5da9e75670
These were introduced in r7012 and r6379. The reason for this is that both features are not being maintained. They have been out-of-date for a while. Test cases do not exist. R=mstarzinger@chromium.org BUG= Review URL: https://chromiumcodereview.appspot.com/11975012 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13404 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
465 lines
16 KiB
Python
465 lines
16 KiB
Python
# Copyright 2012 the V8 project authors. All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# Shared definitions for all V8-related targets.
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{
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'variables': {
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'use_system_v8%': 0,
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'msvs_use_common_release': 0,
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'gcc_version%': 'unknown',
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'v8_compress_startup_data%': 'off',
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'v8_target_arch%': '<(target_arch)',
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# Setting 'v8_can_use_unaligned_accesses' to 'true' will allow the code
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# generated by V8 to do unaligned memory access, and setting it to 'false'
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# will ensure that the generated code will always do aligned memory
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# accesses. The default value of 'default' will try to determine the correct
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# setting. Note that for Intel architectures (ia32 and x64) unaligned memory
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# access is allowed for all CPUs.
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'v8_can_use_unaligned_accesses%': 'default',
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# Setting 'v8_can_use_vfp2_instructions' to 'true' will enable use of ARM VFP
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# instructions in the V8 generated code. VFP instructions will be enabled
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# both for the snapshot and for the ARM target. Leaving the default value
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# of 'false' will avoid VFP instructions in the snapshot and use CPU feature
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# probing when running on the target.
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'v8_can_use_vfp2_instructions%': 'false',
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'v8_can_use_vfp3_instructions%': 'false',
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# Similar to vfp but on MIPS.
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'v8_can_use_fpu_instructions%': 'true',
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# Setting v8_use_arm_eabi_hardfloat to true will turn on V8 support for ARM
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# EABI calling convention where double arguments are passed in VFP
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# registers. Note that the GCC flag '-mfloat-abi=hard' should be used as
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# well when compiling for the ARM target.
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'v8_use_arm_eabi_hardfloat%': 'false',
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# Similar to the ARM hard float ABI but on MIPS.
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'v8_use_mips_abi_hardfloat%': 'true',
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# Default arch variant for MIPS.
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'mips_arch_variant%': 'mips32r2',
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'v8_enable_latin_1%': 0,
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'v8_enable_debugger_support%': 1,
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'v8_enable_backtrace%': 0,
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'v8_enable_disassembler%': 0,
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'v8_enable_gdbjit%': 0,
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'v8_object_print%': 0,
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# Enable profiling support. Only required on Windows.
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'v8_enable_prof%': 0,
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'v8_enable_verify_heap%': 0,
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# Some versions of GCC 4.5 seem to need -fno-strict-aliasing.
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'v8_no_strict_aliasing%': 0,
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# Chrome needs this definition unconditionally. For standalone V8 builds,
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# it's handled in build/standalone.gypi.
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'want_separate_host_toolset%': 1,
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'v8_use_snapshot%': 'true',
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'host_os%': '<(OS)',
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'werror%': '-Werror',
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# With post mortem support enabled, metadata is embedded into libv8 that
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# describes various parameters of the VM for use by debuggers. See
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# tools/gen-postmortem-metadata.py for details.
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'v8_postmortem_support%': 'false',
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# For a shared library build, results in "libv8-<(soname_version).so".
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'soname_version%': '',
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# Interpreted regexp engine exists as platform-independent alternative
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# based where the regular expression is compiled to a bytecode.
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'v8_interpreted_regexp%': 0,
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},
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'target_defaults': {
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'conditions': [
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['v8_enable_latin_1==1', {
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'defines': ['ENABLE_LATIN_1',],
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}],
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['v8_enable_debugger_support==1', {
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'defines': ['ENABLE_DEBUGGER_SUPPORT',],
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}],
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['v8_enable_disassembler==1', {
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'defines': ['ENABLE_DISASSEMBLER',],
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}],
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['v8_enable_gdbjit==1', {
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'defines': ['ENABLE_GDB_JIT_INTERFACE',],
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}],
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['v8_object_print==1', {
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'defines': ['OBJECT_PRINT',],
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}],
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['v8_enable_verify_heap==1', {
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'defines': ['VERIFY_HEAP',],
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}],
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['v8_interpreted_regexp==1', {
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'defines': ['V8_INTERPRETED_REGEXP',],
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}],
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['v8_target_arch=="arm"', {
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'defines': [
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'V8_TARGET_ARCH_ARM',
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],
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'conditions': [
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['armv7==1', {
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'defines': [
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'CAN_USE_ARMV7_INSTRUCTIONS=1',
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],
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}],
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[ 'v8_can_use_unaligned_accesses=="true"', {
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'defines': [
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'CAN_USE_UNALIGNED_ACCESSES=1',
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],
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}],
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[ 'v8_can_use_unaligned_accesses=="false"', {
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'defines': [
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'CAN_USE_UNALIGNED_ACCESSES=0',
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],
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}],
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# NEON implies VFP3 and VFP3 implies VFP2.
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[ 'v8_can_use_vfp2_instructions=="true" or arm_neon==1 or \
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arm_fpu=="vfpv3" or arm_fpu=="vfpv3-d16"', {
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'defines': [
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'CAN_USE_VFP2_INSTRUCTIONS',
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],
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}],
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# NEON implies VFP3.
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[ 'v8_can_use_vfp3_instructions=="true" or arm_neon==1 or \
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arm_fpu=="vfpv3" or arm_fpu=="vfpv3-d16"', {
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'defines': [
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'CAN_USE_VFP3_INSTRUCTIONS',
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],
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}],
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[ 'v8_use_arm_eabi_hardfloat=="true"', {
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'defines': [
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'USE_EABI_HARDFLOAT=1',
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'CAN_USE_VFP2_INSTRUCTIONS',
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],
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'target_conditions': [
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['_toolset=="target"', {
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'cflags': ['-mfloat-abi=hard',],
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}],
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],
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}, {
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'defines': [
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'USE_EABI_HARDFLOAT=0',
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],
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}],
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],
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}], # v8_target_arch=="arm"
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['v8_target_arch=="ia32"', {
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'defines': [
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'V8_TARGET_ARCH_IA32',
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],
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}], # v8_target_arch=="ia32"
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['v8_target_arch=="mipsel"', {
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'defines': [
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'V8_TARGET_ARCH_MIPS',
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],
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'variables': {
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'mipscompiler': '<!($(echo ${CXX:-$(which g++)}) -v 2>&1 | grep -q "^Target: mips" && echo "yes" || echo "no")',
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},
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'conditions': [
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['mipscompiler=="yes"', {
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'target_conditions': [
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['_toolset=="target"', {
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'cflags': ['-EL'],
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'ldflags': ['-EL'],
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'conditions': [
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[ 'v8_use_mips_abi_hardfloat=="true"', {
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'cflags': ['-mhard-float'],
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'ldflags': ['-mhard-float'],
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}, {
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'cflags': ['-msoft-float'],
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'ldflags': ['-msoft-float'],
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}],
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['mips_arch_variant=="mips32r2"', {
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'cflags': ['-mips32r2', '-Wa,-mips32r2'],
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}],
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['mips_arch_variant=="mips32r1"', {
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'cflags': ['-mips32', '-Wa,-mips32'],
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}],
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['mips_arch_variant=="loongson"', {
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'cflags': ['-mips3', '-Wa,-mips3'],
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}],
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],
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}],
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],
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}],
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[ 'v8_can_use_fpu_instructions=="true"', {
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'defines': [
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'CAN_USE_FPU_INSTRUCTIONS',
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],
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}],
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[ 'v8_use_mips_abi_hardfloat=="true"', {
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'defines': [
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'__mips_hard_float=1',
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'CAN_USE_FPU_INSTRUCTIONS',
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],
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}, {
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'defines': [
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'__mips_soft_float=1'
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],
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}],
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['mips_arch_variant=="mips32r2"', {
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'defines': ['_MIPS_ARCH_MIPS32R2',],
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}],
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['mips_arch_variant=="loongson"', {
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'defines': ['_MIPS_ARCH_LOONGSON',],
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}],
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],
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}], # v8_target_arch=="mipsel"
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['v8_target_arch=="x64"', {
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'defines': [
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'V8_TARGET_ARCH_X64',
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],
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'xcode_settings': {
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'ARCHS': [ 'x86_64' ],
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},
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'msvs_settings': {
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'VCLinkerTool': {
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'StackReserveSize': '2097152',
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},
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},
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'msvs_configuration_platform': 'x64',
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}], # v8_target_arch=="x64"
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['v8_compress_startup_data=="bz2"', {
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'defines': [
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'COMPRESS_STARTUP_DATA_BZ2',
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],
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}],
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['OS=="win"', {
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'defines': [
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'WIN32',
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],
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'msvs_configuration_attributes': {
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'OutputDirectory': '<(DEPTH)\\build\\$(ConfigurationName)',
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'IntermediateDirectory': '$(OutDir)\\obj\\$(ProjectName)',
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'CharacterSet': '1',
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},
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}],
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['OS=="win" and v8_enable_prof==1', {
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'msvs_settings': {
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'VCLinkerTool': {
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'GenerateMapFile': 'true',
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},
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},
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}],
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['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
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or OS=="netbsd"', {
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'conditions': [
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[ 'v8_no_strict_aliasing==1', {
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'cflags': [ '-fno-strict-aliasing' ],
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}],
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], # conditions
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}],
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['OS=="solaris"', {
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'defines': [ '__C99FEATURES__=1' ], # isinf() etc.
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}],
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['(OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
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or OS=="netbsd" or OS=="mac" or OS=="android") and \
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(v8_target_arch=="arm" or v8_target_arch=="ia32" or \
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v8_target_arch=="mipsel")', {
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# Check whether the host compiler and target compiler support the
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# '-m32' option and set it if so.
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'target_conditions': [
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['_toolset=="host"', {
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'variables': {
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'm32flag': '<!((echo | $(echo ${CXX_host:-$(which g++)}) -m32 -E - > /dev/null 2>&1) && echo "-m32" || true)',
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},
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'cflags': [ '<(m32flag)' ],
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'ldflags': [ '<(m32flag)' ],
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'xcode_settings': {
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'ARCHS': [ 'i386' ],
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},
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}],
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['_toolset=="target"', {
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'variables': {
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'm32flag': '<!((echo | $(echo ${CXX_target:-${CXX:-$(which g++)}}) -m32 -E - > /dev/null 2>&1) && echo "-m32" || true)',
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'clang%': 0,
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},
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'conditions': [
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['OS!="android" or clang==1', {
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'cflags': [ '<(m32flag)' ],
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'ldflags': [ '<(m32flag)' ],
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}],
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],
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'xcode_settings': {
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'ARCHS': [ 'i386' ],
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},
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}],
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],
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}],
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['OS=="freebsd" or OS=="openbsd"', {
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'cflags': [ '-I/usr/local/include' ],
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}],
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['OS=="netbsd"', {
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'cflags': [ '-I/usr/pkg/include' ],
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}],
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], # conditions
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'configurations': {
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'Debug': {
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'variables': {
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'v8_enable_extra_checks%': 1,
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},
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'defines': [
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'DEBUG',
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'ENABLE_DISASSEMBLER',
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'V8_ENABLE_CHECKS',
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'OBJECT_PRINT',
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'VERIFY_HEAP',
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],
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'msvs_settings': {
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'VCCLCompilerTool': {
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'Optimization': '0',
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'conditions': [
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['OS=="win" and component=="shared_library"', {
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'RuntimeLibrary': '3', # /MDd
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}, {
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'RuntimeLibrary': '1', # /MTd
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}],
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],
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},
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'VCLinkerTool': {
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'LinkIncremental': '2',
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},
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},
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'conditions': [
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['v8_enable_extra_checks==1', {
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'defines': ['ENABLE_EXTRA_CHECKS',],
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}],
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['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd"', {
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'cflags': [ '-Wall', '<(werror)', '-W', '-Wno-unused-parameter',
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'-Wnon-virtual-dtor', '-Woverloaded-virtual' ],
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}],
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['OS=="linux" and v8_enable_backtrace==1', {
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# Support for backtrace_symbols.
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'ldflags': [ '-rdynamic' ],
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}],
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['OS=="android"', {
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'variables': {
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'android_full_debug%': 1,
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},
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'conditions': [
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['android_full_debug==0', {
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# Disable full debug if we want a faster v8 in a debug build.
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# TODO(2304): pass DISABLE_DEBUG_ASSERT instead of hiding DEBUG.
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'defines!': [
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'DEBUG',
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],
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}],
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],
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}],
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['OS=="mac"', {
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'xcode_settings': {
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'GCC_OPTIMIZATION_LEVEL': '0', # -O0
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},
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}],
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],
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}, # Debug
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'Release': {
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'variables': {
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'v8_enable_extra_checks%': 0,
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},
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'conditions': [
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['v8_enable_extra_checks==1', {
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'defines': ['ENABLE_EXTRA_CHECKS',],
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}],
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['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd" \
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or OS=="android"', {
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'cflags!': [
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'-O2',
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'-Os',
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],
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'cflags': [
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'-fdata-sections',
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'-ffunction-sections',
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'-O3',
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],
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'conditions': [
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[ 'gcc_version==44 and clang==0', {
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'cflags': [
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# Avoid crashes with gcc 4.4 in the v8 test suite.
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'-fno-tree-vrp',
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],
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}],
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],
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}],
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['OS=="mac"', {
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'xcode_settings': {
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'GCC_OPTIMIZATION_LEVEL': '3', # -O3
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# -fstrict-aliasing. Mainline gcc
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# enables this at -O2 and above,
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# but Apple gcc does not unless it
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# is specified explicitly.
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'GCC_STRICT_ALIASING': 'YES',
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},
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}], # OS=="mac"
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['OS=="win"', {
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'msvs_settings': {
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'VCCLCompilerTool': {
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'Optimization': '2',
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'InlineFunctionExpansion': '2',
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'EnableIntrinsicFunctions': 'true',
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'FavorSizeOrSpeed': '0',
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'StringPooling': 'true',
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'conditions': [
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['OS=="win" and component=="shared_library"', {
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'RuntimeLibrary': '2', #/MD
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}, {
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'RuntimeLibrary': '0', #/MT
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}],
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['v8_target_arch=="x64"', {
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# TODO(2207): remove this option once the bug is fixed.
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'WholeProgramOptimization': 'true',
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}],
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],
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},
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'VCLinkerTool': {
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'LinkIncremental': '1',
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'OptimizeReferences': '2',
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'EnableCOMDATFolding': '2',
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},
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},
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}], # OS=="win"
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], # conditions
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}, # Release
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}, # configurations
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}, # target_defaults
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}
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