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859 lines
29 KiB
Python
859 lines
29 KiB
Python
from __future__ import division, absolute_import, print_function
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import os
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import re
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import sys
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import types
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import shlex
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import time
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import subprocess
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from copy import copy
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from distutils import ccompiler
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from distutils.ccompiler import *
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from distutils.errors import DistutilsExecError, DistutilsModuleError, \
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DistutilsPlatformError, CompileError
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from distutils.sysconfig import customize_compiler
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from distutils.version import LooseVersion
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from numpy.distutils import log
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from numpy.distutils.compat import get_exception
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from numpy.distutils.exec_command import (
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filepath_from_subprocess_output, forward_bytes_to_stdout
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)
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from numpy.distutils.misc_util import cyg2win32, is_sequence, mingw32, \
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get_num_build_jobs, \
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_commandline_dep_string
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# globals for parallel build management
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try:
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import threading
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except ImportError:
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import dummy_threading as threading
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_job_semaphore = None
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_global_lock = threading.Lock()
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_processing_files = set()
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def _needs_build(obj, cc_args, extra_postargs, pp_opts):
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"""
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Check if an objects needs to be rebuild based on its dependencies
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Parameters
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----------
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obj : str
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object file
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Returns
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-------
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bool
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"""
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# defined in unixcompiler.py
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dep_file = obj + '.d'
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if not os.path.exists(dep_file):
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return True
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# dep_file is a makefile containing 'object: dependencies'
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# formatted like posix shell (spaces escaped, \ line continuations)
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# the last line contains the compiler commandline arguments as some
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# projects may compile an extension multiple times with different
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# arguments
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with open(dep_file, "r") as f:
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lines = f.readlines()
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cmdline =_commandline_dep_string(cc_args, extra_postargs, pp_opts)
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last_cmdline = lines[-1]
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if last_cmdline != cmdline:
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return True
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contents = ''.join(lines[:-1])
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deps = [x for x in shlex.split(contents, posix=True)
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if x != "\n" and not x.endswith(":")]
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try:
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t_obj = os.stat(obj).st_mtime
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# check if any of the dependencies is newer than the object
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# the dependencies includes the source used to create the object
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for f in deps:
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if os.stat(f).st_mtime > t_obj:
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return True
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except OSError:
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# no object counts as newer (shouldn't happen if dep_file exists)
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return True
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return False
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def replace_method(klass, method_name, func):
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if sys.version_info[0] < 3:
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m = types.MethodType(func, None, klass)
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else:
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# Py3k does not have unbound method anymore, MethodType does not work
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m = lambda self, *args, **kw: func(self, *args, **kw)
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setattr(klass, method_name, m)
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######################################################################
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## Method that subclasses may redefine. But don't call this method,
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## it i private to CCompiler class and may return unexpected
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## results if used elsewhere. So, you have been warned..
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def CCompiler_find_executables(self):
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"""
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Does nothing here, but is called by the get_version method and can be
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overridden by subclasses. In particular it is redefined in the `FCompiler`
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class where more documentation can be found.
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"""
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pass
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replace_method(CCompiler, 'find_executables', CCompiler_find_executables)
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# Using customized CCompiler.spawn.
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def CCompiler_spawn(self, cmd, display=None):
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"""
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Execute a command in a sub-process.
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Parameters
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----------
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cmd : str
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The command to execute.
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display : str or sequence of str, optional
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The text to add to the log file kept by `numpy.distutils`.
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If not given, `display` is equal to `cmd`.
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Returns
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-------
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None
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Raises
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------
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DistutilsExecError
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If the command failed, i.e. the exit status was not 0.
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"""
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if display is None:
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display = cmd
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if is_sequence(display):
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display = ' '.join(list(display))
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log.info(display)
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try:
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subprocess.check_output(cmd)
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except subprocess.CalledProcessError as exc:
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o = exc.output
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s = exc.returncode
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except OSError:
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# OSError doesn't have the same hooks for the exception
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# output, but exec_command() historically would use an
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# empty string for EnvironmentError (base class for
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# OSError)
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o = b''
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# status previously used by exec_command() for parent
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# of OSError
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s = 127
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else:
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# use a convenience return here so that any kind of
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# caught exception will execute the default code after the
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# try / except block, which handles various exceptions
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return None
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if is_sequence(cmd):
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cmd = ' '.join(list(cmd))
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forward_bytes_to_stdout(o)
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if re.search(b'Too many open files', o):
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msg = '\nTry rerunning setup command until build succeeds.'
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else:
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msg = ''
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raise DistutilsExecError('Command "%s" failed with exit status %d%s' %
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(cmd, s, msg))
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replace_method(CCompiler, 'spawn', CCompiler_spawn)
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def CCompiler_object_filenames(self, source_filenames, strip_dir=0, output_dir=''):
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"""
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Return the name of the object files for the given source files.
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Parameters
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----------
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source_filenames : list of str
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The list of paths to source files. Paths can be either relative or
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absolute, this is handled transparently.
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strip_dir : bool, optional
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Whether to strip the directory from the returned paths. If True,
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the file name prepended by `output_dir` is returned. Default is False.
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output_dir : str, optional
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If given, this path is prepended to the returned paths to the
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object files.
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Returns
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-------
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obj_names : list of str
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The list of paths to the object files corresponding to the source
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files in `source_filenames`.
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"""
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if output_dir is None:
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output_dir = ''
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obj_names = []
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for src_name in source_filenames:
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base, ext = os.path.splitext(os.path.normpath(src_name))
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base = os.path.splitdrive(base)[1] # Chop off the drive
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base = base[os.path.isabs(base):] # If abs, chop off leading /
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if base.startswith('..'):
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# Resolve starting relative path components, middle ones
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# (if any) have been handled by os.path.normpath above.
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i = base.rfind('..')+2
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d = base[:i]
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d = os.path.basename(os.path.abspath(d))
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base = d + base[i:]
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if ext not in self.src_extensions:
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raise UnknownFileError("unknown file type '%s' (from '%s')" % (ext, src_name))
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if strip_dir:
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base = os.path.basename(base)
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obj_name = os.path.join(output_dir, base + self.obj_extension)
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obj_names.append(obj_name)
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return obj_names
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replace_method(CCompiler, 'object_filenames', CCompiler_object_filenames)
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def CCompiler_compile(self, sources, output_dir=None, macros=None,
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include_dirs=None, debug=0, extra_preargs=None,
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extra_postargs=None, depends=None):
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"""
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Compile one or more source files.
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Please refer to the Python distutils API reference for more details.
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Parameters
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----------
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sources : list of str
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A list of filenames
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output_dir : str, optional
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Path to the output directory.
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macros : list of tuples
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A list of macro definitions.
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include_dirs : list of str, optional
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The directories to add to the default include file search path for
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this compilation only.
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debug : bool, optional
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Whether or not to output debug symbols in or alongside the object
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file(s).
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extra_preargs, extra_postargs : ?
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Extra pre- and post-arguments.
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depends : list of str, optional
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A list of file names that all targets depend on.
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Returns
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-------
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objects : list of str
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A list of object file names, one per source file `sources`.
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Raises
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------
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CompileError
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If compilation fails.
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"""
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# This method is effective only with Python >=2.3 distutils.
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# Any changes here should be applied also to fcompiler.compile
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# method to support pre Python 2.3 distutils.
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global _job_semaphore
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jobs = get_num_build_jobs()
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# setup semaphore to not exceed number of compile jobs when parallelized at
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# extension level (python >= 3.5)
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with _global_lock:
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if _job_semaphore is None:
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_job_semaphore = threading.Semaphore(jobs)
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if not sources:
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return []
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# FIXME:RELATIVE_IMPORT
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if sys.version_info[0] < 3:
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from .fcompiler import FCompiler, is_f_file, has_f90_header
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else:
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from numpy.distutils.fcompiler import (FCompiler, is_f_file,
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has_f90_header)
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if isinstance(self, FCompiler):
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display = []
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for fc in ['f77', 'f90', 'fix']:
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fcomp = getattr(self, 'compiler_'+fc)
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if fcomp is None:
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continue
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display.append("Fortran %s compiler: %s" % (fc, ' '.join(fcomp)))
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display = '\n'.join(display)
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else:
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ccomp = self.compiler_so
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display = "C compiler: %s\n" % (' '.join(ccomp),)
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log.info(display)
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macros, objects, extra_postargs, pp_opts, build = \
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self._setup_compile(output_dir, macros, include_dirs, sources,
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depends, extra_postargs)
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cc_args = self._get_cc_args(pp_opts, debug, extra_preargs)
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display = "compile options: '%s'" % (' '.join(cc_args))
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if extra_postargs:
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display += "\nextra options: '%s'" % (' '.join(extra_postargs))
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log.info(display)
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def single_compile(args):
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obj, (src, ext) = args
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if not _needs_build(obj, cc_args, extra_postargs, pp_opts):
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return
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# check if we are currently already processing the same object
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# happens when using the same source in multiple extensions
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while True:
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# need explicit lock as there is no atomic check and add with GIL
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with _global_lock:
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# file not being worked on, start working
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if obj not in _processing_files:
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_processing_files.add(obj)
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break
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# wait for the processing to end
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time.sleep(0.1)
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try:
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# retrieve slot from our #job semaphore and build
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with _job_semaphore:
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self._compile(obj, src, ext, cc_args, extra_postargs, pp_opts)
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finally:
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# register being done processing
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with _global_lock:
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_processing_files.remove(obj)
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if isinstance(self, FCompiler):
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objects_to_build = list(build.keys())
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f77_objects, other_objects = [], []
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for obj in objects:
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if obj in objects_to_build:
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src, ext = build[obj]
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if self.compiler_type=='absoft':
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obj = cyg2win32(obj)
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src = cyg2win32(src)
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if is_f_file(src) and not has_f90_header(src):
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f77_objects.append((obj, (src, ext)))
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else:
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other_objects.append((obj, (src, ext)))
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# f77 objects can be built in parallel
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build_items = f77_objects
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# build f90 modules serial, module files are generated during
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# compilation and may be used by files later in the list so the
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# ordering is important
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for o in other_objects:
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single_compile(o)
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else:
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build_items = build.items()
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if len(build) > 1 and jobs > 1:
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# build parallel
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import multiprocessing.pool
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pool = multiprocessing.pool.ThreadPool(jobs)
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pool.map(single_compile, build_items)
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pool.close()
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else:
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# build serial
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for o in build_items:
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single_compile(o)
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# Return *all* object filenames, not just the ones we just built.
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return objects
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replace_method(CCompiler, 'compile', CCompiler_compile)
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def CCompiler_customize_cmd(self, cmd, ignore=()):
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"""
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Customize compiler using distutils command.
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Parameters
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----------
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cmd : class instance
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An instance inheriting from `distutils.cmd.Command`.
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ignore : sequence of str, optional
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List of `CCompiler` commands (without ``'set_'``) that should not be
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altered. Strings that are checked for are:
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``('include_dirs', 'define', 'undef', 'libraries', 'library_dirs',
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'rpath', 'link_objects')``.
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Returns
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-------
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None
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"""
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log.info('customize %s using %s' % (self.__class__.__name__,
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cmd.__class__.__name__))
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def allow(attr):
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return getattr(cmd, attr, None) is not None and attr not in ignore
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if allow('include_dirs'):
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self.set_include_dirs(cmd.include_dirs)
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if allow('define'):
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for (name, value) in cmd.define:
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self.define_macro(name, value)
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if allow('undef'):
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for macro in cmd.undef:
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self.undefine_macro(macro)
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if allow('libraries'):
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self.set_libraries(self.libraries + cmd.libraries)
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if allow('library_dirs'):
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self.set_library_dirs(self.library_dirs + cmd.library_dirs)
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if allow('rpath'):
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self.set_runtime_library_dirs(cmd.rpath)
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if allow('link_objects'):
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self.set_link_objects(cmd.link_objects)
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replace_method(CCompiler, 'customize_cmd', CCompiler_customize_cmd)
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def _compiler_to_string(compiler):
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props = []
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mx = 0
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keys = list(compiler.executables.keys())
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for key in ['version', 'libraries', 'library_dirs',
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'object_switch', 'compile_switch',
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'include_dirs', 'define', 'undef', 'rpath', 'link_objects']:
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if key not in keys:
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keys.append(key)
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for key in keys:
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if hasattr(compiler, key):
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v = getattr(compiler, key)
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mx = max(mx, len(key))
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props.append((key, repr(v)))
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fmt = '%-' + repr(mx+1) + 's = %s'
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lines = [fmt % prop for prop in props]
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return '\n'.join(lines)
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def CCompiler_show_customization(self):
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"""
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Print the compiler customizations to stdout.
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Parameters
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----------
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None
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Returns
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-------
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None
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Notes
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-----
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Printing is only done if the distutils log threshold is < 2.
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"""
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if 0:
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for attrname in ['include_dirs', 'define', 'undef',
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'libraries', 'library_dirs',
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'rpath', 'link_objects']:
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attr = getattr(self, attrname, None)
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if not attr:
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continue
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log.info("compiler '%s' is set to %s" % (attrname, attr))
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try:
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self.get_version()
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except Exception:
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pass
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if log._global_log.threshold<2:
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print('*'*80)
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print(self.__class__)
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print(_compiler_to_string(self))
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print('*'*80)
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replace_method(CCompiler, 'show_customization', CCompiler_show_customization)
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def CCompiler_customize(self, dist, need_cxx=0):
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"""
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Do any platform-specific customization of a compiler instance.
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This method calls `distutils.sysconfig.customize_compiler` for
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platform-specific customization, as well as optionally remove a flag
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to suppress spurious warnings in case C++ code is being compiled.
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Parameters
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----------
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dist : object
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This parameter is not used for anything.
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need_cxx : bool, optional
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Whether or not C++ has to be compiled. If so (True), the
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``"-Wstrict-prototypes"`` option is removed to prevent spurious
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warnings. Default is False.
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Returns
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-------
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None
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Notes
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-----
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All the default options used by distutils can be extracted with::
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from distutils import sysconfig
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sysconfig.get_config_vars('CC', 'CXX', 'OPT', 'BASECFLAGS',
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'CCSHARED', 'LDSHARED', 'SO')
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"""
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# See FCompiler.customize for suggested usage.
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log.info('customize %s' % (self.__class__.__name__))
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customize_compiler(self)
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if need_cxx:
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# In general, distutils uses -Wstrict-prototypes, but this option is
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# not valid for C++ code, only for C. Remove it if it's there to
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# avoid a spurious warning on every compilation.
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try:
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self.compiler_so.remove('-Wstrict-prototypes')
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except (AttributeError, ValueError):
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pass
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if hasattr(self, 'compiler') and 'cc' in self.compiler[0]:
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if not self.compiler_cxx:
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if self.compiler[0].startswith('gcc'):
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a, b = 'gcc', 'g++'
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else:
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a, b = 'cc', 'c++'
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self.compiler_cxx = [self.compiler[0].replace(a, b)]\
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+ self.compiler[1:]
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else:
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if hasattr(self, 'compiler'):
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log.warn("#### %s #######" % (self.compiler,))
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if not hasattr(self, 'compiler_cxx'):
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log.warn('Missing compiler_cxx fix for ' + self.__class__.__name__)
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# check if compiler supports gcc style automatic dependencies
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# run on every extension so skip for known good compilers
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if hasattr(self, 'compiler') and ('gcc' in self.compiler[0] or
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'g++' in self.compiler[0] or
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'clang' in self.compiler[0]):
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self._auto_depends = True
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elif os.name == 'posix':
|
|
import tempfile
|
|
import shutil
|
|
tmpdir = tempfile.mkdtemp()
|
|
try:
|
|
fn = os.path.join(tmpdir, "file.c")
|
|
with open(fn, "w") as f:
|
|
f.write("int a;\n")
|
|
self.compile([fn], output_dir=tmpdir,
|
|
extra_preargs=['-MMD', '-MF', fn + '.d'])
|
|
self._auto_depends = True
|
|
except CompileError:
|
|
self._auto_depends = False
|
|
finally:
|
|
shutil.rmtree(tmpdir)
|
|
|
|
return
|
|
|
|
replace_method(CCompiler, 'customize', CCompiler_customize)
|
|
|
|
def simple_version_match(pat=r'[-.\d]+', ignore='', start=''):
|
|
"""
|
|
Simple matching of version numbers, for use in CCompiler and FCompiler.
|
|
|
|
Parameters
|
|
----------
|
|
pat : str, optional
|
|
A regular expression matching version numbers.
|
|
Default is ``r'[-.\\d]+'``.
|
|
ignore : str, optional
|
|
A regular expression matching patterns to skip.
|
|
Default is ``''``, in which case nothing is skipped.
|
|
start : str, optional
|
|
A regular expression matching the start of where to start looking
|
|
for version numbers.
|
|
Default is ``''``, in which case searching is started at the
|
|
beginning of the version string given to `matcher`.
|
|
|
|
Returns
|
|
-------
|
|
matcher : callable
|
|
A function that is appropriate to use as the ``.version_match``
|
|
attribute of a `CCompiler` class. `matcher` takes a single parameter,
|
|
a version string.
|
|
|
|
"""
|
|
def matcher(self, version_string):
|
|
# version string may appear in the second line, so getting rid
|
|
# of new lines:
|
|
version_string = version_string.replace('\n', ' ')
|
|
pos = 0
|
|
if start:
|
|
m = re.match(start, version_string)
|
|
if not m:
|
|
return None
|
|
pos = m.end()
|
|
while True:
|
|
m = re.search(pat, version_string[pos:])
|
|
if not m:
|
|
return None
|
|
if ignore and re.match(ignore, m.group(0)):
|
|
pos = m.end()
|
|
continue
|
|
break
|
|
return m.group(0)
|
|
return matcher
|
|
|
|
def CCompiler_get_version(self, force=False, ok_status=[0]):
|
|
"""
|
|
Return compiler version, or None if compiler is not available.
|
|
|
|
Parameters
|
|
----------
|
|
force : bool, optional
|
|
If True, force a new determination of the version, even if the
|
|
compiler already has a version attribute. Default is False.
|
|
ok_status : list of int, optional
|
|
The list of status values returned by the version look-up process
|
|
for which a version string is returned. If the status value is not
|
|
in `ok_status`, None is returned. Default is ``[0]``.
|
|
|
|
Returns
|
|
-------
|
|
version : str or None
|
|
Version string, in the format of `distutils.version.LooseVersion`.
|
|
|
|
"""
|
|
if not force and hasattr(self, 'version'):
|
|
return self.version
|
|
self.find_executables()
|
|
try:
|
|
version_cmd = self.version_cmd
|
|
except AttributeError:
|
|
return None
|
|
if not version_cmd or not version_cmd[0]:
|
|
return None
|
|
try:
|
|
matcher = self.version_match
|
|
except AttributeError:
|
|
try:
|
|
pat = self.version_pattern
|
|
except AttributeError:
|
|
return None
|
|
def matcher(version_string):
|
|
m = re.match(pat, version_string)
|
|
if not m:
|
|
return None
|
|
version = m.group('version')
|
|
return version
|
|
|
|
try:
|
|
output = subprocess.check_output(version_cmd)
|
|
except subprocess.CalledProcessError as exc:
|
|
output = exc.output
|
|
status = exc.returncode
|
|
except OSError:
|
|
# match the historical returns for a parent
|
|
# exception class caught by exec_command()
|
|
status = 127
|
|
output = b''
|
|
else:
|
|
# output isn't actually a filepath but we do this
|
|
# for now to match previous distutils behavior
|
|
output = filepath_from_subprocess_output(output)
|
|
status = 0
|
|
|
|
version = None
|
|
if status in ok_status:
|
|
version = matcher(output)
|
|
if version:
|
|
version = LooseVersion(version)
|
|
self.version = version
|
|
return version
|
|
|
|
replace_method(CCompiler, 'get_version', CCompiler_get_version)
|
|
|
|
def CCompiler_cxx_compiler(self):
|
|
"""
|
|
Return the C++ compiler.
|
|
|
|
Parameters
|
|
----------
|
|
None
|
|
|
|
Returns
|
|
-------
|
|
cxx : class instance
|
|
The C++ compiler, as a `CCompiler` instance.
|
|
|
|
"""
|
|
if self.compiler_type in ('msvc', 'intelw', 'intelemw'):
|
|
return self
|
|
|
|
cxx = copy(self)
|
|
cxx.compiler_so = [cxx.compiler_cxx[0]] + cxx.compiler_so[1:]
|
|
if sys.platform.startswith('aix') and 'ld_so_aix' in cxx.linker_so[0]:
|
|
# AIX needs the ld_so_aix script included with Python
|
|
cxx.linker_so = [cxx.linker_so[0], cxx.compiler_cxx[0]] \
|
|
+ cxx.linker_so[2:]
|
|
else:
|
|
cxx.linker_so = [cxx.compiler_cxx[0]] + cxx.linker_so[1:]
|
|
return cxx
|
|
|
|
replace_method(CCompiler, 'cxx_compiler', CCompiler_cxx_compiler)
|
|
|
|
compiler_class['intel'] = ('intelccompiler', 'IntelCCompiler',
|
|
"Intel C Compiler for 32-bit applications")
|
|
compiler_class['intele'] = ('intelccompiler', 'IntelItaniumCCompiler',
|
|
"Intel C Itanium Compiler for Itanium-based applications")
|
|
compiler_class['intelem'] = ('intelccompiler', 'IntelEM64TCCompiler',
|
|
"Intel C Compiler for 64-bit applications")
|
|
compiler_class['intelw'] = ('intelccompiler', 'IntelCCompilerW',
|
|
"Intel C Compiler for 32-bit applications on Windows")
|
|
compiler_class['intelemw'] = ('intelccompiler', 'IntelEM64TCCompilerW',
|
|
"Intel C Compiler for 64-bit applications on Windows")
|
|
compiler_class['pathcc'] = ('pathccompiler', 'PathScaleCCompiler',
|
|
"PathScale Compiler for SiCortex-based applications")
|
|
ccompiler._default_compilers += (('linux.*', 'intel'),
|
|
('linux.*', 'intele'),
|
|
('linux.*', 'intelem'),
|
|
('linux.*', 'pathcc'),
|
|
('nt', 'intelw'),
|
|
('nt', 'intelemw'))
|
|
|
|
if sys.platform == 'win32':
|
|
compiler_class['mingw32'] = ('mingw32ccompiler', 'Mingw32CCompiler',
|
|
"Mingw32 port of GNU C Compiler for Win32"\
|
|
"(for MSC built Python)")
|
|
if mingw32():
|
|
# On windows platforms, we want to default to mingw32 (gcc)
|
|
# because msvc can't build blitz stuff.
|
|
log.info('Setting mingw32 as default compiler for nt.')
|
|
ccompiler._default_compilers = (('nt', 'mingw32'),) \
|
|
+ ccompiler._default_compilers
|
|
|
|
|
|
_distutils_new_compiler = new_compiler
|
|
def new_compiler (plat=None,
|
|
compiler=None,
|
|
verbose=0,
|
|
dry_run=0,
|
|
force=0):
|
|
# Try first C compilers from numpy.distutils.
|
|
if plat is None:
|
|
plat = os.name
|
|
try:
|
|
if compiler is None:
|
|
compiler = get_default_compiler(plat)
|
|
(module_name, class_name, long_description) = compiler_class[compiler]
|
|
except KeyError:
|
|
msg = "don't know how to compile C/C++ code on platform '%s'" % plat
|
|
if compiler is not None:
|
|
msg = msg + " with '%s' compiler" % compiler
|
|
raise DistutilsPlatformError(msg)
|
|
module_name = "numpy.distutils." + module_name
|
|
try:
|
|
__import__ (module_name)
|
|
except ImportError:
|
|
msg = str(get_exception())
|
|
log.info('%s in numpy.distutils; trying from distutils',
|
|
str(msg))
|
|
module_name = module_name[6:]
|
|
try:
|
|
__import__(module_name)
|
|
except ImportError:
|
|
msg = str(get_exception())
|
|
raise DistutilsModuleError("can't compile C/C++ code: unable to load module '%s'" % \
|
|
module_name)
|
|
try:
|
|
module = sys.modules[module_name]
|
|
klass = vars(module)[class_name]
|
|
except KeyError:
|
|
raise DistutilsModuleError(("can't compile C/C++ code: unable to find class '%s' " +
|
|
"in module '%s'") % (class_name, module_name))
|
|
compiler = klass(None, dry_run, force)
|
|
log.debug('new_compiler returns %s' % (klass))
|
|
return compiler
|
|
|
|
ccompiler.new_compiler = new_compiler
|
|
|
|
_distutils_gen_lib_options = gen_lib_options
|
|
def gen_lib_options(compiler, library_dirs, runtime_library_dirs, libraries):
|
|
# the version of this function provided by CPython allows the following
|
|
# to return lists, which are unpacked automatically:
|
|
# - compiler.runtime_library_dir_option
|
|
# our version extends the behavior to:
|
|
# - compiler.library_dir_option
|
|
# - compiler.library_option
|
|
# - compiler.find_library_file
|
|
r = _distutils_gen_lib_options(compiler, library_dirs,
|
|
runtime_library_dirs, libraries)
|
|
lib_opts = []
|
|
for i in r:
|
|
if is_sequence(i):
|
|
lib_opts.extend(list(i))
|
|
else:
|
|
lib_opts.append(i)
|
|
return lib_opts
|
|
ccompiler.gen_lib_options = gen_lib_options
|
|
|
|
# Also fix up the various compiler modules, which do
|
|
# from distutils.ccompiler import gen_lib_options
|
|
# Don't bother with mwerks, as we don't support Classic Mac.
|
|
for _cc in ['msvc9', 'msvc', '_msvc', 'bcpp', 'cygwinc', 'emxc', 'unixc']:
|
|
_m = sys.modules.get('distutils.' + _cc + 'compiler')
|
|
if _m is not None:
|
|
setattr(_m, 'gen_lib_options', gen_lib_options)
|
|
|
|
|
|
##Fix distutils.util.split_quoted:
|
|
# NOTE: I removed this fix in revision 4481 (see ticket #619), but it appears
|
|
# that removing this fix causes f2py problems on Windows XP (see ticket #723).
|
|
# Specifically, on WinXP when gfortran is installed in a directory path, which
|
|
# contains spaces, then f2py is unable to find it.
|
|
import string
|
|
_wordchars_re = re.compile(r'[^\\\'\"%s ]*' % string.whitespace)
|
|
_squote_re = re.compile(r"'(?:[^'\\]|\\.)*'")
|
|
_dquote_re = re.compile(r'"(?:[^"\\]|\\.)*"')
|
|
_has_white_re = re.compile(r'\s')
|
|
def split_quoted(s):
|
|
s = s.strip()
|
|
words = []
|
|
pos = 0
|
|
|
|
while s:
|
|
m = _wordchars_re.match(s, pos)
|
|
end = m.end()
|
|
if end == len(s):
|
|
words.append(s[:end])
|
|
break
|
|
|
|
if s[end] in string.whitespace: # unescaped, unquoted whitespace: now
|
|
words.append(s[:end]) # we definitely have a word delimiter
|
|
s = s[end:].lstrip()
|
|
pos = 0
|
|
|
|
elif s[end] == '\\': # preserve whatever is being escaped;
|
|
# will become part of the current word
|
|
s = s[:end] + s[end+1:]
|
|
pos = end+1
|
|
|
|
else:
|
|
if s[end] == "'": # slurp singly-quoted string
|
|
m = _squote_re.match(s, end)
|
|
elif s[end] == '"': # slurp doubly-quoted string
|
|
m = _dquote_re.match(s, end)
|
|
else:
|
|
raise RuntimeError("this can't happen (bad char '%c')" % s[end])
|
|
|
|
if m is None:
|
|
raise ValueError("bad string (mismatched %s quotes?)" % s[end])
|
|
|
|
(beg, end) = m.span()
|
|
if _has_white_re.search(s[beg+1:end-1]):
|
|
s = s[:beg] + s[beg+1:end-1] + s[end:]
|
|
pos = m.end() - 2
|
|
else:
|
|
# Keeping quotes when a quoted word does not contain
|
|
# white-space. XXX: send a patch to distutils
|
|
pos = m.end()
|
|
|
|
if pos >= len(s):
|
|
words.append(s)
|
|
break
|
|
|
|
return words
|
|
ccompiler.split_quoted = split_quoted
|
|
##Fix distutils.util.split_quoted:
|