try:
from setuptools.command.build_ext import build_ext
from setuptools import setup, Extension
except ImportError:
from distutils.command.build_ext import build_ext
from distutils.extension import Extension
from distutils.core import setup
try:
USE_CYTHON = 1
from Cython.Build import cythonize
except ImportError:
USE_CYTHON = 0
from subprocess import Popen
from argparse import ArgumentParser
from sys import byteorder
from re import findall
import os, sys, ctypes
import ctypes.util
def find_executable(*executable):
if sys.platform == "win32":
exe = []
for e in executable:
exe.append(e + ".exe")
executable = exe
path = os.environ.get("PATH", "")
for p in path.split(os.pathsep):
for e in executable:
f = os.path.join(p, e)
if os.path.isfile(f):
return f
return None
def strtobool(s):
if s.lower() in ("1", "y", "yes", "true"):
return 1
return 0
os.chdir(os.path.dirname(os.path.abspath(sys.argv[0])))
if len(sys.argv) < 2:
sys.argv += ["--quiet", "build_ext", "--inplace"]
if USE_CYTHON == 0:
CYTHON = find_executable("cython3", "cython")
LIBA_OPENMP = os.environ.get("LIBA_OPENMP")
if LIBA_OPENMP:
LIBA_OPENMP = strtobool(LIBA_OPENMP)
LIBA_FLOAT = os.environ.get("LIBA_FLOAT")
if LIBA_FLOAT:
LIBA_FLOAT = int(LIBA_FLOAT)
else:
LIBA_FLOAT = 8
def check_math(text=""):
if sys.platform == "win32":
path_libm = ctypes.util.find_library("ucrtbase")
if not path_libm:
path_libm = ctypes.util.find_msvcrt()
else:
path_libm = ctypes.util.find_library("m")
try:
libm = ctypes.CDLL(path_libm)
except Exception:
return text
for func in (
"expm1",
"log1p",
"hypot",
"atan2",
"csqrt",
"cpow",
"cexp",
"clog",
"csin",
"ccos",
"ctan",
"csinh",
"ccosh",
"ctanh",
"casin",
"cacos",
"catan",
"casinh",
"cacosh",
"catanh",
):
name = "A_HAVE_" + func.upper()
if LIBA_FLOAT == 0x10:
func += "l"
if LIBA_FLOAT == 0x04:
func += "f"
try:
libm[func]
except Exception:
continue
text += "#define %s 1\n" % (name)
return text
def configure(config):
with open("setup.cfg", "r") as f:
version = findall(r"version = (\S+)", f.read())[0]
major, minor, patch = findall(r"(\d+).(\d+).(\d+)", version)[0]
order = {"little": 1234, "big": 4321}.get(byteorder)
vsize = ctypes.sizeof(ctypes.c_void_p(0))
text = """/* autogenerated by setup.py */
#define A_VERSION "{}"
#define A_VERSION_MAJOR {}
#define A_VERSION_MINOR {}
#define A_VERSION_PATCH {}
#if !defined A_SIZE_POINTER
#define A_SIZE_POINTER {}
#endif /* A_SIZE_POINTER */
#if !defined A_BYTE_ORDER
#define A_BYTE_ORDER {}
#endif /* A_BYTE_ORDER */
{}""".format(
version, major, minor, patch, vsize, order, check_math()
)
with open(config, "wb") as f:
f.write(text.encode("UTF-8"))
parser = ArgumentParser(add_help=False)
parser.add_argument("-b", "--build-base", default="build")
parser.add_argument("-O", "--link-objects")
args = parser.parse_known_args(sys.argv[1:])
base = args[0].build_base
sources, objects = [], []
config_h = os.path.join(base, "a.setup.h")
a_have_h = os.path.relpath(config_h, "include/a")
define_macros = [("A_HAVE_H", '"' + a_have_h + '"'), ("A_EXPORTS", None)]
if LIBA_FLOAT != 8:
define_macros += [("A_SIZE_FLOAT", LIBA_FLOAT)]
if USE_CYTHON and os.path.exists("python/src/liba.pyx"):
sources += ["python/src/liba.pyx"]
elif CYTHON or os.path.exists("python/src/liba.c"):
sources += ["python/src/liba.c"]
if not os.path.exists(base):
os.makedirs(base)
configure(config_h)
for dirpath, dirnames, filenames in os.walk("src"):
if args[0].link_objects:
break
for filename in filenames:
source = os.path.join(dirpath, filename)
if os.path.splitext(source)[-1] == ".c":
sources.append(source)
ext_modules = [
Extension(
name="liba",
language="c",
sources=sorted(sources),
include_dirs=["include"],
define_macros=define_macros,
)
]
if USE_CYTHON:
ext_modules = cythonize(ext_modules, quiet=True)
elif CYTHON:
Popen([CYTHON, "--fast-fail", "python/src/liba.pyx"]).wait()
class Build(build_ext): def build_extensions(self):
if self.compiler.compiler_type == "msvc":
for e in self.extensions:
if LIBA_OPENMP:
e.extra_compile_args += ["/openmp"]
if not self.compiler.compiler_type == "msvc":
for e in self.extensions:
if LIBA_OPENMP:
e.extra_compile_args += ["-fopenmp"]
e.extra_link_args += ["-fopenmp"]
if self.compiler.compiler_type == "mingw32":
self.compiler.define_macro("__USE_MINGW_ANSI_STDIO", 1)
for e in self.extensions:
if e.language == "c++":
e.extra_link_args += ["-static-libstdc++"]
e.extra_link_args += ["-static-libgcc"]
e.extra_link_args += [
"-Wl,-Bstatic,--whole-archive",
"-lwinpthread",
"-Wl,--no-whole-archive",
]
build_ext.build_extensions(self)
setup(
ext_modules=ext_modules, cmdclass={"build_ext": Build},
)