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import _imp
import os
import sys
from distutils.spawn import find_executable
so_ext = _imp.extension_suffixes()[0]
build_time_vars = {
"SOABI": '-'.join(so_ext.split('.')[1].split('-')[:2]),
"SO": so_ext, # deprecated in Python 3, for backward compatibility
'MULTIARCH': sys.implementation._multiarch,
'CC': "cc -pthread",
'CXX': "c++ -pthread",
'OPT': "-DNDEBUG -O2",
'CFLAGS': "-DNDEBUG -O2",
'CCSHARED': "-fPIC",
'LDSHARED': "cc -pthread -shared",
'EXT_SUFFIX': so_ext,
'SHLIB_SUFFIX': ".so",
'AR': "ar",
'ARFLAGS': "rc",
'EXE': "",
'LIBDIR': os.path.join(sys.prefix, 'lib'),
'VERSION': sys.version[:3]
}
if find_executable("gcc"):
build_time_vars.update({
"CC": "gcc -pthread",
"GNULD": "yes",
"LDSHARED": "gcc -pthread -shared",
})
if find_executable("g++"):
build_time_vars["CXX"] = "g++ -pthread"
if sys.platform[:6] == "darwin":
import platform
if platform.machine() == 'i386':
if platform.architecture()[0] == '32bit':
arch = 'i386'
else:
arch = 'x86_64'
else:
# just a guess
arch = platform.machine()
build_time_vars['LDSHARED'] += ' -undefined dynamic_lookup'
build_time_vars['CC'] += ' -arch %s' % (arch,)
if "CXX" in build_time_vars:
build_time_vars['CXX'] += ' -arch %s' % (arch,)
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