fix esp_http_client_example to build for Linux target. Made protocol_examples_common compatible for Linux target

examples/common_components/protocol_examples_common/CMakeLists.txt

@@ -4,7 +4,7 @@ if(${target} STREQUAL "linux")
     # Header only library for linux
 
     idf_component_register(INCLUDE_DIRS include
-                           PRIV_REQUIRES tapif_io)
+                           SRCS protocol_examples_utils.c)
     return()
 endif()
 

examples/common_components/protocol_examples_common/connect.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Unlicense OR CC0-1.0
  */

examples/common_components/protocol_examples_common/include/example_common_private.h

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Unlicense OR CC0-1.0
  */

examples/common_components/protocol_examples_common/include/protocol_examples_common.h

@@ -11,15 +11,18 @@
 
 #include "sdkconfig.h"
 #include "esp_err.h"
+#if !CONFIG_IDF_TARGET_LINUX
 #include "esp_netif.h"
 #if CONFIG_EXAMPLE_CONNECT_ETHERNET
 #include "esp_eth.h"
 #endif
+#endif // !CONFIG_IDF_TARGET_LINUX
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+#if !CONFIG_IDF_TARGET_LINUX
 #if CONFIG_EXAMPLE_CONNECT_WIFI
 #define EXAMPLE_NETIF_DESC_STA "example_netif_sta"
 #endif
@@ -96,6 +99,10 @@ void example_register_wifi_connect_commands(void);
 esp_eth_handle_t get_example_eth_handle(void);
 #endif // CONFIG_EXAMPLE_CONNECT_ETHERNET
 
+#else
+static inline esp_err_t example_connect(void) {return ESP_OK;}
+#endif // !CONFIG_IDF_TARGET_LINUX
+
 #ifdef __cplusplus
 }
 #endif