From c66a020e8067f657e730d018700e7de5b23175d4 Mon Sep 17 00:00:00 2001
From: me-no-dev <hristo@espressif.com>
Date: Thu, 21 Sep 2017 19:08:18 +0800
Subject: [PATCH] Add guards to not compile BT code if not enabled

---
 cores/esp32/esp32-hal-bt.c                                    | 3 ++-
 .../SimpleBLE/examples/SimpleBleDevice/SimpleBleDevice.ino    | 4 ++++
 libraries/SimpleBLE/src/SimpleBLE.cpp                         | 4 ++++
 libraries/SimpleBLE/src/SimpleBLE.h                           | 3 +++
 4 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/cores/esp32/esp32-hal-bt.c b/cores/esp32/esp32-hal-bt.c
index 0d19e5d5..08b8d3fd 100644
--- a/cores/esp32/esp32-hal-bt.c
+++ b/cores/esp32/esp32-hal-bt.c
@@ -14,7 +14,8 @@
 
 #include "esp32-hal-bt.h"
 
-#if CONFIG_BT_ENABLED
+#if defined(CONFIG_BT_ENABLED) && defined(CONFIG_BLUEDROID_ENABLED)
+
 
 #include "bt.h"
 #include "esp_bt_defs.h"
diff --git a/libraries/SimpleBLE/examples/SimpleBleDevice/SimpleBleDevice.ino b/libraries/SimpleBLE/examples/SimpleBleDevice/SimpleBleDevice.ino
index 249363d4..03097ebc 100644
--- a/libraries/SimpleBLE/examples/SimpleBleDevice/SimpleBleDevice.ino
+++ b/libraries/SimpleBLE/examples/SimpleBleDevice/SimpleBleDevice.ino
@@ -16,6 +16,10 @@
 // Useful if you want to advertise some sort of message
 // Button is attached between GPIO 0 and GND, and the device name changes each time the button is pressed
 
+#if !defined(CONFIG_BT_ENABLED) || !defined(CONFIG_BLUEDROID_ENABLED)
+#error Bluetooth is not enabled! Please run `make menuconfig` to and enable it
+#endif
+
 #include "SimpleBLE.h"
 SimpleBLE ble;
 
diff --git a/libraries/SimpleBLE/src/SimpleBLE.cpp b/libraries/SimpleBLE/src/SimpleBLE.cpp
index 01753052..59ca4327 100644
--- a/libraries/SimpleBLE/src/SimpleBLE.cpp
+++ b/libraries/SimpleBLE/src/SimpleBLE.cpp
@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#if defined(CONFIG_BT_ENABLED) && defined(CONFIG_BLUEDROID_ENABLED)
+
 #include "SimpleBLE.h"
 #include "esp32-hal-log.h"
 
@@ -125,3 +127,5 @@ void SimpleBLE::end()
 {
     _stop_gap();
 }
+
+#endif
diff --git a/libraries/SimpleBLE/src/SimpleBLE.h b/libraries/SimpleBLE/src/SimpleBLE.h
index 23ba2e7b..1da74131 100644
--- a/libraries/SimpleBLE/src/SimpleBLE.h
+++ b/libraries/SimpleBLE/src/SimpleBLE.h
@@ -15,6 +15,7 @@
 #ifndef _SIMPLE_BLE_H_
 #define _SIMPLE_BLE_H_
 
+#if defined(CONFIG_BT_ENABLED) && defined(CONFIG_BLUEDROID_ENABLED)
 
 #include <cstdint>
 #include <cstdio>
@@ -58,3 +59,5 @@ class SimpleBLE {
 };
 
 #endif
+
+#endif