--- databases/cppdb/Makefile	2016-06-30 20:35:25.707079000 +0430
+++ databases/cppdb/Makefile	2016-06-30 20:35:05.835166000 +0430
@@ -41,7 +41,7 @@
 SQLITE3_MODULE_DESC=	Build SQLite 3 backend as a CppDB module
 
 USE_LDCONFIG=	yes
-USES=		cmake tar:bzip2
+USES=		cmake:outsource ninja tar:bzip2
 
 .include <bsd.port.options.mk>