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diff --git a/lib/python2.7/distutils/command/build_ext.py b/lib/python2.7/distutils/command/build_ext.py
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+"""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
+
+# GCC(mingw): os.name is "nt" but build system is posix
+if os.name == 'nt' and sys.version.find('GCC') < 0:
+ 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)
+
+ 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
+ # GCC(mingw): os.name is "nt" but build system is posix
+ if os.name == 'nt' and sys.version.find('GCC') < 0:
+ # 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'
+ or (sys.platform == 'win32' and sys.version.find('GCC') >= 0)):
+ 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.
+
+ # FIXME: What is purpose of code below ?
+ # The posix build system khow requred libraries to build a module.
+ # The libraries are stored in config(Makefile) variables BLDLIBRARY,
+ # MODLIBS and SHLIBS. Note that some variables may contain linker
+ # flags.
+ # NOTE: For now we will check only GCC(mingw) compiler as is clear
+ # that we build for windows platfrom.
+ # The code for GCC(mingw) is not correct but this is distutils
+ # limitation - we has to pass variables to the linker as is
+ # instead only library names.
+ if self.compiler.compiler_type == 'mingw32':
+ from distutils import sysconfig
+ template = "python%s"
+ if self.debug:
+ template = template + '_d'
+ extra = [(template % (sysconfig.get_config_var('VERSION')))]
+ for lib in sysconfig.get_config_var('BLDLIBRARY').split():
+ if lib.startswith('-l'):
+ extra.append(lib[2:])
+ for lib in sysconfig.get_config_var('MODLIBS').split():
+ if lib.startswith('-l'):
+ extra.append(lib[2:])
+ for lib in sysconfig.get_config_var('SHLIBS').split():
+ if lib.startswith('-l'):
+ extra.append(lib[2:])
+ return ext.libraries + extra
+
+ 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