diff options
Diffstat (limited to 'BeOS/linkcc')
| -rwxr-xr-x | BeOS/linkcc | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/BeOS/linkcc b/BeOS/linkcc new file mode 100755 index 0000000..9b95635 --- /dev/null +++ b/BeOS/linkcc @@ -0,0 +1,102 @@ +#! /bin/sh +# +# linkcc for Python +# Chris Herborth (chrish@qnx.com) +# +# This is covered by the same copyright/licensing terms as the rest of +# Python. +# +# Shell script to build the Python shared library properly; if we haven't +# already built the export list, we'll need to link twice (argh...) so we +# can eliminate some unwatnted global symbols from the system glue/init +# objects. +# +# This is called by the Modules/Makefile as part of $(LINKCC): +# +# $(LINKCC) $(LDFLAGS) $(LINKFORSHARED) $(MAINOBJ) \ +# -L.. -lpython$(VERSION) $(MODLIBS) $(LIBS) $(SYSLIBS) -o python $(LDLAST) +# +# In 1.5.1 this changed to: +# +# $(LINKCC) $(LDFLAGS) $(LINKFORSHARED) $(MAINOBJ) \ +# $(LIBRARY) $(MODLIBS) $(LIBS) $(SYSLIBS) -o python $(LDLAST) +# +# For BeOS we should set $(LINKCC) to this in configure (similar to the +# AIX situation): +# +# $(srcdir)../BeOS/linkcc $(LIBRARY) $(PURIFY) $(CC) -nodup $(OPT) +# +# -L.. -lpython$(VERSION) will automagically pick up the shared library. + +# Check to make sure we know what we're doing. +system="`uname -m`" +if [ "$system" != "BeMac" ] && [ "$system" != "BeBox" ] ; then + echo "Sorry, BeOS Python doesn't support x86 yet." + exit 1 +fi + +LIBRARY="$1"; shift + +# What we want to end up with. +EXPORTS=${LIBRARY%.a}.exp +DYNAMIC=${LIBRARY%.a}.so +LINK_DYNAMIC="-l`echo ${DYNAMIC%.so} | sed -e s,\\\.\\\./,, -e s,lib,,`" + +# Grab the rest of the args and build them into the command used to +# link the python binary. Make sure we link against the shared lib +# and not the static lib. +LINK_CMD="" +while [ "$#" != "0" ] ; do + case "$1" in + $LIBRARY) + LINK_CMD="$LINK_CMD -L.. $LINK_DYNAMIC" + shift + ;; + *) + LINK_CMD="$LINK_CMD $1" + shift + ;; + esac +done + +# The shared libraries and glue objects we need to link against. +LIBS="-lbe -lnet -lroot" +GLUE="/boot/develop/lib/ppc/glue-noinit.a /boot/develop/lib/ppc/init_term_dyn.o" + +# Unwanted symbols we need to eliminate; these are regular expressions +# passed to egrep. +SYMS="opterr optind optarg getopt __.* longjmp _.*_" + +# Check to see if we've already got an exports file, and delete it if +# it's older than the lib. +if [ -e $EXPORTS ] && [ $LIBRARY -nt $EXPORTS ] ; then + echo "Deleting old exports file for $DYNAMIC..." + rm -f $EXPORTS +fi + +if [ ! -e $EXPORTS ] ; then + # First link; create the exports file with the unwanted global symbols + # in it. It's a pity we don't have "nm" or something like that... + rm -f temp-exports.exp + mwcc -xms -f temp-exports.exp -o $DYNAMIC $LIBRARY $GLUE $LIBS -nodup + + # Now clean out those bad symbols. + for sym in $SYMS ; do + rm -f temp-exports.exp2 + egrep -v "^$sym$" < temp-exports.exp > temp-exports.exp2 + mv -f temp-exports.exp2 temp-exports.exp + done + + rm -f temp-exports.exp2 + mv -f temp-exports.exp $EXPORTS +fi + +# Now link against the clean exports file. +mwcc -xms -f $EXPORTS -o $DYNAMIC $LIBRARY $GLUE $LIBS -nodup + +# We'll need this or the python binary won't load libpython.so... +( cd .. ; ln -sf `pwd` lib ) + +# Now build the python binary. +echo "Link command: $LINK_CMD" +$LINK_CMD |