {
'defines': [
'_MIPS_ARCH_MIPS32R6',
'FPU_MODE_FP64',
],
}],
['mips_arch_variant=="r2"', {
'conditions': [
[ 'mips_fpu_mode=="fp64"', {
'defines': [
'_MIPS_ARCH_MIPS32R2',
'FPU_MODE_FP64',
],
}],
['mips_fpu_mode=="fpxx"', {
'defines': [
'_MIPS_ARCH_MIPS32R2',
'FPU_MODE_FPXX',
],
}],
['mips_fpu_mode=="fp32"', {
'defines': [
'_MIPS_ARCH_MIPS32R2',
'FPU_MODE_FP32',
],
}],
],
}],
['mips_arch_variant=="r1"', {
'defines': [
'FPU_MODE_FP32',
],
}],
['mips_arch_variant=="rx"', {
'defines': [
'_MIPS_ARCH_MIPS32RX',
'FPU_MODE_FPXX',
],
}],
],
}],
],
}], #_toolset=="target"
['_toolset=="host"', {
'conditions': [
['mips_arch_variant=="rx"', {
'defines': [
'_MIPS_ARCH_MIPS32RX',
'FPU_MODE_FPXX',
],
}],
['mips_arch_variant=="r6"', {
'defines': [
'_MIPS_ARCH_MIPS32R6',
'FPU_MODE_FP64',
],
}],
['mips_arch_variant=="r2"', {
'conditions': [
['mips_fpu_mode=="fp64"', {
'defines': [
'_MIPS_ARCH_MIPS32R2',
'FPU_MODE_FP64',
],
}],
['mips_fpu_mode=="fpxx"', {
'defines': [
'_MIPS_ARCH_MIPS32R2',
'FPU_MODE_FPXX',
],
}],
['mips_fpu_mode=="fp32"', {
'defines': [
'_MIPS_ARCH_MIPS32R2',
'FPU_MODE_FP32'
],
}],
],
}],
['mips_arch_variant=="r1"', {
'defines': ['FPU_MODE_FP32',],
}],
]
}], #_toolset=="host"
],
}], # v8_target_arch=="mips"
['v8_target_arch=="mipsel"', {
'defines': [
'V8_TARGET_ARCH_MIPS',
],
'conditions': [
[ 'v8_can_use_fpu_instructions=="true"', {
'defines': [
'CAN_USE_FPU_INSTRUCTIONS',
],
}],
[ 'v8_use_mips_abi_hardfloat=="true"', {
'defines': [
'__mips_hard_float=1',
'CAN_USE_FPU_INSTRUCTIONS',
],
}, {
'defines': [
'__mips_soft_float=1'
],
}],
],
'target_conditions': [
['_toolset=="target"', {
'conditions': [
['v8_target_arch==target_arch', {
# Target built with a Mips CXX compiler.
'cflags': [
'-EL',
'-Wno-error=array-bounds', # Workaround https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
],
'ldflags': ['-EL'],
'conditions': [
[ 'v8_use_mips_abi_hardfloat=="true"', {
'cflags': ['-mhard-float'],
'ldflags': ['-mhard-float'],
}, {
'cflags': ['-msoft-float'],
'ldflags': ['-msoft-float'],
}],
['mips_arch_variant=="r6"', {
'defines': [
'_MIPS_ARCH_MIPS32R6',
'FPU_MODE_FP64',
],
'cflags!': ['-mfp32', '-mfpxx'],
'conditions': [
[ 'clang==0', {
'cflags': ['-Wa,-mips32r6'],
}],
],
'cflags': ['-mips32r6'],
'ldflags': ['-mips32r6'],
}],
['mips_arch_variant=="r2"', {
'conditions': [
[ 'mips_fpu_mode=="fp64"', {
'defines': [
'_MIPS_ARCH_MIPS32R2',
'FPU_MODE_FP64',
],
'cflags': ['-mfp64'],
}],
['mips_fpu_mode=="fpxx"', {
'defines': [
'_MIPS_ARCH_MIPS32R2',
'FPU_MODE_FPXX',
],
'cflags': ['-mfpxx'],
}],
['mips_fpu_mode=="fp32"', {
'defines': [
'_MIPS_ARCH_MIPS32R2',
'FPU_MODE_FP32',
],
'cflags': ['-mfp32'],
}],
[ 'clang==0', {
'cflags': ['-Wa,-mips32r2'],
}],
],
'cflags': ['-mips32r2'],
'ldflags': ['-mips32r2'],
}],
['mips_arch_variant=="r1"', {
'defines': [
'FPU_MODE_FP32',
],
'cflags!': ['-mfp64', '-mfpxx'],
'conditions': [
[ 'clang==0', {
'cflags': ['-Wa,-mips32'],
}],
],
'cflags': ['-mips32'],
'ldflags': ['-mips32'],
}],
['mips_arch_variant=="rx"', {
'defines': [
'_MIPS_ARCH_MIPS32RX',
'FPU_MODE_FPXX',
],
'cflags!': ['-mfp64', '-mfp32'],
'conditions': [
[ 'clang==0', {
'cflags': ['-Wa,-mips32'],
}],
],
'cflags': ['-mips32', '-mfpxx'],
'ldflags': ['-mips32'],
}],
['mips_arch_variant=="loongson"', {
'defines': [
'_MIPS_ARCH_LOONGSON',
'FPU_MODE_FP32',
],
'cflags!': ['-mfp64', '-mfpxx'],
'conditions': [
[ 'clang==0', {
'cflags': ['-Wa,-mips3'],
}],
],
'cflags': ['-mips3', '-mfp32'],
}],
],
}, {
# 'v8_target_arch!=target_arch'
# Target not built with an MIPS CXX compiler (simulator build).
'conditions': [
['mips_arch_variant=="r6"', {
'defines': [
'_MIPS_ARCH_MIPS32R6',
'FPU_MODE_FP64',
],
}],
['mips_arch_variant=="r2"', {
'conditions': [
[ 'mips_fpu_mode=="fp64"', {
'defines': [
'_MIPS_ARCH_MIPS32R2',
'FPU_MODE_FP64',
],
}],
['mips_fpu_mode=="fpxx"', {
'defines': [
'_MIPS_ARCH_MIPS32R2',
'FPU_MODE_FPXX',
],
}],
['mips_fpu_mode=="fp32"', {
'defines': [
'_MIPS_ARCH_MIPS32R2',
'FPU_MODE_FP32',
],
}],
],
}],
['mips_arch_variant=="r1"', {
'defines': [
'FPU_MODE_FP32',
],
}],
['mips_arch_variant=="rx"', {
'defines': [
'_MIPS_ARCH_MIPS32RX',
'FPU_MODE_FPXX',
],
}],
['mips_arch_variant=="loongson"', {
'defines': [
'_MIPS_ARCH_LOONGSON',
'FPU_MODE_FP32',
],
}],
],
}],
],
}], #_toolset=="target
['_toolset=="host"', {
'conditions': [
['mips_arch_variant=="rx"', {
'defines': [
'_MIPS_ARCH_MIPS32RX',
'FPU_MODE_FPXX',
],
}],
['mips_arch_variant=="r6"', {
'defines': [
'_MIPS_ARCH_MIPS32R6',
'FPU_MODE_FP64',
],
}],
['mips_arch_variant=="r2"', {
'conditions': [
['mips_fpu_mode=="fp64"', {
'defines': [
'_MIPS_ARCH_MIPS32R2',
'FPU_MODE_FP64',
],
}],
['mips_fpu_mode=="fpxx"', {
'defines': [
'_MIPS_ARCH_MIPS32R2',
'FPU_MODE_FPXX',
],
}],
['mips_fpu_mode=="fp32"', {
'defines': [
'_MIPS_ARCH_MIPS32R2',
'FPU_MODE_FP32'
],
}],
],
}],
['mips_arch_variant=="r1"', {
'defines': ['FPU_MODE_FP32',],
}],
['mips_arch_variant=="loongson"', {
'defines': [
'_MIPS_ARCH_LOONGSON',
'FPU_MODE_FP32',
],
}],
]
}],
],
}], # v8_target_arch=="mipsel"
['v8_target_arch=="mips64el" or v8_target_arch=="mips64"', {
'defines': [
'V8_TARGET_ARCH_MIPS64',
],
'conditions': [
[ 'v8_can_use_fpu_instructions=="true"', {
'defines': [
'CAN_USE_FPU_INSTRUCTIONS',
],
}],
[ 'v8_host_byteorder=="little"', {
'defines': [
'V8_TARGET_ARCH_MIPS64_LE',
],
}],
[ 'v8_host_byteorder=="big"', {
'defines': [
'V8_TARGET_ARCH_MIPS64_BE',
],
}],
[ 'v8_use_mips_abi_hardfloat=="true"', {
'defines': [
'__mips_hard_float=1',
'CAN_USE_FPU_INSTRUCTIONS',
],
}, {
'defines': [
'__mips_soft_float=1'
],
}],
],
'target_conditions': [
['_toolset=="target"', {
'conditions': [
['v8_target_arch==target_arch', {
'cflags': [
'-Wno-error=array-bounds', # Workaround https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
],
'conditions': [
['v8_target_arch=="mips64el"', {
'cflags': ['-EL'],
'ldflags': ['-EL'],
}],
['v8_target_arch=="mips64"', {
'cflags': ['-EB'],
'ldflags': ['-EB'],
}],
[ 'v8_use_mips_abi_hardfloat=="true"', {
'cflags': ['-mhard-float'],
'ldflags': ['-mhard-float'],
}, {
'cflags': ['-msoft-float'],
'ldflags': ['-msoft-float'],
}],
['mips_arch_variant=="r6"', {
'defines': ['_MIPS_ARCH_MIPS64R6',],
'conditions': [
[ 'clang==0', {
'cflags': ['-Wa,-mips64r6'],
}],
],
'cflags': ['-mips64r6', '-mabi=64'],
'ldflags': ['-mips64r6', '-mabi=64'],
}],
['mips_arch_variant=="r2"', {
'defines': ['_MIPS_ARCH_MIPS64R2',],
'conditions': [
[ 'clang==0', {
'cflags': ['-Wa,-mips64r2'],
}],
],
'cflags': ['-mips64r2', '-mabi=64'],
'ldflags': ['-mips64r2', '-mabi=64'],
}],
],
}, {
# 'v8_target_arch!=target_arch'
# Target not built with an MIPS CXX compiler (simulator build).
'conditions': [
['mips_arch_variant=="r6"', {
'defines': ['_MIPS_ARCH_MIPS64R6',],
}],
['mips_arch_variant=="r2"', {
'defines': ['_MIPS_ARCH_MIPS64R2',],
}],
],
}],
],
}], #'_toolset=="target"
['_toolset=="host"', {
'conditions': [
['mips_arch_variant=="r6"', {
'defines': ['_MIPS_ARCH_MIPS64R6',],
}],
['mips_arch_variant=="r2"', {
'defines': ['_MIPS_ARCH_MIPS64R2',],
}],
],
}], #'_toolset=="host"
],
}], # v8_target_arch=="mips64el"
['v8_target_arch=="x64"', {
'defines': [
'V8_TARGET_ARCH_X64',
],
'xcode_settings': {
'ARCHS': [ 'x86_64' ],
},
'msvs_settings': {
'VCLinkerTool': {
'StackReserveSize': '2097152',
},
},
'msvs_configuration_platform': 'x64',
}], # v8_target_arch=="x64"
['v8_target_arch=="x32"', {
'defines': [
# x32 port shares the source code with x64 port.
'V8_TARGET_ARCH_X64',
'V8_TARGET_ARCH_32_BIT',
],
'cflags': [
'-mx32',
# Inhibit warning if long long type is used.
'-Wno-long-long',
],
'ldflags': [
'-mx32',
],
}], # v8_target_arch=="x32"
['linux_use_gold_flags==1', {
# Newer gccs and clangs support -fuse-ld, use the flag to force gold
# selection.
# gcc -- http://gcc.gnu.org/onlinedocs/gcc-4.8.0/gcc/Optimize-Options.html
'ldflags': [ '-fuse-ld=gold', ],
}],
['linux_use_bundled_binutils==1', {
'cflags': [
'-B<!(cd <(DEPTH) && pwd -P)/<(binutils_dir)',
],
}],
['linux_use_bundled_gold==1', {
# Put our binutils, which contains gold in the search path. We pass
# the path to gold to the compiler. gyp leaves unspecified what the
# cwd is when running the compiler, so the normal gyp path-munging
# fails us. This hack gets the right path.
'ldflags': [
'-B<!(cd <(DEPTH) && pwd -P)/<(binutils_dir)',
],
}],
['OS=="win"', {
'defines': [
'WIN32',
],
# 4351: VS 2005 and later are warning us that they've fixed a bug
# present in VS 2003 and earlier.
'msvs_disabled_warnings': [4351],
'msvs_configuration_attributes': {
'CharacterSet': '1',
},
}],
['OS=="win" and v8_target_arch=="ia32"', {
'msvs_settings': {
'VCCLCompilerTool': {
# Ensure no surprising artifacts from 80bit double math with x86.
'AdditionalOptions': ['/arch:SSE2'],
},
},
}],
['OS=="win" and v8_enable_prof==1', {
'msvs_settings': {
'VCLinkerTool': {
'GenerateMapFile': 'true',
},
},
}],
['(OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
or OS=="netbsd" or OS=="mac" or OS=="android" or OS=="qnx") and \
v8_target_arch=="ia32"', {
'cflags': [
'-msse2',
'-mfpmath=sse',
'-mmmx', # Allows mmintrin.h for MMX intrinsics.
],
}],
['(OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
or OS=="netbsd" or OS=="mac" or OS=="android" or OS=="qnx") and \
(v8_target_arch=="arm" or v8_target_arch=="ia32" or \
v8_target_arch=="x87" or v8_target_arch=="mips" or \
v8_target_arch=="mipsel" or v8_target_arch=="ppc" or \
v8_target_arch=="s390")', {
'target_conditions': [
['_toolset=="host"', {
'conditions': [
['host_cxx_is_biarch==1', {
'conditions': [
['host_arch=="s390" or host_arch=="s390x"', {
'cflags': [ '-m31' ],
'ldflags': [ '-m31' ]
},{
'cflags': [ '-m32' ],
'ldflags': [ '-m32' ]
}],
],
}],
],
'xcode_settings': {
'ARCHS': [ 'i386' ],
},
}],
['_toolset=="target"', {
'conditions': [
['target_cxx_is_biarch==1', {
'conditions': [
['host_arch=="s390" or host_arch=="s390x"', {
'cflags': [ '-m31' ],
'ldflags': [ '-m31' ]
},{
'cflags': [ '-m32' ],
'ldflags': [ '-m32' ],
}],
],
}],
],
'xcode_settings': {
'ARCHS': [ 'i386' ],
},
}],
],
}],
['(OS=="linux" or OS=="android") and \
(v8_target_arch=="x64" or v8_target_arch=="arm64" or \
v8_target_arch=="ppc64" or v8_target_arch=="s390x")', {
'target_conditions': [
['_toolset=="host"', {
'conditions': [
['host_cxx_is_biarch==1', {
'cflags': [ '-m64' ],
'ldflags': [ '-m64' ]
}],
],
}],
['_toolset=="target"', {
'conditions': [
['target_cxx_is_biarch==1', {
'cflags': [ '-m64' ],
'ldflags': [ '-m64' ],
}],
]
}],
],
}],
['OS=="android" and v8_android_log_stdout==1', {
'defines': [
'V8_ANDROID_LOG_STDOUT',
],
}],
['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
or OS=="netbsd" or OS=="qnx" or OS=="aix"', {
'conditions': [
[ 'v8_no_strict_aliasing==1', {
'cflags': [ '-fno-strict-aliasing' ],
}],
], # conditions
}],
['OS=="solaris"', {
'defines': [ '__C99FEATURES__=1' ], # isinf() etc.
}],
['OS=="freebsd" or OS=="openbsd"', {
'cflags': [ '-I/usr/local/include' ],
}],
['OS=="netbsd"', {
'cflags': [ '-I/usr/pkg/include' ],
}],
['OS=="aix"', {
'defines': [
# Support for malloc(0)
'_LINUX_SOURCE_COMPAT=1',
'__STDC_FORMAT_MACROS',
'_ALL_SOURCE=1'],
'conditions': [
[ 'v8_target_arch=="ppc"', {
'ldflags': [ '-Wl,-bmaxdata:0x60000000/dsa' ],
}],
[ 'v8_target_arch=="ppc64"', {
'cflags': [ '-maix64' ],
'ldflags': [ '-maix64 -Wl,-bbigtoc' ],
}],
],
}],
], # conditions
'configurations': {
# Abstract configuration for v8_optimized_debug == 0.
'DebugBase0': {
'abstract': 1,
'msvs_settings': {
'VCCLCompilerTool': {
'Optimization': '0',
'conditions': [
['component=="shared_library" or force_dynamic_crt==1', {
'RuntimeLibrary': '3', # /MDd
}, {
'RuntimeLibrary': '1', # /MTd
}],
],
},
'VCLinkerTool': {
'LinkIncremental': '2',
},
},
'variables': {
'v8_enable_slow_dchecks%': 1,
},
'conditions': [
['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd" or \
OS=="qnx" or OS=="aix"', {
'cflags!': [
'-O3',
'-O2',
'-O1',
'-Os',
],
'cflags': [
'-fdata-sections',
'-ffunction-sections',
],
}],
['OS=="mac"', {
'xcode_settings': {
'GCC_OPTIMIZATION_LEVEL': '0', # -O0
},
}],
['v8_enable_slow_dchecks==1', {
'defines': [
'ENABLE_SLOW_DCHECKS',
],
}],
],
}, # DebugBase0
# Abstract configuration for v8_optimized_debug == 1.
'DebugBase1': {
'abstract': 1,
'msvs_settings': {
'VCCLCompilerTool': {
'Optimization': '2',
'InlineFunctionExpansion': '2',
'EnableIntrinsicFunctions': 'true',
'FavorSizeOrSpeed': '0',
'StringPooling': 'true',
'BasicRuntimeChecks': '0',
'conditions': [
['component=="shared_library" or force_dynamic_crt==1', {
'RuntimeLibrary': '3', #/MDd
}, {
'RuntimeLibrary': '1', #/MTd
}],
],
},
'VCLinkerTool': {
'LinkIncremental': '1',
'OptimizeReferences': '2',
'EnableCOMDATFolding': '2',
},
},
'variables': {
'v8_enable_slow_dchecks%': 0,
},
'conditions': [
['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd" or \
OS=="qnx" or OS=="aix"', {
'cflags!': [
'-O0',
'-O1',
'-Os',
],
'cflags': [
'-fdata-sections',
'-ffunction-sections',
],
'conditions': [
# Don't use -O3 with sanitizers.
['asan==0 and msan==0 and lsan==0 \
and tsan==0 and ubsan==0 and ubsan_vptr==0', {
'cflags': ['-O3'],
'cflags!': ['-O2'],
}, {
'cflags': ['-O2'],
'cflags!': ['-O3'],
}],
],
}],
['OS=="mac"', {
'xcode_settings': {
'GCC_OPTIMIZATION_LEVEL': '3', # -O3
'GCC_STRICT_ALIASING': 'YES',
},
}],
['v8_enable_slow_dchecks==1', {
'defines': [
'ENABLE_SLOW_DCHECKS',
],
}],
],
}, # DebugBase1
# Common settings for the Debug configuration.
'DebugBaseCommon': {
'abstract': 1,
'defines': [
'ENABLE_DISASSEMBLER',
'V8_ENABLE_CHECKS',
'OBJECT_PRINT',
'VERIFY_HEAP',
'DEBUG',
'TRACE_MAPS'
],
'conditions': [
['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd" or \
OS=="qnx" or OS=="aix"', {
'cflags': [ '-Woverloaded-virtual', '<(wno_array_bounds)', ],
}],
['OS=="linux" and v8_enable_backtrace==1', {
# Support for backtrace_symbols.
'ldflags': [ '-rdynamic' ],
}],
['OS=="linux" and disable_glibcxx_debug==0', {
# Enable libstdc++ debugging facilities to help catch problems
# early, see http://crbug.com/65151 .
'defines': ['_GLIBCXX_DEBUG=1',],
}],
['OS=="aix"', {
'ldflags': [ '-Wl,-bbigtoc' ],
'conditions': [
['v8_target_arch=="ppc64"', {
'cflags': [ '-maix64 -mcmodel=large' ],
}],
],
}],
['OS=="android"', {
'variables': {
'android_full_debug%': 1,
},
'conditions': [
['android_full_debug==0', {
# Disable full debug if we want a faster v8 in a debug build.
# TODO(2304): pass DISABLE_DEBUG_ASSERT instead of hiding DEBUG.
'defines!': [
'DEBUG',
'ENABLE_SLOW_DCHECKS',
],
}],
],
}],
# TODO(pcc): Re-enable in LTO builds once we've fixed the intermittent
# link failures (crbug.com/513074).
['linux_use_gold_flags==1 and use_lto==0', {
'target_conditions': [
['_toolset=="target"', {
'ldflags': [
# Experimentation found that using four linking threads
# saved ~20% of link time.
# https://groups.google.com/a/chromium.org/group/chromium-dev/browse_thread/thread/281527606915bb36
# Only apply this to the target linker, since the host
# linker might not be gold, but isn't used much anyway.
'-Wl,--threads',
'-Wl,--thread-count=4',
],
}],
],
}],
],
}, # DebugBaseCommon
'Debug': {
'inherit_from': ['DebugBaseCommon'],
'conditions': [
['v8_optimized_debug==0', {
'inherit_from': ['DebugBase0'],
}, {
'inherit_from': ['DebugBase1'],
}],
],
}, # Debug
'ReleaseBase': {
'abstract': 1,
'variables': {
'v8_enable_slow_dchecks%': 0,
},
'conditions': [
['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd" \
or OS=="aix"', {
'cflags!': [
'-Os',
],
'cflags': [
'-fdata-sections',
'-ffunction-sections',
'<(wno_array_bounds)',
],
'conditions': [
# Don't use -O3 with sanitizers.
['asan==0 and msan==0 and lsan==0 \
and tsan==0 and ubsan==0 and ubsan_vptr==0', {
'cflags': ['-O3'],
'cflags!': ['-O2'],
}, {
'cflags': ['-O2'],
'cflags!': ['-O3'],
}],
],
}],
['OS=="android"', {
'cflags!': [
'-O3',
'-Os',
],
'cflags': [
'-fdata-sections',
'-ffunction-sections',
'-O2',
],
}],
['OS=="mac"', {
'xcode_settings': {
'GCC_OPTIMIZATION_LEVEL': '3', # -O3
# -fstrict-aliasing. Mainline gcc
# enables this at -O2 and above,
# but Apple gcc does not unless it
# is specified explicitly.
'GCC_STRICT_ALIASING': 'YES',
},
}], # OS=="mac"
['OS=="win"', {
'msvs_settings': {
'VCCLCompilerTool': {
'Optimization': '2',
'InlineFunctionExpansion': '2',
'EnableIntrinsicFunctions': 'true',
'FavorSizeOrSpeed': '0',
'StringPooling': 'true',
'conditions': [
['component=="shared_library" or force_dynamic_crt==1', {
'RuntimeLibrary': '2', #/MD
}, {
'RuntimeLibrary': '0', #/MT
}],
],
},
'VCLinkerTool': {
'LinkIncremental': '1',
'OptimizeReferences': '2',
'EnableCOMDATFolding': '2',
},
},
}], # OS=="win"
['v8_enable_slow_dchecks==1', {
'defines': [
'ENABLE_SLOW_DCHECKS',
],
}],
], # conditions
}, # Release
'Release': {
'inherit_from': ['ReleaseBase'],
}, # Debug
'conditions': [
[ 'OS=="win"', {
# TODO(bradnelson): add a gyp mechanism to make this more graceful.
'Debug_x64': {
'inherit_from': ['DebugBaseCommon'],
'conditions': [
['v8_optimized_debug==0', {
'inherit_from': ['DebugBase0'],
}, {
'inherit_from': ['DebugBase1'],
}],
],
},
'Release_x64': {
'inherit_from': ['ReleaseBase'],
},
}],
],
}, # configurations
}, # target_defaults
}