# $NetBSD: buildcmd,v 1.2 2003/10/04 10:20:09 jlam Exp $
#
# Append $arg to $cmd to build up the command line to be executed, but
# directly add the next few arguments to $cmd if $skipargs > 0.
#
if $test $skipargs -gt 0; then
	cmd="$cmd $arg"
	while $test $skipargs -gt 0; do
		arg=$1; shift
		. $quotearg
		arg="$qarg"
		cmd="$cmd $arg"
		skipargs=`$expr $skipargs - 1`
	done
else
	#
	# Reduce command length by not appending options that we've
	# already seen to the command.
	#
	case $arg in
	-[DILR]*|-Wl,-R*|-Wl,-*,/*)
		#
		# These options are only ever useful the first time
		# they're given.  All other instances are redundant.
		#
		case "$cmd" in
		*" "$arg|*" "$arg" "*)	;;
		*)	cmd="$cmd $arg" ;;
		esac
		;;
	-l*)
		#
		# Extra libraries are suppressed only if they're
		# repeated, e.g. "-lm -lm -lm -lm" -> "-lm".
		#
		case "$cmd" in
		*" "$arg)	;;
		*)	cmd="$cmd $arg" ;;
		esac
		;;
	*)
		cmd="$cmd $arg"
		;;
	esac
fi