124 lines
4.5 KiB
Plaintext
124 lines
4.5 KiB
Plaintext
Python for BeOS R5
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This directory contains several useful things to help you build your own
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version of Python for BeOS.
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What's Here?
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ar-fake - A shell script used by the build process to emulate a "real"
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POSIX ar command; helps to build the Python shared library.
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dl_export.h - A header defining the evil magic declaration decorations
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required for dynamic loading.
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linkcc - A shell script used by the build process to build the Python
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shared library.
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linkmodule - A shell script used by the build process to build the
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shared library versions of the standard modules; you'll
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probably need this if you want to build dynamically loaded
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modules from the Python archives.
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README - This file (obviously!).
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README.readline-2.2 - Instructions for compiling/installing GNU readline 2.2.
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You'll have to grab the GNU readline source code from
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prep.ai.mit.edu:/pub/GNU or any other GNU mirror.
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The Python interpreter is much nicer to work with
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interactively if you've got readline installed. Highly
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recommended.
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Compiling Your Own Version
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To compile your own version of Python 1.5.x for BeOS (with any luck,
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Python 1.5.2 and later will compile "out of the box" on BeOS), try this:
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1) Get the latest Python source code from ftp.python.org.
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2) Configure with:
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./configure --verbose --prefix=/boot/home/config --with-thread
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3) Copy Modules/Setup.in to Modules/Setup.
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4) Edit Modules/Setup to turn on all the modules you want built.
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Make sure you use _socket instead of socket for the name of the
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socketmodule on BeOS (at least, until we get the new BONE networking).
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If you want the modules to be built as shared libraries, instead of as
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part of the Python shared library, be sure to uncomment the #*shared*
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line. I haven't done much testing with static linking, it's not as
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interesting.
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I've tried the following modules:
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array audioop binascii cmath _codecs cPickle crypt cStringIO _curses
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errno fcntl gdbm grp imageop _locale math md5 new operator parser
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pcre posix pwd pyexpat readline regex rgbimg rotor select sha signal
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_socket soundex _sre strop struct syslog termios time timing ucnhash
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unicodedata zlib
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Note that some of these require extra libraries that aren't supplied
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with Python. If you don't have the extra libs (you can probably get
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them from GeekGadgets), don't try to use these modules; they won't
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compile.
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5) Make:
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make
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6) Test:
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make test
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test_popen2 will probably hang; it's deadlocked on a semaphore. I should
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probably disable popen2 support... it uses fork(), and fork() doesn't mix
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with threads on BeOS. In *THEORY* you could use it in a single-threaded
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program, but I haven't tried.
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If test_popen2 does hang, you can find the semaphore it's hung on via the
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"ps" command. Look for python and you'll find something like this:
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./python -tt ../src/Lib/test/regrtest.py (team 26922) (uid 0) (gid 0)
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39472 python sem 10 3785 1500 piperd(360526)
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./python -tt ../src/Lib/test/regrtest.py (team 26923) (uid 0) (gid 0)
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39477 python sem 10 25 4 python lock (1)(360022)
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^^^^^^
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That last number is the semaphore the fork()'d python is stuck on
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(see how it's helpfully called "python lock (1)"? :-). You can unblock
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that semaphore to let the tests continue using the "release" command
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with that semaphore number. Be _very_ careful with "release" though,
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releasing the wrong semaphore can be hazardous.
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Expect the following errors:
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test * skipped -- an optional feature could not be imported (you'll see
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quite a few of these, based on what optional modules
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you've included)
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test test_fork1 skipped -- can't mix os.fork with threads on BeOS
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test test_re failed -- Writing: '=== Failed incorrectly', expected:
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"('abc', 'abc', 0, 'fou"
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test test_select crashed -- select.error : (-2147459072, 'Bad file
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descriptor')
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test test_socket crashed -- exceptions.AttributeError : SOCK_RAW
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These are all due to either partial support for certain things (like
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sockets), or valid differences between systems.
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That test_re failure is a little worrysome though.
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7) Install:
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make install
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8) Enjoy!
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- Chris Herborth (chrish@pobox.com)
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July 21, 2000
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