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Diffstat (limited to 'src/python/grpcio/build.py')
| -rw-r--r-- | src/python/grpcio/build.py | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/python/grpcio/build.py b/src/python/grpcio/build.py new file mode 100644 index 0000000000..df5b54cf69 --- /dev/null +++ b/src/python/grpcio/build.py @@ -0,0 +1,117 @@ +# Copyright 2016, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Covers inadequacies in distutils.""" + +from distutils import ccompiler +from distutils import errors +from distutils import unixccompiler +import os +import os.path +import shutil +import sys +import tempfile + + +def _unix_piecemeal_link( + self, target_desc, objects, output_filename, output_dir=None, + libraries=None, library_dirs=None, runtime_library_dirs=None, + export_symbols=None, debug=0, extra_preargs=None, extra_postargs=None, + build_temp=None, target_lang=None): + """`link` externalized method taken almost verbatim from UnixCCompiler. + + Modifies the link command for unix-like compilers by using a command file so + that long command line argument strings don't break the command shell's + ARG_MAX character limit. + """ + objects, output_dir = self._fix_object_args(objects, output_dir) + libraries, library_dirs, runtime_library_dirs = self._fix_lib_args( + libraries, library_dirs, runtime_library_dirs) + # filter out standard library paths, which are not explicitely needed + # for linking + library_dirs = [dir for dir in library_dirs + if not dir in ('/lib', '/lib64', '/usr/lib', '/usr/lib64')] + runtime_library_dirs = [dir for dir in runtime_library_dirs + if not dir in ('/lib', '/lib64', '/usr/lib', '/usr/lib64')] + lib_opts = ccompiler.gen_lib_options(self, library_dirs, runtime_library_dirs, + libraries) + if not isinstance(output_dir, basestring) and output_dir is not None: + raise TypeError, "'output_dir' must be a string or None" + if output_dir is not None: + output_filename = os.path.join(output_dir, output_filename) + + if self._need_link(objects, output_filename): + ld_args = (objects + self.objects + + lib_opts + ['-o', output_filename]) + if debug: + ld_args[:0] = ['-g'] + if extra_preargs: + ld_args[:0] = extra_preargs + if extra_postargs: + ld_args.extend(extra_postargs) + self.mkpath(os.path.dirname(output_filename)) + try: + if target_desc == ccompiler.CCompiler.EXECUTABLE: + linker = self.linker_exe[:] + else: + linker = self.linker_so[:] + if target_lang == "c++" and self.compiler_cxx: + # skip over environment variable settings if /usr/bin/env + # is used to set up the linker's environment. + # This is needed on OSX. Note: this assumes that the + # normal and C++ compiler have the same environment + # settings. + i = 0 + if os.path.basename(linker[0]) == "env": + i = 1 + while '=' in linker[i]: + i = i + 1 + + linker[i] = self.compiler_cxx[i] + + if sys.platform == 'darwin': + import _osx_support + linker = _osx_support.compiler_fixup(linker, ld_args) + + temporary_directory = tempfile.mkdtemp() + command_filename = os.path.abspath( + os.path.join(temporary_directory, 'command')) + with open(command_filename, 'w') as command_file: + escaped_ld_args = [arg.replace('\\', '\\\\') for arg in ld_args] + command_file.write(' '.join(escaped_ld_args)) + self.spawn(linker + ['@{}'.format(command_filename)]) + except errors.DistutilsExecError, msg: + raise ccompiler.LinkError, msg + else: + log.debug("skipping %s (up-to-date)", output_filename) + +def monkeypatch_unix_compiler(): + """Monkeypatching is dumb, but it's either that or we become maintainers of + something much, much bigger.""" + unixccompiler.UnixCCompiler.link = _unix_piecemeal_link |