#

# set -o errexit -o noglob are assumed.

#

pkg_setup_env() {

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

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

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

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

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

	elif [ "${PKG_DISABLED:-0}" -eq 1 ]; then

		log_msg vnfo "Skipping disabled package \`${PKG_NAME}.'";

		exit 0;

	else

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

		[ -n "${PKG_ENV_VARS_EXTRA}" ] && set_env_vars_with_sep : "${PKG_ENV_VARS_EXTRA}";

		[ -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

				build_fileop rm "${PKG_BASE_DIR}";

			fi; ;;

		esac;

		case "${PKG_BUILD_TYPE}" in

		host)	export AR="ar";

			export CC="gcc";

			export CXX="g++";

			export RANLIB="ranlib";

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

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

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

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

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

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

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

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

		esac;

		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;

	fi;

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

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

		log_env_vars "build" ${PKG_ENV_VARS};

	fi;

	build_fileop mkdir "${PKG_BASE_DIR}";

	build_fileop cd "${PKG_BASE_DIR}";

};

# vim:filetype=sh