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SConstruct
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SConstruct
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# Copyright 2008 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.
import platform
import re
import sys
import os
from os.path import join, dirname, abspath
from types import DictType, StringTypes
root_dir = dirname(File('SConstruct').rfile().abspath)
sys.path.append(join(root_dir, 'tools'))
import js2c, utils
# ANDROID_TOP is the top of the Android checkout, fetched from the environment
# variable 'TOP'. You will also need to set the CXX, CC, AR and RANLIB
# environment variables to the cross-compiling tools.
ANDROID_TOP = os.environ.get('TOP')
if ANDROID_TOP is None:
ANDROID_TOP=""
# TODO: Sort these issues out properly but as a temporary solution for gcc 4.4
# on linux we need these compiler flags to avoid crashes in the v8 test suite
# and avoid dtoa.c strict aliasing issues
if os.environ.get('GCC_VERSION') == '44':
GCC_EXTRA_CCFLAGS = ['-fno-tree-vrp', '-fno-strict-aliasing']
GCC_DTOA_EXTRA_CCFLAGS = []
else:
GCC_EXTRA_CCFLAGS = []
GCC_DTOA_EXTRA_CCFLAGS = []
ANDROID_FLAGS = ['-march=armv5te',
'-mtune=xscale',
'-msoft-float',
'-fpic',
'-mthumb-interwork',
'-funwind-tables',
'-fstack-protector',
'-fno-short-enums',
'-fmessage-length=0',
'-finline-functions',
'-fno-inline-functions-called-once',
'-fgcse-after-reload',
'-frerun-cse-after-loop',
'-frename-registers',
'-fomit-frame-pointer',
'-fno-strict-aliasing',
'-finline-limit=300',
'-MD']
ANDROID_INCLUDES = [ANDROID_TOP + '/bionic/libc/arch-arm/include',
ANDROID_TOP + '/bionic/libc/include',
ANDROID_TOP + '/bionic/libstdc++/include',
ANDROID_TOP + '/bionic/libc/kernel/common',
ANDROID_TOP + '/bionic/libc/kernel/arch-arm',
ANDROID_TOP + '/bionic/libm/include',
ANDROID_TOP + '/bionic/libm/include/arch/arm',
ANDROID_TOP + '/bionic/libthread_db/include',
ANDROID_TOP + '/frameworks/base/include',
ANDROID_TOP + '/system/core/include']
ANDROID_LINKFLAGS = ['-nostdlib',
'-Bdynamic',
'-Wl,-T,' + ANDROID_TOP + '/build/core/armelf.x',
'-Wl,-dynamic-linker,/system/bin/linker',
'-Wl,--gc-sections',
'-Wl,-z,nocopyreloc',
'-Wl,-rpath-link=' + ANDROID_TOP + '/out/target/product/generic/obj/lib',
ANDROID_TOP + '/out/target/product/generic/obj/lib/crtbegin_dynamic.o',
ANDROID_TOP + '/prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/lib/gcc/arm-eabi/4.4.0/interwork/libgcc.a',
ANDROID_TOP + '/out/target/product/generic/obj/lib/crtend_android.o'];
LIBRARY_FLAGS = {
'all': {
'CPPPATH': [join(root_dir, 'src')],
'regexp:native': {
'CPPDEFINES': ['V8_NATIVE_REGEXP']
},
'mode:debug': {
'CPPDEFINES': ['V8_ENABLE_CHECKS']
},
'profilingsupport:on': {
'CPPDEFINES': ['ENABLE_LOGGING_AND_PROFILING'],
},
'debuggersupport:on': {
'CPPDEFINES': ['ENABLE_DEBUGGER_SUPPORT'],
}
},
'gcc': {
'all': {
'CCFLAGS': ['$DIALECTFLAGS', '$WARNINGFLAGS'],
'CXXFLAGS': ['$CCFLAGS', '-fno-rtti', '-fno-exceptions'],
},
'visibility:hidden': {
# Use visibility=default to disable this.
'CXXFLAGS': ['-fvisibility=hidden']
},
'mode:debug': {
'CCFLAGS': ['-g', '-O0'],
'CPPDEFINES': ['ENABLE_DISASSEMBLER', 'DEBUG'],
'os:android': {
'CCFLAGS': ['-mthumb']
}
},
'mode:release': {
'CCFLAGS': ['-O3', '-fomit-frame-pointer', '-fdata-sections',
'-ffunction-sections'],
'os:android': {
'CCFLAGS': ['-mthumb', '-Os'],
'CPPDEFINES': ['SK_RELEASE', 'NDEBUG']
}
},
'os:linux': {
'CCFLAGS': ['-ansi'] + GCC_EXTRA_CCFLAGS,
'library:shared': {
'CPPDEFINES': ['V8_SHARED'],
'LIBS': ['pthread']
}
},
'os:macos': {
'CCFLAGS': ['-ansi', '-mmacosx-version-min=10.4'],
'library:shared': {
'CPPDEFINES': ['V8_SHARED']
}
},
'os:freebsd': {
'CPPPATH' : ['/usr/local/include'],
'LIBPATH' : ['/usr/local/lib'],
'CCFLAGS': ['-ansi'],
},
'os:openbsd': {
'CPPPATH' : ['/usr/local/include'],
'LIBPATH' : ['/usr/local/lib'],
'CCFLAGS': ['-ansi'],
},
'os:solaris': {
'CPPPATH' : ['/usr/local/include'],
'LIBPATH' : ['/usr/local/lib'],
'CCFLAGS': ['-ansi'],
},
'os:win32': {
'CCFLAGS': ['-DWIN32'],
'CXXFLAGS': ['-DWIN32'],
},
'os:android': {
'CPPDEFINES': ['ANDROID', '__ARM_ARCH_5__', '__ARM_ARCH_5T__',
'__ARM_ARCH_5E__', '__ARM_ARCH_5TE__'],
'CCFLAGS': ANDROID_FLAGS,
'WARNINGFLAGS': ['-Wall', '-Wno-unused', '-Werror=return-type',
'-Wstrict-aliasing=2'],
'CPPPATH': ANDROID_INCLUDES,
},
'arch:ia32': {
'CPPDEFINES': ['V8_TARGET_ARCH_IA32'],
'CCFLAGS': ['-m32'],
'LINKFLAGS': ['-m32']
},
'arch:arm': {
'CPPDEFINES': ['V8_TARGET_ARCH_ARM']
},
'simulator:arm': {
'CCFLAGS': ['-m32'],
'LINKFLAGS': ['-m32']
},
'armvariant:thumb2': {
'CPPDEFINES': ['V8_ARM_VARIANT_THUMB']
},
'armvariant:arm': {
'CPPDEFINES': ['V8_ARM_VARIANT_ARM']
},
'arch:mips': {
'CPPDEFINES': ['V8_TARGET_ARCH_MIPS'],
'simulator:none': {
'CCFLAGS': ['-EL', '-mips32r2', '-Wa,-mips32r2'],
'LINKFLAGS': ['-EL'],
'mipsabi:softfloat': {
'CCFLAGS': ['-msoft-float'],
'LINKFLAGS': ['-msoft-float'],
},
'mipsabi:hardfloat': {
'CCFLAGS': ['-mhard-float'],
'LINKFLAGS': ['-mhard-float'],
}
}
},
'simulator:mips': {
'CCFLAGS': ['-m32'],
'LINKFLAGS': ['-m32'],
'mipsabi:softfloat': {
'CPPDEFINES': ['__mips_soft_float=1'],
}
},
'arch:x64': {
'CPPDEFINES': ['V8_TARGET_ARCH_X64'],
'CCFLAGS': ['-m64'],
'LINKFLAGS': ['-m64'],
},
'prof:oprofile': {
'CPPDEFINES': ['ENABLE_OPROFILE_AGENT']
}
},
'msvc': {
'all': {
'CCFLAGS': ['$DIALECTFLAGS', '$WARNINGFLAGS'],
'CXXFLAGS': ['$CCFLAGS', '/GR-', '/Gy'],
'CPPDEFINES': ['WIN32'],
'LINKFLAGS': ['/INCREMENTAL:NO', '/NXCOMPAT', '/IGNORE:4221'],
'CCPDBFLAGS': ['/Zi']
},
'verbose:off': {
'DIALECTFLAGS': ['/nologo'],
'ARFLAGS': ['/NOLOGO']
},
'arch:ia32': {
'CPPDEFINES': ['V8_TARGET_ARCH_IA32', '_USE_32BIT_TIME_T'],
'LINKFLAGS': ['/MACHINE:X86'],
'ARFLAGS': ['/MACHINE:X86']
},
'arch:x64': {
'CPPDEFINES': ['V8_TARGET_ARCH_X64'],
'LINKFLAGS': ['/MACHINE:X64'],
'ARFLAGS': ['/MACHINE:X64']
},
'mode:debug': {
'CCFLAGS': ['/Od', '/Gm'],
'CPPDEFINES': ['_DEBUG', 'ENABLE_DISASSEMBLER', 'DEBUG'],
'LINKFLAGS': ['/DEBUG'],
'msvcrt:static': {
'CCFLAGS': ['/MTd']
},
'msvcrt:shared': {
'CCFLAGS': ['/MDd']
}
},
'mode:release': {
'CCFLAGS': ['/O2'],
'LINKFLAGS': ['/OPT:REF', '/OPT:ICF'],
'msvcrt:static': {
'CCFLAGS': ['/MT']
},
'msvcrt:shared': {
'CCFLAGS': ['/MD']
},
'msvcltcg:on': {
'CCFLAGS': ['/GL'],
'ARFLAGS': ['/LTCG'],
'pgo:off': {
'LINKFLAGS': ['/LTCG'],
},
'pgo:instrument': {
'LINKFLAGS': ['/LTCG:PGI']
},
'pgo:optimize': {
'LINKFLAGS': ['/LTCG:PGO']
}
}
}
}
}
V8_EXTRA_FLAGS = {
'gcc': {
'all': {
'WARNINGFLAGS': ['-Wall',
'-Werror',
'-W',
'-Wno-unused-parameter',
'-Wnon-virtual-dtor']
},
'os:win32': {
'WARNINGFLAGS': ['-pedantic', '-Wno-long-long']
},
'os:linux': {
'WARNINGFLAGS': ['-pedantic'],
'library:shared': {
'soname:on': {
'LINKFLAGS': ['-Wl,-soname,${SONAME}']
}
}
},
'os:macos': {
'WARNINGFLAGS': ['-pedantic']
},
'disassembler:on': {
'CPPDEFINES': ['ENABLE_DISASSEMBLER']
}
},
'msvc': {
'all': {
'WARNINGFLAGS': ['/W3', '/WX', '/wd4355', '/wd4800']
},
'library:shared': {
'CPPDEFINES': ['BUILDING_V8_SHARED'],
'LIBS': ['winmm', 'ws2_32']
},
'arch:arm': {
'CPPDEFINES': ['V8_TARGET_ARCH_ARM'],
# /wd4996 is to silence the warning about sscanf
# used by the arm simulator.
'WARNINGFLAGS': ['/wd4996']
},
'arch:mips': {
'CPPDEFINES': ['V8_TARGET_ARCH_MIPS'],
},
'disassembler:on': {
'CPPDEFINES': ['ENABLE_DISASSEMBLER']
}
}
}
MKSNAPSHOT_EXTRA_FLAGS = {
'gcc': {
'os:linux': {
'LIBS': ['pthread'],
},
'os:macos': {
'LIBS': ['pthread'],
},
'os:freebsd': {
'LIBS': ['execinfo', 'pthread']
},
'os:solaris': {
'LIBS': ['m', 'pthread', 'socket', 'nsl', 'rt'],
'LINKFLAGS': ['-mt']
},
'os:openbsd': {
'LIBS': ['execinfo', 'pthread']
},
'os:win32': {
'LIBS': ['winmm', 'ws2_32'],
},
},
'msvc': {
'all': {
'CPPDEFINES': ['_HAS_EXCEPTIONS=0'],
'LIBS': ['winmm', 'ws2_32']
}
}
}
DTOA_EXTRA_FLAGS = {
'gcc': {
'all': {
'WARNINGFLAGS': ['-Werror', '-Wno-uninitialized'],
'CCFLAGS': GCC_DTOA_EXTRA_CCFLAGS
}
},
'msvc': {
'all': {
'WARNINGFLAGS': ['/WX', '/wd4018', '/wd4244']
}
}
}
CCTEST_EXTRA_FLAGS = {
'all': {
'CPPPATH': [join(root_dir, 'src')],
},
'gcc': {
'all': {
'LIBPATH': [abspath('.')]
},
'os:linux': {
'LIBS': ['pthread'],
},
'os:macos': {
'LIBS': ['pthread'],
},
'os:freebsd': {
'LIBS': ['execinfo', 'pthread']
},
'arch:mips': {
'simulator:none': {
'CCFLAGS': ['-EL', '-mips32r2', '-Wa,-mips32r2'],
'LINKFLAGS': ['-EL'],
'library:static': {
'LINKFLAGS': ['-static', '-static-libgcc']
},
'mipsabi:softfloat': {
'CCFLAGS': ['-msoft-float'],
'LINKFLAGS': ['-msoft-float'],
},
'mipsabi:hardfloat': {
'CCFLAGS': ['-mhard-float'],
'LINKFLAGS': ['-mhard-float'],
}
}
},
'os:solaris': {
'LIBS': ['m', 'pthread', 'socket', 'nsl', 'rt'],
'LINKFLAGS': ['-mt']
},
'os:openbsd': {
'LIBS': ['execinfo', 'pthread']
},
'os:win32': {
'LIBS': ['winmm', 'ws2_32']
},
'os:android': {
'CPPDEFINES': ['ANDROID', '__ARM_ARCH_5__', '__ARM_ARCH_5T__',
'__ARM_ARCH_5E__', '__ARM_ARCH_5TE__'],
'CCFLAGS': ANDROID_FLAGS,
'CPPPATH': ANDROID_INCLUDES,
'LIBPATH': [ANDROID_TOP + '/out/target/product/generic/obj/lib',
ANDROID_TOP + '/prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/lib/gcc/arm-eabi/4.4.0/interwork'],
'LINKFLAGS': ANDROID_LINKFLAGS,
'LIBS': ['log', 'c', 'stdc++', 'm', 'gcc'],
'mode:release': {
'CPPDEFINES': ['SK_RELEASE', 'NDEBUG']
}
},
},
'msvc': {
'all': {
'CPPDEFINES': ['_HAS_EXCEPTIONS=0'],
'LIBS': ['winmm', 'ws2_32']
},
'library:shared': {
'CPPDEFINES': ['USING_V8_SHARED']
},
'arch:ia32': {
'CPPDEFINES': ['V8_TARGET_ARCH_IA32']
},
'arch:x64': {
'CPPDEFINES': ['V8_TARGET_ARCH_X64'],
'LINKFLAGS': ['/STACK:2091752']
},
}
}
SAMPLE_FLAGS = {
'all': {
'CPPPATH': [join(abspath('.'), 'include')],
},
'gcc': {
'all': {
'LIBPATH': ['.'],
'CCFLAGS': ['-fno-rtti', '-fno-exceptions']
},
'os:linux': {
'LIBS': ['pthread'],
},
'os:macos': {
'LIBS': ['pthread'],
},
'os:freebsd': {
'LIBPATH' : ['/usr/local/lib'],
'LIBS': ['execinfo', 'pthread']
},
'os:solaris': {
'LIBPATH' : ['/usr/local/lib'],
'LIBS': ['m', 'pthread', 'socket', 'nsl', 'rt'],
'LINKFLAGS': ['-mt']
},
'os:openbsd': {
'LIBPATH' : ['/usr/local/lib'],
'LIBS': ['execinfo', 'pthread']
},
'os:win32': {
'LIBS': ['winmm', 'ws2_32']
},
'os:android': {
'CPPDEFINES': ['ANDROID', '__ARM_ARCH_5__', '__ARM_ARCH_5T__',
'__ARM_ARCH_5E__', '__ARM_ARCH_5TE__'],
'CCFLAGS': ANDROID_FLAGS,
'CPPPATH': ANDROID_INCLUDES,
'LIBPATH': [ANDROID_TOP + '/out/target/product/generic/obj/lib',
ANDROID_TOP + '/prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/lib/gcc/arm-eabi/4.4.0/interwork'],
'LINKFLAGS': ANDROID_LINKFLAGS,
'LIBS': ['log', 'c', 'stdc++', 'm', 'gcc'],
'mode:release': {
'CPPDEFINES': ['SK_RELEASE', 'NDEBUG']
}
},
'arch:ia32': {
'CCFLAGS': ['-m32'],
'LINKFLAGS': ['-m32']
},
'arch:x64': {
'CCFLAGS': ['-m64'],
'LINKFLAGS': ['-m64']
},
'arch:mips': {
'CPPDEFINES': ['V8_TARGET_ARCH_MIPS'],
'simulator:none': {
'CCFLAGS': ['-EL', '-mips32r2', '-Wa,-mips32r2'],
'LINKFLAGS': ['-EL'],
'library:static': {
'LINKFLAGS': ['-static', '-static-libgcc']
},
'mipsabi:softfloat': {
'CCFLAGS': ['-msoft-float'],
'LINKFLAGS': ['-msoft-float'],
},
'mipsabi:hardfloat': {
'CCFLAGS': ['-mhard-float'],
'LINKFLAGS': ['-mhard-float'],
}
}
},
'simulator:arm': {
'CCFLAGS': ['-m32'],
'LINKFLAGS': ['-m32']
},
'simulator:mips': {
'CCFLAGS': ['-m32'],
'LINKFLAGS': ['-m32'],
'mipsabi:softfloat': {
'CPPDEFINES': ['__mips_soft_float=1'],
}
},
'mode:release': {
'CCFLAGS': ['-O2']
},
'mode:debug': {
'CCFLAGS': ['-g', '-O0']
},
'prof:oprofile': {
'LIBPATH': ['/usr/lib32', '/usr/lib32/oprofile'],
'LIBS': ['opagent']
}
},
'msvc': {
'all': {
'LIBS': ['winmm', 'ws2_32']
},
'verbose:off': {
'CCFLAGS': ['/nologo'],
'LINKFLAGS': ['/NOLOGO']
},
'verbose:on': {
'LINKFLAGS': ['/VERBOSE']
},
'library:shared': {
'CPPDEFINES': ['USING_V8_SHARED']
},
'prof:on': {
'LINKFLAGS': ['/MAP']
},
'mode:release': {
'CCFLAGS': ['/O2'],
'LINKFLAGS': ['/OPT:REF', '/OPT:ICF'],
'msvcrt:static': {
'CCFLAGS': ['/MT']
},
'msvcrt:shared': {
'CCFLAGS': ['/MD']
},
'msvcltcg:on': {
'CCFLAGS': ['/GL'],
'pgo:off': {
'LINKFLAGS': ['/LTCG'],
},
},
'pgo:instrument': {
'LINKFLAGS': ['/LTCG:PGI']
},
'pgo:optimize': {
'LINKFLAGS': ['/LTCG:PGO']
}
},
'arch:ia32': {
'CPPDEFINES': ['V8_TARGET_ARCH_IA32'],
'LINKFLAGS': ['/MACHINE:X86']
},
'arch:x64': {
'CPPDEFINES': ['V8_TARGET_ARCH_X64'],
'LINKFLAGS': ['/MACHINE:X64', '/STACK:2091752']
},
'mode:debug': {
'CCFLAGS': ['/Od'],
'LINKFLAGS': ['/DEBUG'],
'msvcrt:static': {
'CCFLAGS': ['/MTd']
},
'msvcrt:shared': {
'CCFLAGS': ['/MDd']
}
}
}
}
D8_FLAGS = {
'gcc': {
'console:readline': {
'LIBS': ['readline']
},
'os:linux': {
'LIBS': ['pthread'],
},
'os:macos': {
'LIBS': ['pthread'],
},
'os:freebsd': {
'LIBS': ['pthread'],
},
'os:solaris': {
'LIBS': ['m', 'pthread', 'socket', 'nsl', 'rt'],
'LINKFLAGS': ['-mt']
},
'os:openbsd': {
'LIBS': ['pthread'],
},
'os:android': {
'LIBPATH': [ANDROID_TOP + '/out/target/product/generic/obj/lib',
ANDROID_TOP + '/prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/lib/gcc/arm-eabi/4.4.0/interwork'],
'LINKFLAGS': ANDROID_LINKFLAGS,
'LIBS': ['log', 'c', 'stdc++', 'm', 'gcc'],
},
'os:win32': {
'LIBS': ['winmm', 'ws2_32'],
},
},
'msvc': {
'all': {
'LIBS': ['winmm', 'ws2_32']
}
}
}
SUFFIXES = {
'release': '',
'debug': '_g'
}
def Abort(message):
print message
sys.exit(1)
def GuessToolchain(os):
tools = Environment()['TOOLS']
if 'gcc' in tools:
return 'gcc'
elif 'msvc' in tools:
return 'msvc'
else:
return None
OS_GUESS = utils.GuessOS()
TOOLCHAIN_GUESS = GuessToolchain(OS_GUESS)
ARCH_GUESS = utils.GuessArchitecture()
SIMPLE_OPTIONS = {
'toolchain': {
'values': ['gcc', 'msvc'],
'default': TOOLCHAIN_GUESS,
'help': 'the toolchain to use (' + TOOLCHAIN_GUESS + ')'
},
'os': {
'values': ['freebsd', 'linux', 'macos', 'win32', 'android', 'openbsd', 'solaris'],
'default': OS_GUESS,
'help': 'the os to build for (' + OS_GUESS + ')'
},
'arch': {
'values':['arm', 'ia32', 'x64', 'mips'],
'default': ARCH_GUESS,
'help': 'the architecture to build for (who knows)'
},
'regexp': {
'values': ['native', 'interpreted'],
'default': 'native',
'help': 'Whether to use native or interpreted regexp implementation'
},
'snapshot': {
'values': ['on', 'off', 'nobuild'],
'default': 'off',
'help': 'build using snapshots for faster start-up'
},
'prof': {
'values': ['on', 'off', 'oprofile'],
'default': 'off',
'help': 'enable profiling of build target'
},
'library': {
'values': ['static', 'shared'],
'default': 'static',
'help': 'the type of library to produce'
},
'profilingsupport': {
'values': ['on', 'off'],
'default': 'on',
'help': 'enable profiling of JavaScript code'
},
'debuggersupport': {
'values': ['on', 'off'],
'default': 'on',
'help': 'enable debugging of JavaScript code'
},
'soname': {
'values': ['on', 'off'],
'default': 'off',
'help': 'turn on setting soname for Linux shared library'
},
'msvcrt': {
'values': ['static', 'shared'],
'default': 'static',
'help': 'the type of Microsoft Visual C++ runtime library to use'
},
'msvcltcg': {
'values': ['on', 'off'],
'default': 'on',
'help': 'use Microsoft Visual C++ link-time code generation'
},
'simulator': {
'values': ['arm', 'mips', 'none'],
'default': 'none',
'help': 'build with simulator'
},
'disassembler': {
'values': ['on', 'off'],
'default': 'off',
'help': 'enable the disassembler to inspect generated code'
},
'sourcesignatures': {
'values': ['MD5', 'timestamp'],
'default': 'MD5',
'help': 'set how the build system detects file changes'
},
'console': {
'values': ['dumb', 'readline'],
'default': 'dumb',
'help': 'the console to use for the d8 shell'
},
'verbose': {
'values': ['on', 'off'],
'default': 'off',
'help': 'more output from compiler and linker'
},
'visibility': {
'values': ['default', 'hidden'],
'default': 'hidden',
'help': 'shared library symbol visibility'
},
'armvariant': {
'values': ['arm', 'thumb2', 'none'],
'default': 'none',
'help': 'generate thumb2 instructions instead of arm instructions (default)'
},
'pgo': {
'values': ['off', 'instrument', 'optimize'],
'default': 'off',
'help': 'select profile guided optimization variant',
},
'mipsabi': {
'values': ['hardfloat', 'softfloat', 'none'],
'default': 'hardfloat',
'help': 'generate calling conventiont according to selected mips ABI'
},
}
def GetOptions():
result = Options()
result.Add('mode', 'compilation mode (debug, release)', 'release')
result.Add('sample', 'build sample (shell, process, lineprocessor)', '')
result.Add('env', 'override environment settings (NAME0:value0,NAME1:value1,...)', '')
result.Add('importenv', 'import environment settings (NAME0,NAME1,...)', '')
for (name, option) in SIMPLE_OPTIONS.iteritems():
help = '%s (%s)' % (name, ", ".join(option['values']))
result.Add(name, help, option.get('default'))
return result
def GetVersionComponents():
MAJOR_VERSION_PATTERN = re.compile(r"#define\s+MAJOR_VERSION\s+(.*)")
MINOR_VERSION_PATTERN = re.compile(r"#define\s+MINOR_VERSION\s+(.*)")
BUILD_NUMBER_PATTERN = re.compile(r"#define\s+BUILD_NUMBER\s+(.*)")
PATCH_LEVEL_PATTERN = re.compile(r"#define\s+PATCH_LEVEL\s+(.*)")
patterns = [MAJOR_VERSION_PATTERN,
MINOR_VERSION_PATTERN,
BUILD_NUMBER_PATTERN,
PATCH_LEVEL_PATTERN]
source = open(join(root_dir, 'src', 'version.cc')).read()
version_components = []
for pattern in patterns:
match = pattern.search(source)
if match:
version_components.append(match.group(1).strip())
else:
version_components.append('0')
return version_components
def GetVersion():
version_components = GetVersionComponents()
if version_components[len(version_components) - 1] == '0':
version_components.pop()
return '.'.join(version_components)
def GetSpecificSONAME():
SONAME_PATTERN = re.compile(r"#define\s+SONAME\s+\"(.*)\"")
source = open(join(root_dir, 'src', 'version.cc')).read()
match = SONAME_PATTERN.search(source)
if match:
return match.group(1).strip()
else:
return ''
def SplitList(str):
return [ s for s in str.split(",") if len(s) > 0 ]
def IsLegal(env, option, values):
str = env[option]
for s in SplitList(str):
if not s in values:
Abort("Illegal value for option %s '%s'." % (option, s))
return False
return True
def VerifyOptions(env):
if not IsLegal(env, 'mode', ['debug', 'release']):
return False
if not IsLegal(env, 'sample', ["shell", "process", "lineprocessor"]):
return False
if not IsLegal(env, 'regexp', ["native", "interpreted"]):
return False
if env['os'] == 'win32' and env['library'] == 'shared' and env['prof'] == 'on':
Abort("Profiling on windows only supported for static library.")
if env['prof'] == 'oprofile' and env['os'] != 'linux':
Abort("OProfile is only supported on Linux.")
if env['os'] == 'win32' and env['soname'] == 'on':
Abort("Shared Object soname not applicable for Windows.")
if env['soname'] == 'on' and env['library'] == 'static':
Abort("Shared Object soname not applicable for static library.")
if env['os'] != 'win32' and env['pgo'] != 'off':
Abort("Profile guided optimization only supported on Windows.")
for (name, option) in SIMPLE_OPTIONS.iteritems():
if (not option.get('default')) and (name not in ARGUMENTS):
message = ("A value for option %s must be specified (%s)." %
(name, ", ".join(option['values'])))
Abort(message)
if not env[name] in option['values']:
message = ("Unknown %s value '%s'. Possible values are (%s)." %
(name, env[name], ", ".join(option['values'])))
Abort(message)
class BuildContext(object):
def __init__(self, options, env_overrides, samples):
self.library_targets = []
self.mksnapshot_targets = []
self.cctest_targets = []
self.sample_targets = []
self.d8_targets = []
self.options = options
self.env_overrides = env_overrides
self.samples = samples
self.use_snapshot = (options['snapshot'] != 'off')
self.build_snapshot = (options['snapshot'] == 'on')
self.flags = None
def AddRelevantFlags(self, initial, flags):
result = initial.copy()
toolchain = self.options['toolchain']
if toolchain in flags:
self.AppendFlags(result, flags[toolchain].get('all'))
for option in sorted(self.options.keys()):
value = self.options[option]
self.AppendFlags(result, flags[toolchain].get(option + ':' + value))
self.AppendFlags(result, flags.get('all'))
return result
def AddRelevantSubFlags(self, options, flags):
self.AppendFlags(options, flags.get('all'))
for option in sorted(self.options.keys()):
value = self.options[option]
self.AppendFlags(options, flags.get(option + ':' + value))
def GetRelevantSources(self, source):
result = []
result += source.get('all', [])
for (name, value) in self.options.iteritems():
source_value = source.get(name + ':' + value, [])
if type(source_value) == dict:
result += self.GetRelevantSources(source_value)
else:
result += source_value
return sorted(result)
def AppendFlags(self, options, added):
if not added:
return
for (key, value) in added.iteritems():
if key.find(':') != -1:
self.AddRelevantSubFlags(options, { key: value })
else:
if not key in options:
options[key] = value
else:
prefix = options[key]
if isinstance(prefix, StringTypes): prefix = prefix.split()
options[key] = prefix + value
def ConfigureObject(self, env, input, **kw):
if (kw.has_key('CPPPATH') and env.has_key('CPPPATH')):
kw['CPPPATH'] += env['CPPPATH']
if self.options['library'] == 'static':
return env.StaticObject(input, **kw)
else:
return env.SharedObject(input, **kw)
def ApplyEnvOverrides(self, env):
if not self.env_overrides:
return
if type(env['ENV']) == DictType:
env['ENV'].update(**self.env_overrides)
else:
env['ENV'] = self.env_overrides
def PostprocessOptions(options, os):
# Adjust architecture if the simulator option has been set
if (options['simulator'] != 'none') and (options['arch'] != options['simulator']):
if 'arch' in ARGUMENTS:
# Print a warning if arch has explicitly been set
print "Warning: forcing architecture to match simulator (%s)" % options['simulator']
options['arch'] = options['simulator']
if (options['prof'] != 'off') and (options['profilingsupport'] == 'off'):
# Print a warning if profiling is enabled without profiling support
print "Warning: forcing profilingsupport on when prof is on"
options['profilingsupport'] = 'on'
if os == 'win32' and options['pgo'] != 'off' and options['msvcltcg'] == 'off':
if 'msvcltcg' in ARGUMENTS:
print "Warning: forcing msvcltcg on as it is required for pgo (%s)" % options['pgo']
options['msvcltcg'] = 'on'
if (options['armvariant'] == 'none' and options['arch'] == 'arm'):
options['armvariant'] = 'arm'
if (options['armvariant'] != 'none' and options['arch'] != 'arm'):
options['armvariant'] = 'none'
if options['arch'] == 'mips':
if ('regexp' in ARGUMENTS) and options['regexp'] == 'native':
# Print a warning if native regexp is specified for mips
print "Warning: implementation of native regexp not fully completed"
if (options['simulator'] == 'mips' and options['mipsabi'] != 'softfloat'):
# Print a warning if soft-float ABI is not selected for mips simulator
print "Warning: forcing soft-float mips ABI when running on simulator"
options['mipsabi'] = 'softfloat'
if (options['mipsabi'] != 'none') and (options['arch'] != 'mips') and (options['simulator'] != 'mips'):
options['mipsabi'] = 'none'
def ParseEnvOverrides(arg, imports):
# The environment overrides are in the format NAME0:value0,NAME1:value1,...
# The environment imports are in the format NAME0,NAME1,...
overrides = {}
for var in imports.split(','):
if var in os.environ:
overrides[var] = os.environ[var]
for override in arg.split(','):
pos = override.find(':')
if pos == -1:
continue
overrides[override[:pos].strip()] = override[pos+1:].strip()
return overrides