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#######################################################################
# Common SCons code
import os
import os.path
import re
import subprocess
import sys
import platform as _platform
import SCons.Script.SConscript
#######################################################################
# Defaults
host_platform = _platform.system().lower()
if host_platform.startswith('cygwin'):
host_platform = 'cygwin'
# MSYS2 default platform selection.
if host_platform.startswith('mingw'):
host_platform = 'windows'
# Search sys.argv[] for a "platform=foo" argument since we don't have
# an 'env' variable at this point.
if 'platform' in SCons.Script.ARGUMENTS:
target_platform = SCons.Script.ARGUMENTS['platform']
else:
target_platform = host_platform
_machine_map = {
'x86': 'x86',
'i386': 'x86',
'i486': 'x86',
'i586': 'x86',
'i686': 'x86',
'BePC': 'x86',
'Intel': 'x86',
'ppc': 'ppc',
'BeBox': 'ppc',
'BeMac': 'ppc',
'AMD64': 'x86_64',
'x86_64': 'x86_64',
'sparc': 'sparc',
'sun4u': 'sparc',
}
# find host_machine value
if 'PROCESSOR_ARCHITECTURE' in os.environ:
host_machine = os.environ['PROCESSOR_ARCHITECTURE']
else:
host_machine = _platform.machine()
host_machine = _machine_map.get(host_machine, 'generic')
# MSYS2 default machine selection.
if _platform.system().lower().startswith('mingw') and 'MSYSTEM' in os.environ:
if os.environ['MSYSTEM'] == 'MINGW32':
host_machine = 'x86'
if os.environ['MSYSTEM'] == 'MINGW64':
host_machine = 'x86_64'
default_machine = host_machine
default_toolchain = 'default'
# MSYS2 default toolchain selection.
if _platform.system().lower().startswith('mingw'):
default_toolchain = 'mingw'
if target_platform == 'windows' and host_platform != 'windows':
default_machine = 'x86'
default_toolchain = 'crossmingw'
# find default_llvm value
if 'LLVM' in os.environ or 'LLVM_CONFIG' in os.environ:
default_llvm = 'yes'
else:
default_llvm = 'no'
try:
if target_platform != 'windows' and \
subprocess.call(['llvm-config', '--version'],
stdout=subprocess.PIPE) == 0:
default_llvm = 'yes'
except:
pass
#######################################################################
# Common options
def AddOptions(opts):
try:
from SCons.Variables.BoolVariable import BoolVariable as BoolOption
except ImportError:
from SCons.Options.BoolOption import BoolOption
try:
from SCons.Variables.EnumVariable import EnumVariable as EnumOption
except ImportError:
from SCons.Options.EnumOption import EnumOption
opts.Add(EnumOption('build', 'build type', 'debug',
allowed_values=('debug', 'checked', 'profile',
'release')))
opts.Add(BoolOption('verbose', 'verbose output', 'no'))
opts.Add(EnumOption('machine', 'use machine-specific assembly code',
default_machine,
allowed_values=('generic', 'ppc', 'x86', 'x86_64')))
opts.Add(EnumOption('platform', 'target platform', host_platform,
allowed_values=('cygwin', 'darwin', 'freebsd', 'haiku',
'linux', 'sunos', 'windows')))
opts.Add(BoolOption('embedded', 'embedded build', 'no'))
opts.Add(BoolOption('analyze',
'enable static code analysis where available', 'no'))
opts.Add(BoolOption('asan', 'enable Address Sanitizer', 'no'))
opts.Add('toolchain', 'compiler toolchain', default_toolchain)
opts.Add(BoolOption('llvm', 'use LLVM', default_llvm))
opts.Add(BoolOption('openmp', 'EXPERIMENTAL: compile with openmp (swrast)',
'no'))
opts.Add(BoolOption('debug', 'DEPRECATED: debug build', 'yes'))
opts.Add(BoolOption('profile', 'DEPRECATED: profile build', 'no'))
opts.Add(BoolOption('quiet', 'DEPRECATED: profile build', 'yes'))
opts.Add(BoolOption('swr', 'Build OpenSWR', 'no'))
if host_platform == 'windows':
opts.Add('MSVC_VERSION', 'Microsoft Visual C/C++ version')
opts.Add('MSVC_USE_SCRIPT', 'Microsoft Visual C/C++ vcvarsall script', True)
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