#

# set +o errexit -o noglob -o nounset is assumed.

#

pkg_configure_autotools() {

	local	_pca_group_name="${1}" _pca_pkg_name="${2}" _pca_restart_at="${3}"	\

		_pca_config_cache="" _pca_config_guest_fname="" _pca_fname=""		\

		_pca_subdir_tgt="";

	if [ "${PKG_CONFIGURE_TYPE:+1}" = 1 ]\

	&& [ "${PKG_CONFIGURE_TYPE}" != "autotools" ]; then

		return 0;

	fi;

	if [ "${PKG_AUTOCONF_CONFIG_GUESS:-midipix}" = "midipix" ]; then

		_pca_config_guest_fname="config.guess";

	else

		_pca_config_guest_fname="";

	fi;

	if rtl_exists_any "${PKG_BASE_DIR}/${PKG_SUBDIR}"				\

			${_pca_config_guest_fname:+"${_pca_config_guest_fname}"}	\

			"configure.ac" "configure.in" "configure";

	then

		rtl_export_vars PKG_CONFIG "${PKG_PKG_CONFIG:-}" PKG_CONFIG_LIBDIR "${PKG_PKG_CONFIG_LIBDIR:-}";

		if [ "${PKG_FORCE_AUTORECONF:-0}" -eq 1 ]\

		&& ! (cd "${PKG_BASE_DIR}/${PKG_SUBDIR}" && autoreconf -fiv); then

			return 1;

		fi;

		if [ -e "${PKG_BASE_DIR}/${PKG_SUBDIR}/configure.ac" ]\

		&& [ ! -e "${PKG_BASE_DIR}/${PKG_SUBDIR}/configure" ]; then

			for _pca_fname in bootstrap bootstrap.sh autogen.sh; do

				if [ -e "${PKG_BASE_DIR}/${PKG_SUBDIR}/${_pca_fname}" ]; then

					for _pca_subdir_tgt in \

							"${PKG_BASE_DIR}/${PKG_SUBDIR}/build-aux"		\

							"${PKG_BASE_DIR}/${PKG_SUBDIR}";

					do	if [ -e "${_pca_subdir_tgt}" ]; then

							if ! rtl_fileop install -m 0700				\

									"${MIDIPIX_BUILD_PWD}/etc/config.sub"	\

									"${_pca_subdir_tgt}/config.sub"; then

								return 1;

							fi;

							if [ "${PKG_AUTOCONF_CONFIG_GUESS:-midipix}" = "midipix" ]; then

								if ! rtl_fileop install -m 0700			\

										"${MIDIPIX_BUILD_PWD}/etc/config.guess"\

										"${_pca_subdir_tgt}/config.guess"; then

									return 1;

								else

									break;

								fi;

							fi;

						fi;

					done;

					if ! (rtl_fileop cd "${PKG_BASE_DIR}/${PKG_SUBDIR}" &&			\

							/bin/sh "${_pca_fname}"); then

						return 1;

					else

						break;

					fi;

				fi;

			done;

			if ! (rtl_fileop cd "${PKG_BASE_DIR}/${PKG_SUBDIR}" && autoconf); then

				return 1;

			fi;

		fi;

		for _pca_fname in $(find "${PKG_BASE_DIR}/${PKG_SUBDIR}" -name config.sub); do

			if ! rtl_fileop mv "${_pca_fname}" "${_pca_fname}.orig"\

			|| ! rtl_fileop install -m 0700 "${MIDIPIX_BUILD_PWD}/etc/config.sub" "${_pca_fname}"; then

				return 1;

			fi;

		done;

		if [ "${PKG_AUTOCONF_CONFIG_GUESS:-midipix}" = "midipix" ]; then

			for _pca_fname in $(find "${PKG_BASE_DIR}/${PKG_SUBDIR}" -name config.guess); do

				if ! rtl_fileop mv "${_pca_fname}" "${_pca_fname}.orig"\

				|| ! rtl_fileop install -m 0700 "${MIDIPIX_BUILD_PWD}/etc/config.guess" "${_pca_fname}"; then

					return 1;

				fi;

			done;

		fi;

		if [ "${PKG_BUILD_TYPE}" != host ]; then

			if ! rtl_fileop touch "${PKG_BUILD_DIR}/config.cache"; then

				return 1;

			else

				for _pca_config_cache in \

						"${PKG_CONFIG_CACHE:-}"						\

						"${PKG_CONFIG_CACHE_LOCAL:-}"					\

						"${PKG_CONFIG_CACHE_EXTRA:-}";

				do	if [ "${_pca_config_cache:+1}" = 1 ]\

					&& ! printf "%s\n" "${_pca_config_cache}"					|\

							tr " " "\n" >> "${PKG_BUILD_DIR}/config.cache"; then

						return 1;

					fi;

				done;

				if ! sed -i"" "s,%PREFIX%,${PKG_PREFIX},g" "${PKG_BUILD_DIR}/config.cache"; then

					return 1;

				fi;

			fi;

		fi;

		rtl_export_vars -u PKG_CONFIG "${PKG_PKG_CONFIG:-}" PKG_CONFIG_LIBDIR "${PKG_PKG_CONFIG_LIBDIR:-}";

	fi;

	return 0;

};

# vim:filetype=sh textwidth=0