depends libprelude &&
optional_depends 	mysql 		"--enable-mysql" 	"--disable-mysql" 	"for MySQL support" &&
optional_depends 	postgresql 	"--enable-pgsql" 	"--disable-pgsql" 	"for PostgreSQL support" &&
optional_depends 	sqlite 		"--enable-sqlite3" 	"--disable-sqlite3" 	"for sqlite support" &&
optional_depends 	perl 		"--enable-perl" 	"--disable-perl" 	"for perl bindings" &&
optional_depends 	python 		"--enable-python" 	"--disable-python" 	"for python bindings" 

