#
# 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;
		for _vname in $(ex_split : ${PKG_ENV_VARS_EXTRA}); do
			export "${_vname}";
		done;
		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