don't include esp_wifi.h unless you've enabled wifi in the config

components/esp32/include/esp_wifi.h

@@ -54,6 +54,10 @@
  *
  */
 
+#ifndef CONFIG_WIFI_ENABLED
+    #error To use Wifi, you need to enable Wifi in the config
+#endif
+
 #ifndef __ESP_WIFI_H__
 #define __ESP_WIFI_H__
 
@@ -123,7 +127,6 @@ typedef struct {
 #endif
 
 #define WIFI_INIT_CONFIG_MAGIC    0x1F2F3F4F
-#ifdef CONFIG_WIFI_ENABLED
 #define WIFI_INIT_CONFIG_DEFAULT() { \
     .event_handler = &esp_event_send, \
     .static_rx_buf_num = CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM,\
@@ -134,9 +137,6 @@ typedef struct {
     .nano_enable = WIFI_NANO_FORMAT_ENABLED,\
     .magic = WIFI_INIT_CONFIG_MAGIC\
 };
-#else
-#define WIFI_INIT_CONFIG_DEFAULT #error Wifi is disabled in config, WIFI_INIT_CONFIG_DEFAULT will not work
-#endif
 
 /**
   * @brief  Init WiFi