+
−target() {
+
−	if [ $# -lt 1 ]
+
−	then
+
−		echo "target setting: required argument missing" 1>&2
+
−		exit 1
+
−	fi
+
−	if [ -n "$TARGET" ]
+
−	then
+
−		echo "Error: target specified more than once" 1>&2
+
−		exit 1
+
−	fi
+
−	if [ ! -f "cfgmagic/target.$1" ]
+
−	then
+
−		echo "Error: target $1 not known" 1>&2
+
−		exit 1
+
−	fi
+
−	# looks good, proceed
+
−	TARGET="$1"
+
−	. "cfgmagic/target.$1"
+
−	. cfgmagic/post-target
+
−}
+
−
+
−feature() {
+
−	if [ $# -lt 1 ]
+
−	then
+
−		echo "feature setting: required argument missing" 1>&2
+
−		exit 1
+
−	fi
+
−	if [ -z "$TARGET" ]
+
−	then
+
−		echo "Please specify the target before any features" 1>&2
+
−		exit 1
+
−	fi
+
−	if [ ! -f "cfgmagic/feature.$1" ]
+
−	then
+
−		echo "Error: feature $1 not known" 1>&2
+
−		exit 1
+
−	fi
+
−	# looks good, proceed
+
−	. "cfgmagic/feature.$1"
+
−}
+
−
+
−export_to_c() {
+
−	if [ $# != 1 ]
+
−	then
+
−		echo "export_to_c: wrong number of arguments" 1>&2
+
−		exit 1
+
−	fi
+
−	case "$c_export_list" in
+
−		*" $1 "* | *" $1")
+
−			;;
+
−		*)
+
−			c_export_list="$c_export_list $1"
+
−			;;
+
−	esac
+
−}
+
−
+
−export_to_mk() {
+
−	if [ $# != 1 ]
+
−	then
+
−		echo "export_to_mk: wrong number of arguments" 1>&2
+
−		exit 1
+
−	fi
+
−	case "$mk_export_list" in
+
−		*" $1 "* | *" $1")
+
−			;;
+
−		*)
+
−			mk_export_list="$mk_export_list $1"
+
−			;;
+
−	esac
+
−}
+
−
+
−export_to_m4() {
+
−	if [ $# != 1 ]
+
−	then
+
−		echo "export_to_m4: wrong number of arguments" 1>&2
+
−		exit 1
+
−	fi
+
−	case "$m4_export_list" in
+
−		*" $1 "* | *" $1")
+
−			;;
+
−		*)
+
−			m4_export_list="$m4_export_list $1"
+
−			;;
+
−	esac
+
−}