setup.py - platform/external/python/cpython3 - Gitiles

 # To be fixed:
 #   Implement --disable-modules setting
 #   Don't install to site-packages, but to lib-dynload

 import sys, os, string, getopt
 from distutils import sysconfig
 from distutils.core import Extension, setup
 from distutils.command.build_ext import build_ext

 # This global variable is used to hold the list of modules to be disabled.
 disabled_module_list = []

 def find_file(path, filename):
     for p in path:
         fullpath = p + os.sep + filename
         if os.path.exists(fullpath):
             return fullpath
     return None

 def module_enabled(extlist, modname):
     """Returns whether the module 'modname' is present in the list
     of extensions 'extlist'."""
     extlist = [ext for ext in extlist if ext.name == modname]
     return len(extlist)

 class PyBuildExt(build_ext):

     def build_extensions(self):
         from distutils.ccompiler import new_compiler
         from distutils.sysconfig import customize_compiler

         # Detect which modules should be compiled
         self.detect_modules()

         # Remove modules that are present on the disabled list
         self.extensions = [ext for ext in self.extensions
                            if ext.name not in disabled_module_list]

         # Fix up the autodetected modules, prefixing all the source files
         # with Modules/ and adding Python's include directory to the path.
         (srcdir,) = sysconfig.get_config_vars('srcdir')

         #
         moddir = os.path.join(os.getcwd(), 'Modules', srcdir)
         moddir = os.path.normpath(moddir)
         srcdir, tail = os.path.split(moddir)
         srcdir = os.path.normpath(srcdir)
         moddir = os.path.normpath(moddir)

         for ext in self.extensions:
             ext.sources = [ os.path.join(moddir, filename)
                             for filename in ext.sources ]
             ext.include_dirs.append( '.' ) # to get config.h
             ext.include_dirs.append( os.path.join(srcdir, './Include') )

         build_ext.build_extensions(self)

     def detect_modules(self):
         # XXX this always gets an empty list -- hardwiring to
         # a fixed list
         lib_dirs = self.compiler.library_dirs[:]
         lib_dirs += ['/lib', '/usr/lib', '/usr/local/lib']
         inc_dirs = ['/usr/include', '/usr/local/include'] + self.include_dirs
         exts = []

         # XXX Omitted modules: gl, pure, dl, SGI-specific modules

         #
         # The following modules are all pretty straightforward, and compile
         # on pretty much any POSIXish platform.
         #

         # Some modules that are normally always on:
         exts.append( Extension('regex', ['regexmodule.c', 'regexpr.c']) )
         exts.append( Extension('pcre', ['pcremodule.c', 'pypcre.c']) )

         exts.append( Extension('xreadlines', ['xreadlinesmodule.c']) )

         # array objects
         exts.append( Extension('array', ['arraymodule.c']) )
         # complex math library functions
         exts.append( Extension('cmath', ['cmathmodule.c'], libraries=['m']) )
         # math library functions, e.g. sin()
         exts.append( Extension('math',  ['mathmodule.c'], libraries=['m']) )
         # fast string operations implemented in C
         exts.append( Extension('strop', ['stropmodule.c']) )
         # time operations and variables
         exts.append( Extension('time', ['timemodule.c'], libraries=['m']) )
         # operator.add() and similar goodies
         exts.append( Extension('operator', ['operator.c']) )
         # access to the builtin codecs and codec registry
         exts.append( Extension('_codecs', ['_codecsmodule.c']) )
         # static Unicode character database
         exts.append( Extension('unicodedata', ['unicodedata.c', 'unicodedatabase.c']) )
         # Unicode Character Name expansion hash table
         exts.append( Extension('ucnhash', ['ucnhash.c']) )
         # access to ISO C locale support
         exts.append( Extension('_locale', ['_localemodule.c']) )

         # Modules with some UNIX dependencies -- on by default:
         # (If you have a really backward UNIX, select and socket may not be
         # supported...)

         # fcntl(2) and ioctl(2)
         exts.append( Extension('fcntl', ['fcntlmodule.c']) )
         # pwd(3)
         exts.append( Extension('pwd', ['pwdmodule.c']) )
         # grp(3)
         exts.append( Extension('grp', ['grpmodule.c']) )
         # posix (UNIX) errno values
         exts.append( Extension('errno', ['errnomodule.c']) )
         # select(2); not on ancient System V
         exts.append( Extension('select', ['selectmodule.c']) )

         # The md5 module implements the RSA Data Security, Inc. MD5
         # Message-Digest Algorithm, described in RFC 1321.  The necessary files
         # md5c.c and md5.h are included here.
         exts.append( Extension('md5', ['md5module.c', 'md5c.c']) )

         # The sha module implements the SHA checksum algorithm.
         # (NIST's Secure Hash Algorithm.)
         exts.append( Extension('sha', ['shamodule.c']) )

         # Tommy Burnette's 'new' module (creates new empty objects of certain kinds):
         exts.append( Extension('new', ['newmodule.c']) )

         # Helper module for various ascii-encoders
         exts.append( Extension('binascii', ['binascii.c']) )

         # Fred Drake's interface to the Python parser
         exts.append( Extension('parser', ['parsermodule.c']) )

         # Digital Creations' cStringIO and cPickle
         exts.append( Extension('cStringIO', ['cStringIO.c']) )
         exts.append( Extension('cPickle', ['cPickle.c']) )

         # Memory-mapped files (also works on Win32).
         exts.append( Extension('mmap', ['mmapmodule.c']) )

         # Lance Ellinghaus's modules:
         # enigma-inspired encryption
         exts.append( Extension('rotor', ['rotormodule.c']) )
         # syslog daemon interface
         exts.append( Extension('syslog', ['syslogmodule.c']) )

         # George Neville-Neil's timing module:
         exts.append( Extension('timing', ['timingmodule.c']) )

         #
         # Here ends the simple stuff.  From here on, modules need certain libraries,
         # are platform-specific, or present other surprises.
         #

         # Multimedia modules
         # These don't work for 64-bit platforms!!!
         # These represent audio samples or images as strings:

         # Disabled on 64-bit platforms
         if sys.maxint != 9223372036854775807L:
             # Operations on audio samples
             exts.append( Extension('audioop', ['audioop.c']) )
             # Operations on images
             exts.append( Extension('imageop', ['imageop.c']) )
             # Read SGI RGB image files (but coded portably)
             exts.append( Extension('rgbimg', ['rgbimgmodule.c']) )

         # readline
         if (self.compiler.find_library_file(lib_dirs, 'readline')):
             exts.append( Extension('readline', ['readline.c'],
                                    libraries=['readline', 'termcap']) )

         # The crypt module is now disabled by default because it breaks builds
         # on many systems (where -lcrypt is needed), e.g. Linux (I believe).

         if self.compiler.find_library_file(lib_dirs, 'crypt'):
             libs = ['crypt']
         else:
             libs = []
         exts.append( Extension('crypt', ['cryptmodule.c'], libraries=libs) )

         # socket(2)
         # Detect SSL support for the socket module
         if (self.compiler.find_library_file(lib_dirs, 'ssl') and
             self.compiler.find_library_file(lib_dirs, 'crypto') ):
             exts.append( Extension('_socket', ['socketmodule.c'],
                                    libraries = ['ssl', 'crypto'],
                                    define_macros = [('USE_SSL',1)] ) )
         else:
             exts.append( Extension('_socket', ['socketmodule.c']) )

         # Modules that provide persistent dictionary-like semantics.  You will
         # probably want to arrange for at least one of them to be available on
         # your machine, though none are defined by default because of library
         # dependencies.  The Python module anydbm.py provides an
         # implementation independent wrapper for these; dumbdbm.py provides
         # similar functionality (but slower of course) implemented in Python.

         # The standard Unix dbm module:
         if (self.compiler.find_library_file(lib_dirs, 'ndbm')):
             exts.append( Extension('dbm', ['dbmmodule.c'],
                                    libraries = ['ndbm'] ) )
         else:
             exts.append( Extension('dbm', ['dbmmodule.c']) )

         # Anthony Baxter's gdbm module.  GNU dbm(3) will require -lgdbm:
         if (self.compiler.find_library_file(lib_dirs, 'gdbm')):
             exts.append( Extension('gdbm', ['gdbmmodule.c'],
                                    libraries = ['gdbm'] ) )

         # Berkeley DB interface.
         #
         # This requires the Berkeley DB code, see
         # ftp://ftp.cs.berkeley.edu/pub/4bsd/db.1.85.tar.gz
         #
         # Edit the variables DB and DBPORT to point to the db top directory
         # and the subdirectory of PORT where you built it.
         #
         # (See http://electricrain.com/greg/python/bsddb3/ for an interface to
         # BSD DB 3.x.)

         # Note: If a db.h file is found by configure, bsddb will be enabled
         # automatically via Setup.config.in.  It only needs to be enabled here
         # if it is not automatically enabled there; check the generated
         # Setup.config before enabling it here.

         if (self.compiler.find_library_file(lib_dirs, 'db') and
             find_file(inc_dirs, 'db_185.h') ):
             exts.append( Extension('bsddb', ['bsddbmodule.c'],
                                    libraries = ['db'] ) )

         # The mpz module interfaces to the GNU Multiple Precision library.
         # You need to ftp the GNU MP library.
         # This was originally written and tested against GMP 1.2 and 1.3.2.
         # It has been modified by Rob Hooft to work with 2.0.2 as well, but I
         # haven't tested it recently.   For a more complete module,
         # refer to pympz.sourceforge.net.

         # A compatible MP library unencombered by the GPL also exists.  It was
         # posted to comp.sources.misc in volume 40 and is widely available from
         # FTP archive sites. One URL for it is:
         # ftp://gatekeeper.dec.com/.b/usenet/comp.sources.misc/volume40/fgmp/part01.Z

         # Anthony Baxter's gdbm module.  GNU dbm(3) will require -lgdbm:
         if (self.compiler.find_library_file(lib_dirs, 'gmp')):
             exts.append( Extension('mpz', ['mpzmodule.c'],
                                    libraries = ['gmp'] ) )


         # Unix-only modules
         if sys.platform not in ['mac', 'win32']:
             # Steen Lumholt's termios module
             exts.append( Extension('termios', ['termios.c']) )
             # Jeremy Hylton's rlimit interface
             exts.append( Extension('resource', ['resource.c']) )

             if (self.compiler.find_library_file(lib_dirs, 'nsl')):
                 exts.append( Extension('nis', ['nismodule.c'],
                                        libraries = ['nsl']) )

         # Curses support, requring the System V version of curses, often
         # provided by the ncurses library.
         if sys.platform == 'sunos4':
             include_dirs += ['/usr/5include']
             lib_dirs += ['/usr/5lib']

         if (self.compiler.find_library_file(lib_dirs, 'ncurses')):
             curses_libs = ['ncurses']
             exts.append( Extension('_curses', ['_cursesmodule.c'],
                                    libraries = curses_libs) )
         elif (self.compiler.find_library_file(lib_dirs, 'curses')):
             if (self.compiler.find_library_file(lib_dirs, 'terminfo')):
                 curses_libs = ['curses', 'terminfo']
             else:
                 curses_libs = ['curses', 'termcap']

             exts.append( Extension('_curses', ['_cursesmodule.c'],
                                    libraries = curses_libs) )

         # If the curses module is enabled, check for the panel module
         if (os.path.exists('Modules/_curses_panel.c') and
             module_enabled(exts, '_curses') and
             self.compiler.find_library_file(lib_dirs, 'panel')):
             exts.append( Extension('_curses_panel', ['_curses_panel.c'],
                                    libraries = ['panel'] + curses_libs) )


         # Lee Busby's SIGFPE modules.
         # The library to link fpectl with is platform specific.
         # Choose *one* of the options below for fpectl:

         if sys.platform == 'irix5':
             # For SGI IRIX (tested on 5.3):
             exts.append( Extension('fpectl', ['fpectlmodule.c'],
                                    libraries=['fpe']) )
         elif 0: # XXX
             # For Solaris with SunPro compiler (tested on Solaris 2.5 with SunPro C 4.2):
             # (Without the compiler you don't have -lsunmath.)
             #fpectl fpectlmodule.c -R/opt/SUNWspro/lib -lsunmath -lm
             pass
         else:
             # For other systems: see instructions in fpectlmodule.c.
             #fpectl fpectlmodule.c ...
             exts.append( Extension('fpectl', ['fpectlmodule.c']) )


         # Andrew Kuchling's zlib module.
         # This require zlib 1.1.3 (or later).
         # See http://www.cdrom.com/pub/infozip/zlib/
         if (self.compiler.find_library_file(lib_dirs, 'z')):
             exts.append( Extension('zlib', ['zlibmodule.c'],
                                    libraries = ['z']) )

         # Interface to the Expat XML parser
         #
         # Expat is written by James Clark and must be downloaded separately
         # (see below).  The pyexpat module was written by Paul Prescod after a
         # prototype by Jack Jansen.
         #
         # The Expat dist includes Windows .lib and .dll files.  Home page is at
         # http://www.jclark.com/xml/expat.html, the current production release is
         # always ftp://ftp.jclark.com/pub/xml/expat.zip.
         #
         # EXPAT_DIR, below, should point to the expat/ directory created by
         # unpacking the Expat source distribution.
         #
         # Note: the expat build process doesn't yet build a libexpat.a; you can
         # do this manually while we try convince the author to add it.  To do so,
         # cd to EXPAT_DIR, run "make" if you have not done so, then run:
         #
         #    ar cr libexpat.a xmltok/*.o xmlparse/*.o
         #
         if (self.compiler.find_library_file(lib_dirs, 'expat')):
             defs = None
             if find_file(inc_dirs, 'expat.h'):
                 defs = [('HAVE_EXPAT_H', 1)]
             elif find_file(inc_dirs, 'xmlparse.h'):
                 defs = []
             if defs is not None:
                 exts.append( Extension('pyexpat', ['pyexpat.c'],
                                        define_macros = defs,
                                        libraries = ['expat']) )

         # Platform-specific libraries
         plat = sys.platform
         if plat == 'linux2':
             # Linux-specific modules
             exts.append( Extension('linuxaudiodev', ['linuxaudiodev.c']) )

         if plat == 'sunos5':
             # SunOS specific modules
             exts.append( Extension('sunaudiodev', ['sunaudiodev.c']) )

         # The _tkinter module.
         #
         # The command for _tkinter is long and site specific.  Please
         # uncomment and/or edit those parts as indicated.  If you don't have a
         # specific extension (e.g. Tix or BLT), leave the corresponding line
         # commented out.  (Leave the trailing backslashes in!  If you
         # experience strange errors, you may want to join all uncommented
         # lines and remove the backslashes -- the backslash interpretation is
         # done by the shell's "read" command and it may not be implemented on
         # every system.

         for version in ['8.4', '8.3', '8.2', '8.1', '8.0']:
             tklib = self.compiler.find_library_file(lib_dirs,
                                                     'tk' + version )
             tcllib = self.compiler.find_library_file(lib_dirs,
                                                      'tcl' + version )
             if tklib and tcllib:
                 # Exit the loop when we've found the Tcl/Tk libraries
                 break

         if (tcllib and tklib):
             include_dirs = [] ; libs = [] ; defs = [] ; added_lib_dirs = []

             # Determine the prefix where Tcl/Tk is installed by
             # chopping off the 'lib' suffix.
             prefix = os.path.dirname(tcllib)
             L = string.split(prefix, os.sep)
             if L[-1] == 'lib': del L[-1]
             prefix = string.join(L, os.sep)

             if prefix + os.sep + 'lib' not in lib_dirs:
                 added_lib_dirs.append( prefix + os.sep + 'lib')

                 # Check for the include files on Debian, where
                 # they're put in /usr/include/{tcl,tk}X.Y
                 debian_tcl_include = ( prefix + os.sep + 'include/tcl' +
                                        version )
                 debian_tk_include = ( prefix + os.sep + 'include/tk' +
                                        version )
                 if os.path.exists(debian_tcl_include):
                     include_dirs = [debian_tcl_include, debian_tk_include]
                 else:
                     # Fallback for non-Debian systems
                     include_dirs = [prefix + os.sep + 'include']

             # Check for various platform-specific directories
             if sys.platform == 'sunos5':
                 include_dirs.append('/usr/openwin/include')
                 added_lib_dirs.append('/usr/openwin/lib')
             elif os.path.exists('/usr/X11R6/include'):
                 include_dirs.append('/usr/X11R6/include')
                 added_lib_dirs.append('/usr/X11R6/lib')
             elif os.path.exists('/usr/X11R5/include'):
                 include_dirs.append('/usr/X11R5/include')
                 added_lib_dirs.append('/usr/X11R5/lib')
             else:
                 # Assume default form
                 include_dirs.append('/usr/X11/include')
                 added_lib_dirs.append('/usr/X11/lib')

             if self.compiler.find_library_file(lib_dirs + added_lib_dirs, 'tix4.1.8.0'):
                 defs.append( ('WITH_TIX', 1) )
                 libs.append('tix4.1.8.0')

             if self.compiler.find_library_file(lib_dirs + added_lib_dirs, 'BLT8.0'):
                 defs.append( ('WITH_BLT', 1) )
                 libs.append('BLT8.0')

             if sys.platform in ['aix3', 'aix4']:
                 libs.append('ld')

             # X11 libraries to link with:
             libs.append('X11')

             tklib, ext = os.path.splitext(tklib)
             tcllib, ext = os.path.splitext(tcllib)
             tklib = os.path.basename(tklib)
             tcllib = os.path.basename(tcllib)
             libs.append( tklib[3:] )    # Chop off 'lib' prefix
             libs.append( tcllib[3:] )

             exts.append( Extension('_tkinter', ['_tkinter.c', 'tkappinit.c'],
                                    define_macros=[('WITH_APPINIT', 1)] + defs,
                                    include_dirs = include_dirs,
                                    libraries = libs,
                                    library_dirs = added_lib_dirs,
                                    )
                          )
         # XXX handle these
         # *** Uncomment and edit for PIL (TkImaging) extension only:
         #	-DWITH_PIL -I../Extensions/Imaging/libImaging  tkImaging.c \
         # *** Uncomment and edit for TOGL extension only:
         #	-DWITH_TOGL togl.c \
         # *** Uncomment these for TOGL extension only:
         #	-lGL -lGLU -lXext -lXmu \

         self.extensions.extend(exts)

 def main():
     setup(name = 'Python standard library',
           version = '%d.%d' % sys.version_info[:2],
           cmdclass = {'build_ext':PyBuildExt},
           # The struct module is defined here, because build_ext won't be
           # called unless there's at least one extension module defined.
           ext_modules=[Extension('struct', ['structmodule.c'])]
         )

 # --install-platlib
 if __name__ == '__main__':
     sysconfig.set_python_build()
     main()
	# To be fixed:
	# Implement --disable-modules setting
	# Don't install to site-packages, but to lib-dynload

	import sys, os, string, getopt
	from distutils import sysconfig
	from distutils.core import Extension, setup
	from distutils.command.build_ext import build_ext

	# This global variable is used to hold the list of modules to be disabled.
	disabled_module_list = []

	def find_file(path, filename):
	for p in path:
	fullpath = p + os.sep + filename
	if os.path.exists(fullpath):
	return fullpath
	return None

	def module_enabled(extlist, modname):
	"""Returns whether the module 'modname' is present in the list
	of extensions 'extlist'."""
	extlist = [ext for ext in extlist if ext.name == modname]
	return len(extlist)

	class PyBuildExt(build_ext):

	def build_extensions(self):
	from distutils.ccompiler import new_compiler
	from distutils.sysconfig import customize_compiler

	# Detect which modules should be compiled
	self.detect_modules()

	# Remove modules that are present on the disabled list
	self.extensions = [ext for ext in self.extensions
	if ext.name not in disabled_module_list]

	# Fix up the autodetected modules, prefixing all the source files
	# with Modules/ and adding Python's include directory to the path.
	(srcdir,) = sysconfig.get_config_vars('srcdir')

	#
	moddir = os.path.join(os.getcwd(), 'Modules', srcdir)
	moddir = os.path.normpath(moddir)
	srcdir, tail = os.path.split(moddir)
	srcdir = os.path.normpath(srcdir)
	moddir = os.path.normpath(moddir)

	for ext in self.extensions:
	ext.sources = [ os.path.join(moddir, filename)
	for filename in ext.sources ]
	ext.include_dirs.append( '.' ) # to get config.h
	ext.include_dirs.append( os.path.join(srcdir, './Include') )

	build_ext.build_extensions(self)

	def detect_modules(self):
	# XXX this always gets an empty list -- hardwiring to
	# a fixed list
	lib_dirs = self.compiler.library_dirs[:]
	lib_dirs += ['/lib', '/usr/lib', '/usr/local/lib']
	inc_dirs = ['/usr/include', '/usr/local/include'] + self.include_dirs
	exts = []

	# XXX Omitted modules: gl, pure, dl, SGI-specific modules

	#
	# The following modules are all pretty straightforward, and compile
	# on pretty much any POSIXish platform.
	#

	# Some modules that are normally always on:
	exts.append( Extension('regex', ['regexmodule.c', 'regexpr.c']) )
	exts.append( Extension('pcre', ['pcremodule.c', 'pypcre.c']) )

	exts.append( Extension('xreadlines', ['xreadlinesmodule.c']) )

	# array objects
	exts.append( Extension('array', ['arraymodule.c']) )
	# complex math library functions
	exts.append( Extension('cmath', ['cmathmodule.c'], libraries=['m']) )
	# math library functions, e.g. sin()
	exts.append( Extension('math', ['mathmodule.c'], libraries=['m']) )
	# fast string operations implemented in C
	exts.append( Extension('strop', ['stropmodule.c']) )
	# time operations and variables
	exts.append( Extension('time', ['timemodule.c'], libraries=['m']) )
	# operator.add() and similar goodies
	exts.append( Extension('operator', ['operator.c']) )
	# access to the builtin codecs and codec registry
	exts.append( Extension('_codecs', ['_codecsmodule.c']) )
	# static Unicode character database
	exts.append( Extension('unicodedata', ['unicodedata.c', 'unicodedatabase.c']) )
	# Unicode Character Name expansion hash table
	exts.append( Extension('ucnhash', ['ucnhash.c']) )
	# access to ISO C locale support
	exts.append( Extension('_locale', ['_localemodule.c']) )

	# Modules with some UNIX dependencies -- on by default:
	# (If you have a really backward UNIX, select and socket may not be
	# supported...)

	# fcntl(2) and ioctl(2)
	exts.append( Extension('fcntl', ['fcntlmodule.c']) )
	# pwd(3)
	exts.append( Extension('pwd', ['pwdmodule.c']) )
	# grp(3)
	exts.append( Extension('grp', ['grpmodule.c']) )
	# posix (UNIX) errno values
	exts.append( Extension('errno', ['errnomodule.c']) )
	# select(2); not on ancient System V
	exts.append( Extension('select', ['selectmodule.c']) )

	# The md5 module implements the RSA Data Security, Inc. MD5
	# Message-Digest Algorithm, described in RFC 1321. The necessary files
	# md5c.c and md5.h are included here.
	exts.append( Extension('md5', ['md5module.c', 'md5c.c']) )

	# The sha module implements the SHA checksum algorithm.
	# (NIST's Secure Hash Algorithm.)
	exts.append( Extension('sha', ['shamodule.c']) )

	# Tommy Burnette's 'new' module (creates new empty objects of certain kinds):
	exts.append( Extension('new', ['newmodule.c']) )

	# Helper module for various ascii-encoders
	exts.append( Extension('binascii', ['binascii.c']) )

	# Fred Drake's interface to the Python parser
	exts.append( Extension('parser', ['parsermodule.c']) )

	# Digital Creations' cStringIO and cPickle
	exts.append( Extension('cStringIO', ['cStringIO.c']) )
	exts.append( Extension('cPickle', ['cPickle.c']) )

	# Memory-mapped files (also works on Win32).
	exts.append( Extension('mmap', ['mmapmodule.c']) )

	# Lance Ellinghaus's modules:
	# enigma-inspired encryption
	exts.append( Extension('rotor', ['rotormodule.c']) )
	# syslog daemon interface
	exts.append( Extension('syslog', ['syslogmodule.c']) )

	# George Neville-Neil's timing module:
	exts.append( Extension('timing', ['timingmodule.c']) )

	#
	# Here ends the simple stuff. From here on, modules need certain libraries,
	# are platform-specific, or present other surprises.
	#

	# Multimedia modules
	# These don't work for 64-bit platforms!!!
	# These represent audio samples or images as strings:

	# Disabled on 64-bit platforms
	if sys.maxint != 9223372036854775807L:
	# Operations on audio samples
	exts.append( Extension('audioop', ['audioop.c']) )
	# Operations on images
	exts.append( Extension('imageop', ['imageop.c']) )
	# Read SGI RGB image files (but coded portably)
	exts.append( Extension('rgbimg', ['rgbimgmodule.c']) )

	# readline
	if (self.compiler.find_library_file(lib_dirs, 'readline')):
	exts.append( Extension('readline', ['readline.c'],
	libraries=['readline', 'termcap']) )

	# The crypt module is now disabled by default because it breaks builds
	# on many systems (where -lcrypt is needed), e.g. Linux (I believe).

	if self.compiler.find_library_file(lib_dirs, 'crypt'):
	libs = ['crypt']
	else:
	libs = []
	exts.append( Extension('crypt', ['cryptmodule.c'], libraries=libs) )

	# socket(2)
	# Detect SSL support for the socket module
	if (self.compiler.find_library_file(lib_dirs, 'ssl') and
	self.compiler.find_library_file(lib_dirs, 'crypto') ):
	exts.append( Extension('_socket', ['socketmodule.c'],
	libraries = ['ssl', 'crypto'],
	define_macros = [('USE_SSL',1)] ) )
	else:
	exts.append( Extension('_socket', ['socketmodule.c']) )

	# Modules that provide persistent dictionary-like semantics. You will
	# probably want to arrange for at least one of them to be available on
	# your machine, though none are defined by default because of library
	# dependencies. The Python module anydbm.py provides an
	# implementation independent wrapper for these; dumbdbm.py provides
	# similar functionality (but slower of course) implemented in Python.

	# The standard Unix dbm module:
	if (self.compiler.find_library_file(lib_dirs, 'ndbm')):
	exts.append( Extension('dbm', ['dbmmodule.c'],
	libraries = ['ndbm'] ) )
	else:
	exts.append( Extension('dbm', ['dbmmodule.c']) )

	# Anthony Baxter's gdbm module. GNU dbm(3) will require -lgdbm:
	if (self.compiler.find_library_file(lib_dirs, 'gdbm')):
	exts.append( Extension('gdbm', ['gdbmmodule.c'],
	libraries = ['gdbm'] ) )

	# Berkeley DB interface.
	#
	# This requires the Berkeley DB code, see
	# ftp://ftp.cs.berkeley.edu/pub/4bsd/db.1.85.tar.gz
	#
	# Edit the variables DB and DBPORT to point to the db top directory
	# and the subdirectory of PORT where you built it.
	#
	# (See http://electricrain.com/greg/python/bsddb3/ for an interface to
	# BSD DB 3.x.)

	# Note: If a db.h file is found by configure, bsddb will be enabled
	# automatically via Setup.config.in. It only needs to be enabled here
	# if it is not automatically enabled there; check the generated
	# Setup.config before enabling it here.

	if (self.compiler.find_library_file(lib_dirs, 'db') and
	find_file(inc_dirs, 'db_185.h') ):
	exts.append( Extension('bsddb', ['bsddbmodule.c'],
	libraries = ['db'] ) )

	# The mpz module interfaces to the GNU Multiple Precision library.
	# You need to ftp the GNU MP library.
	# This was originally written and tested against GMP 1.2 and 1.3.2.
	# It has been modified by Rob Hooft to work with 2.0.2 as well, but I
	# haven't tested it recently. For a more complete module,
	# refer to pympz.sourceforge.net.

	# A compatible MP library unencombered by the GPL also exists. It was
	# posted to comp.sources.misc in volume 40 and is widely available from
	# FTP archive sites. One URL for it is:
	# ftp://gatekeeper.dec.com/.b/usenet/comp.sources.misc/volume40/fgmp/part01.Z

	# Anthony Baxter's gdbm module. GNU dbm(3) will require -lgdbm:
	if (self.compiler.find_library_file(lib_dirs, 'gmp')):
	exts.append( Extension('mpz', ['mpzmodule.c'],
	libraries = ['gmp'] ) )


	# Unix-only modules
	if sys.platform not in ['mac', 'win32']:
	# Steen Lumholt's termios module
	exts.append( Extension('termios', ['termios.c']) )
	# Jeremy Hylton's rlimit interface
	exts.append( Extension('resource', ['resource.c']) )

	if (self.compiler.find_library_file(lib_dirs, 'nsl')):
	exts.append( Extension('nis', ['nismodule.c'],
	libraries = ['nsl']) )

	# Curses support, requring the System V version of curses, often
	# provided by the ncurses library.
	if sys.platform == 'sunos4':
	include_dirs += ['/usr/5include']
	lib_dirs += ['/usr/5lib']

	if (self.compiler.find_library_file(lib_dirs, 'ncurses')):
	curses_libs = ['ncurses']
	exts.append( Extension('_curses', ['_cursesmodule.c'],
	libraries = curses_libs) )
	elif (self.compiler.find_library_file(lib_dirs, 'curses')):
	if (self.compiler.find_library_file(lib_dirs, 'terminfo')):
	curses_libs = ['curses', 'terminfo']
	else:
	curses_libs = ['curses', 'termcap']

	exts.append( Extension('_curses', ['_cursesmodule.c'],
	libraries = curses_libs) )

	# If the curses module is enabled, check for the panel module
	if (os.path.exists('Modules/_curses_panel.c') and
	module_enabled(exts, '_curses') and
	self.compiler.find_library_file(lib_dirs, 'panel')):
	exts.append( Extension('_curses_panel', ['_curses_panel.c'],
	libraries = ['panel'] + curses_libs) )



	# Lee Busby's SIGFPE modules.
	# The library to link fpectl with is platform specific.
	# Choose one of the options below for fpectl:

	if sys.platform == 'irix5':
	# For SGI IRIX (tested on 5.3):
	exts.append( Extension('fpectl', ['fpectlmodule.c'],
	libraries=['fpe']) )
	elif 0: # XXX
	# For Solaris with SunPro compiler (tested on Solaris 2.5 with SunPro C 4.2):
	# (Without the compiler you don't have -lsunmath.)
	#fpectl fpectlmodule.c -R/opt/SUNWspro/lib -lsunmath -lm
	pass
	else:
	# For other systems: see instructions in fpectlmodule.c.
	#fpectl fpectlmodule.c ...
	exts.append( Extension('fpectl', ['fpectlmodule.c']) )


	# Andrew Kuchling's zlib module.
	# This require zlib 1.1.3 (or later).
	# See http://www.cdrom.com/pub/infozip/zlib/
	if (self.compiler.find_library_file(lib_dirs, 'z')):
	exts.append( Extension('zlib', ['zlibmodule.c'],
	libraries = ['z']) )

	# Interface to the Expat XML parser
	#
	# Expat is written by James Clark and must be downloaded separately
	# (see below). The pyexpat module was written by Paul Prescod after a
	# prototype by Jack Jansen.
	#
	# The Expat dist includes Windows .lib and .dll files. Home page is at
	# http://www.jclark.com/xml/expat.html, the current production release is
	# always ftp://ftp.jclark.com/pub/xml/expat.zip.
	#
	# EXPAT_DIR, below, should point to the expat/ directory created by
	# unpacking the Expat source distribution.
	#
	# Note: the expat build process doesn't yet build a libexpat.a; you can
	# do this manually while we try convince the author to add it. To do so,
	# cd to EXPAT_DIR, run "make" if you have not done so, then run:
	#
	# ar cr libexpat.a xmltok/.o xmlparse/.o
	#
	if (self.compiler.find_library_file(lib_dirs, 'expat')):
	defs = None
	if find_file(inc_dirs, 'expat.h'):
	defs = [('HAVE_EXPAT_H', 1)]
	elif find_file(inc_dirs, 'xmlparse.h'):
	defs = []
	if defs is not None:
	exts.append( Extension('pyexpat', ['pyexpat.c'],
	define_macros = defs,
	libraries = ['expat']) )

	# Platform-specific libraries
	plat = sys.platform
	if plat == 'linux2':
	# Linux-specific modules
	exts.append( Extension('linuxaudiodev', ['linuxaudiodev.c']) )

	if plat == 'sunos5':
	# SunOS specific modules
	exts.append( Extension('sunaudiodev', ['sunaudiodev.c']) )

	# The _tkinter module.
	#
	# The command for _tkinter is long and site specific. Please
	# uncomment and/or edit those parts as indicated. If you don't have a
	# specific extension (e.g. Tix or BLT), leave the corresponding line
	# commented out. (Leave the trailing backslashes in! If you
	# experience strange errors, you may want to join all uncommented
	# lines and remove the backslashes -- the backslash interpretation is
	# done by the shell's "read" command and it may not be implemented on
	# every system.

	for version in ['8.4', '8.3', '8.2', '8.1', '8.0']:
	tklib = self.compiler.find_library_file(lib_dirs,
	'tk' + version )
	tcllib = self.compiler.find_library_file(lib_dirs,
	'tcl' + version )
	if tklib and tcllib:
	# Exit the loop when we've found the Tcl/Tk libraries
	break

	if (tcllib and tklib):
	include_dirs = [] ; libs = [] ; defs = [] ; added_lib_dirs = []

	# Determine the prefix where Tcl/Tk is installed by
	# chopping off the 'lib' suffix.
	prefix = os.path.dirname(tcllib)
	L = string.split(prefix, os.sep)
	if L[-1] == 'lib': del L[-1]
	prefix = string.join(L, os.sep)

	if prefix + os.sep + 'lib' not in lib_dirs:
	added_lib_dirs.append( prefix + os.sep + 'lib')

	# Check for the include files on Debian, where
	# they're put in /usr/include/{tcl,tk}X.Y
	debian_tcl_include = ( prefix + os.sep + 'include/tcl' +
	version )
	debian_tk_include = ( prefix + os.sep + 'include/tk' +
	version )
	if os.path.exists(debian_tcl_include):
	include_dirs = [debian_tcl_include, debian_tk_include]
	else:
	# Fallback for non-Debian systems
	include_dirs = [prefix + os.sep + 'include']

	# Check for various platform-specific directories
	if sys.platform == 'sunos5':
	include_dirs.append('/usr/openwin/include')
	added_lib_dirs.append('/usr/openwin/lib')
	elif os.path.exists('/usr/X11R6/include'):
	include_dirs.append('/usr/X11R6/include')
	added_lib_dirs.append('/usr/X11R6/lib')
	elif os.path.exists('/usr/X11R5/include'):
	include_dirs.append('/usr/X11R5/include')
	added_lib_dirs.append('/usr/X11R5/lib')
	else:
	# Assume default form
	include_dirs.append('/usr/X11/include')
	added_lib_dirs.append('/usr/X11/lib')

	if self.compiler.find_library_file(lib_dirs + added_lib_dirs, 'tix4.1.8.0'):
	defs.append( ('WITH_TIX', 1) )
	libs.append('tix4.1.8.0')

	if self.compiler.find_library_file(lib_dirs + added_lib_dirs, 'BLT8.0'):
	defs.append( ('WITH_BLT', 1) )
	libs.append('BLT8.0')

	if sys.platform in ['aix3', 'aix4']:
	libs.append('ld')

	# X11 libraries to link with:
	libs.append('X11')

	tklib, ext = os.path.splitext(tklib)
	tcllib, ext = os.path.splitext(tcllib)
	tklib = os.path.basename(tklib)
	tcllib = os.path.basename(tcllib)
	libs.append( tklib[3:] ) # Chop off 'lib' prefix
	libs.append( tcllib[3:] )

	exts.append( Extension('_tkinter', ['_tkinter.c', 'tkappinit.c'],
	define_macros=[('WITH_APPINIT', 1)] + defs,
	include_dirs = include_dirs,
	libraries = libs,
	library_dirs = added_lib_dirs,
	)
	)
	# XXX handle these
	# *** Uncomment and edit for PIL (TkImaging) extension only:
	# -DWITH_PIL -I../Extensions/Imaging/libImaging tkImaging.c \
	# *** Uncomment and edit for TOGL extension only:
	# -DWITH_TOGL togl.c \
	# *** Uncomment these for TOGL extension only:
	# -lGL -lGLU -lXext -lXmu \

	self.extensions.extend(exts)

	def main():
	setup(name = 'Python standard library',
	version = '%d.%d' % sys.version_info[:2],
	cmdclass = {'build_ext':PyBuildExt},
	# The struct module is defined here, because build_ext won't be
	# called unless there's at least one extension module defined.
	ext_modules=[Extension('struct', ['structmodule.c'])]
	)

	# --install-platlib
	if __name__ == '__main__':
	sysconfig.set_python_build()
	main()