# Licensed to the Apache Software Foundation (ASF) under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. The ASF licenses this file # to you under the Apache License, Version 2.0 (the # "License"); you may not use this file except in compliance # with the License. You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, # software distributed under the License is distributed on an # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY # KIND, either express or implied. See the License for the # specific language governing permissions and limitations # under the License. """Util to invoke NDK compiler toolchain.""" # pylint: disable=invalid-name from __future__ import absolute_import as _abs import subprocess import os from .._ffi.base import py_str def create_shared(output, objects, options=None): """Create shared library. Parameters ---------- output : str The target shared library. objects : list List of object files. options : list of str, optional The additional options. """ if "TVM_NDK_CC" not in os.environ: raise RuntimeError("Require environment variable TVM_NDK_CC" " to be the NDK standalone compiler") compiler = os.environ["TVM_NDK_CC"] cmd = [compiler] cmd += ["-o", output] if isinstance(objects, str): cmd += [objects] else: cmd += objects options = options if options else ["-shared", "-fPIC"] cmd += options proc = subprocess.Popen( cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) (out, _) = proc.communicate() if proc.returncode != 0: msg = "Compilation error:\n" msg += py_str(out) raise RuntimeError(msg) # assign output format create_shared.output_format = "so"