. $GRIMOIRE/config_query_multi.function
config_query_option SPTK_OPTIONAL_DEPS				\
		    "Build examples"				\
		    n						\
		    "--enable-examples"				\
		    "--disable-examples"			&&
config_query_option SPTK_OPTIONAL_DEPS				\
		    "Build MS Excel support"			\
		    y						\
		    "--enable-excel"				\
		    "--disable-excel"				\