Merge V8 5.2.361.47 DO NOT MERGE
https://chromium.googlesource.com/v8/v8/+/5.2.361.47
FPIIM-449
Change-Id: Ibec421b85a9b88cb3a432ada642e469fe7e78346
(cherry picked from commit bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8)
diff --git a/gypfiles/toolchain.gypi b/gypfiles/toolchain.gypi
new file mode 100644
index 0000000..bc3ee5e
--- /dev/null
+++ b/gypfiles/toolchain.gypi
@@ -0,0 +1,1394 @@
+# 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,
+ 'v8_target_arch%': '<(target_arch)',
+ 'v8_host_byteorder%': '<!(python -c "import sys; print sys.byteorder")',
+ # Native Client builds currently use the V8 ARM JIT and
+ # arm/simulator-arm.cc to defer the significant effort required
+ # for NaCl JIT support. The nacl_target_arch variable provides
+ # the 'true' target arch for places in this file that need it.
+ # TODO(bradchen): get rid of nacl_target_arch when someday
+ # NaCl V8 builds stop using the ARM simulator
+ 'nacl_target_arch%': 'none', # must be set externally
+
+ # 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',
+
+ # 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,
+
+ # 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" and (target_arch=="x64" or target_arch=="arm")', {
+ '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,
+ },
+ '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',
+ ],
+ }],
+ ],
+ }], # 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") \
+ and v8_target_arch==target_arch', {
+ 'target_conditions': [
+ ['_toolset=="target"', {
+ # 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'],
+ }],
+ ],
+ }],
+ ],
+ }],
+ ['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': {
+ 'OutputDirectory': '<(DEPTH)\\build\\$(ConfigurationName)',
+ 'IntermediateDirectory': '$(OutDir)\\obj\\$(ProjectName)',
+ '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 and nacl_target_arch!="nacl_x64"', {
+ '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=="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',
+ '_ALL_SOURCE=1'],
+ 'conditions': [
+ [ 'v8_target_arch=="ppc"', {
+ 'ldflags': [ '-Wl,-bmaxdata:0x60000000/dsa' ],
+ }],
+ [ 'v8_target_arch=="ppc64"', {
+ 'cflags': [ '-maix64' ],
+ 'ldflags': [ '-maix64' ],
+ }],
+ ],
+ }],
+ ], # conditions
+ 'configurations': {
+ # Abstract configuration for v8_optimized_debug == 0.
+ 'DebugBase0': {
+ 'abstract': 1,
+ 'msvs_settings': {
+ 'VCCLCompilerTool': {
+ 'Optimization': '0',
+ 'conditions': [
+ ['component=="shared_library"', {
+ '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"', {
+ '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': [
+ # TODO(crbug.com/272548): Avoid -O3 in NaCl
+ # Don't use -O3 with sanitizers.
+ ['nacl_target_arch=="none" and 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': [
+ # TODO(crbug.com/272548): Avoid -O3 in NaCl
+ # Don't use -O3 with sanitizers.
+ ['nacl_target_arch=="none" and 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"', {
+ '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
+}