setup.py revision 57fc21018f570b708a898f858d8fe4706d504812 
1# Autodetecting setup.py script for building the Python extensions
2#
3
4__version__ = "$Revision$"
5
6import sys, os, getopt
7from distutils import sysconfig
8from distutils import text_file
9from distutils.errors import *
10from distutils.core import Extension, setup
11from distutils.command.build_ext import build_ext
12from distutils.command.install import install
13
14# This global variable is used to hold the list of modules to be disabled.
15disabled_module_list = []
16
17def find_file(filename, std_dirs, paths):
18    """Searches for the directory where a given file is located,
19    and returns a possibly-empty list of additional directories, or None
20    if the file couldn't be found at all.
21
22    'filename' is the name of a file, such as readline.h or libcrypto.a.
23    'std_dirs' is the list of standard system directories; if the
24        file is found in one of them, no additional directives are needed.
25    'paths' is a list of additional locations to check; if the file is
26        found in one of them, the resulting list will contain the directory.
27    """
28
29    # Check the standard locations
30    for dir in std_dirs:
31        f = os.path.join(dir, filename)
32        if os.path.exists(f): return []
33
34    # Check the additional directories
35    for dir in paths:
36        f = os.path.join(dir, filename)
37        if os.path.exists(f):
38            return [dir]
39
40    # Not found anywhere
41    return None
42
43def find_library_file(compiler, libname, std_dirs, paths):
44    filename = compiler.library_filename(libname, lib_type='shared')
45    result = find_file(filename, std_dirs, paths)
46    if result is not None: return result
47
48    filename = compiler.library_filename(libname, lib_type='static')
49    result = find_file(filename, std_dirs, paths)
50    return result
51
52def module_enabled(extlist, modname):
53    """Returns whether the module 'modname' is present in the list
54    of extensions 'extlist'."""
55    extlist = [ext for ext in extlist if ext.name == modname]
56    return len(extlist)
57
58def find_module_file(module, dirlist):
59    """Find a module in a set of possible folders. If it is not found
60    return the unadorned filename"""
61    list = find_file(module, [], dirlist)
62    if not list:
63        return module
64    if len(list) > 1:
65        self.announce("WARNING: multiple copies of %s found"%module)
66    return os.path.join(list[0], module)
67
68class PyBuildExt(build_ext):
69
70    def build_extensions(self):
71
72        # Detect which modules should be compiled
73        self.detect_modules()
74
75        # Remove modules that are present on the disabled list
76        self.extensions = [ext for ext in self.extensions
77                           if ext.name not in disabled_module_list]
78
79        # Fix up the autodetected modules, prefixing all the source files
80        # with Modules/ and adding Python's include directory to the path.
81        (srcdir,) = sysconfig.get_config_vars('srcdir')
82
83        # Figure out the location of the source code for extension modules
84        moddir = os.path.join(os.getcwd(), srcdir, 'Modules')
85        moddir = os.path.normpath(moddir)
86        srcdir, tail = os.path.split(moddir)
87        srcdir = os.path.normpath(srcdir)
88        moddir = os.path.normpath(moddir)
89
90        moddirlist = [moddir]
91        incdirlist = ['./Include']
92
93        # Platform-dependent module source and include directories
94        platform = self.get_platform()
95        if platform == 'darwin1':
96            # Mac OS X also includes some mac-specific modules
97            macmoddir = os.path.join(os.getcwd(), srcdir, 'Mac/Modules')
98            moddirlist.append(macmoddir)
99            incdirlist.append('./Mac/Include')
100
101        # Fix up the paths for scripts, too
102        self.distribution.scripts = [os.path.join(srcdir, filename)
103                                     for filename in self.distribution.scripts]
104
105        for ext in self.extensions[:]:
106            ext.sources = [ find_module_file(filename, moddirlist)
107                            for filename in ext.sources ]
108            ext.include_dirs.append( '.' ) # to get config.h
109            for incdir in incdirlist:
110                ext.include_dirs.append( os.path.join(srcdir, incdir) )
111
112            # If a module has already been built statically,
113            # don't build it here
114            if ext.name in sys.builtin_module_names:
115                self.extensions.remove(ext)
116
117        # Parse Modules/Setup to figure out which modules are turned
118        # on in the file.
119        input = text_file.TextFile('Modules/Setup', join_lines=1)
120        remove_modules = []
121        while 1:
122            line = input.readline()
123            if not line: break
124            line = line.split()
125            remove_modules.append( line[0] )
126        input.close()
127
128        for ext in self.extensions[:]:
129            if ext.name in remove_modules:
130                self.extensions.remove(ext)
131
132        # When you run "make CC=altcc" or something similar, you really want
133        # those environment variables passed into the setup.py phase.  Here's
134        # a small set of useful ones.
135        compiler = os.environ.get('CC')
136        linker_so = os.environ.get('LDSHARED')
137        args = {}
138        # unfortunately, distutils doesn't let us provide separate C and C++
139        # compilers
140        if compiler is not None:
141            (ccshared,opt) = sysconfig.get_config_vars('CCSHARED','OPT')
142            args['compiler_so'] = compiler + ' ' + opt + ' ' + ccshared
143        if linker_so is not None:
144            if platform == 'darwin1':
145                args['linker_so'] = linker_so
146            else:
147                args['linker_so'] = linker_so + ' -shared'
148        self.compiler.set_executables(**args)
149
150        build_ext.build_extensions(self)
151
152    def build_extension(self, ext):
153
154        try:
155            build_ext.build_extension(self, ext)
156        except (CCompilerError, DistutilsError), why:
157            self.announce('WARNING: building of extension "%s" failed: %s' %
158                          (ext.name, sys.exc_info()[1]))
159            return
160        try:
161            __import__(ext.name)
162        except ImportError:
163            self.announce('WARNING: removing "%s" since importing it failed' %
164                          ext.name)
165            assert not self.inplace
166            fullname = self.get_ext_fullname(ext.name)
167            ext_filename = os.path.join(self.build_lib,
168                                        self.get_ext_filename(fullname))
169            os.remove(ext_filename)
170
171    def get_platform (self):
172        # Get value of sys.platform
173        platform = sys.platform
174        if platform[:6] =='cygwin':
175            platform = 'cygwin'
176        elif platform[:4] =='beos':
177            platform = 'beos'
178
179        return platform
180
181    def detect_modules(self):
182        # Ensure that /usr/local is always used
183        if '/usr/local/lib' not in self.compiler.library_dirs:
184            self.compiler.library_dirs.insert(0, '/usr/local/lib')
185        if '/usr/local/include' not in self.compiler.include_dirs:
186            self.compiler.include_dirs.insert(0, '/usr/local/include' )
187
188        try:
189            have_unicode = unicode
190        except NameError:
191            have_unicode = 0
192
193        # lib_dirs and inc_dirs are used to search for files;
194        # if a file is found in one of those directories, it can
195        # be assumed that no additional -I,-L directives are needed.
196        lib_dirs = self.compiler.library_dirs + ['/lib', '/usr/lib']
197        inc_dirs = self.compiler.include_dirs + ['/usr/include']
198        exts = []
199
200        platform = self.get_platform()
201
202        # Check for MacOS X, which doesn't need libm.a at all
203        math_libs = ['m']
204        if platform in ['Darwin1.2', 'beos']:
205            math_libs = []
206
207        # XXX Omitted modules: gl, pure, dl, SGI-specific modules
208
209        #
210        # The following modules are all pretty straightforward, and compile
211        # on pretty much any POSIXish platform.
212        #
213
214        # Some modules that are normally always on:
215        exts.append( Extension('regex', ['regexmodule.c', 'regexpr.c']) )
216        exts.append( Extension('pcre', ['pcremodule.c', 'pypcre.c']) )
217
218        exts.append( Extension('_weakref', ['_weakref.c']) )
219        exts.append( Extension('_symtable', ['symtablemodule.c']) )
220        exts.append( Extension('xreadlines', ['xreadlinesmodule.c']) )
221
222        # array objects
223        exts.append( Extension('array', ['arraymodule.c']) )
224        # complex math library functions
225        exts.append( Extension('cmath', ['cmathmodule.c'],
226                               libraries=math_libs) )
227
228        # math library functions, e.g. sin()
229        exts.append( Extension('math',  ['mathmodule.c'],
230                               libraries=math_libs) )
231        # fast string operations implemented in C
232        exts.append( Extension('strop', ['stropmodule.c']) )
233        # time operations and variables
234        exts.append( Extension('time', ['timemodule.c'],
235                               libraries=math_libs) )
236        # operator.add() and similar goodies
237        exts.append( Extension('operator', ['operator.c']) )
238        # access to the builtin codecs and codec registry
239        exts.append( Extension('_codecs', ['_codecsmodule.c']) )
240        # Python C API test module
241        exts.append( Extension('_testcapi', ['_testcapimodule.c']) )
242        # static Unicode character database
243        if have_unicode:
244            exts.append( Extension('unicodedata', ['unicodedata.c']) )
245        # access to ISO C locale support
246        exts.append( Extension('_locale', ['_localemodule.c']) )
247
248        # Modules with some UNIX dependencies -- on by default:
249        # (If you have a really backward UNIX, select and socket may not be
250        # supported...)
251
252        # fcntl(2) and ioctl(2)
253        exts.append( Extension('fcntl', ['fcntlmodule.c']) )
254        # pwd(3)
255        exts.append( Extension('pwd', ['pwdmodule.c']) )
256        # grp(3)
257        exts.append( Extension('grp', ['grpmodule.c']) )
258        # posix (UNIX) errno values
259        exts.append( Extension('errno', ['errnomodule.c']) )
260        # select(2); not on ancient System V
261        exts.append( Extension('select', ['selectmodule.c']) )
262
263        # The md5 module implements the RSA Data Security, Inc. MD5
264        # Message-Digest Algorithm, described in RFC 1321.  The necessary files
265        # md5c.c and md5.h are included here.
266        exts.append( Extension('md5', ['md5module.c', 'md5c.c']) )
267
268        # The sha module implements the SHA checksum algorithm.
269        # (NIST's Secure Hash Algorithm.)
270        exts.append( Extension('sha', ['shamodule.c']) )
271
272        # Helper module for various ascii-encoders
273        exts.append( Extension('binascii', ['binascii.c']) )
274
275        # Fred Drake's interface to the Python parser
276        exts.append( Extension('parser', ['parsermodule.c']) )
277
278        # Digital Creations' cStringIO and cPickle
279        exts.append( Extension('cStringIO', ['cStringIO.c']) )
280        exts.append( Extension('cPickle', ['cPickle.c']) )
281
282        # Memory-mapped files (also works on Win32).
283        exts.append( Extension('mmap', ['mmapmodule.c']) )
284
285        # Lance Ellinghaus's modules:
286        # enigma-inspired encryption
287        exts.append( Extension('rotor', ['rotormodule.c']) )
288        # syslog daemon interface
289        exts.append( Extension('syslog', ['syslogmodule.c']) )
290
291        # George Neville-Neil's timing module:
292        exts.append( Extension('timing', ['timingmodule.c']) )
293
294        #
295        # Here ends the simple stuff.  From here on, modules need certain
296        # libraries, are platform-specific, or present other surprises.
297        #
298
299        # Multimedia modules
300        # These don't work for 64-bit platforms!!!
301        # These represent audio samples or images as strings:
302
303        # Disabled on 64-bit platforms
304        if sys.maxint != 9223372036854775807L:
305            # Operations on audio samples
306            exts.append( Extension('audioop', ['audioop.c']) )
307            # Operations on images
308            exts.append( Extension('imageop', ['imageop.c']) )
309            # Read SGI RGB image files (but coded portably)
310            exts.append( Extension('rgbimg', ['rgbimgmodule.c']) )
311
312        # readline
313        if self.compiler.find_library_file(lib_dirs, 'readline'):
314            readline_libs = ['readline']
315            if self.compiler.find_library_file(lib_dirs,
316                                                 'ncurses'):
317                readline_libs.append('ncurses')
318            elif self.compiler.find_library_file(lib_dirs +
319                                               ['/usr/lib/termcap'],
320                                               'termcap'):
321                readline_libs.append('termcap')
322            exts.append( Extension('readline', ['readline.c'],
323                                   library_dirs=['/usr/lib/termcap'],
324                                   libraries=readline_libs) )
325
326        # crypt module.
327
328        if self.compiler.find_library_file(lib_dirs, 'crypt'):
329            libs = ['crypt']
330        else:
331            libs = []
332        exts.append( Extension('crypt', ['cryptmodule.c'], libraries=libs) )
333
334        # socket(2)
335        # Detect SSL support for the socket module
336        ssl_incs = find_file('openssl/ssl.h', inc_dirs,
337                             ['/usr/local/ssl/include',
338                              '/usr/contrib/ssl/include/'
339                             ]
340                             )
341        ssl_libs = find_library_file(self.compiler, 'ssl',lib_dirs,
342                                     ['/usr/local/ssl/lib',
343                                      '/usr/contrib/ssl/lib/'
344                                     ] )
345
346        if (ssl_incs is not None and
347            ssl_libs is not None):
348            exts.append( Extension('_socket', ['socketmodule.c'],
349                                   include_dirs = ssl_incs,
350                                   library_dirs = ssl_libs,
351                                   libraries = ['ssl', 'crypto'],
352                                   define_macros = [('USE_SSL',1)] ) )
353        else:
354            exts.append( Extension('_socket', ['socketmodule.c']) )
355
356        # Modules that provide persistent dictionary-like semantics.  You will
357        # probably want to arrange for at least one of them to be available on
358        # your machine, though none are defined by default because of library
359        # dependencies.  The Python module anydbm.py provides an
360        # implementation independent wrapper for these; dumbdbm.py provides
361        # similar functionality (but slower of course) implemented in Python.
362
363        # The standard Unix dbm module:
364        if platform not in ['cygwin']:
365            if (self.compiler.find_library_file(lib_dirs, 'ndbm')):
366                exts.append( Extension('dbm', ['dbmmodule.c'],
367                                       libraries = ['ndbm'] ) )
368            else:
369                exts.append( Extension('dbm', ['dbmmodule.c']) )
370
371        # Anthony Baxter's gdbm module.  GNU dbm(3) will require -lgdbm:
372        if (self.compiler.find_library_file(lib_dirs, 'gdbm')):
373            exts.append( Extension('gdbm', ['gdbmmodule.c'],
374                                   libraries = ['gdbm'] ) )
375
376        # Berkeley DB interface.
377        #
378        # This requires the Berkeley DB code, see
379        # ftp://ftp.cs.berkeley.edu/pub/4bsd/db.1.85.tar.gz
380        #
381        # Edit the variables DB and DBPORT to point to the db top directory
382        # and the subdirectory of PORT where you built it.
383        #
384        # (See http://pybsddb.sourceforge.net/ for an interface to
385        # Berkeley DB 3.x.)
386
387        dblib = []
388        if self.compiler.find_library_file(lib_dirs, 'db-3.1'):
389            dblib = ['db-3.1']
390        elif self.compiler.find_library_file(lib_dirs, 'db2'):
391            dblib = ['db2']
392        elif self.compiler.find_library_file(lib_dirs, 'db1'):
393            dblib = ['db1']
394        elif self.compiler.find_library_file(lib_dirs, 'db'):
395            dblib = ['db']
396
397        db185_incs = find_file('db_185.h', inc_dirs,
398                               ['/usr/include/db3', '/usr/include/db2'])
399        db_inc = find_file('db.h', inc_dirs, ['/usr/include/db1'])
400        if db185_incs is not None:
401            exts.append( Extension('bsddb', ['bsddbmodule.c'],
402                                   include_dirs = db185_incs,
403                                   define_macros=[('HAVE_DB_185_H',1)],
404                                   libraries = dblib ) )
405        elif db_inc is not None:
406            exts.append( Extension('bsddb', ['bsddbmodule.c'],
407                                   include_dirs = db_inc,
408                                   libraries = dblib) )
409
410        # The mpz module interfaces to the GNU Multiple Precision library.
411        # You need to ftp the GNU MP library.
412        # This was originally written and tested against GMP 1.2 and 1.3.2.
413        # It has been modified by Rob Hooft to work with 2.0.2 as well, but I
414        # haven't tested it recently.   For a more complete module,
415        # refer to pympz.sourceforge.net.
416
417        # A compatible MP library unencumbered by the GPL also exists.  It was
418        # posted to comp.sources.misc in volume 40 and is widely available from
419        # FTP archive sites. One URL for it is:
420        # ftp://gatekeeper.dec.com/.b/usenet/comp.sources.misc/volume40/fgmp/part01.Z
421
422        if (self.compiler.find_library_file(lib_dirs, 'gmp')):
423            exts.append( Extension('mpz', ['mpzmodule.c'],
424                                   libraries = ['gmp'] ) )
425
426
427        # Unix-only modules
428        if platform not in ['mac', 'win32']:
429            # Steen Lumholt's termios module
430            exts.append( Extension('termios', ['termios.c']) )
431            # Jeremy Hylton's rlimit interface
432            exts.append( Extension('resource', ['resource.c']) )
433
434            # Sun yellow pages. Some systems have the functions in libc.
435            if platform not in ['cygwin']:
436                if (self.compiler.find_library_file(lib_dirs, 'nsl')):
437                    libs = ['nsl']
438                else:
439                    libs = []
440                exts.append( Extension('nis', ['nismodule.c'],
441                                       libraries = libs) )
442
443        # Curses support, requring the System V version of curses, often
444        # provided by the ncurses library.
445        if platform == 'sunos4':
446            inc_dirs += ['/usr/5include']
447            lib_dirs += ['/usr/5lib']
448
449        if (self.compiler.find_library_file(lib_dirs, 'ncurses')):
450            curses_libs = ['ncurses']
451            exts.append( Extension('_curses', ['_cursesmodule.c'],
452                                   libraries = curses_libs) )
453        elif (self.compiler.find_library_file(lib_dirs, 'curses')) and platform != 'darwin1':
454        	# OSX has an old Berkeley curses, not good enough for the _curses module.
455            if (self.compiler.find_library_file(lib_dirs, 'terminfo')):
456                curses_libs = ['curses', 'terminfo']
457            else:
458                curses_libs = ['curses', 'termcap']
459
460            exts.append( Extension('_curses', ['_cursesmodule.c'],
461                                   libraries = curses_libs) )
462
463        # If the curses module is enabled, check for the panel module
464        if (os.path.exists('Modules/_curses_panel.c') and
465            module_enabled(exts, '_curses') and
466            self.compiler.find_library_file(lib_dirs, 'panel')):
467            exts.append( Extension('_curses_panel', ['_curses_panel.c'],
468                                   libraries = ['panel'] + curses_libs) )
469
470
471
472        # Lee Busby's SIGFPE modules.
473        # The library to link fpectl with is platform specific.
474        # Choose *one* of the options below for fpectl:
475
476        if platform == 'irix5':
477            # For SGI IRIX (tested on 5.3):
478            exts.append( Extension('fpectl', ['fpectlmodule.c'],
479                                   libraries=['fpe']) )
480        elif 0: # XXX how to detect SunPro?
481            # For Solaris with SunPro compiler (tested on Solaris 2.5 with SunPro C 4.2):
482            # (Without the compiler you don't have -lsunmath.)
483            #fpectl fpectlmodule.c -R/opt/SUNWspro/lib -lsunmath -lm
484            pass
485        else:
486            # For other systems: see instructions in fpectlmodule.c.
487            #fpectl fpectlmodule.c ...
488            exts.append( Extension('fpectl', ['fpectlmodule.c']) )
489
490
491        # Andrew Kuchling's zlib module.
492        # This require zlib 1.1.3 (or later).
493        # See http://www.cdrom.com/pub/infozip/zlib/
494        zlib_inc = find_file('zlib.h', [], inc_dirs)
495        if zlib_inc is not None:
496            zlib_h = zlib_inc[0] + '/zlib.h'
497            version = '"0.0.0"'
498            version_req = '"1.1.3"'
499            fp = open(zlib_h)
500            while 1:
501                line = fp.readline()
502                if not line:
503                    break
504                if line.find('#define ZLIB_VERSION', 0) == 0:
505                    version = line.split()[2]
506                    break
507            if version >= version_req:
508                if (self.compiler.find_library_file(lib_dirs, 'z')):
509                    exts.append( Extension('zlib', ['zlibmodule.c'],
510                                           libraries = ['z']) )
511
512        # Interface to the Expat XML parser
513        #
514        # Expat is written by James Clark and must be downloaded separately
515        # (see below).  The pyexpat module was written by Paul Prescod after a
516        # prototype by Jack Jansen.
517        #
518        # The Expat dist includes Windows .lib and .dll files.  Home page is
519        # at http://www.jclark.com/xml/expat.html, the current production
520        # release is always ftp://ftp.jclark.com/pub/xml/expat.zip.
521        #
522        # EXPAT_DIR, below, should point to the expat/ directory created by
523        # unpacking the Expat source distribution.
524        #
525        # Note: the expat build process doesn't yet build a libexpat.a; you
526        # can do this manually while we try convince the author to add it.  To
527        # do so, cd to EXPAT_DIR, run "make" if you have not done so, then
528        # run:
529        #
530        #    ar cr libexpat.a xmltok/*.o xmlparse/*.o
531        #
532        expat_defs = []
533        expat_incs = find_file('expat.h', inc_dirs, [])
534        if expat_incs is not None:
535            # expat.h was found
536            expat_defs = [('HAVE_EXPAT_H', 1)]
537        else:
538            expat_incs = find_file('xmlparse.h', inc_dirs, [])
539
540        if (expat_incs is not None and
541            self.compiler.find_library_file(lib_dirs, 'expat')):
542            exts.append( Extension('pyexpat', ['pyexpat.c'],
543                                   define_macros = expat_defs,
544                                   libraries = ['expat']) )
545
546        # Platform-specific libraries
547        if platform == 'linux2':
548            # Linux-specific modules
549            exts.append( Extension('linuxaudiodev', ['linuxaudiodev.c']) )
550
551        if platform == 'sunos5':
552            # SunOS specific modules
553            exts.append( Extension('sunaudiodev', ['sunaudiodev.c']) )
554
555        if platform == 'darwin1':
556            # Mac OS X specific modules. These are ported over from MacPython
557            # and still experimental. Some (such as gestalt or icglue) are
558            # already generally useful, some (the GUI ones) really need to
559            # be used from a framework.
560            #
561            # I would like to trigger on WITH_NEXT_FRAMEWORK but that isn't
562            # available here. This Makefile variable is also what the install
563            # procedure triggers on.
564            frameworkdir = sysconfig.get_config_var('PYTHONFRAMEWORKDIR')
565            exts.append( Extension('gestalt', ['gestaltmodule.c']) )
566            exts.append( Extension('MacOS', ['macosmodule.c']) )
567            exts.append( Extension('icglue', ['icgluemodule.c']) )
568            exts.append( Extension('macfs', ['macfsmodule.c', '../Python/getapplbycreator.c']) )
569            exts.append( Extension('_CF', ['cf/_CFmodule.c'],
570                    extra_link_args=['-framework', 'CoreFoundation']) )
571            exts.append( Extension('_Res', ['res/_Resmodule.c'] ) )
572            exts.append( Extension('_Snd', ['snd/_Sndmodule.c']) )
573            if frameworkdir:
574                exts.append( Extension('Nav', ['Nav.c']) )
575                exts.append( Extension('_AE', ['ae/_AEmodule.c']) )
576                exts.append( Extension('_App', ['app/_Appmodule.c']) )
577                exts.append( Extension('_Cm', ['cm/_Cmmodule.c']) )
578                exts.append( Extension('_Ctl', ['ctl/_Ctlmodule.c']) )
579                exts.append( Extension('_Dlg', ['dlg/_Dlgmodule.c']) )
580                exts.append( Extension('_Drag', ['drag/_Dragmodule.c']) )
581                exts.append( Extension('_Evt', ['evt/_Evtmodule.c']) )
582                exts.append( Extension('_Fm', ['fm/_Fmmodule.c']) )
583                exts.append( Extension('_Icn', ['icn/_Icnmodule.c']) )
584                exts.append( Extension('_List', ['list/_Listmodule.c']) )
585                exts.append( Extension('_Menu', ['menu/_Menumodule.c']) )
586                exts.append( Extension('_Mlte', ['mlte/_Mltemodule.c']) )
587                exts.append( Extension('_Qd', ['qd/_Qdmodule.c']) )
588                exts.append( Extension('_Qdoffs', ['qdoffs/_Qdoffsmodule.c']) )
589                exts.append( Extension('_Qt', ['qt/_Qtmodule.c'],
590                        extra_link_args=['-framework', 'QuickTime']) )
591##              exts.append( Extension('_Scrap', ['scrap/_Scrapmodule.c']) )
592                exts.append( Extension('_TE', ['te/_TEmodule.c']) )
593##              exts.append( Extension('waste', ['waste/wastemodule.c']) )
594                exts.append( Extension('_Win', ['win/_Winmodule.c']) )
595
596        self.extensions.extend(exts)
597
598        # Call the method for detecting whether _tkinter can be compiled
599        self.detect_tkinter(inc_dirs, lib_dirs)
600
601
602    def detect_tkinter(self, inc_dirs, lib_dirs):
603        # The _tkinter module.
604
605        # Assume we haven't found any of the libraries or include files
606        # The versions with dots are used on Unix, and the versions without
607        # dots on Windows, for detection by cygwin.
608        tcllib = tklib = tcl_includes = tk_includes = None
609        for version in ['8.4', '84', '8.3', '83', '8.2',
610                        '82', '8.1', '81', '8.0', '80']:
611             tklib = self.compiler.find_library_file(lib_dirs,
612                                                     'tk' + version )
613             tcllib = self.compiler.find_library_file(lib_dirs,
614                                                      'tcl' + version )
615             if tklib and tcllib:
616                # Exit the loop when we've found the Tcl/Tk libraries
617                break
618
619        # Now check for the header files
620        if tklib and tcllib:
621            # Check for the include files on Debian, where
622            # they're put in /usr/include/{tcl,tk}X.Y
623            debian_tcl_include = [ '/usr/include/tcl' + version ]
624            debian_tk_include =  [ '/usr/include/tk'  + version ] + debian_tcl_include
625            tcl_includes = find_file('tcl.h', inc_dirs, debian_tcl_include)
626            tk_includes = find_file('tk.h', inc_dirs, debian_tk_include)
627
628        if (tcllib is None or tklib is None and
629            tcl_includes is None or tk_includes is None):
630            # Something's missing, so give up
631            return
632
633        # OK... everything seems to be present for Tcl/Tk.
634
635        include_dirs = [] ; libs = [] ; defs = [] ; added_lib_dirs = []
636        for dir in tcl_includes + tk_includes:
637            if dir not in include_dirs:
638                include_dirs.append(dir)
639
640        # Check for various platform-specific directories
641        platform = self.get_platform()
642        if platform == 'sunos5':
643            include_dirs.append('/usr/openwin/include')
644            added_lib_dirs.append('/usr/openwin/lib')
645        elif os.path.exists('/usr/X11R6/include'):
646            include_dirs.append('/usr/X11R6/include')
647            added_lib_dirs.append('/usr/X11R6/lib')
648        elif os.path.exists('/usr/X11R5/include'):
649            include_dirs.append('/usr/X11R5/include')
650            added_lib_dirs.append('/usr/X11R5/lib')
651        else:
652            # Assume default location for X11
653            include_dirs.append('/usr/X11/include')
654            added_lib_dirs.append('/usr/X11/lib')
655
656        # If Cygwin, then verify that X is installed before proceeding
657        if platform == 'cygwin':
658            x11_inc = find_file('X11/Xlib.h', [], inc_dirs)
659            if x11_inc is None:
660                # X header files missing, so give up
661                return
662
663        # Check for BLT extension
664        if self.compiler.find_library_file(lib_dirs + added_lib_dirs, 'BLT8.0'):
665            defs.append( ('WITH_BLT', 1) )
666            libs.append('BLT8.0')
667
668        # Add the Tcl/Tk libraries
669        libs.append('tk'+version)
670        libs.append('tcl'+version)
671
672        if platform in ['aix3', 'aix4']:
673            libs.append('ld')
674
675        # Finally, link with the X11 libraries (not appropriate on cygwin)
676        if platform != "cygwin":
677            libs.append('X11')
678
679        ext = Extension('_tkinter', ['_tkinter.c', 'tkappinit.c'],
680                        define_macros=[('WITH_APPINIT', 1)] + defs,
681                        include_dirs = include_dirs,
682                        libraries = libs,
683                        library_dirs = added_lib_dirs,
684                        )
685        self.extensions.append(ext)
686
687        # XXX handle these, but how to detect?
688        # *** Uncomment and edit for PIL (TkImaging) extension only:
689        #       -DWITH_PIL -I../Extensions/Imaging/libImaging  tkImaging.c \
690        # *** Uncomment and edit for TOGL extension only:
691        #       -DWITH_TOGL togl.c \
692        # *** Uncomment these for TOGL extension only:
693        #       -lGL -lGLU -lXext -lXmu \
694
695class PyBuildInstall(install):
696    # Suppress the warning about installation into the lib_dynload
697    # directory, which is not in sys.path when running Python during
698    # installation:
699    def initialize_options (self):
700        install.initialize_options(self)
701        self.warn_dir=0
702
703def main():
704    # turn off warnings when deprecated modules are imported
705    import warnings
706    warnings.filterwarnings("ignore",category=DeprecationWarning)
707    setup(name = 'Python standard library',
708          version = '%d.%d' % sys.version_info[:2],
709          cmdclass = {'build_ext':PyBuildExt, 'install':PyBuildInstall},
710          # The struct module is defined here, because build_ext won't be
711          # called unless there's at least one extension module defined.
712          ext_modules=[Extension('struct', ['structmodule.c'])],
713
714          # Scripts to install
715          scripts = ['Tools/scripts/pydoc']
716        )
717
718# --install-platlib
719if __name__ == '__main__':
720    sysconfig.set_python_build()
721    main()
722