# Copyright 2012 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': {
'use_system_v8%': 0,
'msvs_use_common_release': 0,
'gcc_version%': 'unknown',
'v8_compress_startup_data%': 'off',
'v8_target_arch%': '<(target_arch)',
# Setting 'v8_can_use_unaligned_accesses' to 'true' will allow the code
# generated by V8 to do unaligned memory access, and setting it to 'false'
# will ensure that the generated code will always do aligned memory
# accesses. The default value of 'default' will try to determine the correct
# setting. Note that for Intel architectures (ia32 and x64) unaligned memory
# access is allowed for all CPUs.
'v8_can_use_unaligned_accesses%': 'default',
# Setting 'v8_can_use_vfp_instructions' to 'true' will enable use of ARM VFP
# instructions in the V8 generated code. VFP instructions will be enabled
# both for the snapshot and for the ARM target. Leaving the default value
# of 'false' will avoid VFP instructions in the snapshot and use CPU feature
# probing when running on the target.
'v8_can_use_vfp_instructions%': 'false',
# Similar to vfp but on MIPS.
'v8_can_use_fpu_instructions%': 'true',
# Setting v8_use_arm_eabi_hardfloat to true will turn on V8 support for ARM
# EABI calling convention where double arguments are passed in VFP
# registers. Note that the GCC flag '-mfloat-abi=hard' should be used as
# well when compiling for the ARM target.
'v8_use_arm_eabi_hardfloat%': 'false',
# Similar to the ARM hard float ABI but on MIPS.
'v8_use_mips_abi_hardfloat%': 'true',
# Default arch variant for MIPS.
'mips_arch_variant%': 'mips32r2',
'v8_enable_debugger_support%': 1,
'v8_enable_disassembler%': 0,
'v8_object_print%': 0,
'v8_enable_gdbjit%': 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 build/standalone.gypi.
'want_separate_host_toolset%': 1,
'v8_use_snapshot%': 'true',
'host_os%': '<(OS)',
'v8_use_liveobjectlist%': 'false',
'werror%': '-Werror',
# With post mortem support enabled, metadata is embedded into libv8 that
# describes various parameters of the VM for use by debuggers. See
# tools/gen-postmortem-metadata.py for details.
'v8_postmortem_support%': 'false',
# For a shared library build, results in "libv8-<(soname_version).so".
'soname_version%': '',
},
'target_defaults': {
'conditions': [
['v8_enable_debugger_support==1', {
'defines': ['ENABLE_DEBUGGER_SUPPORT',],
}],
['v8_enable_disassembler==1', {
'defines': ['ENABLE_DISASSEMBLER',],
}],
['v8_object_print==1', {
'defines': ['OBJECT_PRINT',],
}],
['v8_enable_gdbjit==1', {
'defines': ['ENABLE_GDB_JIT_INTERFACE',],
}],
['OS!="mac"', {
# TODO(mark): The OS!="mac" conditional is temporary. It can be
# removed once the Mac Chromium build stops setting target_arch to
# ia32 and instead sets it to mac. Other checks in this file for
# OS=="mac" can be removed at that time as well. This can be cleaned
# up once http://crbug.com/44205 is fixed.
'conditions': [
['v8_target_arch=="arm"', {
'defines': [
'V8_TARGET_ARCH_ARM',
],
'conditions': [
[ 'v8_can_use_unaligned_accesses=="true"', {
'defines': [
'CAN_USE_UNALIGNED_ACCESSES=1',
],
}],
[ 'v8_can_use_unaligned_accesses=="false"', {
'defines': [
'CAN_USE_UNALIGNED_ACCESSES=0',
],
}],
[ 'v8_can_use_vfp_instructions=="true"', {
'defines': [
'CAN_USE_VFP_INSTRUCTIONS',
],
}],
[ 'v8_use_arm_eabi_hardfloat=="true"', {
'defines': [
'USE_EABI_HARDFLOAT=1',
'CAN_USE_VFP_INSTRUCTIONS',
],
'cflags': [
'-mfloat-abi=hard',
],
}, {
'defines': [
'USE_EABI_HARDFLOAT=0',
],
}],
# The ARM assembler assumes the host is 32 bits,
# so force building 32-bit host tools.
['host_arch=="x64" or OS=="android"', {
'target_conditions': [
['_toolset=="host"', {
'cflags': ['-m32'],
'ldflags': ['-m32'],
}],
],
}],
],
}],
['v8_target_arch=="ia32"', {
'defines': [
'V8_TARGET_ARCH_IA32',
],
}],
['v8_target_arch=="mips"', {
'defines': [
'V8_TARGET_ARCH_MIPS',
],
'conditions': [
[ 'target_arch=="mips"', {
'target_conditions': [
['_toolset=="target"', {
'cflags': ['-EL'],
'ldflags': ['-EL'],
'conditions': [
[ 'v8_use_mips_abi_hardfloat=="true"', {
'cflags': ['-mhard-float'],
'ldflags': ['-mhard-float'],
}, {
'cflags': ['-msoft-float'],
'ldflags': ['-msoft-float'],
}],
['mips_arch_variant=="mips32r2"', {
'cflags': ['-mips32r2', '-Wa,-mips32r2'],
}],
['mips_arch_variant=="loongson"', {
'cflags': ['-mips3', '-Wa,-mips3'],
}, {
'cflags': ['-mips32', '-Wa,-mips32'],
}],
],
}],
],
}],
[ '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'
],
}],
['mips_arch_variant=="mips32r2"', {
'defines': ['_MIPS_ARCH_MIPS32R2',],
}],
['mips_arch_variant=="loongson"', {
'defines': ['_MIPS_ARCH_LOONGSON',],
}],
# The MIPS assembler assumes the host is 32 bits,
# so force building 32-bit host tools.
['host_arch=="x64"', {
'target_conditions': [
['_toolset=="host"', {
'cflags': ['-m32'],
'ldflags': ['-m32'],
}],
],
}],
],
}],
['v8_target_arch=="x64"', {
'defines': [
'V8_TARGET_ARCH_X64',
],
}],
],
}],
['v8_use_liveobjectlist=="true"', {
'defines': [
'ENABLE_DEBUGGER_SUPPORT',
'INSPECTOR',
'OBJECT_PRINT',
'LIVEOBJECTLIST',
],
}],
['v8_compress_startup_data=="bz2"', {
'defines': [
'COMPRESS_STARTUP_DATA_BZ2',
],
}],
['OS=="win"', {
'defines': [
'WIN32',
],
}],
['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"', {
'conditions': [
[ 'target_arch=="ia32"', {
'cflags': [ '-m32' ],
'ldflags': [ '-m32' ],
}],
[ 'v8_no_strict_aliasing==1', {
'cflags': [ '-fno-strict-aliasing' ],
}],
], # conditions
}],
['OS=="solaris"', {
'defines': [ '__C99FEATURES__=1' ], # isinf() etc.
}],
], # conditions
'configurations': {
'Debug': {
'defines': [
'DEBUG',
'ENABLE_DISASSEMBLER',
'V8_ENABLE_CHECKS',
'OBJECT_PRINT',
],
'msvs_settings': {
'VCCLCompilerTool': {
'Optimization': '0',
'conditions': [
['OS=="win" and component=="shared_library"', {
'RuntimeLibrary': '3', # /MDd
}, {
'RuntimeLibrary': '1', # /MTd
}],
],
},
'VCLinkerTool': {
'LinkIncremental': '2',
# For future reference, the stack size needs to be increased
# when building for Windows 64-bit, otherwise some test cases
# can cause stack overflow.
# 'StackReserveSize': '297152',
},
},
'conditions': [
['OS=="freebsd" or OS=="openbsd"', {
'cflags': [ '-I/usr/local/include' ],
}],
['OS=="netbsd"', {
'cflags': [ '-I/usr/pkg/include' ],
}],
['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd"', {
'cflags': [ '-Wall', '<(werror)', '-W', '-Wno-unused-parameter',
'-Wnon-virtual-dtor', '-Woverloaded-virtual' ],
}],
],
}, # Debug
'Release': {
'conditions': [
['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd" \
or OS=="android"', {
'cflags!': [
'-O2',
'-Os',
],
'cflags': [
'-fdata-sections',
'-ffunction-sections',
'-fomit-frame-pointer',
'-O3',
],
'conditions': [
[ 'gcc_version==44 and clang==0', {
'cflags': [
# Avoid crashes with gcc 4.4 in the v8 test suite.
'-fno-tree-vrp',
],
}],
],
}],
['OS=="freebsd" or OS=="openbsd"', {
'cflags': [ '-I/usr/local/include' ],
}],
['OS=="netbsd"', {
'cflags': [ '-I/usr/pkg/include' ],
}],
['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_configuration_attributes': {
'OutputDirectory': '<(DEPTH)\\build\\$(ConfigurationName)',
'IntermediateDirectory': '$(OutDir)\\obj\\$(ProjectName)',
'CharacterSet': '1',
},
'msvs_settings': {
'VCCLCompilerTool': {
'Optimization': '2',
'InlineFunctionExpansion': '2',
'EnableIntrinsicFunctions': 'true',
'FavorSizeOrSpeed': '0',
'OmitFramePointers': 'true',
'StringPooling': 'true',
'conditions': [
['OS=="win" and component=="shared_library"', {
'RuntimeLibrary': '2', #/MD
}, {
'RuntimeLibrary': '0', #/MT
}],
],
},
'VCLinkerTool': {
'LinkIncremental': '1',
'OptimizeReferences': '2',
'OptimizeForWindows98': '1',
'EnableCOMDATFolding': '2',
# For future reference, the stack size needs to be
# increased when building for Windows 64-bit, otherwise
# some test cases can cause stack overflow.
# 'StackReserveSize': '297152',
},
},
}], # OS=="win"
], # conditions
}, # Release
}, # configurations
}, # target_defaults
}