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112 lines
4.9 KiB
Python
112 lines
4.9 KiB
Python
import os
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import re
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import subprocess
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import sys
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import pybind11
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from setuptools import setup, Extension
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from setuptools.command.build_ext import build_ext
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project_path = os.path.dirname(os.path.realpath(__file__))
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# A CMakeExtension needs a sourcedir instead of a file list.
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# The name must be the _single_ output extension from the CMake build.
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# If you need multiple extensions, see scikit-build.
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class CMakeExtension(Extension):
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def __init__(self, name, sourcedir=""):
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Extension.__init__(self, name, sources=[])
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self.sourcedir = os.path.abspath(sourcedir)
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class CMakeBuild(build_ext):
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def build_extension(self, ext):
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from setuptools_scm import get_version
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version = get_version(root='.', relative_to=__file__)
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extdir = os.path.abspath(os.path.dirname(self.get_ext_fullpath(ext.name)))
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# required for auto-detection of auxiliary "native" libs
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if not extdir.endswith(os.path.sep):
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extdir += os.path.sep
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cfg = "Debug" if self.debug else "RelWithDebInfo"
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if 'QUICKTEX_DEBUG' in os.environ:
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cfg = "Debug"
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# CMake lets you override the generator - we need to check this.
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# Can be set with Conda-Build, for example.
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cmake_generator = os.environ.get("CMAKE_GENERATOR", "")
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# Set Python_EXECUTABLE instead if you use PYBIND11_FINDPYTHON
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cmake_args = [
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"-DCMAKE_LIBRARY_OUTPUT_DIRECTORY={}".format(extdir),
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"-Dpybind11_DIR={}".format(pybind11.get_cmake_dir()),
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"-DPython_EXECUTABLE={}".format(sys.executable),
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"-DPython_ROOT_DIR={}".format(os.path.dirname(sys.executable)),
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"-DQUICKTEX_VERSION_INFO={}".format(version), # include version info in module
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"-DQUICKTEX_MODULE_ONLY=TRUE", # only build the module, not the wrapper
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"-DCMAKE_BUILD_TYPE={}".format(cfg), # not used on MSVC, but no harm
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# clear cached make program binary, see https://github.com/pypa/setuptools/issues/2912
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"-U",
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"CMAKE_MAKE_PROGRAM",
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]
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build_args = []
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if self.compiler.compiler_type != "msvc":
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# Using Ninja-build since it a) is available as a wheel and b)
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# multithreads automatically. MSVC would require all variables be
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# exported for Ninja to pick it up, which is a little tricky to do.
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# Users can override the generator with CMAKE_GENERATOR in CMake
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# 3.15+.
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if not cmake_generator:
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cmake_args += ["-GNinja"]
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else:
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# Single config generators are handled "normally"
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single_config = any(x in cmake_generator for x in {"NMake", "Ninja"})
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# CMake allows an arch-in-generator style for backward compatibility
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contains_arch = any(x in cmake_generator for x in {"ARM", "Win64"})
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# Convert distutils Windows platform specifiers to CMake -A arguments
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plat_to_cmake = {"win32": "Win32", "win-amd64": "x64", "win-arm32": "ARM", "win-arm64": "ARM64"}
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# Specify the arch if using MSVC generator, but only if it doesn't
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# contain a backward-compatibility arch spec already in the
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# generator name.
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if not single_config and not contains_arch:
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cmake_args += ["-A", plat_to_cmake[self.plat_name]]
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# Multi-config generators have a different way to specify configs
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if not single_config:
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cmake_args += ["-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_{}={}".format(cfg.upper(), extdir)]
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build_args += ["--config", cfg]
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if sys.platform.startswith("darwin"):
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# Cross-compile support for macOS - respect ARCHFLAGS if set
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archs = re.findall(r"-arch (\S+)", os.environ.get("ARCHFLAGS", ""))
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if archs:
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cmake_args += ["-DCMAKE_OSX_ARCHITECTURES={}".format(";".join(archs))]
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# Set CMAKE_BUILD_PARALLEL_LEVEL to control the parallel build level
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# across all generators.
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if "CMAKE_BUILD_PARALLEL_LEVEL" not in os.environ:
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# self.parallel is a Python 3 only way to set parallel jobs by hand
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# using -j in the build_ext call, not supported by pip or PyPA-build.
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if hasattr(self, "parallel") and self.parallel:
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# CMake 3.12+ only.
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build_args += ["-j{}".format(self.parallel)]
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if not os.path.exists(self.build_temp):
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os.makedirs(self.build_temp)
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subprocess.check_call(["cmake", ext.sourcedir] + cmake_args, cwd=self.build_temp)
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subprocess.check_call(["cmake", "--build", ".", "--target", ext.name] + build_args, cwd=self.build_temp)
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# The information here can also be placed in setup.cfg - better separation of
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# logic and declaration, and simpler if you include description/version in a file.
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setup(use_scm_version=True, ext_modules=[CMakeExtension("_quicktex")], cmdclass={"build_ext": CMakeBuild})
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