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

pkg_configure() {
	local _libtool="" _rc=0;
	if [ -x "${PKG_CONFIGURE:-}" ]; then
		case "${PKG_LIBTOOL:-}" in
		"")	_libtool=""; ;;
		none)	_libtool=""; ;;
		*)	_libtool="${PKG_LIBTOOL}"; ;;
		esac;
		rtl_export_vars	\
			PKG_CONFIG "${PKG_PKG_CONFIG:-}"								\
			PKG_CONFIG_LIBDIR "${PKG_PKG_CONFIG_LIBDIR:-}"							\
			PYTHON "${PKG_PYTHON:-}"									\
			${_libtool:+MAKE} ${_libtool:+"make LIBTOOL=${_libtool}"};
		AR="${PKG_AR}"												\
		CC="${PKG_CC}"												\
		RANLIB="${PKG_RANLIB}"											\
		CFLAGS="${PKG_CFLAGS_CONFIGURE:-}${PKG_CFLAGS_CONFIGURE_EXTRA:+ ${PKG_CFLAGS_CONFIGURE_EXTRA}}"		\
		CPPFLAGS="${PKG_CFLAGS_CONFIGURE:-}${PKG_CFLAGS_CONFIGURE_EXTRA:+ ${PKG_CFLAGS_CONFIGURE_EXTRA}}"	\
		CXXFLAGS="${PKG_CXXFLAGS_CONFIGURE:-}${PKG_CXXFLAGS_CONFIGURE_EXTRA:+ ${PKG_CXXFLAGS_CONFIGURE_EXTRA}}"	\
		LDFLAGS="${PKG_LDFLAGS_CONFIGURE:-}${PKG_LDFLAGS_CONFIGURE_EXTRA:+ ${PKG_LDFLAGS_CONFIGURE_EXTRA}}"	\
		"${PKG_CONFIGURE}" ${PKG_CONFIGURE_ARGS:-} ${PKG_CONFIGURE_ARGS_EXTRA:-} ${PKG_CONFIGURE_ARGS_EXTRA_DEBUG:-};
		_rc="${?}"
		rtl_export_vars	-u \
			PKG_CONFIG "${PKG_PKG_CONFIG:-}"								\
			PKG_CONFIG_LIBDIR "${PKG_PKG_CONFIG_LIBDIR:-}"							\
			PYTHON "${PKG_PYTHON:-}"									\
			${_libtool:+MAKE} ${_libtool:+"make LIBTOOL=${_libtool}"};
		return "${_rc}";
	fi;
};

# vim:filetype=sh