fake:

package/base/bdb/subconfig-libs.in

@@ -20,28 +20,29 @@
 # 
 # --- ROCK-COPYRIGHT-NOTE-END ---
 
-if pkgcheck bdb=bdb33 X
+if pkgcheck bdb=bdb33 X || pkgcheck bdb=bdb40 X || pkgcheck bdb=bdb41 X || pkgcheck bdb=bdb42 X
 then
-	menu_begin MENU_PKG_BDB 'BerkleyDB Options'
-	block_begin 4
-		bool 'Build v3.3' ROCKCFG_PKG_BDB33 1
-		[ "$ROCKCFG_PKG_BDB33" = 1 ] && pkgenable bdb=bdb33 || pkgdisable bdb=bdb33
-		[ "$ROCKCFG_PKG_BDB33" = 1 ] && bdbdefselect="$bdbdefselect bdb33 'Using v3.3 as default'"
+	comment '- BerkleyDB default selection'
 
-		bool 'Build v4.0' ROCKCFG_PKG_BDB40 1
-		[ "$ROCKCFG_PKG_BDB40" = 1 ] && pkgenable bdb=bdb40 || pkgdisable bdb=bdb40
-		[ "$ROCKCFG_PKG_BDB40" = 1 ] && bdbdefselect="$bdbdefselect bdb40 'Using v4.0 as default'"
+	# we choose to select the newest bdb availible as default
+	if pkgcheck bdb=bdb33 X ; then
+		bdbdefselect="$bdbdefselect bdb33 'Using v3.3 as default'"
+		bdbdefault="bdb33";
+	fi;
+	if pkgcheck bdb=bdb40 X ; then 
+		bdbdefselect="$bdbdefselect bdb40 'Using v4.0 as default'"
+		bdbdefault="bdb40";
+	fi
+	if pkgcheck bdb=bdb41 X ; then 
+		bdbdefselect="$bdbdefselect bdb41 'Using v4.1 as default'"
+		bdbdefault="bdb41";
+	fi
+	if pkgcheck bdb=bdb42 X ; then 
+		bdbdefselect="$bdbdefselect bdb42 'Using v4.2 as default'"
+		bdbdefault="bdb42";
+	fi
 
-		bool 'Build v4.1' ROCKCFG_PKG_BDB41 1
-		[ "$ROCKCFG_PKG_BDB41" = 1 ] && pkgenable bdb=bdb41 || pkgdisable bdb=bdb41
-		[ "$ROCKCFG_PKG_BDB41" = 1 ] && bdbdefselect="$bdbdefselect bdb41 'Using v4.1 as default'"
+	eval "choice ROCKCFG_PKG_BDB_DEFAULT $bdbdefault $bdbdefselect"
 
-		bool 'Build v4.2' ROCKCFG_PKG_BDB42 1
-		[ "$ROCKCFG_PKG_BDB42" = 1 ] && pkgenable bdb=bdb42 || pkgdisable bdb=bdb42
-		[ "$ROCKCFG_PKG_BDB42" = 1 ] && bdbdefselect="$bdbdefselect bdb42 'Using v4.2 as default'"
-
-		eval "choice ROCKCFG_PKG_BDB_DEFAULT bdb41 $bdbdefselect"
-	block_end
-	menu_end
 	pkgremove bdb
 fi