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Changes for new BeOS port by Chris Herborth
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Guido van Rossum
parent
476e49f055
commit
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3 changed files with 75 additions and 150 deletions
112
BeOS/README
112
BeOS/README
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@ -1,19 +1,12 @@
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Python 1.5.1 for BeOS
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Python 1.5.x (x > 1) for BeOS
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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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At this time, Python only supports BeOS on the PowerPC platform; if you'd
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like to help me port it to the x86 platform, please let me know (I only
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have limited access to BeOS on an x86 system). If you'd like to lend
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me an x86 laptop running BeOS to do the port, _definitely_ let me know! :-)
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I'll even give it back when I'm done.
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What's Here?
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ar-1.1 - An "ar" command with a POSIX 1003.2 interface; you'll need
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this for building the Python libraries under BeOS
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(/bin/ar just won't cut it).
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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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linkcc - A shell script used by the build process to build the Python
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shared library.
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@ -41,100 +34,59 @@ README.readline-2.2 - Instructions for compiling/installing GNU readline 2.2.
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Compiling Your Own Version
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To compile your own version of Python 1.5.1 for BeOS (with any luck,
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Python 1.6 will compile "out of the box" on BeOS), try this:
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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 Python 1.5.1 source code from ftp.python.org.
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1) Get the latest Python source code from ftp.python.org.
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2) Get the Python 1.5.1 diffs from my web pages
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(http://www.qnx.com/~chrish/Be/software/); if you can't get them through
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a web browser, send me email and I'll mail them back to you. These
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diffs should also be available at ftp.python.org along with the BeOS
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binary archive.
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Run autoconf. If you don't have autoconf, you can get a precompiled
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version from GeekGadgets (ftp://ftp.ninemoons.com/pub/geekgadgets/...).
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2) Configure with:
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3) Compile and install the POSIX ar from the ar-1.1 directory; see the
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README in there for details.
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4) Configure with:
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AR=ar-posix RANLIB=: ./configure --verbose --without-gcc \
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AR=$(pwd)/BeOS/ar-fake RANLIB=: ./configure --verbose --without-gcc \
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--prefix=/boot/home/config --with-thread
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The only strange thing that happens during the configure is that
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we fail the "genuine getopt()" test; this is odd because we've got
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a real live GNU getopt() in the system libs. Other packages built
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using configure (such as all of the goodies in GeekGadgets) suffer
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the same fate though, so it's not a Python problem.
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3) Copy Modules/Setup.in to Modules/Setup.
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5) 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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6) Edit Modules/Setup to turn on all the modules you want built. I've
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personally built the following modules:
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array, audioop, binascii, cPickle, cStringIO, cmath, crypt, curses,
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errno, fcntl, gdbm, grp, imageop, math, md5, new, operator, parser,
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pcre, posix, pwd, readline, regex, reop, rgbimg, rotor, select,
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signal, socket, soundex, strop, struct, syslog, termios, thread,
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time, timing, zlib
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Newly compiled/tested with 1.5.1:
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_locale
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You can get precompiled gdbm, ncurses, and zlib libraries from the
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GeekGadgets repository (ftp://ftp.ninemoons.com/pub/geekgadgets/...).
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Make sure you use _socket instead of socket for the name of the
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socketmodule on BeOS.
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7) Make:
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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.
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make
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or, if you feel the need for speed:
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make OPT="-O7 -opt schedule604"
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You can safely ignore any warnings you see during the build (and you'll
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see several if you use full warnings; I compiled the distribution with
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-w9 -ansi strict and cleaned up any errors...).
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5) Make sure Modules/Makefile.pre has REALLIBRARY set to:
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8) Test:
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REALLIBRARY=../libpython$(VERSION).so
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make test
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6) Make:
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make AR=$(pwd)/BeOS/ar-fake RANLIB=: OPT=-DUSE_DL_EXPORT \
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CCSHARED=-UUSE_DL_EXPORT
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7) Test:
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make AR=$(pwd)/BeOS/ar-fake RANLIB=: OPT=-DUSE_DL_EXPORT \
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CCSHARED=-UUSE_DL_EXPORT test
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Expect the following errors:
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test_builtin failed -- round(1000000000.0)
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test_fcntl skipped -- an optional feature could not be imported
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test_grp crashed -- exceptions.KeyError : getgrnam(): name not found
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test_pwd failed -- Writing: 'fakename', expected: 'caught e'
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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 (like the round()
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error; different CPUs represent floating point numbers differently,
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which can cause minor rounding errors).
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sockets), or valid differences between systems.
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9) Install:
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NOTE: On R4/x86, the pause() function is broken; expect the signal
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module test to crash Python!
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make install
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8) Install:
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10) Enjoy!
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make AR=$(pwd)/BeOS/ar-fake RANLIB=: OPT=-DUSE_DL_EXPORT \
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CCSHARED=-UUSE_DL_EXPORT install
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NOTE
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If you're going to build your own C/C++-based Python modules, link them
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against the libpython1.5.so shared library (in /boot/home/config/lib)
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instead of the libpython1.5.a (in /boot/home/config/lib/python1.5/config),
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unless you're building a statically-linked python interpreter (then you
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could try linking against _APP_ instead).
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Mixing modules linked against the shared library with a statically-linked
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interpreter is a bad idea (and it'll fail in _interesting_ ways).
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9) Enjoy!
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- Chris Herborth (chrish@qnx.com)
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April 25, 1998
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December 17, 1998
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56
BeOS/linkcc
56
BeOS/linkcc
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@ -24,23 +24,20 @@
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# For BeOS we should set $(LINKCC) to this in configure (similar to the
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# AIX situation):
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#
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# $(srcdir)../BeOS/linkcc $(LIBRARY) $(PURIFY) $(CC) -nodup $(OPT)
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# $(srcdir)../BeOS/linkcc $(LIBRARY) $(PURIFY) $(CC) $(OPT)
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#
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# -L.. -lpython$(VERSION) will automagically pick up the shared library.
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# Check to make sure we know what we're doing.
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system="`uname -m`"
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if [ "$system" != "BeMac" ] && [ "$system" != "BeBox" ] ; then
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echo "Sorry, BeOS Python doesn't support x86 yet."
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exit 1
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fi
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#
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# As of Python 1.5.2, this isn't strictly necessary, but it makes me
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# feel safer. It makes sure we've got all the BeOS-specific libraries,
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# and it creates the "lib" symlink that we'll need for chance of running
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# "make test" successfully.
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LIBRARY="$1"; shift
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# What we want to end up with.
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EXPORTS=${LIBRARY%.a}.exp
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DYNAMIC=${LIBRARY%.a}.so
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LINK_DYNAMIC="-l`echo ${DYNAMIC%.so} | sed -e s,\\\.\\\./,, -e s,lib,,`"
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LINK_DYNAMIC="-l$(basename ${DYNAMIC%.so} | sed -e s,lib,,)"
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# Grab the rest of the args and build them into the command used to
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# link the python binary. Make sure we link against the shared lib
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@ -52,6 +49,7 @@ while [ "$#" != "0" ] ; do
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LINK_CMD="$LINK_CMD -L.. $LINK_DYNAMIC"
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shift
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;;
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*)
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LINK_CMD="$LINK_CMD $1"
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shift
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@ -59,42 +57,12 @@ while [ "$#" != "0" ] ; do
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esac
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done
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# The shared libraries and glue objects we need to link against.
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# The shared libraries and glue objects we need to link against; this is
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# a little overkill, but it'll be OK.
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LIBS="-lbe -lnet -lroot"
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GLUE="/boot/develop/lib/ppc/glue-noinit.a /boot/develop/lib/ppc/init_term_dyn.o"
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# Unwanted symbols we need to eliminate; these are regular expressions
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# passed to egrep.
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SYMS="opterr optind optarg getopt __.* longjmp _.*_"
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# Check to see if we've already got an exports file, and delete it if
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# it's older than the lib.
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if [ -e $EXPORTS ] && [ $LIBRARY -nt $EXPORTS ] ; then
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echo "Deleting old exports file for $DYNAMIC..."
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rm -f $EXPORTS
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fi
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if [ ! -e $EXPORTS ] ; then
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# First link; create the exports file with the unwanted global symbols
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# in it. It's a pity we don't have "nm" or something like that...
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rm -f temp-exports.exp
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mwcc -xms -f temp-exports.exp -o $DYNAMIC $LIBRARY $GLUE $LIBS -nodup
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# Now clean out those bad symbols.
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for sym in $SYMS ; do
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rm -f temp-exports.exp2
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egrep -v "^$sym$" < temp-exports.exp > temp-exports.exp2
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mv -f temp-exports.exp2 temp-exports.exp
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done
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rm -f temp-exports.exp2
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mv -f temp-exports.exp $EXPORTS
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fi
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# Now link against the clean exports file.
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mwcc -xms -f $EXPORTS -o $DYNAMIC $LIBRARY $GLUE $LIBS -nodup
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# We'll need this or the python binary won't load libpython.so...
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# We'll need this or the python binary won't load libpython.so... handy
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# for testing.
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( cd .. ; ln -sf `pwd` lib )
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# Now build the python binary.
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@ -4,12 +4,11 @@
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# Chris Herborth (chrish@qnx.com)
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#
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# This is covered by the same copyright/licensing terms as the rest of
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# Python
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# Python.
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#
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# Shell script to build shared library versions of the modules; the
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# idea is to build an export list containing only the init*() function
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# for the module. We _could_ assume for foomodule.o it was initfoo, but
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# that's asking for trouble... this is a little less efficient but correct.
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# Shell script to build shared library versions of the modules; since
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# the change to the *ahem* "proper" import/export mechanism, this script
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# is much simpler. It handles PowerPC and x86, too.
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#
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# This is called by the Modules/Makefile as $(LDSHARED):
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#
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#
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# $(LDSHARED) readline.o -L/boot/home/config/lib -lreadline -ltermcap \
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# -o readline$(SO)
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# Check to make sure we know what we're doing.
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system="`uname -m`"
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if [ "$system" != "BeMac" ] && [ "$system" != "BeBox" ] ; then
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echo "Sorry, BeOS Python doesn't support x86 yet."
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exit 1
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fi
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#
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# so we need to preserve the arguments, sort of.
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# Make sure we got reasonable arguments.
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TARGET=""
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@ -45,26 +39,37 @@ if [ "$TARGET" = "" ] ; then
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echo
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echo "Where:"
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echo
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echo " [args] normal mwcc arguments"
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echo " [args] normal compiler arguments"
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exit 1
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fi
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EXPORTS=${TARGET%.so}.exp
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# The shared libraries and glue objects we need to link against; these
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# libs are overkill for most of the standard modules, but it makes life
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# in this shell script easier.
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LIBS="-L.. -lpython1.5 -lbe -lnet -lroot"
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GLUE="/boot/develop/lib/ppc/glue-noinit.a /boot/develop/lib/ppc/init_term_dyn.o"
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# Check to see if we've already got an exports file; we don't need to
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# update this once we've got it because we only ever want to export
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# one symbol.
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if [ ! -e $EXPORTS ] ; then
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# The init*() function has to be related to the module's .so name
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# for importdl to work.
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echo init${TARGET%.so} | sed -e s/module// > $EXPORTS
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fi
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case $BE_HOST_CPU in
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ppc)
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# Boy, do we need a lot of crap...
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GLUE_LOC=/boot/develop/lib/ppc
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GLUE="${GLUE_LOC}/glue-noinit.a ${GLUE_LOC}/init_term_dyn.o"
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CC="mwcc -xms -export pragma -nodup"
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;;
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# Now link against the clean exports file.
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mwcc -xms -f $EXPORTS -o $TARGET $ARGS $GLUE $LIBS -nodup
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x86)
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# We don't need as much crap here...
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GLUE=""
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CC="gcc -nostart -Wl,-soname=${TARGET}"
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;;
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*)
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# What the?!?
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echo "$0 doesn't support $BE_HOST_CPU systems..."
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echo "You're on your own... I'd be surprised if this works."
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GLUE=""
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CC="cc"
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;;
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esac
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# Now link that shared lib...
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$CC -o $TARGET $ARGS $GLUE $LIBS
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