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authorNeil Schemenauer <nascheme@enme.ucalgary.ca>2001-02-16 03:23:11 (GMT)
committerNeil Schemenauer <nascheme@enme.ucalgary.ca>2001-02-16 03:23:11 (GMT)
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-Python for BeOS R5
-
-This directory contains several useful things to help you build your own
-version of Python for BeOS.
-
-What's Here?
-
-ar-fake - A shell script that copies around .o files, for the as much
- of the general effect of ar as we need but more fool-proof.
- It also has an "so" command to build the shared library
- that we actually install and use.
-
-linkmodule - A shell script used by the build process to build the
- shared library versions of the standard modules; you'll
- probably need this if you want to build dynamically loaded
- modules from the Python archives.
-
-README - This file (obviously!).
-
-README.readline-2.2 - Instructions for compiling/installing GNU readline 2.2.
- You'll have to grab the GNU readline source code from
- prep.ai.mit.edu:/pub/GNU or any other GNU mirror.
-
- The Python interpreter is much nicer to work with
- interactively if you've got readline installed. Highly
- recommended.
-
-To build,
-
- 1) ./configure --prefix=/boot/home/config
-
- 2) edit Modules/Setup
- comment out grp and mmap, and pwd on 4.5 or earlier
- uncomment any modules you want to include in python
- (you can also add them later as shared libraries.)
- 3) make
-
-Test:
-
- make test
-
- [Chris Herborth writes:]
- test_popen2 will probably hang; it's deadlocked on a semaphore. I should
- probably disable popen2 support... it uses fork(), and fork() doesn't mix
- with threads on BeOS. In *THEORY* you could use it in a single-threaded
- program, but I haven't tried.
-
- If test_popen2 does hang, you can find the semaphore it's hung on via the
- "ps" command. Look for python and you'll find something like this:
-
-./python -tt ../src/Lib/test/regrtest.py (team 26922) (uid 0) (gid 0)
- 39472 python sem 10 3785 1500 piperd(360526)
-./python -tt ../src/Lib/test/regrtest.py (team 26923) (uid 0) (gid 0)
- 39477 python sem 10 25 4 python lock (1)(360022)
- ^^^^^^
- That last number is the semaphore the fork()'d python is stuck on
- (see how it's helpfully called "python lock (1)"? :-). You can unblock
- that semaphore to let the tests continue using the "release" command
- with that semaphore number. Be _very_ careful with "release" though,
- releasing the wrong semaphore can be hazardous.
-
- Expect the following errors:
-
- test * skipped -- an optional feature could not be imported (you'll see
- quite a few of these, based on what optional modules
- you've included)
-
- test test_fork1 skipped -- can't mix os.fork with threads on BeOS
-
- test test_select crashed -- select.error : (-2147459072, 'Bad file
- descriptor')
-
- test test_socket crashed -- exceptions.AttributeError : SOCK_RAW
-
- These are all due to either partial support for certain things (like
- sockets), or valid differences between systems.
-
- test test_pickle crashed. This is apparently a serious problem,
- "complex" number objects reconstructed from a
- pickle don't compare equal to their ancestors.
- But it happens on BeOS PPC only, not Intel.
-
-Install:
-
- make install
-
-Enjoy!
-
-- Chris Herborth (chrish@pobox.com)
- July 21, 2000
-
-- Donn Cave (donn@oz.net)
- October 4, 2000