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							815 lines
						
					
					
						
							28 KiB
						
					
					
				
			
		
		
	
	
							815 lines
						
					
					
						
							28 KiB
						
					
					
				import os
 | 
						|
import re
 | 
						|
import sys
 | 
						|
import shlex
 | 
						|
import time
 | 
						|
import subprocess
 | 
						|
from copy import copy
 | 
						|
from distutils import ccompiler
 | 
						|
from distutils.ccompiler import (
 | 
						|
    compiler_class, gen_lib_options, get_default_compiler, new_compiler,
 | 
						|
    CCompiler
 | 
						|
)
 | 
						|
from distutils.errors import (
 | 
						|
    DistutilsExecError, DistutilsModuleError, DistutilsPlatformError,
 | 
						|
    CompileError, UnknownFileError
 | 
						|
)
 | 
						|
from distutils.sysconfig import customize_compiler
 | 
						|
from distutils.version import LooseVersion
 | 
						|
 | 
						|
from numpy.distutils import log
 | 
						|
from numpy.distutils.exec_command import (
 | 
						|
    filepath_from_subprocess_output, forward_bytes_to_stdout
 | 
						|
)
 | 
						|
from numpy.distutils.misc_util import cyg2win32, is_sequence, mingw32, \
 | 
						|
                                      get_num_build_jobs, \
 | 
						|
                                      _commandline_dep_string, \
 | 
						|
                                      sanitize_cxx_flags
 | 
						|
 | 
						|
# globals for parallel build management
 | 
						|
import threading
 | 
						|
 | 
						|
_job_semaphore = None
 | 
						|
_global_lock = threading.Lock()
 | 
						|
_processing_files = set()
 | 
						|
 | 
						|
 | 
						|
def _needs_build(obj, cc_args, extra_postargs, pp_opts):
 | 
						|
    """
 | 
						|
    Check if an objects needs to be rebuild based on its dependencies
 | 
						|
 | 
						|
    Parameters
 | 
						|
    ----------
 | 
						|
    obj : str
 | 
						|
        object file
 | 
						|
 | 
						|
    Returns
 | 
						|
    -------
 | 
						|
    bool
 | 
						|
    """
 | 
						|
    # defined in unixcompiler.py
 | 
						|
    dep_file = obj + '.d'
 | 
						|
    if not os.path.exists(dep_file):
 | 
						|
        return True
 | 
						|
 | 
						|
    # dep_file is a makefile containing 'object: dependencies'
 | 
						|
    # formatted like posix shell (spaces escaped, \ line continuations)
 | 
						|
    # the last line contains the compiler commandline arguments as some
 | 
						|
    # projects may compile an extension multiple times with different
 | 
						|
    # arguments
 | 
						|
    with open(dep_file, "r") as f:
 | 
						|
        lines = f.readlines()
 | 
						|
 | 
						|
    cmdline =_commandline_dep_string(cc_args, extra_postargs, pp_opts)
 | 
						|
    last_cmdline = lines[-1]
 | 
						|
    if last_cmdline != cmdline:
 | 
						|
        return True
 | 
						|
 | 
						|
    contents = ''.join(lines[:-1])
 | 
						|
    deps = [x for x in shlex.split(contents, posix=True)
 | 
						|
            if x != "\n" and not x.endswith(":")]
 | 
						|
 | 
						|
    try:
 | 
						|
        t_obj = os.stat(obj).st_mtime
 | 
						|
 | 
						|
        # check if any of the dependencies is newer than the object
 | 
						|
        # the dependencies includes the source used to create the object
 | 
						|
        for f in deps:
 | 
						|
            if os.stat(f).st_mtime > t_obj:
 | 
						|
                return True
 | 
						|
    except OSError:
 | 
						|
        # no object counts as newer (shouldn't happen if dep_file exists)
 | 
						|
        return True
 | 
						|
 | 
						|
    return False
 | 
						|
 | 
						|
 | 
						|
def replace_method(klass, method_name, func):
 | 
						|
    # Py3k does not have unbound method anymore, MethodType does not work
 | 
						|
    m = lambda self, *args, **kw: func(self, *args, **kw)
 | 
						|
    setattr(klass, method_name, m)
 | 
						|
 | 
						|
 | 
						|
######################################################################
 | 
						|
## Method that subclasses may redefine. But don't call this method,
 | 
						|
## it i private to CCompiler class and may return unexpected
 | 
						|
## results if used elsewhere. So, you have been warned..
 | 
						|
 | 
						|
def CCompiler_find_executables(self):
 | 
						|
    """
 | 
						|
    Does nothing here, but is called by the get_version method and can be
 | 
						|
    overridden by subclasses. In particular it is redefined in the `FCompiler`
 | 
						|
    class where more documentation can be found.
 | 
						|
 | 
						|
    """
 | 
						|
    pass
 | 
						|
 | 
						|
 | 
						|
replace_method(CCompiler, 'find_executables', CCompiler_find_executables)
 | 
						|
 | 
						|
 | 
						|
# Using customized CCompiler.spawn.
 | 
						|
def CCompiler_spawn(self, cmd, display=None, env=None):
 | 
						|
    """
 | 
						|
    Execute a command in a sub-process.
 | 
						|
 | 
						|
    Parameters
 | 
						|
    ----------
 | 
						|
    cmd : str
 | 
						|
        The command to execute.
 | 
						|
    display : str or sequence of str, optional
 | 
						|
        The text to add to the log file kept by `numpy.distutils`.
 | 
						|
        If not given, `display` is equal to `cmd`.
 | 
						|
    env : a dictionary for environment variables, optional
 | 
						|
 | 
						|
    Returns
 | 
						|
    -------
 | 
						|
    None
 | 
						|
 | 
						|
    Raises
 | 
						|
    ------
 | 
						|
    DistutilsExecError
 | 
						|
        If the command failed, i.e. the exit status was not 0.
 | 
						|
 | 
						|
    """
 | 
						|
    env = env if env is not None else dict(os.environ)
 | 
						|
    if display is None:
 | 
						|
        display = cmd
 | 
						|
        if is_sequence(display):
 | 
						|
            display = ' '.join(list(display))
 | 
						|
    log.info(display)
 | 
						|
    try:
 | 
						|
        if self.verbose:
 | 
						|
            subprocess.check_output(cmd, env=env)
 | 
						|
        else:
 | 
						|
            subprocess.check_output(cmd, stderr=subprocess.STDOUT, env=env)
 | 
						|
    except subprocess.CalledProcessError as exc:
 | 
						|
        o = exc.output
 | 
						|
        s = exc.returncode
 | 
						|
    except OSError as e:
 | 
						|
        # OSError doesn't have the same hooks for the exception
 | 
						|
        # output, but exec_command() historically would use an
 | 
						|
        # empty string for EnvironmentError (base class for
 | 
						|
        # OSError)
 | 
						|
        # o = b''
 | 
						|
        # still that would make the end-user lost in translation!
 | 
						|
        o = f"\n\n{e}\n\n\n"
 | 
						|
        try:
 | 
						|
            o = o.encode(sys.stdout.encoding)
 | 
						|
        except AttributeError:
 | 
						|
            o = o.encode('utf8')
 | 
						|
        # status previously used by exec_command() for parent
 | 
						|
        # of OSError
 | 
						|
        s = 127
 | 
						|
    else:
 | 
						|
        # use a convenience return here so that any kind of
 | 
						|
        # caught exception will execute the default code after the
 | 
						|
        # try / except block, which handles various exceptions
 | 
						|
        return None
 | 
						|
 | 
						|
    if is_sequence(cmd):
 | 
						|
        cmd = ' '.join(list(cmd))
 | 
						|
 | 
						|
    if self.verbose:
 | 
						|
        forward_bytes_to_stdout(o)
 | 
						|
 | 
						|
    if re.search(b'Too many open files', o):
 | 
						|
        msg = '\nTry rerunning setup command until build succeeds.'
 | 
						|
    else:
 | 
						|
        msg = ''
 | 
						|
    raise DistutilsExecError('Command "%s" failed with exit status %d%s' %
 | 
						|
                            (cmd, s, msg))
 | 
						|
 | 
						|
replace_method(CCompiler, 'spawn', CCompiler_spawn)
 | 
						|
 | 
						|
def CCompiler_object_filenames(self, source_filenames, strip_dir=0, output_dir=''):
 | 
						|
    """
 | 
						|
    Return the name of the object files for the given source files.
 | 
						|
 | 
						|
    Parameters
 | 
						|
    ----------
 | 
						|
    source_filenames : list of str
 | 
						|
        The list of paths to source files. Paths can be either relative or
 | 
						|
        absolute, this is handled transparently.
 | 
						|
    strip_dir : bool, optional
 | 
						|
        Whether to strip the directory from the returned paths. If True,
 | 
						|
        the file name prepended by `output_dir` is returned. Default is False.
 | 
						|
    output_dir : str, optional
 | 
						|
        If given, this path is prepended to the returned paths to the
 | 
						|
        object files.
 | 
						|
 | 
						|
    Returns
 | 
						|
    -------
 | 
						|
    obj_names : list of str
 | 
						|
        The list of paths to the object files corresponding to the source
 | 
						|
        files in `source_filenames`.
 | 
						|
 | 
						|
    """
 | 
						|
    if output_dir is None:
 | 
						|
        output_dir = ''
 | 
						|
    obj_names = []
 | 
						|
    for src_name in source_filenames:
 | 
						|
        base, ext = os.path.splitext(os.path.normpath(src_name))
 | 
						|
        base = os.path.splitdrive(base)[1] # Chop off the drive
 | 
						|
        base = base[os.path.isabs(base):]  # If abs, chop off leading /
 | 
						|
        if base.startswith('..'):
 | 
						|
            # Resolve starting relative path components, middle ones
 | 
						|
            # (if any) have been handled by os.path.normpath above.
 | 
						|
            i = base.rfind('..')+2
 | 
						|
            d = base[:i]
 | 
						|
            d = os.path.basename(os.path.abspath(d))
 | 
						|
            base = d + base[i:]
 | 
						|
        if ext not in self.src_extensions:
 | 
						|
            raise UnknownFileError("unknown file type '%s' (from '%s')" % (ext, src_name))
 | 
						|
        if strip_dir:
 | 
						|
            base = os.path.basename(base)
 | 
						|
        obj_name = os.path.join(output_dir, base + self.obj_extension)
 | 
						|
        obj_names.append(obj_name)
 | 
						|
    return obj_names
 | 
						|
 | 
						|
replace_method(CCompiler, 'object_filenames', CCompiler_object_filenames)
 | 
						|
 | 
						|
def CCompiler_compile(self, sources, output_dir=None, macros=None,
 | 
						|
                      include_dirs=None, debug=0, extra_preargs=None,
 | 
						|
                      extra_postargs=None, depends=None):
 | 
						|
    """
 | 
						|
    Compile one or more source files.
 | 
						|
 | 
						|
    Please refer to the Python distutils API reference for more details.
 | 
						|
 | 
						|
    Parameters
 | 
						|
    ----------
 | 
						|
    sources : list of str
 | 
						|
        A list of filenames
 | 
						|
    output_dir : str, optional
 | 
						|
        Path to the output directory.
 | 
						|
    macros : list of tuples
 | 
						|
        A list of macro definitions.
 | 
						|
    include_dirs : list of str, optional
 | 
						|
        The directories to add to the default include file search path for
 | 
						|
        this compilation only.
 | 
						|
    debug : bool, optional
 | 
						|
        Whether or not to output debug symbols in or alongside the object
 | 
						|
        file(s).
 | 
						|
    extra_preargs, extra_postargs : ?
 | 
						|
        Extra pre- and post-arguments.
 | 
						|
    depends : list of str, optional
 | 
						|
        A list of file names that all targets depend on.
 | 
						|
 | 
						|
    Returns
 | 
						|
    -------
 | 
						|
    objects : list of str
 | 
						|
        A list of object file names, one per source file `sources`.
 | 
						|
 | 
						|
    Raises
 | 
						|
    ------
 | 
						|
    CompileError
 | 
						|
        If compilation fails.
 | 
						|
 | 
						|
    """
 | 
						|
    global _job_semaphore
 | 
						|
 | 
						|
    jobs = get_num_build_jobs()
 | 
						|
 | 
						|
    # setup semaphore to not exceed number of compile jobs when parallelized at
 | 
						|
    # extension level (python >= 3.5)
 | 
						|
    with _global_lock:
 | 
						|
        if _job_semaphore is None:
 | 
						|
            _job_semaphore = threading.Semaphore(jobs)
 | 
						|
 | 
						|
    if not sources:
 | 
						|
        return []
 | 
						|
    from numpy.distutils.fcompiler import (FCompiler, is_f_file,
 | 
						|
                                           has_f90_header)
 | 
						|
    if isinstance(self, FCompiler):
 | 
						|
        display = []
 | 
						|
        for fc in ['f77', 'f90', 'fix']:
 | 
						|
            fcomp = getattr(self, 'compiler_'+fc)
 | 
						|
            if fcomp is None:
 | 
						|
                continue
 | 
						|
            display.append("Fortran %s compiler: %s" % (fc, ' '.join(fcomp)))
 | 
						|
        display = '\n'.join(display)
 | 
						|
    else:
 | 
						|
        ccomp = self.compiler_so
 | 
						|
        display = "C compiler: %s\n" % (' '.join(ccomp),)
 | 
						|
    log.info(display)
 | 
						|
    macros, objects, extra_postargs, pp_opts, build = \
 | 
						|
            self._setup_compile(output_dir, macros, include_dirs, sources,
 | 
						|
                                depends, extra_postargs)
 | 
						|
    cc_args = self._get_cc_args(pp_opts, debug, extra_preargs)
 | 
						|
    display = "compile options: '%s'" % (' '.join(cc_args))
 | 
						|
    if extra_postargs:
 | 
						|
        display += "\nextra options: '%s'" % (' '.join(extra_postargs))
 | 
						|
    log.info(display)
 | 
						|
 | 
						|
    def single_compile(args):
 | 
						|
        obj, (src, ext) = args
 | 
						|
        if not _needs_build(obj, cc_args, extra_postargs, pp_opts):
 | 
						|
            return
 | 
						|
 | 
						|
        # check if we are currently already processing the same object
 | 
						|
        # happens when using the same source in multiple extensions
 | 
						|
        while True:
 | 
						|
            # need explicit lock as there is no atomic check and add with GIL
 | 
						|
            with _global_lock:
 | 
						|
                # file not being worked on, start working
 | 
						|
                if obj not in _processing_files:
 | 
						|
                    _processing_files.add(obj)
 | 
						|
                    break
 | 
						|
            # wait for the processing to end
 | 
						|
            time.sleep(0.1)
 | 
						|
 | 
						|
        try:
 | 
						|
            # retrieve slot from our #job semaphore and build
 | 
						|
            with _job_semaphore:
 | 
						|
                self._compile(obj, src, ext, cc_args, extra_postargs, pp_opts)
 | 
						|
        finally:
 | 
						|
            # register being done processing
 | 
						|
            with _global_lock:
 | 
						|
                _processing_files.remove(obj)
 | 
						|
 | 
						|
 | 
						|
    if isinstance(self, FCompiler):
 | 
						|
        objects_to_build = list(build.keys())
 | 
						|
        f77_objects, other_objects = [], []
 | 
						|
        for obj in objects:
 | 
						|
            if obj in objects_to_build:
 | 
						|
                src, ext = build[obj]
 | 
						|
                if self.compiler_type=='absoft':
 | 
						|
                    obj = cyg2win32(obj)
 | 
						|
                    src = cyg2win32(src)
 | 
						|
                if is_f_file(src) and not has_f90_header(src):
 | 
						|
                    f77_objects.append((obj, (src, ext)))
 | 
						|
                else:
 | 
						|
                    other_objects.append((obj, (src, ext)))
 | 
						|
 | 
						|
        # f77 objects can be built in parallel
 | 
						|
        build_items = f77_objects
 | 
						|
        # build f90 modules serial, module files are generated during
 | 
						|
        # compilation and may be used by files later in the list so the
 | 
						|
        # ordering is important
 | 
						|
        for o in other_objects:
 | 
						|
            single_compile(o)
 | 
						|
    else:
 | 
						|
        build_items = build.items()
 | 
						|
 | 
						|
    if len(build) > 1 and jobs > 1:
 | 
						|
        # build parallel
 | 
						|
        from concurrent.futures import ThreadPoolExecutor
 | 
						|
        with ThreadPoolExecutor(jobs) as pool:
 | 
						|
            res = pool.map(single_compile, build_items)
 | 
						|
        list(res)  # access result to raise errors
 | 
						|
    else:
 | 
						|
        # build serial
 | 
						|
        for o in build_items:
 | 
						|
            single_compile(o)
 | 
						|
 | 
						|
    # Return *all* object filenames, not just the ones we just built.
 | 
						|
    return objects
 | 
						|
 | 
						|
replace_method(CCompiler, 'compile', CCompiler_compile)
 | 
						|
 | 
						|
def CCompiler_customize_cmd(self, cmd, ignore=()):
 | 
						|
    """
 | 
						|
    Customize compiler using distutils command.
 | 
						|
 | 
						|
    Parameters
 | 
						|
    ----------
 | 
						|
    cmd : class instance
 | 
						|
        An instance inheriting from `distutils.cmd.Command`.
 | 
						|
    ignore : sequence of str, optional
 | 
						|
        List of `CCompiler` commands (without ``'set_'``) that should not be
 | 
						|
        altered. Strings that are checked for are:
 | 
						|
        ``('include_dirs', 'define', 'undef', 'libraries', 'library_dirs',
 | 
						|
        'rpath', 'link_objects')``.
 | 
						|
 | 
						|
    Returns
 | 
						|
    -------
 | 
						|
    None
 | 
						|
 | 
						|
    """
 | 
						|
    log.info('customize %s using %s' % (self.__class__.__name__,
 | 
						|
                                        cmd.__class__.__name__))
 | 
						|
 | 
						|
    if hasattr(self, 'compiler') and 'clang' in self.compiler[0]:
 | 
						|
        # clang defaults to a non-strict floating error point model.
 | 
						|
        # Since NumPy and most Python libs give warnings for these, override:
 | 
						|
        self.compiler.append('-ftrapping-math')
 | 
						|
        self.compiler_so.append('-ftrapping-math')
 | 
						|
 | 
						|
    def allow(attr):
 | 
						|
        return getattr(cmd, attr, None) is not None and attr not in ignore
 | 
						|
 | 
						|
    if allow('include_dirs'):
 | 
						|
        self.set_include_dirs(cmd.include_dirs)
 | 
						|
    if allow('define'):
 | 
						|
        for (name, value) in cmd.define:
 | 
						|
            self.define_macro(name, value)
 | 
						|
    if allow('undef'):
 | 
						|
        for macro in cmd.undef:
 | 
						|
            self.undefine_macro(macro)
 | 
						|
    if allow('libraries'):
 | 
						|
        self.set_libraries(self.libraries + cmd.libraries)
 | 
						|
    if allow('library_dirs'):
 | 
						|
        self.set_library_dirs(self.library_dirs + cmd.library_dirs)
 | 
						|
    if allow('rpath'):
 | 
						|
        self.set_runtime_library_dirs(cmd.rpath)
 | 
						|
    if allow('link_objects'):
 | 
						|
        self.set_link_objects(cmd.link_objects)
 | 
						|
 | 
						|
replace_method(CCompiler, 'customize_cmd', CCompiler_customize_cmd)
 | 
						|
 | 
						|
def _compiler_to_string(compiler):
 | 
						|
    props = []
 | 
						|
    mx = 0
 | 
						|
    keys = list(compiler.executables.keys())
 | 
						|
    for key in ['version', 'libraries', 'library_dirs',
 | 
						|
                'object_switch', 'compile_switch',
 | 
						|
                'include_dirs', 'define', 'undef', 'rpath', 'link_objects']:
 | 
						|
        if key not in keys:
 | 
						|
            keys.append(key)
 | 
						|
    for key in keys:
 | 
						|
        if hasattr(compiler, key):
 | 
						|
            v = getattr(compiler, key)
 | 
						|
            mx = max(mx, len(key))
 | 
						|
            props.append((key, repr(v)))
 | 
						|
    fmt = '%-' + repr(mx+1) + 's = %s'
 | 
						|
    lines = [fmt % prop for prop in props]
 | 
						|
    return '\n'.join(lines)
 | 
						|
 | 
						|
def CCompiler_show_customization(self):
 | 
						|
    """
 | 
						|
    Print the compiler customizations to stdout.
 | 
						|
 | 
						|
    Parameters
 | 
						|
    ----------
 | 
						|
    None
 | 
						|
 | 
						|
    Returns
 | 
						|
    -------
 | 
						|
    None
 | 
						|
 | 
						|
    Notes
 | 
						|
    -----
 | 
						|
    Printing is only done if the distutils log threshold is < 2.
 | 
						|
 | 
						|
    """
 | 
						|
    try:
 | 
						|
        self.get_version()
 | 
						|
    except Exception:
 | 
						|
        pass
 | 
						|
    if log._global_log.threshold<2:
 | 
						|
        print('*'*80)
 | 
						|
        print(self.__class__)
 | 
						|
        print(_compiler_to_string(self))
 | 
						|
        print('*'*80)
 | 
						|
 | 
						|
replace_method(CCompiler, 'show_customization', CCompiler_show_customization)
 | 
						|
 | 
						|
def CCompiler_customize(self, dist, need_cxx=0):
 | 
						|
    """
 | 
						|
    Do any platform-specific customization of a compiler instance.
 | 
						|
 | 
						|
    This method calls `distutils.sysconfig.customize_compiler` for
 | 
						|
    platform-specific customization, as well as optionally remove a flag
 | 
						|
    to suppress spurious warnings in case C++ code is being compiled.
 | 
						|
 | 
						|
    Parameters
 | 
						|
    ----------
 | 
						|
    dist : object
 | 
						|
        This parameter is not used for anything.
 | 
						|
    need_cxx : bool, optional
 | 
						|
        Whether or not C++ has to be compiled. If so (True), the
 | 
						|
        ``"-Wstrict-prototypes"`` option is removed to prevent spurious
 | 
						|
        warnings. Default is False.
 | 
						|
 | 
						|
    Returns
 | 
						|
    -------
 | 
						|
    None
 | 
						|
 | 
						|
    Notes
 | 
						|
    -----
 | 
						|
    All the default options used by distutils can be extracted with::
 | 
						|
 | 
						|
      from distutils import sysconfig
 | 
						|
      sysconfig.get_config_vars('CC', 'CXX', 'OPT', 'BASECFLAGS',
 | 
						|
                                'CCSHARED', 'LDSHARED', 'SO')
 | 
						|
 | 
						|
    """
 | 
						|
    # See FCompiler.customize for suggested usage.
 | 
						|
    log.info('customize %s' % (self.__class__.__name__))
 | 
						|
    customize_compiler(self)
 | 
						|
    if need_cxx:
 | 
						|
        # In general, distutils uses -Wstrict-prototypes, but this option is
 | 
						|
        # not valid for C++ code, only for C.  Remove it if it's there to
 | 
						|
        # avoid a spurious warning on every compilation.
 | 
						|
        try:
 | 
						|
            self.compiler_so.remove('-Wstrict-prototypes')
 | 
						|
        except (AttributeError, ValueError):
 | 
						|
            pass
 | 
						|
 | 
						|
        if hasattr(self, 'compiler') and 'cc' in self.compiler[0]:
 | 
						|
            if not self.compiler_cxx:
 | 
						|
                if self.compiler[0].startswith('gcc'):
 | 
						|
                    a, b = 'gcc', 'g++'
 | 
						|
                else:
 | 
						|
                    a, b = 'cc', 'c++'
 | 
						|
                self.compiler_cxx = [self.compiler[0].replace(a, b)]\
 | 
						|
                                    + self.compiler[1:]
 | 
						|
        else:
 | 
						|
            if hasattr(self, 'compiler'):
 | 
						|
                log.warn("#### %s #######" % (self.compiler,))
 | 
						|
            if not hasattr(self, 'compiler_cxx'):
 | 
						|
                log.warn('Missing compiler_cxx fix for ' + self.__class__.__name__)
 | 
						|
 | 
						|
 | 
						|
    # check if compiler supports gcc style automatic dependencies
 | 
						|
    # run on every extension so skip for known good compilers
 | 
						|
    if hasattr(self, 'compiler') and ('gcc' in self.compiler[0] or
 | 
						|
                                      'g++' in self.compiler[0] or
 | 
						|
                                      'clang' in self.compiler[0]):
 | 
						|
        self._auto_depends = True
 | 
						|
    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, stderr=subprocess.STDOUT)
 | 
						|
    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_cxx = cxx.compiler_cxx
 | 
						|
    cxx.compiler_so = [cxx.compiler_cxx[0]] + \
 | 
						|
                      sanitize_cxx_flags(cxx.compiler_so[1:])
 | 
						|
    if (sys.platform.startswith(('aix', 'os400')) 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:]
 | 
						|
    if sys.platform.startswith('os400'):
 | 
						|
        #This is required by i 7.4 and prievous for PRId64 in printf() call.
 | 
						|
        cxx.compiler_so.append('-D__STDC_FORMAT_MACROS')
 | 
						|
        #This a bug of gcc10.3, which failed to handle the TLS init.
 | 
						|
        cxx.compiler_so.append('-fno-extern-tls-init')
 | 
						|
        cxx.linker_so.append('-fno-extern-tls-init')
 | 
						|
    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")
 | 
						|
compiler_class['arm'] = ('armccompiler', 'ArmCCompiler',
 | 
						|
                            "Arm C Compiler")
 | 
						|
 | 
						|
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=None,
 | 
						|
                  dry_run=0,
 | 
						|
                  force=0):
 | 
						|
    # Try first C compilers from numpy.distutils.
 | 
						|
    if verbose is None:
 | 
						|
        verbose = log.get_threshold() <= log.INFO
 | 
						|
    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 as e:
 | 
						|
        msg = str(e)
 | 
						|
        log.info('%s in numpy.distutils; trying from distutils',
 | 
						|
                 str(msg))
 | 
						|
        module_name = module_name[6:]
 | 
						|
        try:
 | 
						|
            __import__(module_name)
 | 
						|
        except ImportError as e:
 | 
						|
            msg = str(e)
 | 
						|
            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)
 | 
						|
    compiler.verbose = verbose
 | 
						|
    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)
 | 
						|
 |