https://bugs.gentoo.org/622776

--- mixxx-2.0.0/src/library/trackcollection.h
+++ mixxx-2.0.0/src/library/trackcollection.h
@@ -34,8 +34,7 @@
 #include "library/dao/libraryhashdao.h"
 
 #ifdef __SQLITE3__
-typedef struct sqlite3_context sqlite3_context;
-typedef struct Mem sqlite3_value;
+#include <sqlite3.h>
 #endif
 
 class TrackInfoObject;