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def _get_posix_vars():

"""Initialize the config vars as appropriate for POSIX systems."""

import _imp

import sys

import os

darwin_native = sys.platform == "darwin"

win32_native = sys.platform == "win32"

# note: this must be kept in sync with _imp.extension_suffixes

so_abi = sys.implementation.cache_tag + "-native-" + sys.implementation._multiarch

if win32_native:

so_ext = ".pyd"

else:

so_ext = ".so"

assert _imp.extension_suffixes()[0] == "." + so_abi + so_ext, "mismatch between extension suffix to _imp.extension_suffixes"

get_toolchain = __graalpython__.determine_system_toolchain().get

toolchain_cxx = get_toolchain('CXX')

have_cxx = toolchain_cxx is not None

if win32_native:

python_inc = os.path.join(os.path.normpath(sys.base_prefix), 'Include')

else:

python_inc = os.path.join(

os.path.normpath(sys.base_prefix),

'include',

f'python{sys.version_info[0]}.{sys.version_info[1]}{sys.abiflags}'

)

fpic = "" if win32_native else "-fPIC"

g = {}

g['CC'] = get_toolchain('CC')

g['CXX'] = toolchain_cxx if have_cxx else get_toolchain('CC') + ' --driver-mode=g++'

opt_flags = ["-DNDEBUG"]

g['OPT'] = ' '.join(opt_flags)

g['INCLUDEPY'] = python_inc

g['CONFINCLUDEPY'] = python_inc

g['CPPFLAGS'] = '-I. -I' + python_inc

gnu_source = "-D_GNU_SOURCE=1"

g['USE_GNU_SOURCE'] = gnu_source

cflags_default = list(opt_flags)

if win32_native:

cflags_default += ["-DMS_WINDOWS", "-DPy_ENABLE_SHARED", "-DHAVE_DECLSPEC_DLL"]

g['CFLAGS_DEFAULT'] = ' '.join(cflags_default)

g['CFLAGS'] = ' '.join(cflags_default + [gnu_source])

g['LDFLAGS'] = ""

g['LIBS'] = ""

g['SYSLIBS'] = ""

g['CCSHARED'] = fpic

if darwin_native:

# MACOSX_DEPLOYMENT_TARGET is taken from the minimum version we build

# GraalPy for, which is currently BigSur

g['MACOSX_DEPLOYMENT_TARGET'] = "11"

else:

g['MACOSX_DEPLOYMENT_TARGET'] = ""

if darwin_native:

g['LDFLAGS'] = "-bundle -undefined dynamic_lookup"

ldshared_common = g['LDFLAGS']

g['LIBPYTHON'] = ''

elif win32_native:

g['LDFLAGS'] = f"-L{__graalpython__.capi_home.replace(os.path.sep, '/')}"

ldshared_common = f"-shared {fpic} {g['LDFLAGS']}"

else:

ldshared_common = f"-shared {fpic}"

g['LIBPYTHON'] = ''

g['LDSHARED'] = f"{g['CC']} {ldshared_common}"

g['LDCXXSHARED'] = f"{g['CXX']} {ldshared_common}"

g['SOABI'] = so_abi

g['EXT_SUFFIX'] = "." + so_abi + so_ext

g['SHLIB_SUFFIX'] = so_ext

g['SO'] = "." + so_abi + so_ext # deprecated in Python 3, for backward compatibility

g['AR'] = get_toolchain('AR')

g['RANLIB'] = get_toolchain('RANLIB')

g['ARFLAGS'] = "rc"

g['LD'] = get_toolchain('LD')

g['EXE'] = ".exe" if win32_native else ""

g['LIBDIR'] = os.path.join(sys.prefix, 'lib')

g['VERSION'] = ".".join(sys.version.split(".")[:2])

g['Py_HASH_ALGORITHM'] = 0 # does not give any specific info about the hashing algorithm

g['NM'] = get_toolchain('NM')

g['MULTIARCH'] = sys.implementation._multiarch

g['ABIFLAGS'] = ""

g['Py_DEBUG'] = 0

g['Py_ENABLE_SHARED'] = 0

g['LIBDIR'] = __graalpython__.capi_home

g['LIBDEST'] = __graalpython__.capi_home

g['LDLIBRARY'] = 'libpython.' + so_abi + so_ext

g['LIBPL'] = __graalpython__.capi_home.replace(os.path.sep, '/')

return g

def make_sysconfigdata():

# the sysconfigdata module name matches what's computed in stdlib's sysconfig.py

import sys

multiarch = getattr(sys.implementation, '_multiarch', '')

name = f'_sysconfigdata_{sys.abiflags}_{sys.platform}_{multiarch}'

sys.modules[name] = mod = type(sys)(name)

no_default = object()

def __getattr__(key, default=no_default):

if key == "build_time_vars":

return _get_posix_vars()

elif default is no_default:

raise AttributeError(key)

else:

return default

mod.__getattr__ = __getattr__

make_sysconfigdata()