#

# set -o errexit -o noglob are assumed.

#

exp_pkg_vars() {

	local _pkg_name="${1}" _pkg_name_uc _build_uc _vname_dst _vname_src;

	_pkg_name_uc="$(ex_toupper "${_pkg_name}")";

	_build_uc="$(ex_toupper "${BUILD}")";

	for _vname_dst in PREFIX ${PKG_BUILD_VARS}; do

		for _vname_src in					\

				"DEFAULT_${_vname_dst}"			\

				"${BUILD_TARGET}_${_vname_dst}"		\

				"PKG_${_pkg_name_uc}_${_vname_dst}"	\

				"PKG_${_pkg_name_uc}_${_vname_dst}_${_build_uc}"; do

			if [ -n "$(ex_get_var_unsafe "${_vname_src}")" ]; then

				ex_set_var_unsafe "PKG_${_vname_dst}" "$(ex_get_var_unsafe ${_vname_src})";

				if ! ex_lmatch "${PKG_ENV_VARS}" " " "${_vname_src}"; then

					PKG_ENV_VARS="${PKG_ENV_VARS:+${PKG_ENV_VARS} }${_vname_src}";

				fi;

			fi;

		done;

	done;

};

ex_pkg_vars() {

	local _vars_path;

	for _vars_path in vars/${PKG_NAME}.vars; do

		if [ -e "${_vars_path}" ]\

		|| [ -L "${_vars_path}" ]; then

			. "${_vars_path}";

		fi;

	done;

	if [ -n "${PKG_NAME_PARENT}" ]; then

		exp_pkg_vars "${PKG_NAME_PARENT}";

	fi;

	exp_pkg_vars "${PKG_NAME}";

};

# vim:filetype=sh