Anselm Kruis avatar Anselm Kruis committed 32a194f

Update the linux specific package to v2.7.4rc2.

Comments (0)

Files changed (7)

C4_linux-x86_64_2.7/slpInstaller/Lib/copy_reg.py

-"""Helper to provide extensibility for pickle/cPickle.
-
-This is only useful to add pickle support for extension types defined in
-C, not for instances of user-defined classes.
-"""
-
-from types import ClassType as _ClassType
-
-__all__ = ["pickle", "constructor",
-           "add_extension", "remove_extension", "clear_extension_cache"]
-
-dispatch_table = {}
-
-def pickle(ob_type, pickle_function, constructor_ob=None):
-    if type(ob_type) is _ClassType:
-        raise TypeError("copy_reg is not intended for use with classes")
-
-    if not hasattr(pickle_function, '__call__'):
-        raise TypeError("reduction functions must be callable")
-    dispatch_table[ob_type] = pickle_function
-
-    # The constructor_ob function is a vestige of safe for unpickling.
-    # There is no reason for the caller to pass it anymore.
-    if constructor_ob is not None:
-        constructor(constructor_ob)
-
-def constructor(object):
-    if not hasattr(object, '__call__'):
-        raise TypeError("constructors must be callable")
-
-# Example: provide pickling support for complex numbers.
-
-try:
-    complex
-except NameError:
-    pass
-else:
-
-    def pickle_complex(c):
-        return complex, (c.real, c.imag)
-
-    pickle(complex, pickle_complex, complex)
-
-# Support for pickling new-style objects
-
-def _reconstructor(cls, base, state):
-    if base is object:
-        obj = object.__new__(cls)
-    else:
-        obj = base.__new__(cls, state)
-        if base.__init__ != object.__init__:
-            base.__init__(obj, state)
-    return obj
-
-_HEAPTYPE = 1<<9
-
-# Python code for object.__reduce_ex__ for protocols 0 and 1
-
-def _reduce_ex(self, proto):
-    assert proto < 2
-    for base in self.__class__.__mro__:
-        if hasattr(base, '__flags__') and not base.__flags__ & _HEAPTYPE:
-            break
-    else:
-        base = object # not really reachable
-    if base is object:
-        state = None
-    else:
-        if base is self.__class__:
-            raise TypeError, "can't pickle %s objects" % base.__name__
-        ## Stackless addition BEGIN
-        # if base is only supported by our shadow types in copy_reg,
-        # we need to substitute here:
-        reducer = dispatch_table.get(base)
-        if reducer and reducer.__module__ == "stackless._wrap":
-            base = reducer(self)[0]
-        ## Stackless addition END
-        state = base(self)
-    args = (self.__class__, base, state)
-    try:
-        getstate = self.__getstate__
-    except AttributeError:
-        if getattr(self, "__slots__", None):
-            raise TypeError("a class that defines __slots__ without "
-                            "defining __getstate__ cannot be pickled")
-        try:
-            dict = self.__dict__
-        except AttributeError:
-            dict = None
-    else:
-        dict = getstate()
-    if dict:
-        return _reconstructor, args, dict
-    else:
-        return _reconstructor, args
-
-# Helper for __reduce_ex__ protocol 2
-
-def __newobj__(cls, *args):
-    return cls.__new__(cls, *args)
-
-def _slotnames(cls):
-    """Return a list of slot names for a given class.
-
-    This needs to find slots defined by the class and its bases, so we
-    can't simply return the __slots__ attribute.  We must walk down
-    the Method Resolution Order and concatenate the __slots__ of each
-    class found there.  (This assumes classes don't modify their
-    __slots__ attribute to misrepresent their slots after the class is
-    defined.)
-    """
-
-    # Get the value from a cache in the class if possible
-    names = cls.__dict__.get("__slotnames__")
-    if names is not None:
-        return names
-
-    # Not cached -- calculate the value
-    names = []
-    if not hasattr(cls, "__slots__"):
-        # This class has no slots
-        pass
-    else:
-        # Slots found -- gather slot names from all base classes
-        for c in cls.__mro__:
-            if "__slots__" in c.__dict__:
-                slots = c.__dict__['__slots__']
-                # if class has a single slot, it can be given as a string
-                if isinstance(slots, basestring):
-                    slots = (slots,)
-                for name in slots:
-                    # special descriptors
-                    if name in ("__dict__", "__weakref__"):
-                        continue
-                    # mangled names
-                    elif name.startswith('__') and not name.endswith('__'):
-                        names.append('_%s%s' % (c.__name__, name))
-                    else:
-                        names.append(name)
-
-    # Cache the outcome in the class if at all possible
-    try:
-        cls.__slotnames__ = names
-    except:
-        pass # But don't die if we can't
-
-    return names
-
-# A registry of extension codes.  This is an ad-hoc compression
-# mechanism.  Whenever a global reference to <module>, <name> is about
-# to be pickled, the (<module>, <name>) tuple is looked up here to see
-# if it is a registered extension code for it.  Extension codes are
-# universal, so that the meaning of a pickle does not depend on
-# context.  (There are also some codes reserved for local use that
-# don't have this restriction.)  Codes are positive ints; 0 is
-# reserved.
-
-_extension_registry = {}                # key -> code
-_inverted_registry = {}                 # code -> key
-_extension_cache = {}                   # code -> object
-# Don't ever rebind those names:  cPickle grabs a reference to them when
-# it's initialized, and won't see a rebinding.
-
-def add_extension(module, name, code):
-    """Register an extension code."""
-    code = int(code)
-    if not 1 <= code <= 0x7fffffff:
-        raise ValueError, "code out of range"
-    key = (module, name)
-    if (_extension_registry.get(key) == code and
-        _inverted_registry.get(code) == key):
-        return # Redundant registrations are benign
-    if key in _extension_registry:
-        raise ValueError("key %s is already registered with code %s" %
-                         (key, _extension_registry[key]))
-    if code in _inverted_registry:
-        raise ValueError("code %s is already in use for key %s" %
-                         (code, _inverted_registry[code]))
-    _extension_registry[key] = code
-    _inverted_registry[code] = key
-
-def remove_extension(module, name, code):
-    """Unregister an extension code.  For testing only."""
-    key = (module, name)
-    if (_extension_registry.get(key) != code or
-        _inverted_registry.get(code) != key):
-        raise ValueError("key %s is not registered with code %s" %
-                         (key, code))
-    del _extension_registry[key]
-    del _inverted_registry[code]
-    if code in _extension_cache:
-        del _extension_cache[code]
-
-def clear_extension_cache():
-    _extension_cache.clear()
-
-# Standard extension code assignments
-
-# Reserved ranges
-
-# First  Last Count  Purpose
-#     1   127   127  Reserved for Python standard library
-#   128   191    64  Reserved for Zope
-#   192   239    48  Reserved for 3rd parties
-#   240   255    16  Reserved for private use (will never be assigned)
-#   256   Inf   Inf  Reserved for future assignment
-
-# Extension codes are assigned by the Python Software Foundation.
+"""Helper to provide extensibility for pickle/cPickle.
+
+This is only useful to add pickle support for extension types defined in
+C, not for instances of user-defined classes.
+"""
+
+from types import ClassType as _ClassType
+
+__all__ = ["pickle", "constructor",
+           "add_extension", "remove_extension", "clear_extension_cache"]
+
+dispatch_table = {}
+
+def pickle(ob_type, pickle_function, constructor_ob=None):
+    if type(ob_type) is _ClassType:
+        raise TypeError("copy_reg is not intended for use with classes")
+
+    if not hasattr(pickle_function, '__call__'):
+        raise TypeError("reduction functions must be callable")
+    dispatch_table[ob_type] = pickle_function
+
+    # The constructor_ob function is a vestige of safe for unpickling.
+    # There is no reason for the caller to pass it anymore.
+    if constructor_ob is not None:
+        constructor(constructor_ob)
+
+def constructor(object):
+    if not hasattr(object, '__call__'):
+        raise TypeError("constructors must be callable")
+
+# Example: provide pickling support for complex numbers.
+
+try:
+    complex
+except NameError:
+    pass
+else:
+
+    def pickle_complex(c):
+        return complex, (c.real, c.imag)
+
+    pickle(complex, pickle_complex, complex)
+
+# Support for pickling new-style objects
+
+def _reconstructor(cls, base, state):
+    if base is object:
+        obj = object.__new__(cls)
+    else:
+        obj = base.__new__(cls, state)
+        if base.__init__ != object.__init__:
+            base.__init__(obj, state)
+    return obj
+
+_HEAPTYPE = 1<<9
+
+# Python code for object.__reduce_ex__ for protocols 0 and 1
+
+def _reduce_ex(self, proto):
+    assert proto < 2
+    for base in self.__class__.__mro__:
+        if hasattr(base, '__flags__') and not base.__flags__ & _HEAPTYPE:
+            break
+    else:
+        base = object # not really reachable
+    if base is object:
+        state = None
+    else:
+        if base is self.__class__:
+            raise TypeError, "can't pickle %s objects" % base.__name__
+        ## Stackless addition BEGIN
+        # if base is only supported by our shadow types in copy_reg,
+        # we need to substitute here:
+        reducer = dispatch_table.get(base)
+        if reducer and reducer.__module__ == "stackless._wrap":
+            base = reducer(self)[0]
+        ## Stackless addition END
+        state = base(self)
+    args = (self.__class__, base, state)
+    try:
+        getstate = self.__getstate__
+    except AttributeError:
+        if getattr(self, "__slots__", None):
+            raise TypeError("a class that defines __slots__ without "
+                            "defining __getstate__ cannot be pickled")
+        try:
+            dict = self.__dict__
+        except AttributeError:
+            dict = None
+    else:
+        dict = getstate()
+    if dict:
+        return _reconstructor, args, dict
+    else:
+        return _reconstructor, args
+
+# Helper for __reduce_ex__ protocol 2
+
+def __newobj__(cls, *args):
+    return cls.__new__(cls, *args)
+
+def _slotnames(cls):
+    """Return a list of slot names for a given class.
+
+    This needs to find slots defined by the class and its bases, so we
+    can't simply return the __slots__ attribute.  We must walk down
+    the Method Resolution Order and concatenate the __slots__ of each
+    class found there.  (This assumes classes don't modify their
+    __slots__ attribute to misrepresent their slots after the class is
+    defined.)
+    """
+
+    # Get the value from a cache in the class if possible
+    names = cls.__dict__.get("__slotnames__")
+    if names is not None:
+        return names
+
+    # Not cached -- calculate the value
+    names = []
+    if not hasattr(cls, "__slots__"):
+        # This class has no slots
+        pass
+    else:
+        # Slots found -- gather slot names from all base classes
+        for c in cls.__mro__:
+            if "__slots__" in c.__dict__:
+                slots = c.__dict__['__slots__']
+                # if class has a single slot, it can be given as a string
+                if isinstance(slots, basestring):
+                    slots = (slots,)
+                for name in slots:
+                    # special descriptors
+                    if name in ("__dict__", "__weakref__"):
+                        continue
+                    # mangled names
+                    elif name.startswith('__') and not name.endswith('__'):
+                        names.append('_%s%s' % (c.__name__, name))
+                    else:
+                        names.append(name)
+
+    # Cache the outcome in the class if at all possible
+    try:
+        cls.__slotnames__ = names
+    except:
+        pass # But don't die if we can't
+
+    return names
+
+# A registry of extension codes.  This is an ad-hoc compression
+# mechanism.  Whenever a global reference to <module>, <name> is about
+# to be pickled, the (<module>, <name>) tuple is looked up here to see
+# if it is a registered extension code for it.  Extension codes are
+# universal, so that the meaning of a pickle does not depend on
+# context.  (There are also some codes reserved for local use that
+# don't have this restriction.)  Codes are positive ints; 0 is
+# reserved.
+
+_extension_registry = {}                # key -> code
+_inverted_registry = {}                 # code -> key
+_extension_cache = {}                   # code -> object
+# Don't ever rebind those names:  cPickle grabs a reference to them when
+# it's initialized, and won't see a rebinding.
+
+def add_extension(module, name, code):
+    """Register an extension code."""
+    code = int(code)
+    if not 1 <= code <= 0x7fffffff:
+        raise ValueError, "code out of range"
+    key = (module, name)
+    if (_extension_registry.get(key) == code and
+        _inverted_registry.get(code) == key):
+        return # Redundant registrations are benign
+    if key in _extension_registry:
+        raise ValueError("key %s is already registered with code %s" %
+                         (key, _extension_registry[key]))
+    if code in _inverted_registry:
+        raise ValueError("code %s is already in use for key %s" %
+                         (code, _inverted_registry[code]))
+    _extension_registry[key] = code
+    _inverted_registry[code] = key
+
+def remove_extension(module, name, code):
+    """Unregister an extension code.  For testing only."""
+    key = (module, name)
+    if (_extension_registry.get(key) != code or
+        _inverted_registry.get(code) != key):
+        raise ValueError("key %s is not registered with code %s" %
+                         (key, code))
+    del _extension_registry[key]
+    del _inverted_registry[code]
+    if code in _extension_cache:
+        del _extension_cache[code]
+
+def clear_extension_cache():
+    _extension_cache.clear()
+
+# Standard extension code assignments
+
+# Reserved ranges
+
+# First  Last Count  Purpose
+#     1   127   127  Reserved for Python standard library
+#   128   191    64  Reserved for Zope
+#   192   239    48  Reserved for 3rd parties
+#   240   255    16  Reserved for private use (will never be assigned)
+#   256   Inf   Inf  Reserved for future assignment
+
+# Extension codes are assigned by the Python Software Foundation.

C4_linux-x86_64_2.7/slpInstaller/Lib/distutils/command/build_ext.py

-"""distutils.command.build_ext
-
-Implements the Distutils 'build_ext' command, for building extension
-modules (currently limited to C extensions, should accommodate C++
-extensions ASAP)."""
-
-# This module should be kept compatible with Python 2.1.
-
-__revision__ = "$Id$"
-
-import sys, os, string, re
-from types import *
-from site import USER_BASE, USER_SITE
-from distutils.core import Command
-from distutils.errors import *
-from distutils.sysconfig import customize_compiler, get_python_version
-from distutils.dep_util import newer_group
-from distutils.extension import Extension
-from distutils.util import get_platform
-from distutils import log
-
-if os.name == 'nt':
-    from distutils.msvccompiler import get_build_version
-    MSVC_VERSION = int(get_build_version())
-
-# An extension name is just a dot-separated list of Python NAMEs (ie.
-# the same as a fully-qualified module name).
-extension_name_re = re.compile \
-    (r'^[a-zA-Z_][a-zA-Z_0-9]*(\.[a-zA-Z_][a-zA-Z_0-9]*)*$')
-
-
-def show_compilers ():
-    from distutils.ccompiler import show_compilers
-    show_compilers()
-
-
-class build_ext (Command):
-
-    description = "build C/C++ extensions (compile/link to build directory)"
-
-    # XXX thoughts on how to deal with complex command-line options like
-    # these, i.e. how to make it so fancy_getopt can suck them off the
-    # command line and make it look like setup.py defined the appropriate
-    # lists of tuples of what-have-you.
-    #   - each command needs a callback to process its command-line options
-    #   - Command.__init__() needs access to its share of the whole
-    #     command line (must ultimately come from
-    #     Distribution.parse_command_line())
-    #   - it then calls the current command class' option-parsing
-    #     callback to deal with weird options like -D, which have to
-    #     parse the option text and churn out some custom data
-    #     structure
-    #   - that data structure (in this case, a list of 2-tuples)
-    #     will then be present in the command object by the time
-    #     we get to finalize_options() (i.e. the constructor
-    #     takes care of both command-line and client options
-    #     in between initialize_options() and finalize_options())
-
-    sep_by = " (separated by '%s')" % os.pathsep
-    user_options = [
-        ('build-lib=', 'b',
-         "directory for compiled extension modules"),
-        ('build-temp=', 't',
-         "directory for temporary files (build by-products)"),
-        ('plat-name=', 'p',
-         "platform name to cross-compile for, if supported "
-         "(default: %s)" % get_platform()),
-        ('inplace', 'i',
-         "ignore build-lib and put compiled extensions into the source " +
-         "directory alongside your pure Python modules"),
-        ('include-dirs=', 'I',
-         "list of directories to search for header files" + sep_by),
-        ('define=', 'D',
-         "C preprocessor macros to define"),
-        ('undef=', 'U',
-         "C preprocessor macros to undefine"),
-        ('libraries=', 'l',
-         "external C libraries to link with"),
-        ('library-dirs=', 'L',
-         "directories to search for external C libraries" + sep_by),
-        ('rpath=', 'R',
-         "directories to search for shared C libraries at runtime"),
-        ('link-objects=', 'O',
-         "extra explicit link objects to include in the link"),
-        ('debug', 'g',
-         "compile/link with debugging information"),
-        ('force', 'f',
-         "forcibly build everything (ignore file timestamps)"),
-        ('compiler=', 'c',
-         "specify the compiler type"),
-        ('swig-cpp', None,
-         "make SWIG create C++ files (default is C)"),
-        ('swig-opts=', None,
-         "list of SWIG command line options"),
-        ('swig=', None,
-         "path to the SWIG executable"),
-        ('user', None,
-         "add user include, library and rpath"),
-        ]
-
-    boolean_options = ['inplace', 'debug', 'force', 'swig-cpp', 'user']
-
-    help_options = [
-        ('help-compiler', None,
-         "list available compilers", show_compilers),
-        ]
-
-    def initialize_options (self):
-        self.extensions = None
-        self.build_lib = None
-        self.plat_name = None
-        self.build_temp = None
-        self.inplace = 0
-        self.package = None
-
-        self.include_dirs = None
-        self.define = None
-        self.undef = None
-        self.libraries = None
-        self.library_dirs = None
-        self.rpath = None
-        self.link_objects = None
-        self.debug = None
-        self.force = None
-        self.compiler = None
-        self.swig = None
-        self.swig_cpp = None
-        self.swig_opts = None
-        self.user = None
-
-    def finalize_options(self):
-        from distutils import sysconfig
-
-        self.set_undefined_options('build',
-                                   ('build_lib', 'build_lib'),
-                                   ('build_temp', 'build_temp'),
-                                   ('compiler', 'compiler'),
-                                   ('debug', 'debug'),
-                                   ('force', 'force'),
-                                   ('plat_name', 'plat_name'),
-                                   )
-
-        if self.package is None:
-            self.package = self.distribution.ext_package
-
-        self.extensions = self.distribution.ext_modules
-
-        # Make sure Python's include directories (for Python.h, pyconfig.h,
-        # etc.) are in the include search path.
-        py_include = sysconfig.get_python_inc()
-        plat_py_include = sysconfig.get_python_inc(plat_specific=1)
-        if self.include_dirs is None:
-            self.include_dirs = self.distribution.include_dirs or []
-        if isinstance(self.include_dirs, str):
-            self.include_dirs = self.include_dirs.split(os.pathsep)
-
-        # Put the Python "system" include dir at the end, so that
-        # any local include dirs take precedence.
-        self.include_dirs.append(py_include)
-        if plat_py_include != py_include:
-            self.include_dirs.append(plat_py_include)
-
-        # Assume we are a build and not installed first.
-        slpy_include = os.path.join(sysconfig.PREFIX, "Stackless")
-        if os.path.exists(slpy_include):
-            self.include_dirs.append(slpy_include)
-        else:
-            # Fall back on the installed include directory.
-            slpy_include = os.path.join(py_include, "Stackless")
-            if os.path.exists(slpy_include):
-                self.include_dirs.append(slpy_include)
-
-        if isinstance(self.libraries, str):
-            self.libraries = [self.libraries]
-
-        # Life is easier if we're not forever checking for None, so
-        # simplify these options to empty lists if unset
-        if self.libraries is None:
-            self.libraries = []
-        if self.library_dirs is None:
-            self.library_dirs = []
-        elif type(self.library_dirs) is StringType:
-            self.library_dirs = string.split(self.library_dirs, os.pathsep)
-
-        if self.rpath is None:
-            self.rpath = []
-        elif type(self.rpath) is StringType:
-            self.rpath = string.split(self.rpath, os.pathsep)
-
-        # for extensions under windows use different directories
-        # for Release and Debug builds.
-        # also Python's library directory must be appended to library_dirs
-        if os.name == 'nt':
-            # the 'libs' directory is for binary installs - we assume that
-            # must be the *native* platform.  But we don't really support
-            # cross-compiling via a binary install anyway, so we let it go.
-            self.library_dirs.append(os.path.join(sys.exec_prefix, 'libs'))
-            if self.debug:
-                self.build_temp = os.path.join(self.build_temp, "Debug")
-            else:
-                self.build_temp = os.path.join(self.build_temp, "Release")
-
-            # Append the source distribution include and library directories,
-            # this allows distutils on windows to work in the source tree
-            self.include_dirs.append(os.path.join(sys.exec_prefix, 'PC'))
-            if MSVC_VERSION == 9:
-                # Use the .lib files for the correct architecture
-                if self.plat_name == 'win32':
-                    suffix = ''
-                else:
-                    # win-amd64 or win-ia64
-                    suffix = self.plat_name[4:]
-                new_lib = os.path.join(sys.exec_prefix, 'PCbuild')
-                if suffix:
-                    new_lib = os.path.join(new_lib, suffix)
-                self.library_dirs.append(new_lib)
-
-            elif MSVC_VERSION == 8:
-                self.library_dirs.append(os.path.join(sys.exec_prefix,
-                                         'PC', 'VS8.0'))
-            elif MSVC_VERSION == 7:
-                self.library_dirs.append(os.path.join(sys.exec_prefix,
-                                         'PC', 'VS7.1'))
-            else:
-                self.library_dirs.append(os.path.join(sys.exec_prefix,
-                                         'PC', 'VC6'))
-
-        # OS/2 (EMX) doesn't support Debug vs Release builds, but has the
-        # import libraries in its "Config" subdirectory
-        if os.name == 'os2':
-            self.library_dirs.append(os.path.join(sys.exec_prefix, 'Config'))
-
-        # for extensions under Cygwin and AtheOS Python's library directory must be
-        # appended to library_dirs
-        if sys.platform[:6] == 'cygwin' or sys.platform[:6] == 'atheos':
-            if sys.executable.startswith(os.path.join(sys.exec_prefix, "bin")):
-                # building third party extensions
-                self.library_dirs.append(os.path.join(sys.prefix, "lib",
-                                                      "python" + get_python_version(),
-                                                      "config"))
-            else:
-                # building python standard extensions
-                self.library_dirs.append('.')
-
-        # for extensions under Linux or Solaris with a shared Python library,
-        # Python's library directory must be appended to library_dirs
-        sysconfig.get_config_var('Py_ENABLE_SHARED')
-        if ((sys.platform.startswith('linux') or sys.platform.startswith('gnu')
-             or sys.platform.startswith('sunos'))
-            and sysconfig.get_config_var('Py_ENABLE_SHARED')):
-            if sys.executable.startswith(os.path.join(sys.exec_prefix, "bin")):
-                # building third party extensions
-                self.library_dirs.append(sysconfig.get_config_var('LIBDIR'))
-            else:
-                # building python standard extensions
-                self.library_dirs.append('.')
-
-        # The argument parsing will result in self.define being a string, but
-        # it has to be a list of 2-tuples.  All the preprocessor symbols
-        # specified by the 'define' option will be set to '1'.  Multiple
-        # symbols can be separated with commas.
-
-        if self.define:
-            defines = self.define.split(',')
-            self.define = map(lambda symbol: (symbol, '1'), defines)
-
-        # The option for macros to undefine is also a string from the
-        # option parsing, but has to be a list.  Multiple symbols can also
-        # be separated with commas here.
-        if self.undef:
-            self.undef = self.undef.split(',')
-
-        if self.swig_opts is None:
-            self.swig_opts = []
-        else:
-            self.swig_opts = self.swig_opts.split(' ')
-
-        # Finally add the user include and library directories if requested
-        if self.user:
-            user_include = os.path.join(USER_BASE, "include")
-            user_lib = os.path.join(USER_BASE, "lib")
-            if os.path.isdir(user_include):
-                self.include_dirs.append(user_include)
-            if os.path.isdir(user_lib):
-                self.library_dirs.append(user_lib)
-                self.rpath.append(user_lib)
-
-    def run(self):
-        from distutils.ccompiler import new_compiler
-
-        # 'self.extensions', as supplied by setup.py, is a list of
-        # Extension instances.  See the documentation for Extension (in
-        # distutils.extension) for details.
-        #
-        # For backwards compatibility with Distutils 0.8.2 and earlier, we
-        # also allow the 'extensions' list to be a list of tuples:
-        #    (ext_name, build_info)
-        # where build_info is a dictionary containing everything that
-        # Extension instances do except the name, with a few things being
-        # differently named.  We convert these 2-tuples to Extension
-        # instances as needed.
-
-        if not self.extensions:
-            return
-
-        # If we were asked to build any C/C++ libraries, make sure that the
-        # directory where we put them is in the library search path for
-        # linking extensions.
-        if self.distribution.has_c_libraries():
-            build_clib = self.get_finalized_command('build_clib')
-            self.libraries.extend(build_clib.get_library_names() or [])
-            self.library_dirs.append(build_clib.build_clib)
-
-        # Setup the CCompiler object that we'll use to do all the
-        # compiling and linking
-        self.compiler = new_compiler(compiler=self.compiler,
-                                     verbose=self.verbose,
-                                     dry_run=self.dry_run,
-                                     force=self.force)
-        customize_compiler(self.compiler)
-        # If we are cross-compiling, init the compiler now (if we are not
-        # cross-compiling, init would not hurt, but people may rely on
-        # late initialization of compiler even if they shouldn't...)
-        if os.name == 'nt' and self.plat_name != get_platform():
-            self.compiler.initialize(self.plat_name)
-
-        # And make sure that any compile/link-related options (which might
-        # come from the command-line or from the setup script) are set in
-        # that CCompiler object -- that way, they automatically apply to
-        # all compiling and linking done here.
-        if self.include_dirs is not None:
-            self.compiler.set_include_dirs(self.include_dirs)
-        if self.define is not None:
-            # 'define' option is a list of (name,value) tuples
-            for (name, value) in self.define:
-                self.compiler.define_macro(name, value)
-        if self.undef is not None:
-            for macro in self.undef:
-                self.compiler.undefine_macro(macro)
-        if self.libraries is not None:
-            self.compiler.set_libraries(self.libraries)
-        if self.library_dirs is not None:
-            self.compiler.set_library_dirs(self.library_dirs)
-        if self.rpath is not None:
-            self.compiler.set_runtime_library_dirs(self.rpath)
-        if self.link_objects is not None:
-            self.compiler.set_link_objects(self.link_objects)
-
-        # Now actually compile and link everything.
-        self.build_extensions()
-
-    def check_extensions_list(self, extensions):
-        """Ensure that the list of extensions (presumably provided as a
-        command option 'extensions') is valid, i.e. it is a list of
-        Extension objects.  We also support the old-style list of 2-tuples,
-        where the tuples are (ext_name, build_info), which are converted to
-        Extension instances here.
-
-        Raise DistutilsSetupError if the structure is invalid anywhere;
-        just returns otherwise.
-        """
-        if not isinstance(extensions, list):
-            raise DistutilsSetupError, \
-                  "'ext_modules' option must be a list of Extension instances"
-
-        for i, ext in enumerate(extensions):
-            if isinstance(ext, Extension):
-                continue                # OK! (assume type-checking done
-                                        # by Extension constructor)
-
-            if not isinstance(ext, tuple) or len(ext) != 2:
-                raise DistutilsSetupError, \
-                      ("each element of 'ext_modules' option must be an "
-                       "Extension instance or 2-tuple")
-
-            ext_name, build_info = ext
-
-            log.warn(("old-style (ext_name, build_info) tuple found in "
-                      "ext_modules for extension '%s'"
-                      "-- please convert to Extension instance" % ext_name))
-
-            if not (isinstance(ext_name, str) and
-                    extension_name_re.match(ext_name)):
-                raise DistutilsSetupError, \
-                      ("first element of each tuple in 'ext_modules' "
-                       "must be the extension name (a string)")
-
-            if not isinstance(build_info, dict):
-                raise DistutilsSetupError, \
-                      ("second element of each tuple in 'ext_modules' "
-                       "must be a dictionary (build info)")
-
-            # OK, the (ext_name, build_info) dict is type-safe: convert it
-            # to an Extension instance.
-            ext = Extension(ext_name, build_info['sources'])
-
-            # Easy stuff: one-to-one mapping from dict elements to
-            # instance attributes.
-            for key in ('include_dirs', 'library_dirs', 'libraries',
-                        'extra_objects', 'extra_compile_args',
-                        'extra_link_args'):
-                val = build_info.get(key)
-                if val is not None:
-                    setattr(ext, key, val)
-
-            # Medium-easy stuff: same syntax/semantics, different names.
-            ext.runtime_library_dirs = build_info.get('rpath')
-            if 'def_file' in build_info:
-                log.warn("'def_file' element of build info dict "
-                         "no longer supported")
-
-            # Non-trivial stuff: 'macros' split into 'define_macros'
-            # and 'undef_macros'.
-            macros = build_info.get('macros')
-            if macros:
-                ext.define_macros = []
-                ext.undef_macros = []
-                for macro in macros:
-                    if not (isinstance(macro, tuple) and len(macro) in (1, 2)):
-                        raise DistutilsSetupError, \
-                              ("'macros' element of build info dict "
-                               "must be 1- or 2-tuple")
-                    if len(macro) == 1:
-                        ext.undef_macros.append(macro[0])
-                    elif len(macro) == 2:
-                        ext.define_macros.append(macro)
-
-            extensions[i] = ext
-
-    def get_source_files(self):
-        self.check_extensions_list(self.extensions)
-        filenames = []
-
-        # Wouldn't it be neat if we knew the names of header files too...
-        for ext in self.extensions:
-            filenames.extend(ext.sources)
-
-        return filenames
-
-    def get_outputs(self):
-        # Sanity check the 'extensions' list -- can't assume this is being
-        # done in the same run as a 'build_extensions()' call (in fact, we
-        # can probably assume that it *isn't*!).
-        self.check_extensions_list(self.extensions)
-
-        # And build the list of output (built) filenames.  Note that this
-        # ignores the 'inplace' flag, and assumes everything goes in the
-        # "build" tree.
-        outputs = []
-        for ext in self.extensions:
-            outputs.append(self.get_ext_fullpath(ext.name))
-        return outputs
-
-    def build_extensions(self):
-        # First, sanity-check the 'extensions' list
-        self.check_extensions_list(self.extensions)
-
-        for ext in self.extensions:
-            self.build_extension(ext)
-
-    def build_extension(self, ext):
-        sources = ext.sources
-        if sources is None or type(sources) not in (ListType, TupleType):
-            raise DistutilsSetupError, \
-                  ("in 'ext_modules' option (extension '%s'), " +
-                   "'sources' must be present and must be " +
-                   "a list of source filenames") % ext.name
-        sources = list(sources)
-
-        ext_path = self.get_ext_fullpath(ext.name)
-        depends = sources + ext.depends
-        if not (self.force or newer_group(depends, ext_path, 'newer')):
-            log.debug("skipping '%s' extension (up-to-date)", ext.name)
-            return
-        else:
-            log.info("building '%s' extension", ext.name)
-
-        # First, scan the sources for SWIG definition files (.i), run
-        # SWIG on 'em to create .c files, and modify the sources list
-        # accordingly.
-        sources = self.swig_sources(sources, ext)
-
-        # Next, compile the source code to object files.
-
-        # XXX not honouring 'define_macros' or 'undef_macros' -- the
-        # CCompiler API needs to change to accommodate this, and I
-        # want to do one thing at a time!
-
-        # Two possible sources for extra compiler arguments:
-        #   - 'extra_compile_args' in Extension object
-        #   - CFLAGS environment variable (not particularly
-        #     elegant, but people seem to expect it and I
-        #     guess it's useful)
-        # The environment variable should take precedence, and
-        # any sensible compiler will give precedence to later
-        # command line args.  Hence we combine them in order:
-        extra_args = ext.extra_compile_args or []
-
-        macros = ext.define_macros[:]
-        for undef in ext.undef_macros:
-            macros.append((undef,))
-
-        objects = self.compiler.compile(sources,
-                                         output_dir=self.build_temp,
-                                         macros=macros,
-                                         include_dirs=ext.include_dirs,
-                                         debug=self.debug,
-                                         extra_postargs=extra_args,
-                                         depends=ext.depends)
-
-        # XXX -- this is a Vile HACK!
-        #
-        # The setup.py script for Python on Unix needs to be able to
-        # get this list so it can perform all the clean up needed to
-        # avoid keeping object files around when cleaning out a failed
-        # build of an extension module.  Since Distutils does not
-        # track dependencies, we have to get rid of intermediates to
-        # ensure all the intermediates will be properly re-built.
-        #
-        self._built_objects = objects[:]
-
-        # Now link the object files together into a "shared object" --
-        # of course, first we have to figure out all the other things
-        # that go into the mix.
-        if ext.extra_objects:
-            objects.extend(ext.extra_objects)
-        extra_args = ext.extra_link_args or []
-
-        # Detect target language, if not provided
-        language = ext.language or self.compiler.detect_language(sources)
-
-        self.compiler.link_shared_object(
-            objects, ext_path,
-            libraries=self.get_libraries(ext),
-            library_dirs=ext.library_dirs,
-            runtime_library_dirs=ext.runtime_library_dirs,
-            extra_postargs=extra_args,
-            export_symbols=self.get_export_symbols(ext),
-            debug=self.debug,
-            build_temp=self.build_temp,
-            target_lang=language)
-
-
-    def swig_sources (self, sources, extension):
-
-        """Walk the list of source files in 'sources', looking for SWIG
-        interface (.i) files.  Run SWIG on all that are found, and
-        return a modified 'sources' list with SWIG source files replaced
-        by the generated C (or C++) files.
-        """
-
-        new_sources = []
-        swig_sources = []
-        swig_targets = {}
-
-        # XXX this drops generated C/C++ files into the source tree, which
-        # is fine for developers who want to distribute the generated
-        # source -- but there should be an option to put SWIG output in
-        # the temp dir.
-
-        if self.swig_cpp:
-            log.warn("--swig-cpp is deprecated - use --swig-opts=-c++")
-
-        if self.swig_cpp or ('-c++' in self.swig_opts) or \
-           ('-c++' in extension.swig_opts):
-            target_ext = '.cpp'
-        else:
-            target_ext = '.c'
-
-        for source in sources:
-            (base, ext) = os.path.splitext(source)
-            if ext == ".i":             # SWIG interface file
-                new_sources.append(base + '_wrap' + target_ext)
-                swig_sources.append(source)
-                swig_targets[source] = new_sources[-1]
-            else:
-                new_sources.append(source)
-
-        if not swig_sources:
-            return new_sources
-
-        swig = self.swig or self.find_swig()
-        swig_cmd = [swig, "-python"]
-        swig_cmd.extend(self.swig_opts)
-        if self.swig_cpp:
-            swig_cmd.append("-c++")
-
-        # Do not override commandline arguments
-        if not self.swig_opts:
-            for o in extension.swig_opts:
-                swig_cmd.append(o)
-
-        for source in swig_sources:
-            target = swig_targets[source]
-            log.info("swigging %s to %s", source, target)
-            self.spawn(swig_cmd + ["-o", target, source])
-
-        return new_sources
-
-    # swig_sources ()
-
-    def find_swig (self):
-        """Return the name of the SWIG executable.  On Unix, this is
-        just "swig" -- it should be in the PATH.  Tries a bit harder on
-        Windows.
-        """
-
-        if os.name == "posix":
-            return "swig"
-        elif os.name == "nt":
-
-            # Look for SWIG in its standard installation directory on
-            # Windows (or so I presume!).  If we find it there, great;
-            # if not, act like Unix and assume it's in the PATH.
-            for vers in ("1.3", "1.2", "1.1"):
-                fn = os.path.join("c:\\swig%s" % vers, "swig.exe")
-                if os.path.isfile(fn):
-                    return fn
-            else:
-                return "swig.exe"
-
-        elif os.name == "os2":
-            # assume swig available in the PATH.
-            return "swig.exe"
-
-        else:
-            raise DistutilsPlatformError, \
-                  ("I don't know how to find (much less run) SWIG "
-                   "on platform '%s'") % os.name
-
-    # find_swig ()
-
-    # -- Name generators -----------------------------------------------
-    # (extension names, filenames, whatever)
-    def get_ext_fullpath(self, ext_name):
-        """Returns the path of the filename for a given extension.
-
-        The file is located in `build_lib` or directly in the package
-        (inplace option).
-        """
-        # makes sure the extension name is only using dots
-        all_dots = string.maketrans('/'+os.sep, '..')
-        ext_name = ext_name.translate(all_dots)
-
-        fullname = self.get_ext_fullname(ext_name)
-        modpath = fullname.split('.')
-        filename = self.get_ext_filename(ext_name)
-        filename = os.path.split(filename)[-1]
-
-        if not self.inplace:
-            # no further work needed
-            # returning :
-            #   build_dir/package/path/filename
-            filename = os.path.join(*modpath[:-1]+[filename])
-            return os.path.join(self.build_lib, filename)
-
-        # the inplace option requires to find the package directory
-        # using the build_py command for that
-        package = '.'.join(modpath[0:-1])
-        build_py = self.get_finalized_command('build_py')
-        package_dir = os.path.abspath(build_py.get_package_dir(package))
-
-        # returning
-        #   package_dir/filename
-        return os.path.join(package_dir, filename)
-
-    def get_ext_fullname(self, ext_name):
-        """Returns the fullname of a given extension name.
-
-        Adds the `package.` prefix"""
-        if self.package is None:
-            return ext_name
-        else:
-            return self.package + '.' + ext_name
-
-    def get_ext_filename(self, ext_name):
-        r"""Convert the name of an extension (eg. "foo.bar") into the name
-        of the file from which it will be loaded (eg. "foo/bar.so", or
-        "foo\bar.pyd").
-        """
-        from distutils.sysconfig import get_config_var
-        ext_path = string.split(ext_name, '.')
-        # OS/2 has an 8 character module (extension) limit :-(
-        if os.name == "os2":
-            ext_path[len(ext_path) - 1] = ext_path[len(ext_path) - 1][:8]
-        # extensions in debug_mode are named 'module_d.pyd' under windows
-        so_ext = get_config_var('SO')
-        if os.name == 'nt' and self.debug:
-            return os.path.join(*ext_path) + '_d' + so_ext
-        return os.path.join(*ext_path) + so_ext
-
-    def get_export_symbols (self, ext):
-        """Return the list of symbols that a shared extension has to
-        export.  This either uses 'ext.export_symbols' or, if it's not
-        provided, "init" + module_name.  Only relevant on Windows, where
-        the .pyd file (DLL) must export the module "init" function.
-        """
-        initfunc_name = "init" + ext.name.split('.')[-1]
-        if initfunc_name not in ext.export_symbols:
-            ext.export_symbols.append(initfunc_name)
-        return ext.export_symbols
-
-    def get_libraries (self, ext):
-        """Return the list of libraries to link against when building a
-        shared extension.  On most platforms, this is just 'ext.libraries';
-        on Windows and OS/2, we add the Python library (eg. python20.dll).
-        """
-        # The python library is always needed on Windows.  For MSVC, this
-        # is redundant, since the library is mentioned in a pragma in
-        # pyconfig.h that MSVC groks.  The other Windows compilers all seem
-        # to need it mentioned explicitly, though, so that's what we do.
-        # Append '_d' to the python import library on debug builds.
-        if sys.platform == "win32":
-            from distutils.msvccompiler import MSVCCompiler
-            if not isinstance(self.compiler, MSVCCompiler):
-                template = "python%d%d"
-                if self.debug:
-                    template = template + '_d'
-                pythonlib = (template %
-                       (sys.hexversion >> 24, (sys.hexversion >> 16) & 0xff))
-                # don't extend ext.libraries, it may be shared with other
-                # extensions, it is a reference to the original list
-                return ext.libraries + [pythonlib]
-            else:
-                return ext.libraries
-        elif sys.platform == "os2emx":
-            # EMX/GCC requires the python library explicitly, and I
-            # believe VACPP does as well (though not confirmed) - AIM Apr01
-            template = "python%d%d"
-            # debug versions of the main DLL aren't supported, at least
-            # not at this time - AIM Apr01
-            #if self.debug:
-            #    template = template + '_d'
-            pythonlib = (template %
-                   (sys.hexversion >> 24, (sys.hexversion >> 16) & 0xff))
-            # don't extend ext.libraries, it may be shared with other
-            # extensions, it is a reference to the original list
-            return ext.libraries + [pythonlib]
-        elif sys.platform[:6] == "cygwin":
-            template = "python%d.%d"
-            pythonlib = (template %
-                   (sys.hexversion >> 24, (sys.hexversion >> 16) & 0xff))
-            # don't extend ext.libraries, it may be shared with other
-            # extensions, it is a reference to the original list
-            return ext.libraries + [pythonlib]
-        elif sys.platform[:6] == "atheos":
-            from distutils import sysconfig
-
-            template = "python%d.%d"
-            pythonlib = (template %
-                   (sys.hexversion >> 24, (sys.hexversion >> 16) & 0xff))
-            # Get SHLIBS from Makefile
-            extra = []
-            for lib in sysconfig.get_config_var('SHLIBS').split():
-                if lib.startswith('-l'):
-                    extra.append(lib[2:])
-                else:
-                    extra.append(lib)
-            # don't extend ext.libraries, it may be shared with other
-            # extensions, it is a reference to the original list
-            return ext.libraries + [pythonlib, "m"] + extra
-
-        elif sys.platform == 'darwin':
-            # Don't use the default code below
-            return ext.libraries
-        elif sys.platform[:3] == 'aix':
-            # Don't use the default code below
-            return ext.libraries
-        else:
-            from distutils import sysconfig
-            if sysconfig.get_config_var('Py_ENABLE_SHARED'):
-                template = "python%d.%d"
-                pythonlib = (template %
-                             (sys.hexversion >> 24, (sys.hexversion >> 16) & 0xff))
-                return ext.libraries + [pythonlib]
-            else:
-                return ext.libraries
-
-# class build_ext
+"""distutils.command.build_ext
+
+Implements the Distutils 'build_ext' command, for building extension
+modules (currently limited to C extensions, should accommodate C++
+extensions ASAP)."""
+
+# This module should be kept compatible with Python 2.1.
+
+__revision__ = "$Id$"
+
+import sys, os, string, re
+from types import *
+from site import USER_BASE, USER_SITE
+from distutils.core import Command
+from distutils.errors import *
+from distutils.sysconfig import customize_compiler, get_python_version
+from distutils.dep_util import newer_group
+from distutils.extension import Extension
+from distutils.util import get_platform
+from distutils import log
+
+if os.name == 'nt':
+    from distutils.msvccompiler import get_build_version
+    MSVC_VERSION = int(get_build_version())
+
+# An extension name is just a dot-separated list of Python NAMEs (ie.
+# the same as a fully-qualified module name).
+extension_name_re = re.compile \
+    (r'^[a-zA-Z_][a-zA-Z_0-9]*(\.[a-zA-Z_][a-zA-Z_0-9]*)*$')
+
+
+def show_compilers ():
+    from distutils.ccompiler import show_compilers
+    show_compilers()
+
+
+class build_ext (Command):
+
+    description = "build C/C++ extensions (compile/link to build directory)"
+
+    # XXX thoughts on how to deal with complex command-line options like
+    # these, i.e. how to make it so fancy_getopt can suck them off the
+    # command line and make it look like setup.py defined the appropriate
+    # lists of tuples of what-have-you.
+    #   - each command needs a callback to process its command-line options
+    #   - Command.__init__() needs access to its share of the whole
+    #     command line (must ultimately come from
+    #     Distribution.parse_command_line())
+    #   - it then calls the current command class' option-parsing
+    #     callback to deal with weird options like -D, which have to
+    #     parse the option text and churn out some custom data
+    #     structure
+    #   - that data structure (in this case, a list of 2-tuples)
+    #     will then be present in the command object by the time
+    #     we get to finalize_options() (i.e. the constructor
+    #     takes care of both command-line and client options
+    #     in between initialize_options() and finalize_options())
+
+    sep_by = " (separated by '%s')" % os.pathsep
+    user_options = [
+        ('build-lib=', 'b',
+         "directory for compiled extension modules"),
+        ('build-temp=', 't',
+         "directory for temporary files (build by-products)"),
+        ('plat-name=', 'p',
+         "platform name to cross-compile for, if supported "
+         "(default: %s)" % get_platform()),
+        ('inplace', 'i',
+         "ignore build-lib and put compiled extensions into the source " +
+         "directory alongside your pure Python modules"),
+        ('include-dirs=', 'I',
+         "list of directories to search for header files" + sep_by),
+        ('define=', 'D',
+         "C preprocessor macros to define"),
+        ('undef=', 'U',
+         "C preprocessor macros to undefine"),
+        ('libraries=', 'l',
+         "external C libraries to link with"),
+        ('library-dirs=', 'L',
+         "directories to search for external C libraries" + sep_by),
+        ('rpath=', 'R',
+         "directories to search for shared C libraries at runtime"),
+        ('link-objects=', 'O',
+         "extra explicit link objects to include in the link"),
+        ('debug', 'g',
+         "compile/link with debugging information"),
+        ('force', 'f',
+         "forcibly build everything (ignore file timestamps)"),
+        ('compiler=', 'c',
+         "specify the compiler type"),
+        ('swig-cpp', None,
+         "make SWIG create C++ files (default is C)"),
+        ('swig-opts=', None,
+         "list of SWIG command line options"),
+        ('swig=', None,
+         "path to the SWIG executable"),
+        ('user', None,
+         "add user include, library and rpath"),
+        ]
+
+    boolean_options = ['inplace', 'debug', 'force', 'swig-cpp', 'user']
+
+    help_options = [
+        ('help-compiler', None,
+         "list available compilers", show_compilers),
+        ]
+
+    def initialize_options (self):
+        self.extensions = None
+        self.build_lib = None
+        self.plat_name = None
+        self.build_temp = None
+        self.inplace = 0
+        self.package = None
+
+        self.include_dirs = None
+        self.define = None
+        self.undef = None
+        self.libraries = None
+        self.library_dirs = None
+        self.rpath = None
+        self.link_objects = None
+        self.debug = None
+        self.force = None
+        self.compiler = None
+        self.swig = None
+        self.swig_cpp = None
+        self.swig_opts = None
+        self.user = None
+
+    def finalize_options(self):
+        from distutils import sysconfig
+
+        self.set_undefined_options('build',
+                                   ('build_lib', 'build_lib'),
+                                   ('build_temp', 'build_temp'),
+                                   ('compiler', 'compiler'),
+                                   ('debug', 'debug'),
+                                   ('force', 'force'),
+                                   ('plat_name', 'plat_name'),
+                                   )
+
+        if self.package is None:
+            self.package = self.distribution.ext_package
+
+        self.extensions = self.distribution.ext_modules
+
+        # Make sure Python's include directories (for Python.h, pyconfig.h,
+        # etc.) are in the include search path.
+        py_include = sysconfig.get_python_inc()
+        plat_py_include = sysconfig.get_python_inc(plat_specific=1)
+        if self.include_dirs is None:
+            self.include_dirs = self.distribution.include_dirs or []
+        if isinstance(self.include_dirs, str):
+            self.include_dirs = self.include_dirs.split(os.pathsep)
+
+        # Put the Python "system" include dir at the end, so that
+        # any local include dirs take precedence.
+        self.include_dirs.append(py_include)
+        if plat_py_include != py_include:
+            self.include_dirs.append(plat_py_include)
+
+        # Assume we are a build and not installed first.
+        slpy_include = os.path.join(sysconfig.PREFIX, "Stackless")
+        if os.path.exists(slpy_include):
+            self.include_dirs.append(slpy_include)
+        else:
+            # Fall back on the installed include directory.
+            slpy_include = os.path.join(py_include, "Stackless")
+            if os.path.exists(slpy_include):
+                self.include_dirs.append(slpy_include)
+
+        self.ensure_string_list('libraries')
+
+        # Life is easier if we're not forever checking for None, so
+        # simplify these options to empty lists if unset
+        if self.libraries is None:
+            self.libraries = []
+        if self.library_dirs is None:
+            self.library_dirs = []
+        elif type(self.library_dirs) is StringType:
+            self.library_dirs = string.split(self.library_dirs, os.pathsep)
+
+        if self.rpath is None:
+            self.rpath = []
+        elif type(self.rpath) is StringType:
+            self.rpath = string.split(self.rpath, os.pathsep)
+
+        # for extensions under windows use different directories
+        # for Release and Debug builds.
+        # also Python's library directory must be appended to library_dirs
+        if os.name == 'nt':
+            # the 'libs' directory is for binary installs - we assume that
+            # must be the *native* platform.  But we don't really support
+            # cross-compiling via a binary install anyway, so we let it go.
+            self.library_dirs.append(os.path.join(sys.exec_prefix, 'libs'))
+            if self.debug:
+                self.build_temp = os.path.join(self.build_temp, "Debug")
+            else:
+                self.build_temp = os.path.join(self.build_temp, "Release")
+
+            # Append the source distribution include and library directories,
+            # this allows distutils on windows to work in the source tree
+            self.include_dirs.append(os.path.join(sys.exec_prefix, 'PC'))
+            if MSVC_VERSION == 9:
+                # Use the .lib files for the correct architecture
+                if self.plat_name == 'win32':
+                    suffix = ''
+                else:
+                    # win-amd64 or win-ia64
+                    suffix = self.plat_name[4:]
+                new_lib = os.path.join(sys.exec_prefix, 'PCbuild')
+                if suffix:
+                    new_lib = os.path.join(new_lib, suffix)
+                self.library_dirs.append(new_lib)
+
+            elif MSVC_VERSION == 8:
+                self.library_dirs.append(os.path.join(sys.exec_prefix,
+                                         'PC', 'VS8.0'))
+            elif MSVC_VERSION == 7:
+                self.library_dirs.append(os.path.join(sys.exec_prefix,
+                                         'PC', 'VS7.1'))
+            else:
+                self.library_dirs.append(os.path.join(sys.exec_prefix,
+                                         'PC', 'VC6'))
+
+        # OS/2 (EMX) doesn't support Debug vs Release builds, but has the
+        # import libraries in its "Config" subdirectory
+        if os.name == 'os2':
+            self.library_dirs.append(os.path.join(sys.exec_prefix, 'Config'))
+
+        # for extensions under Cygwin and AtheOS Python's library directory must be
+        # appended to library_dirs
+        if sys.platform[:6] == 'cygwin' or sys.platform[:6] == 'atheos':
+            if sys.executable.startswith(os.path.join(sys.exec_prefix, "bin")):
+                # building third party extensions
+                self.library_dirs.append(os.path.join(sys.prefix, "lib",
+                                                      "python" + get_python_version(),
+                                                      "config"))
+            else:
+                # building python standard extensions
+                self.library_dirs.append('.')
+
+        # for extensions under Linux or Solaris with a shared Python library,
+        # Python's library directory must be appended to library_dirs
+        sysconfig.get_config_var('Py_ENABLE_SHARED')
+        if ((sys.platform.startswith('linux') or sys.platform.startswith('gnu')
+             or sys.platform.startswith('sunos'))
+            and sysconfig.get_config_var('Py_ENABLE_SHARED')):
+            if sys.executable.startswith(os.path.join(sys.exec_prefix, "bin")):
+                # building third party extensions
+                self.library_dirs.append(sysconfig.get_config_var('LIBDIR'))
+            else:
+                # building python standard extensions
+                self.library_dirs.append('.')
+
+        # The argument parsing will result in self.define being a string, but
+        # it has to be a list of 2-tuples.  All the preprocessor symbols
+        # specified by the 'define' option will be set to '1'.  Multiple
+        # symbols can be separated with commas.
+
+        if self.define:
+            defines = self.define.split(',')
+            self.define = map(lambda symbol: (symbol, '1'), defines)
+
+        # The option for macros to undefine is also a string from the
+        # option parsing, but has to be a list.  Multiple symbols can also
+        # be separated with commas here.
+        if self.undef:
+            self.undef = self.undef.split(',')
+
+        if self.swig_opts is None:
+            self.swig_opts = []
+        else:
+            self.swig_opts = self.swig_opts.split(' ')
+
+        # Finally add the user include and library directories if requested
+        if self.user:
+            user_include = os.path.join(USER_BASE, "include")
+            user_lib = os.path.join(USER_BASE, "lib")
+            if os.path.isdir(user_include):
+                self.include_dirs.append(user_include)
+            if os.path.isdir(user_lib):
+                self.library_dirs.append(user_lib)
+                self.rpath.append(user_lib)
+
+    def run(self):
+        from distutils.ccompiler import new_compiler
+
+        # 'self.extensions', as supplied by setup.py, is a list of
+        # Extension instances.  See the documentation for Extension (in
+        # distutils.extension) for details.
+        #
+        # For backwards compatibility with Distutils 0.8.2 and earlier, we
+        # also allow the 'extensions' list to be a list of tuples:
+        #    (ext_name, build_info)
+        # where build_info is a dictionary containing everything that
+        # Extension instances do except the name, with a few things being
+        # differently named.  We convert these 2-tuples to Extension
+        # instances as needed.
+
+        if not self.extensions:
+            return
+
+        # If we were asked to build any C/C++ libraries, make sure that the
+        # directory where we put them is in the library search path for
+        # linking extensions.
+        if self.distribution.has_c_libraries():
+            build_clib = self.get_finalized_command('build_clib')
+            self.libraries.extend(build_clib.get_library_names() or [])
+            self.library_dirs.append(build_clib.build_clib)
+
+        # Setup the CCompiler object that we'll use to do all the
+        # compiling and linking
+        self.compiler = new_compiler(compiler=self.compiler,
+                                     verbose=self.verbose,
+                                     dry_run=self.dry_run,
+                                     force=self.force)
+        customize_compiler(self.compiler)
+        # If we are cross-compiling, init the compiler now (if we are not
+        # cross-compiling, init would not hurt, but people may rely on
+        # late initialization of compiler even if they shouldn't...)
+        if os.name == 'nt' and self.plat_name != get_platform():
+            self.compiler.initialize(self.plat_name)
+
+        # And make sure that any compile/link-related options (which might
+        # come from the command-line or from the setup script) are set in
+        # that CCompiler object -- that way, they automatically apply to
+        # all compiling and linking done here.
+        if self.include_dirs is not None:
+            self.compiler.set_include_dirs(self.include_dirs)
+        if self.define is not None:
+            # 'define' option is a list of (name,value) tuples
+            for (name, value) in self.define:
+                self.compiler.define_macro(name, value)
+        if self.undef is not None:
+            for macro in self.undef:
+                self.compiler.undefine_macro(macro)
+        if self.libraries is not None:
+            self.compiler.set_libraries(self.libraries)
+        if self.library_dirs is not None:
+            self.compiler.set_library_dirs(self.library_dirs)
+        if self.rpath is not None:
+            self.compiler.set_runtime_library_dirs(self.rpath)
+        if self.link_objects is not None:
+            self.compiler.set_link_objects(self.link_objects)
+
+        # Now actually compile and link everything.
+        self.build_extensions()
+
+    def check_extensions_list(self, extensions):
+        """Ensure that the list of extensions (presumably provided as a
+        command option 'extensions') is valid, i.e. it is a list of
+        Extension objects.  We also support the old-style list of 2-tuples,
+        where the tuples are (ext_name, build_info), which are converted to
+        Extension instances here.
+
+        Raise DistutilsSetupError if the structure is invalid anywhere;
+        just returns otherwise.
+        """
+        if not isinstance(extensions, list):
+            raise DistutilsSetupError, \
+                  "'ext_modules' option must be a list of Extension instances"
+
+        for i, ext in enumerate(extensions):
+            if isinstance(ext, Extension):
+                continue                # OK! (assume type-checking done
+                                        # by Extension constructor)
+
+            if not isinstance(ext, tuple) or len(ext) != 2:
+                raise DistutilsSetupError, \
+                      ("each element of 'ext_modules' option must be an "
+                       "Extension instance or 2-tuple")
+
+            ext_name, build_info = ext
+
+            log.warn(("old-style (ext_name, build_info) tuple found in "
+                      "ext_modules for extension '%s'"
+                      "-- please convert to Extension instance" % ext_name))
+
+            if not (isinstance(ext_name, str) and
+                    extension_name_re.match(ext_name)):
+                raise DistutilsSetupError, \
+                      ("first element of each tuple in 'ext_modules' "
+                       "must be the extension name (a string)")
+
+            if not isinstance(build_info, dict):
+                raise DistutilsSetupError, \
+                      ("second element of each tuple in 'ext_modules' "
+                       "must be a dictionary (build info)")
+
+            # OK, the (ext_name, build_info) dict is type-safe: convert it
+            # to an Extension instance.
+            ext = Extension(ext_name, build_info['sources'])
+
+            # Easy stuff: one-to-one mapping from dict elements to
+            # instance attributes.
+            for key in ('include_dirs', 'library_dirs', 'libraries',
+                        'extra_objects', 'extra_compile_args',
+                        'extra_link_args'):
+                val = build_info.get(key)
+                if val is not None:
+                    setattr(ext, key, val)
+
+            # Medium-easy stuff: same syntax/semantics, different names.
+            ext.runtime_library_dirs = build_info.get('rpath')
+            if 'def_file' in build_info:
+                log.warn("'def_file' element of build info dict "
+                         "no longer supported")
+
+            # Non-trivial stuff: 'macros' split into 'define_macros'
+            # and 'undef_macros'.
+            macros = build_info.get('macros')
+            if macros:
+                ext.define_macros = []
+                ext.undef_macros = []
+                for macro in macros:
+                    if not (isinstance(macro, tuple) and len(macro) in (1, 2)):
+                        raise DistutilsSetupError, \
+                              ("'macros' element of build info dict "
+                               "must be 1- or 2-tuple")
+                    if len(macro) == 1:
+                        ext.undef_macros.append(macro[0])
+                    elif len(macro) == 2:
+                        ext.define_macros.append(macro)
+
+            extensions[i] = ext
+
+    def get_source_files(self):
+        self.check_extensions_list(self.extensions)
+        filenames = []
+
+        # Wouldn't it be neat if we knew the names of header files too...
+        for ext in self.extensions:
+            filenames.extend(ext.sources)
+
+        return filenames
+
+    def get_outputs(self):
+        # Sanity check the 'extensions' list -- can't assume this is being
+        # done in the same run as a 'build_extensions()' call (in fact, we
+        # can probably assume that it *isn't*!).
+        self.check_extensions_list(self.extensions)
+
+        # And build the list of output (built) filenames.  Note that this
+        # ignores the 'inplace' flag, and assumes everything goes in the
+        # "build" tree.
+        outputs = []
+        for ext in self.extensions:
+            outputs.append(self.get_ext_fullpath(ext.name))
+        return outputs
+
+    def build_extensions(self):
+        # First, sanity-check the 'extensions' list
+        self.check_extensions_list(self.extensions)
+
+        for ext in self.extensions:
+            self.build_extension(ext)
+
+    def build_extension(self, ext):
+        sources = ext.sources
+        if sources is None or type(sources) not in (ListType, TupleType):
+            raise DistutilsSetupError, \
+                  ("in 'ext_modules' option (extension '%s'), " +
+                   "'sources' must be present and must be " +
+                   "a list of source filenames") % ext.name
+        sources = list(sources)
+
+        ext_path = self.get_ext_fullpath(ext.name)
+        depends = sources + ext.depends
+        if not (self.force or newer_group(depends, ext_path, 'newer')):
+            log.debug("skipping '%s' extension (up-to-date)", ext.name)
+            return
+        else:
+            log.info("building '%s' extension", ext.name)
+
+        # First, scan the sources for SWIG definition files (.i), run
+        # SWIG on 'em to create .c files, and modify the sources list
+        # accordingly.
+        sources = self.swig_sources(sources, ext)
+
+        # Next, compile the source code to object files.
+
+        # XXX not honouring 'define_macros' or 'undef_macros' -- the
+        # CCompiler API needs to change to accommodate this, and I
+        # want to do one thing at a time!
+
+        # Two possible sources for extra compiler arguments:
+        #   - 'extra_compile_args' in Extension object
+        #   - CFLAGS environment variable (not particularly
+        #     elegant, but people seem to expect it and I
+        #     guess it's useful)
+        # The environment variable should take precedence, and
+        # any sensible compiler will give precedence to later
+        # command line args.  Hence we combine them in order:
+        extra_args = ext.extra_compile_args or []
+
+        macros = ext.define_macros[:]
+        for undef in ext.undef_macros:
+            macros.append((undef,))
+
+        objects = self.compiler.compile(sources,
+                                         output_dir=self.build_temp,
+                                         macros=macros,
+                                         include_dirs=ext.include_dirs,
+                                         debug=self.debug,
+                                         extra_postargs=extra_args,
+                                         depends=ext.depends)
+
+        # XXX -- this is a Vile HACK!
+        #
+        # The setup.py script for Python on Unix needs to be able to
+        # get this list so it can perform all the clean up needed to
+        # avoid keeping object files around when cleaning out a failed
+        # build of an extension module.  Since Distutils does not
+        # track dependencies, we have to get rid of intermediates to
+        # ensure all the intermediates will be properly re-built.
+        #
+        self._built_objects = objects[:]
+
+        # Now link the object files together into a "shared object" --
+        # of course, first we have to figure out all the other things
+        # that go into the mix.
+        if ext.extra_objects:
+            objects.extend(ext.extra_objects)
+        extra_args = ext.extra_link_args or []
+
+        # Detect target language, if not provided
+        language = ext.language or self.compiler.detect_language(sources)
+
+        self.compiler.link_shared_object(
+            objects, ext_path,
+            libraries=self.get_libraries(ext),
+            library_dirs=ext.library_dirs,
+            runtime_library_dirs=ext.runtime_library_dirs,
+            extra_postargs=extra_args,
+            export_symbols=self.get_export_symbols(ext),
+            debug=self.debug,
+            build_temp=self.build_temp,
+            target_lang=language)
+
+
+    def swig_sources (self, sources, extension):
+
+        """Walk the list of source files in 'sources', looking for SWIG
+        interface (.i) files.  Run SWIG on all that are found, and
+        return a modified 'sources' list with SWIG source files replaced
+        by the generated C (or C++) files.
+        """
+
+        new_sources = []
+        swig_sources = []
+        swig_targets = {}
+
+        # XXX this drops generated C/C++ files into the source tree, which
+        # is fine for developers who want to distribute the generated
+        # source -- but there should be an option to put SWIG output in
+        # the temp dir.
+
+        if self.swig_cpp:
+            log.warn("--swig-cpp is deprecated - use --swig-opts=-c++")
+
+        if self.swig_cpp or ('-c++' in self.swig_opts) or \
+           ('-c++' in extension.swig_opts):
+            target_ext = '.cpp'
+        else:
+            target_ext = '.c'
+
+        for source in sources:
+            (base, ext) = os.path.splitext(source)
+            if ext == ".i":             # SWIG interface file
+                new_sources.append(base + '_wrap' + target_ext)
+                swig_sources.append(source)
+                swig_targets[source] = new_sources[-1]
+            else:
+                new_sources.append(source)
+
+        if not swig_sources:
+            return new_sources
+
+        swig = self.swig or self.find_swig()
+        swig_cmd = [swig, "-python"]
+        swig_cmd.extend(self.swig_opts)
+        if self.swig_cpp:
+            swig_cmd.append("-c++")
+
+        # Do not override commandline arguments
+        if not self.swig_opts:
+            for o in extension.swig_opts:
+                swig_cmd.append(o)
+
+        for source in swig_sources:
+            target = swig_targets[source]
+            log.info("swigging %s to %s", source, target)
+            self.spawn(swig_cmd + ["-o", target, source])
+
+        return new_sources
+
+    # swig_sources ()
+
+    def find_swig (self):
+        """Return the name of the SWIG executable.  On Unix, this is
+        just "swig" -- it should be in the PATH.  Tries a bit harder on
+        Windows.
+        """
+
+        if os.name == "posix":
+            return "swig"
+        elif os.name == "nt":
+
+            # Look for SWIG in its standard installation directory on
+            # Windows (or so I presume!).  If we find it there, great;
+            # if not, act like Unix and assume it's in the PATH.
+            for vers in ("1.3", "1.2", "1.1"):
+                fn = os.path.join("c:\\swig%s" % vers, "swig.exe")
+                if os.path.isfile(fn):
+                    return fn
+            else:
+                return "swig.exe"
+
+        elif os.name == "os2":
+            # assume swig available in the PATH.
+            return "swig.exe"
+
+        else:
+            raise DistutilsPlatformError, \
+                  ("I don't know how to find (much less run) SWIG "
+                   "on platform '%s'") % os.name
+
+    # find_swig ()
+
+    # -- Name generators -----------------------------------------------
+    # (extension names, filenames, whatever)
+    def get_ext_fullpath(self, ext_name):
+        """Returns the path of the filename for a given extension.
+
+        The file is located in `build_lib` or directly in the package
+        (inplace option).
+        """
+        # makes sure the extension name is only using dots
+        all_dots = string.maketrans('/'+os.sep, '..')
+        ext_name = ext_name.translate(all_dots)
+
+        fullname = self.get_ext_fullname(ext_name)
+        modpath = fullname.split('.')
+        filename = self.get_ext_filename(ext_name)
+        filename = os.path.split(filename)[-1]
+
+        if not self.inplace:
+            # no further work needed
+            # returning :
+            #   build_dir/package/path/filename
+            filename = os.path.join(*modpath[:-1]+[filename])
+            return os.path.join(self.build_lib, filename)
+
+        # the inplace option requires to find the package directory
+        # using the build_py command for that
+        package = '.'.join(modpath[0:-1])
+        build_py = self.get_finalized_command('build_py')
+        package_dir = os.path.abspath(build_py.get_package_dir(package))
+
+        # returning
+        #   package_dir/filename
+        return os.path.join(package_dir, filename)
+
+    def get_ext_fullname(self, ext_name):
+        """Returns the fullname of a given extension name.
+
+        Adds the `package.` prefix"""
+        if self.package is None:
+            return ext_name
+        else:
+            return self.package + '.' + ext_name
+
+    def get_ext_filename(self, ext_name):
+        r"""Convert the name of an extension (eg. "foo.bar") into the name
+        of the file from which it will be loaded (eg. "foo/bar.so", or
+        "foo\bar.pyd").
+        """
+        from distutils.sysconfig import get_config_var
+        ext_path = string.split(ext_name, '.')
+        # OS/2 has an 8 character module (extension) limit :-(
+        if os.name == "os2":
+            ext_path[len(ext_path) - 1] = ext_path[len(ext_path) - 1][:8]
+        # extensions in debug_mode are named 'module_d.pyd' under windows
+        so_ext = get_config_var('SO')
+        if os.name == 'nt' and self.debug:
+            return os.path.join(*ext_path) + '_d' + so_ext
+        return os.path.join(*ext_path) + so_ext
+
+    def get_export_symbols (self, ext):
+        """Return the list of symbols that a shared extension has to
+        export.  This either uses 'ext.export_symbols' or, if it's not
+        provided, "init" + module_name.  Only relevant on Windows, where
+        the .pyd file (DLL) must export the module "init" function.
+        """
+        initfunc_name = "init" + ext.name.split('.')[-1]
+        if initfunc_name not in ext.export_symbols: