Factor out toolset definitions in a separate gypi file

build/common.gypi

-# 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': {
-    'msvs_use_common_release': 0,
-    'gcc_version%': 'unknown',
-    'CXX%': '${CXX:-$(which g++)}',  # Used to assemble a shell command.
-    'v8_compress_startup_data%': 'off',
-    'v8_target_arch%': '<(target_arch)',
-    # 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_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_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%': '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',
-
-    # Default arch variant for MIPS.
-    'mips_arch_variant%': 'mips32r2',
-
-    'v8_enable_debugger_support%': 1,
-
-    'v8_enable_backtrace%': 0,
-
-    'v8_enable_disassembler%': 0,
-
-    'v8_enable_gdbjit%': 0,
-
-    'v8_object_print%': 0,
-
-    # Enable profiling support. Only required on Windows.
-    'v8_enable_prof%': 0,
-
-    'v8_enable_verify_heap%': 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)',
-    '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%': '',
-
-    # Interpreted regexp engine exists as platform-independent alternative
-    # based where the regular expression is compiled to a bytecode.
-    'v8_interpreted_regexp%': 0,
-
-    # Enable ECMAScript Internationalization API. Enabling this feature will
-    # add a dependency on the ICU library.
-    'v8_enable_i18n_support%': 0,
-  },
-  'target_defaults': {
-    'conditions': [
-      ['v8_enable_debugger_support==1', {
-        'defines': ['ENABLE_DEBUGGER_SUPPORT',],
-      }],
-      ['v8_enable_disassembler==1', {
-        'defines': ['ENABLE_DISASSEMBLER',],
-      }],
-      ['v8_enable_gdbjit==1', {
-        'defines': ['ENABLE_GDB_JIT_INTERFACE',],
-      }],
-      ['v8_object_print==1', {
-        'defines': ['OBJECT_PRINT',],
-      }],
-      ['v8_enable_verify_heap==1', {
-        'defines': ['VERIFY_HEAP',],
-      }],
-      ['v8_interpreted_regexp==1', {
-        'defines': ['V8_INTERPRETED_REGEXP',],
-      }],
-      ['v8_enable_i18n_support==1', {
-        'defines': ['V8_I18N_SUPPORT',],
-      }],
-      ['v8_target_arch=="arm"', {
-        'defines': [
-          'V8_TARGET_ARCH_ARM',
-        ],
-        'target_conditions': [
-          ['_toolset=="host"', {
-            'variables': {
-              'armcompiler': '<!($(echo ${CXX_host:-$(which g++)}) -v 2>&1 | grep -q "^Target: arm" && echo "yes" || echo "no")',
-            },
-            'conditions': [
-              ['armcompiler=="yes"', {
-                'conditions': [
-                  [ 'armv7==1', {
-                    'cflags': ['-march=armv7-a',],
-                  }],
-                  [ 'armv7==1 or armv7=="default"', {
-                    'conditions': [
-                      [ 'arm_neon==1', {
-                        'cflags': ['-mfpu=neon',],
-                      },
-                      {
-                        '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',],
-                  }],
-                  [ 'arm_test=="on"', {
-                    'defines': [
-                      'ARM_TEST',
-                    ],
-                  }],
-                ],
-              }, {
-                # armcompiler=="no"
-                'conditions': [
-                  [ 'armv7==1 or armv7=="default"', {
-                    'defines': [
-                      'CAN_USE_ARMV7_INSTRUCTIONS=1',
-                    ],
-                    'conditions': [
-                      [ 'arm_fpu=="default"', {
-                        'defines': [
-                          'CAN_USE_VFP3_INSTRUCTIONS',
-                        ],
-                      }],
-                      [ 'arm_fpu=="vfpv3-d16"', {
-                        'defines': [
-                          'CAN_USE_VFP3_INSTRUCTIONS',
-                        ],
-                      }],
-                      [ 'arm_fpu=="vfpv3"', {
-                        'defines': [
-                          'CAN_USE_VFP3_INSTRUCTIONS',
-                          'CAN_USE_VFP32DREGS',
-                        ],
-                      }],
-                      [ 'arm_fpu=="neon" or arm_neon==1', {
-                        'defines': [
-                          'CAN_USE_VFP3_INSTRUCTIONS',
-                          'CAN_USE_VFP32DREGS',
-                        ],
-                      }],
-                    ],
-                  }],
-                  [ 'arm_float_abi=="hard"', {
-                    'defines': [
-                      'USE_EABI_HARDFLOAT=1',
-                    ],
-                  }],
-                  [ 'arm_float_abi=="softfp" or arm_float_abi=="default"', {
-                    'defines': [
-                      'USE_EABI_HARDFLOAT=0',
-                    ],
-                  }],
-                ],
-                'defines': [
-                  'ARM_TEST',
-                ],
-              }],
-            ],
-          }],  # _toolset=="host"
-          ['_toolset=="target"', {
-            'variables': {
-              'armcompiler': '<!($(echo ${CXX_target:-<(CXX)}) -v 2>&1 | grep -q "^Target: arm" && echo "yes" || echo "no")',
-            },
-            'conditions': [
-              ['armcompiler=="yes"', {
-                'conditions': [
-                  [ 'armv7==1', {
-                    'cflags': ['-march=armv7-a',],
-                  }],
-                  [ 'armv7==1 or armv7=="default"', {
-                    'conditions': [
-                      [ 'arm_neon==1', {
-                        'cflags': ['-mfpu=neon',],
-                      },
-                      {
-                        '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',],
-                  }],
-                  [ 'arm_test=="on"', {
-                    'defines': [
-                      'ARM_TEST',
-                    ],
-                  }],
-                ],
-              }, {
-                # armcompiler=="no"
-                'conditions': [
-                  [ 'armv7==1 or armv7=="default"', {
-                    'defines': [
-                      'CAN_USE_ARMV7_INSTRUCTIONS=1',
-                    ],
-                    'conditions': [
-                      [ 'arm_fpu=="default"', {
-                        'defines': [
-                          'CAN_USE_VFP3_INSTRUCTIONS',
-                        ],
-                      }],
-                      [ 'arm_fpu=="vfpv3-d16"', {
-                        'defines': [
-                          'CAN_USE_VFP3_INSTRUCTIONS',
-                        ],
-                      }],
-                      [ 'arm_fpu=="vfpv3"', {
-                        'defines': [
-                          'CAN_USE_VFP3_INSTRUCTIONS',
-                          'CAN_USE_VFP32DREGS',
-                        ],
-                      }],
-                      [ 'arm_fpu=="neon" or arm_neon==1', {
-                        'defines': [
-                          'CAN_USE_VFP3_INSTRUCTIONS',
-                          'CAN_USE_VFP32DREGS',
-                        ],
-                      }],
-                    ],
-                  }],
-                  [ 'arm_float_abi=="hard"', {
-                    'defines': [
-                      'USE_EABI_HARDFLOAT=1',
-                    ],
-                  }],
-                  [ 'arm_float_abi=="softfp" or arm_float_abi=="default"', {
-                    'defines': [
-                      'USE_EABI_HARDFLOAT=0',
-                    ],
-                  }],
-                ],
-                'defines': [
-                  'ARM_TEST',
-                ],
-              }],
-            ],
-          }],  # _toolset=="target"
-        ],
-      }],  # v8_target_arch=="arm"
-      ['v8_target_arch=="ia32"', {
-        'defines': [
-          'V8_TARGET_ARCH_IA32',
-        ],
-      }],  # v8_target_arch=="ia32"
-      ['v8_target_arch=="mipsel"', {
-        'defines': [
-          'V8_TARGET_ARCH_MIPS',
-        ],
-        'variables': {
-          'mipscompiler': '<!($(echo <(CXX)) -v 2>&1 | grep -q "^Target: mips" && echo "yes" || echo "no")',
-        },
-        'conditions': [
-          ['mipscompiler=="yes"', {
-            '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=="mips32r1"', {
-                    'cflags': ['-mips32', '-Wa,-mips32'],
-                 }],
-                  ['mips_arch_variant=="loongson"', {
-                    'cflags': ['-mips3', '-Wa,-mips3'],
-                  }],
-                ],
-              }],
-            ],
-          }],
-          [ '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',],
-          }],
-        ],
-      }],  # v8_target_arch=="mipsel"
-      ['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_compress_startup_data=="bz2"', {
-        'defines': [
-          'COMPRESS_STARTUP_DATA_BZ2',
-        ],
-      }],
-      ['OS=="win"', {
-        'defines': [
-          'WIN32',
-        ],
-        'msvs_configuration_attributes': {
-          'OutputDirectory': '<(DEPTH)\\build\\$(ConfigurationName)',
-          'IntermediateDirectory': '$(OutDir)\\obj\\$(ProjectName)',
-          'CharacterSet': '1',
-        },
-      }],
-      ['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': [
-          [ 'v8_no_strict_aliasing==1', {
-            'cflags': [ '-fno-strict-aliasing' ],
-          }],
-        ],  # conditions
-      }],
-      ['OS=="solaris"', {
-        'defines': [ '__C99FEATURES__=1' ],  # isinf() etc.
-      }],
-      ['(OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
-         or OS=="netbsd" or OS=="mac" or OS=="android") and \
-        (v8_target_arch=="arm" or v8_target_arch=="ia32" or \
-         v8_target_arch=="mipsel")', {
-        # Check whether the host compiler and target compiler support the
-        # '-m32' option and set it if so.
-        'target_conditions': [
-          ['_toolset=="host"', {
-            'variables': {
-              'm32flag': '<!((echo | $(echo ${CXX_host:-$(which g++)}) -m32 -E - > /dev/null 2>&1) && echo "-m32" || true)',
-            },
-            'cflags': [ '<(m32flag)' ],
-            'ldflags': [ '<(m32flag)' ],
-            'xcode_settings': {
-              'ARCHS': [ 'i386' ],
-            },
-          }],
-          ['_toolset=="target"', {
-            'variables': {
-              'm32flag': '<!((echo | $(echo ${CXX_target:-<(CXX)}) -m32 -E - > /dev/null 2>&1) && echo "-m32" || true)',
-              'clang%': 0,
-            },
-            'conditions': [
-              ['(OS!="android" or clang==1) and \
-                nacl_target_arch!="nacl_x64"', {
-                'cflags': [ '<(m32flag)' ],
-                'ldflags': [ '<(m32flag)' ],
-              }],
-            ],
-            'xcode_settings': {
-              'ARCHS': [ 'i386' ],
-            },
-          }],
-        ],
-      }],
-      ['(OS=="linux") and (v8_target_arch=="x64")', {
-        # Check whether the host compiler and target compiler support the
-        # '-m64' option and set it if so.
-        'target_conditions': [
-          ['_toolset=="host"', {
-            'variables': {
-              'm64flag': '<!((echo | $(echo ${CXX_host:-$(which g++)}) -m64 -E - > /dev/null 2>&1) && echo "-m64" || true)',
-            },
-            'cflags': [ '<(m64flag)' ],
-            'ldflags': [ '<(m64flag)' ],
-          }],
-          ['_toolset=="target"', {
-            'variables': {
-              'm64flag': '<!((echo | $(echo ${CXX_target:-<(CXX)}) -m64 -E - > /dev/null 2>&1) && echo "-m64" || true)',
-            },
-            'cflags': [ '<(m64flag)' ],
-            'ldflags': [ '<(m64flag)' ],
-          }]
-        ],
-      }],
-      ['OS=="freebsd" or OS=="openbsd"', {
-        'cflags': [ '-I/usr/local/include' ],
-      }],
-      ['OS=="netbsd"', {
-        'cflags': [ '-I/usr/pkg/include' ],
-      }],
-    ],  # conditions
-    'configurations': {
-      'Debug': {
-        'variables': {
-          'v8_enable_extra_checks%': 1,
-        },
-        'defines': [
-          'DEBUG',
-          'ENABLE_DISASSEMBLER',
-          'V8_ENABLE_CHECKS',
-          'OBJECT_PRINT',
-          'VERIFY_HEAP',
-        ],
-        'msvs_settings': {
-          'VCCLCompilerTool': {
-            'Optimization': '0',
-
-            'conditions': [
-              ['OS=="win" and component=="shared_library"', {
-                'RuntimeLibrary': '3',  # /MDd
-              }, {
-                'RuntimeLibrary': '1',  # /MTd
-              }],
-            ],
-          },
-          'VCLinkerTool': {
-            'LinkIncremental': '2',
-          },
-        },
-        'conditions': [
-          ['v8_enable_extra_checks==1', {
-            'defines': ['ENABLE_EXTRA_CHECKS',],
-          }],
-          ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd"', {
-            'cflags': [ '-Wall', '<(werror)', '-W', '-Wno-unused-parameter',
-                        '-Wnon-virtual-dtor', '-Woverloaded-virtual' ],
-          }],
-          ['OS=="linux" and v8_enable_backtrace==1', {
-            # Support for backtrace_symbols.
-            'ldflags': [ '-rdynamic' ],
-          }],
-          ['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',
-                ],
-              }],
-            ],
-          }],
-          ['OS=="mac"', {
-            'xcode_settings': {
-              'GCC_OPTIMIZATION_LEVEL': '0',  # -O0
-            },
-          }],
-        ],
-      },  # Debug
-      'Release': {
-        'variables': {
-          'v8_enable_extra_checks%': 0,
-        },
-        'conditions': [
-          ['v8_enable_extra_checks==1', {
-            'defines': ['ENABLE_EXTRA_CHECKS',],
-          }],
-          ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd"', {
-            'cflags!': [
-              '-O2',
-              '-Os',
-            ],
-            'cflags': [
-              '-fdata-sections',
-              '-ffunction-sections',
-              '-O3',
-            ],
-            'conditions': [
-              [ 'gcc_version==44 and clang==0', {
-                'cflags': [
-                  # Avoid crashes with gcc 4.4 in the v8 test suite.
-                  '-fno-tree-vrp',
-                ],
-              }],
-            ],
-          }],
-          ['OS=="android"', {
-            'cflags!': [
-              '-O3',
-              '-Os',
-            ],
-            'cflags': [
-              '-fdata-sections',
-              '-ffunction-sections',
-              '-O2',
-            ],
-            'conditions': [
-              [ 'gcc_version==44 and clang==0', {
-                'cflags': [
-                  # Avoid crashes with gcc 4.4 in the v8 test suite.
-                  '-fno-tree-vrp',
-                ],
-              }],
-            ],
-          }],
-          ['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': [
-                  ['OS=="win" and component=="shared_library"', {
-                    'RuntimeLibrary': '2',  #/MD
-                  }, {
-                    'RuntimeLibrary': '0',  #/MT
-                  }],
-                  ['v8_target_arch=="x64"', {
-                    # TODO(2207): remove this option once the bug is fixed.
-                    'WholeProgramOptimization': 'true',
-                  }],
-                ],
-              },
-              'VCLinkerTool': {
-                'LinkIncremental': '1',
-                'OptimizeReferences': '2',
-                'EnableCOMDATFolding': '2',
-              },
-            },
-          }],  # OS=="win"
-        ],  # conditions
-      },  # Release
-    },  # configurations
-  },  # target_defaults
-}