#

# set -o errexit -o noglob are assumed.

#

ex_pkg_env() {

	local _vname;

	if [ -z "${PKG_URL}" ]\

	&& [ -z "${PKG_URLS_GIT}" ]\

	&& [ -z "${PKG_VERSION}" ]\

	&& ! ex_test_cmd "pkg_${PKG_NAME}_all"; then

		ex_log_msg failexit "Error: package \`${PKG_NAME}' missing in build.vars.";

		return 1;

	else

		[ -z "${MIDIPIX_BUILD_PWD}" ] && MIDIPIX_BUILD_PWD="$(pwd)";

		[ -z "${PKG_FNAME}" ] && PKG_FNAME="${PKG_URL##*/}";

		[ -z "${PKG_TARGET}" ] && PKG_TARGET="${TARGET}";

		case "${PKG_BASE_DIR}" in

		?*)	;;

		*)	PKG_BASE_DIR="${WORKDIR}/${PKG_NAME}-${PKG_BUILD_TYPE:-native}-${PKG_TARGET}";

			if [ -n "${ARG_RESTART}" ]\

			&& [ -z "${ARG_RESTART_AT}" ]; then

				ex_build_fileop rm "${PKG_BASE_DIR}";

			fi; ;;

		esac;

		ex_build_fileop mkdir "${PKG_BASE_DIR}";

		ex_build_fileop cd "${PKG_BASE_DIR}";

		PKG_DESTDIR="${PKG_BASE_DIR}/destdir";

		case "${PKG_BUILD_TYPE}" in

		host)	export AR="ar";

			export CC="gcc";

			export CXX="g++";

			export RANLIB="ranlib"; ;;

		*)	export AR="${PKG_TARGET}-ar";

			export CC="${PKG_TARGET}-gcc";

			export CXX="${PKG_TARGET}-g++";

			export RANLIB="${PKG_TARGET}-ranlib";

			[ -x "${PREFIX}/bin/${TARGET}-pkg-config" ]\

				&& export PKG_CONFIG="${PREFIX}/bin/${TARGET}-pkg-config";

			;;

		esac;

		export LIBTOOL="${PKG_SLIBTOOL:-slibtool}";

		export MAKE="make LIBTOOL=${PKG_SLIBTOOL:-slibtool}";

		case "${PKG_SUBDIR}" in

		?*)	;;

		*)	case "${PKG_URLS_GIT}" in

			?*)	PKG_SUBDIR="${PKG_URLS_GIT%%=*}"; ;;

			*)	case "${PKG_FNAME}" in

				*.t*)	PKG_SUBDIR="${PKG_FNAME%%.t*}"; ;;

				*)	PKG_SUBDIR="${PKG_NAME}"; ;;

				esac; ;;

			esac; ;;

		esac;

		ex_push_IFS :;

		for _vname in ${PKG_ENV_VARS_EXTRA}; do

			export "${_vname}";

		done; ex_pop_IFS;

		if [ -n "${PKG_ENV_VARS}" ]\

		&& [ "${PKG_NO_LOG_VARS:-0}" -eq 0 ]; then

			PKG_ENV_VARS="$(echo "${PKG_ENV_VARS}" | tr " " "\n" | sort | tr "\n" " ")";

			ex_log_env_vars "build" ${PKG_ENV_VARS};

		fi;

	fi;

};

# vim:filetype=sh