103 lines
2.9 KiB
Plaintext
103 lines
2.9 KiB
Plaintext
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#! /bin/sh
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#
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# linkcc for Python
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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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#
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# Shell script to build the Python shared library properly; if we haven't
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# already built the export list, we'll need to link twice (argh...) so we
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# can eliminate some unwatnted global symbols from the system glue/init
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# objects.
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#
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# This is called by the Modules/Makefile as part of $(LINKCC):
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#
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# $(LINKCC) $(LDFLAGS) $(LINKFORSHARED) $(MAINOBJ) \
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# -L.. -lpython$(VERSION) $(MODLIBS) $(LIBS) $(SYSLIBS) -o python $(LDLAST)
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#
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# In 1.5.1 this changed to:
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#
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# $(LINKCC) $(LDFLAGS) $(LINKFORSHARED) $(MAINOBJ) \
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# $(LIBRARY) $(MODLIBS) $(LIBS) $(SYSLIBS) -o python $(LDLAST)
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#
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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 $(OPT)
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#
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# -L.. -lpython$(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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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 ${DYNAMIC%.so} | sed -e s,\\\.\\\./,, -e s,lib,,`"
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# Grab the rest of the args and build them into the command used to
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# link the python binary. Make sure we link against the shared lib
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# and not the static lib.
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LINK_CMD=""
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while [ "$#" != "0" ] ; do
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case "$1" in
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$LIBRARY)
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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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;;
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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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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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( cd .. ; ln -sf `pwd` lib )
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# Now build the python binary.
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echo "Link command: $LINK_CMD"
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$LINK_CMD
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