From 8626304165be05787de6b3bfe0beb7e35d67890b Mon Sep 17 00:00:00 2001
From: Theo Arends <11044339+arendst@users.noreply.github.com>
Date: Thu, 6 Jun 2019 15:20:20 +0200
Subject: [PATCH] Fix AWS related core 2.3.0 compile error

Fix AWS related core 2.3.0 compile error
---
 sonoff/sonoff_aws_iot.cpp | 5 +++++
 sonoff/sonoff_post.h      | 7 +++++++
 2 files changed, 12 insertions(+)

diff --git a/sonoff/sonoff_aws_iot.cpp b/sonoff/sonoff_aws_iot.cpp
index 1bb476e61..cefdb556b 100644
--- a/sonoff/sonoff_aws_iot.cpp
+++ b/sonoff/sonoff_aws_iot.cpp
@@ -17,6 +17,9 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#include <my_user_config.h>
+#ifdef USE_MQTT_AWS_IOT
+
 #include <bearssl/bearssl.h>
 #include <pgmspace.h>
 
@@ -145,3 +148,5 @@ const br_ec_private_key *AWS_IoT_Private_Key = &EC;
 const br_x509_certificate *AWS_IoT_Client_Certificate = &CHAIN[0];
 
 }
+
+#endif  // USE_MQTT_AWS_IOT
\ No newline at end of file
diff --git a/sonoff/sonoff_post.h b/sonoff/sonoff_post.h
index 0839b15ca..99868a1ba 100644
--- a/sonoff/sonoff_post.h
+++ b/sonoff/sonoff_post.h
@@ -46,6 +46,13 @@ void KNX_CB_Action(message_t const &msg, void *arg);
  * Default global defines
 \*********************************************************************************************/
 
+#ifdef USE_MQTT_AWS_IOT
+#include <core_version.h>
+#ifndef ARDUINO_ESP8266_RELEASE_2_5_2
+  #error "USE_MQTT_AWS_IOT is only supported on core version 2.5.2"
+#endif
+#endif
+
 #if defined(USE_MQTT_TLS) || defined(USE_MQTT_AWS_IOT)
   const uint16_t WEB_LOG_SIZE = 2000;       // Max number of characters in weblog
 #else