Index: src/main.c
==================================================================
--- src/main.c
+++ src/main.c
@@ -640,10 +640,11 @@
 ** space for the lookaside memory is obtained from sqlite3_malloc().
 ** If pStart is not NULL then it is sz*cnt bytes of memory to use for
 ** the lookaside memory.
 */
 static int setupLookaside(sqlite3 *db, void *pBuf, int sz, int cnt){
+#ifndef SQLITE_OMIT_LOOKASIDE
   void *pStart;
   if( db->lookaside.nOut ){
     return SQLITE_BUSY;
   }
   /* Free any existing lookaside buffer for this handle before
@@ -690,10 +691,11 @@
     db->lookaside.pStart = db;
     db->lookaside.pEnd = db;
     db->lookaside.bEnabled = 0;
     db->lookaside.bMalloced = 0;
   }
+#endif /* SQLITE_OMIT_LOOKASIDE */
   return SQLITE_OK;
 }
 
 /*
 ** Return the mutex associated with a database connection.