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cpython/setup.py

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# Autodetecting setup.py script for building the Python extensions
#
# To be fixed:
# Implement --disable-modules setting
#
__version__ = "$Revision$"
import sys, os, getopt
from distutils import sysconfig
from distutils.errors import *
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(filename, std_dirs, paths):
"""Searches for the directory where a given file is located,
and returns a possibly-empty list of additional directories, or None
if the file couldn't be found at all.
'filename' is the name of a file, such as readline.h or libcrypto.a.
'std_dirs' is the list of standard system directories; if the
file is found in one of them, no additional directives are needed.
'paths' is a list of additional locations to check; if the file is
found in one of them, the resulting list will contain the directory.
"""
# Check the standard locations
for dir in std_dirs:
f = os.path.join(dir, filename)
if os.path.exists(f): return []
# Check the additional directories
for dir in paths:
f = os.path.join(dir, filename)
if os.path.exists(f):
return [dir]
# Not found anywhere
return None
def find_library_file(compiler, libname, std_dirs, paths):
filename = compiler.library_filename(libname, lib_type='shared')
result = find_file(filename, std_dirs, paths)
if result is not None: return result
filename = compiler.library_filename(libname, lib_type='static')
result = find_file(filename, std_dirs, paths)
return result
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):
# 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')
# Figure out the location of the source code for extension modules
moddir = os.path.join(os.getcwd(), srcdir, 'Modules')
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') )
# If a module has already been built statically,
# don't build it here
if ext.name in sys.builtin_module_names:
self.extensions.remove(ext)
# When you run "make CC=altcc" or something similar, you really want
# those environment variables passed into the setup.py phase. Here's
# a small set of useful ones.
compiler = os.environ.get('CC')
linker_so = os.environ.get('LDSHARED')
args = {}
# unfortunately, distutils doesn't let us provide separate C and C++
# compilers
if compiler is not None:
args['compiler_so'] = compiler
if linker_so is not None:
args['linker_so'] = linker_so + ' -shared'
self.compiler.set_executables(**args)
build_ext.build_extensions(self)
def build_extension(self, ext):
try:
build_ext.build_extension(self, ext)
except (CCompilerError, DistutilsError), why:
self.announce('WARNING: building of extension "%s" failed: %s' %
(ext.name, sys.exc_info()[1]))
def get_platform (self):
# Get value of sys.platform
platform = sys.platform
if platform[:6] =='cygwin':
platform = 'cygwin'
return platform
def detect_modules(self):
# Ensure that /usr/local is always used
if '/usr/local/lib' not in self.compiler.library_dirs:
self.compiler.library_dirs.append('/usr/local/lib')
if '/usr/local/include' not in self.compiler.include_dirs:
self.compiler.include_dirs.append( '/usr/local/include' )
# lib_dirs and inc_dirs are used to search for files;
# if a file is found in one of those directories, it can
# be assumed that no additional -I,-L directives are needed.
lib_dirs = self.compiler.library_dirs + ['/lib', '/usr/lib']
inc_dirs = ['/usr/include'] + self.compiler.include_dirs
exts = []
platform = self.get_platform()
# Check for MacOS X, which doesn't need libm.a at all
math_libs = ['m']
if platform == 'Darwin1.2':
math_libs = []
# 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=math_libs) )
# math library functions, e.g. sin()
exts.append( Extension('math', ['mathmodule.c'],
libraries=math_libs) )
# fast string operations implemented in C
exts.append( Extension('strop', ['stropmodule.c']) )
# time operations and variables
exts.append( Extension('time', ['timemodule.c'],
libraries=math_libs) )
# 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']) )
# 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'):
readline_libs = ['readline']
if self.compiler.find_library_file(lib_dirs +
['/usr/lib/termcap'],
'termcap'):
readline_libs.append('termcap')
exts.append( Extension('readline', ['readline.c'],
library_dirs=['/usr/lib/termcap'],
libraries=readline_libs) )
# 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
ssl_incs = find_file('openssl/ssl.h', inc_dirs,
['/usr/local/ssl/include',
'/usr/contrib/ssl/include/'
]
)
ssl_libs = find_library_file(self.compiler, 'ssl',lib_dirs,
['/usr/local/ssl/lib',
'/usr/contrib/ssl/lib/'
] )
if (ssl_incs is not None and
ssl_libs is not None):
exts.append( Extension('_socket', ['socketmodule.c'],
include_dirs = ssl_incs,
library_dirs = ssl_libs,
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 platform not in ['cygwin']:
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.
db_incs = find_file('db_185.h', inc_dirs, [])
if (db_incs is not None and
self.compiler.find_library_file(lib_dirs, 'db') ):
exts.append( Extension('bsddb', ['bsddbmodule.c'],
include_dirs = db_incs,
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 platform not in ['mac', 'win32']:
# Steen Lumholt's termios module
exts.append( Extension('termios', ['termios.c']) )
# Jeremy Hylton's rlimit interface
if platform not in ['cygwin']:
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 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 platform == 'irix5':
# For SGI IRIX (tested on 5.3):
exts.append( Extension('fpectl', ['fpectlmodule.c'],
libraries=['fpe']) )
elif 0: # XXX how to detect SunPro?
# 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
#
expat_defs = []
expat_incs = find_file('expat.h', inc_dirs, [])
if expat_incs is not None:
# expat.h was found
expat_defs = [('HAVE_EXPAT_H', 1)]
else:
expat_incs = find_file('xmlparse.h', inc_dirs, [])
if (expat_incs is not None and
self.compiler.find_library_file(lib_dirs, 'expat')):
exts.append( Extension('pyexpat', ['pyexpat.c'],
define_macros = expat_defs,
libraries = ['expat']) )
# Platform-specific libraries
if platform == 'linux2':
# Linux-specific modules
exts.append( Extension('linuxaudiodev', ['linuxaudiodev.c']) )
if platform == 'sunos5':
# SunOS specific modules
exts.append( Extension('sunaudiodev', ['sunaudiodev.c']) )
self.extensions.extend(exts)
# Call the method for detecting whether _tkinter can be compiled
self.detect_tkinter(inc_dirs, lib_dirs)
def detect_tkinter(self, inc_dirs, lib_dirs):
# 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.
# Assume we haven't found any of the libraries or include files
tcllib = tklib = tcl_includes = tk_includes = None
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
# Now check for the header files
if tklib and tcllib:
# Check for the include files on Debian, where
# they're put in /usr/include/{tcl,tk}X.Y
debian_tcl_include = ( '/usr/include/tcl' + version )
debian_tk_include = ( '/usr/include/tk' + version )
tcl_includes = find_file('tcl.h', inc_dirs,
[debian_tcl_include]
)
tk_includes = find_file('tk.h', inc_dirs,
[debian_tk_include]
)
if (tcllib is None or tklib is None and
tcl_includes is None or tk_includes is None):
# Something's missing, so give up
return
# OK... everything seems to be present for Tcl/Tk.
include_dirs = [] ; libs = [] ; defs = [] ; added_lib_dirs = []
for dir in tcl_includes + tk_includes:
if dir not in include_dirs:
include_dirs.append(dir)
# Check for various platform-specific directories
platform = self.get_platform()
if 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 location for X11
include_dirs.append('/usr/X11/include')
added_lib_dirs.append('/usr/X11/lib')
# Check for Tix extension
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')
# Check for BLT extension
if self.compiler.find_library_file(lib_dirs + added_lib_dirs, 'BLT8.0'):
defs.append( ('WITH_BLT', 1) )
libs.append('BLT8.0')
# Add the Tcl/Tk libraries
libs.append('tk'+version)
libs.append('tcl'+version)
if platform in ['aix3', 'aix4']:
libs.append('ld')
# Finally, link with the X11 libraries
libs.append('X11')
ext = Extension('_tkinter', ['_tkinter.c', 'tkappinit.c'],
define_macros=[('WITH_APPINIT', 1)] + defs,
include_dirs = include_dirs,
libraries = libs,
library_dirs = added_lib_dirs,
)
self.extensions.append(ext)
# XXX handle these, but how to detect?
# *** 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 \
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()
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