#!/bin/ksh93
#
# The standard "link" script for SML/NJ
#

#
# for /bin/ksh, disable reading user's environment file
#
unset ENV

#############################################################################
#
# BEGIN SITE SPECIFIC STUFF
#
#############################################################################

#
# SITE SPECIFIC CONFIGURATION INFO
#

# the path of the directory in which executables (like this file) are kept.
if [[ -z ${SMLNJ_HOME} ]] ; then
	BIN_DIR="@CLIENT_BASEDIR@/lib/smlnj/bin"
	if [[ ! -d ${BIN_DIR} ]]; then
		BIN_DIR="${.sh.file%/*}"
		[[ ${BIN_DIR:0:1} == '/' ]] || \
			{ cd "${BIN_DIR}" ; cmddir="${PWD}" ; cd "${OLDPWD}" ; }
	fi
else
	[[ -z ${CM_PATHCONFIG} ]] && \
		export CM_PATHCONFIG="${SMLNJ_HOME}/lib/pathconfig"
	BIN_DIR="${SMLNJ_HOME}/bin"
fi

# the path of the directory in which the runtime system executables are kept.
RUN_DIR="${BIN_DIR}/.run"

# the path of the directory in which the heap images are kept.
HEAP_DIR="${BIN_DIR}/.heap"

#
# the following could be replaced with some site specific code
#
. "${BIN_DIR}/.arch-n-opsys"

#############################################################################
#
# END SITE SPECIFIC STUFF
#
#############################################################################

# Process command line arguments
RUN="${RUN_DIR}/run.${ARCH}-${OPSYS}"
BOOT=
HEAP='sml'
while (( $# )); do
	arg="$1"
	case "$arg" in
		@SMLrun=*)
			RUN="${arg:8}"
			shift
			;;
		@SMLboot=*)
			BOOT="${arg:9}"
			shift
			;;
		@SMLheap=*)
			HEAP="${arg:9}"
			shift
			;;
		@SMLversion)
			print "${CMD} 110.79"
			exit 0
			;;
		*)
			break
			;;
	esac
done

if [[ ! -x ${RUN} ]]; then
	print -u2 "${CMD}: cannot find runtime system ${RUN}"
	exit 1
fi

if [[ -z ${BOOT} ]]; then
	print -u2 '@SMLboot=<bootlist> must be specified.'
	exit 1
fi

# run the sucker!
exec "${RUN}" @SMLboot="${BOOT}" @SMLheap="${HEAP}" "$@"