https://github.com/python/cpython
Revision ded18d634f2e1615b746dca2698d6a98ff63045d authored by Guido van Rossum on 28 March 2002, 20:21:21 UTC, committed by Guido van Rossum on 28 March 2002, 20:21:21 UTC
this is what Zope 2 will be using in the foreseeable future). Fix an issue that was reported in but unrelated to the main problem of SF bug 535905 (Evil Trashcan and GC interaction). The SETLOCAL() macro should not DECREF the local variable in-place and then store the new value; it should copy the old value to a temporary value, then store the new value, and then DECREF the temporary value. This is because it is possible that during the DECREF the frame is accessed by other code (e.g. a __del__ method or gc.collect()) and the variable would be pointing to already-freed memory. BUGFIX CANDIDATE!
1 parent 00be96e
Tip revision: ded18d634f2e1615b746dca2698d6a98ff63045d authored by Guido van Rossum on 28 March 2002, 20:21:21 UTC
Backport for 2.1.3 (if we ever release it; we may have to because
Backport for 2.1.3 (if we ever release it; we may have to because
Tip revision: ded18d6
setup.py
# 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 import text_file
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)
# Fix up the paths for scripts, too
self.distribution.scripts = [os.path.join(srcdir, filename)
for filename in self.distribution.scripts]
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)
# Parse Modules/Setup to figure out which modules are turned
# on in the file.
input = text_file.TextFile('Modules/Setup', join_lines=1)
remove_modules = []
while 1:
line = input.readline()
if not line: break
line = line.split()
remove_modules.append( line[0] )
input.close()
for ext in self.extensions[:]:
if ext.name in remove_modules:
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:
(ccshared,) = sysconfig.get_config_vars('CCSHARED')
args['compiler_so'] = compiler + ' ' + ccshared
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'
elif platform[:4] =='beos':
platform = 'beos'
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.insert(0, '/usr/local/lib')
if '/usr/local/include' not in self.compiler.include_dirs:
self.compiler.include_dirs.insert(0, '/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 = self.compiler.include_dirs + ['/usr/include']
exts = []
platform = self.get_platform()
# Check for MacOS X, which doesn't need libm.a at all
math_libs = ['m']
if platform in ['Darwin1.2', 'beos']:
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('_weakref', ['_weakref.c']) )
exts.append( Extension('_symtable', ['symtablemodule.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']) )
# Python C API test module
exts.append( Extension('_testcapi', ['_testcapimodule.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.)
dblib = []
if self.compiler.find_library_file(lib_dirs, 'db'):
dblib = ['db']
db185_incs = find_file('db_185.h', inc_dirs,
['/usr/include/db3', '/usr/include/db2'])
db_inc = find_file('db.h', inc_dirs, ['/usr/include/db1'])
if db185_incs is not None:
exts.append( Extension('bsddb', ['bsddbmodule.c'],
include_dirs = db185_incs,
define_macros=[('HAVE_DB_185_H',1)],
libraries = dblib ) )
elif db_inc is not None:
exts.append( Extension('bsddb', ['bsddbmodule.c'],
include_dirs = db_inc,
libraries = dblib) )
# 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
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']) )
# Generic dynamic loading module
#exts.append( Extension('dl', ['dlmodule.c']) )
# Sun yellow pages. Some systems have the functions in libc.
if platform not in ['cygwin']:
if (self.compiler.find_library_file(lib_dirs, 'nsl')):
libs = ['nsl']
else:
libs = []
exts.append( Extension('nis', ['nismodule.c'],
libraries = libs) )
# Curses support, requring the System V version of curses, often
# provided by the ncurses library.
if platform == 'sunos4':
inc_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')) and platform[:6] != 'darwin':
# OSX has an old Berkeley curses, not good enough for the _curses module.
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/
zlib_inc = find_file('zlib.h', [], inc_dirs)
if zlib_inc is not None:
zlib_h = zlib_inc[0] + '/zlib.h'
version = '"0.0.0"'
version_req = '"1.1.3"'
fp = open(zlib_h)
while 1:
line = fp.readline()
if not line:
break
if line.find('#define ZLIB_VERSION', 0) == 0:
version = line.split()[2]
break
if version >= version_req:
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.
# 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 ] + debian_tcl_include
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 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'])],
# Scripts to install
scripts = ['Tools/scripts/pydoc']
)
# --install-platlib
if __name__ == '__main__':
sysconfig.set_python_build()
main()
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