From bad51150f2db02edbb743cb1d717a2825339dea8 Mon Sep 17 00:00:00 2001
From: Matthias Ringwald <matthias@ringwald.ch>
Date: Mon, 22 May 2023 12:15:30 +0200
Subject: [PATCH] sm: fix build without ctkd

---
 src/ble/sm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/ble/sm.c b/src/ble/sm.c
index 5d973cad5..d9241af30 100644
--- a/src/ble/sm.c
+++ b/src/ble/sm.c
@@ -4902,9 +4902,11 @@ void sm_init(void){
     hci_event_callback_registration.callback = &sm_event_packet_handler;
     hci_add_event_handler(&hci_event_callback_registration);
 
+#ifdef ENABLE_CROSS_TRANSPORT_KEY_DERIVATION
     // register for L2CAP events
     l2cap_event_callback_registration.callback = &sm_event_packet_handler;
     l2cap_add_event_handler(&l2cap_event_callback_registration);
+#endif
 
     //
     btstack_crypto_init();