dyn_feature_hook() {
	local name
	[ "$1" = "" ] && return 1
	for name in ${FEATURES}; do
		# einfo "-> $name"
		if [ -x "/etc/portage/feature.d/${name}/$1" ]; then
			einfo ">>> feature hook ${name} $1"
			source /etc/portage/feature.d/${name}/$1
		fi
	done
	return 0;
}

dyn_pre_compile() {
	dyn_feature_hook pre_compile
}

dyn_pre_install() {
	dyn_feature_hook pre_install
}

dyn_pre_post_install() {
	dyn_feature_hook pre_post_install
}