cupy_setup_build.py 文件源码

def _compile_cu(self, sources, output_dir=None, macros=None,
                    include_dirs=None, debug=0, extra_preargs=None,
                    extra_postargs=None, depends=None):
        # Compile CUDA C files, mainly derived from UnixCCompiler._compile().

        macros, objects, extra_postargs, pp_opts, _build = \
            self._setup_compile(output_dir, macros, include_dirs, sources,
                                depends, extra_postargs)

        compiler_so = build.get_nvcc_path()
        cc_args = self._get_cc_args(pp_opts, debug, extra_preargs)
        cuda_version = build.get_cuda_version()
        postargs = _nvcc_gencode_options(cuda_version) + ['-O2']
        postargs += ['-Xcompiler', '/MD']
        print('NVCC options:', postargs)

        for obj in objects:
            try:
                src, ext = _build[obj]
            except KeyError:
                continue
            try:
                self.spawn(compiler_so + cc_args + [src, '-o', obj] + postargs)
            except errors.DistutilsExecError as e:
                raise errors.CompileError(e.message)

        return objects