Staging
v0.5.1
https://github.com/python/cpython
Revision 3fa19d7ff89be87139e2864fb9186b424d180a58 authored by Raymond Hettinger on 31 August 2004, 01:05:15 UTC, committed by Raymond Hettinger on 31 August 2004, 01:05:15 UTC
components without division and without roundoff error for properly
sized mantissas (i.e. on systems with 53 or more mantissa bits per
float).  Eliminates the previous implementation's rounding bias as
aptly demonstrated by Tim Peters.
1 parent daec961
Raw File
Tip revision: 3fa19d7ff89be87139e2864fb9186b424d180a58 authored by Raymond Hettinger on 31 August 2004, 01:05:15 UTC
Take advantage of the math library's ldexp for assembling a float by
Tip revision: 3fa19d7
ld_so_beos
#! /bin/sh
#
# linkmodule 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 shared library versions of the modules; since
# the change to the *ahem* "proper" import/export mechanism, this script
# is much simpler.  It handles PowerPC and x86, too.
#
# This is called by the Modules/Makefile as $(LDSHARED):
#
# $(LDSHARED) foomodule.o -o foomodule$(SO)
#
# Could also be called as:
#
# $(LDSHARED)  readline.o  -L/boot/home/config/lib -lreadline -ltermcap \
# -o readline$(SO)
#
# so we need to preserve the arguments, sort of.

# Make sure we got reasonable arguments.
TARGET=""
ARGS=""

while [ "$#" != "0" ]; do
	case "$1" in
		-o)	TARGET="$2"; shift; shift;;
		*)	ARGS="$ARGS $1"; shift;;
	esac
done

if [ "$TARGET" = "" ] ; then
	echo "Usage:"
	echo
	echo "	$0 [args] -o foomodule.so [args] foomodule.o [args]"
	echo
	echo "Where:"
	echo
	echo "	[args]	normal compiler arguments"
	exit 1
fi

# The shared libraries and glue objects we need to link against; these
# libs are overkill for most of the standard modules, but it makes life
# in this shell script easier.
LIBS="-lbe -lnet -lroot"

case $BE_HOST_CPU in
	ppc)
		# Boy, do we need a lot of crap...
		GLUE_LOC=/boot/develop/lib/ppc
		GLUE="${GLUE_LOC}/glue-noinit.a ${GLUE_LOC}/init_term_dyn.o"
		case $(uname -r) in
			4.0*) CC="mwcc -xms -export pragma -nodup" ;;
			*) CC="mwcc -shared -export pragma -nodup" ;;
		esac
		;;

	x86)
		# We don't need as much crap here...
		GLUE=""
		CC="gcc -nostart -Wl,-soname=${TARGET}"
		;;

	*)
		# What the?!?
		echo "$0 doesn't support $BE_HOST_CPU systems..."
		echo "You're on your own... I'd be surprised if this works."
		GLUE=""
		CC="cc"
		;;
esac

# Now link that shared lib...
$CC -o $TARGET $ARGS $GLUE $LIBS
back to top