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130 lines
4.3 KiB
Plaintext
130 lines
4.3 KiB
Plaintext
Python for BeOS R5
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To build,
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1) ./configure --prefix=/boot/home/config
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2) edit Modules/Setup
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comment out grp and mmap, and pwd on 4.5 or earlier
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uncomment any modules you want to include in python
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(you can also add them later as shared libraries.)
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3) make
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Test:
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make test
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[Chris Herborth writes:]
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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_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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test test_pickle crashed. This is apparently a serious problem,
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"complex" number objects reconstructed from a
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pickle don't compare equal to their ancestors.
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But it happens on BeOS PPC only, not Intel.
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Install:
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make install
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Using GNU readline:
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The Python interpreter is much nicer to work with interactively if
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you've got readline installed. Highly recommended.
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You can get the original GNU readline 2.2 source code from your
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favourite GNU software repository, such as
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ftp://prep.ai.mit.edu/pub/gnu/.
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You can get the only-slightly-modified-for-BeOS version of GNU
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readline 2.2 from the GeekGadgets repository;
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ftp://ftp.ninemoons.com/pub/geekgadgets/.
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Building libreadline for BeOS hosts:
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Note that we don't build a shared library version of libreadline and
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libhistory. That's left as an exercise for the reader.
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You won't be able to link against libreadline.a using the limited
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linker.
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1) If you're on a PowerPC system, install the POSIX ar from
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http://www.qnx.com/~chrish/Be/software/index.html#programming
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(note that it's currently packaged with Python, in the BeOS/ar-1.1
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directory).
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If you're on an x86 system, you can leave out the "AR=ar-posix"
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part of the following instructions. In fact, you'll have to...
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2) For PowerPC, configure with:
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CC=mwcc CFLAGS="-O7 -i- -I." AR=ar-posix RANLIB=: ./configure --verbose \
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--without-gcc --prefix=/boot/home/config powerpc-*-beos
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For x86, configure with:
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CC=mwcc CFLAGS="-O2 -i- -I." RANLIB=: ./configure --verbose \
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--without-gcc --prefix=/boot/home/config x86-*-beos
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Don't worry about the warnings/errors configure spews for
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powerpc-*-beos or x86-*-beos; readline doesn't actually use this host
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information for anything, although configure will die if you don't
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specify it.
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3) Edit config.h to comment out "#define HAVE_SELECT 1"; select() on
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BeOS doesn't work on file descriptors (such as stdin).
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4) For PowerPC, make with:
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make AR=ar-posix
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For x86, make with:
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make
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5) Install with:
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make install
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Enjoy!
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- Chris Herborth (chrish@pobox.com)
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July 21, 2000
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- Donn Cave (donn@oz.net)
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October 4, 2000
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