fix(wifi_remote): Fix issues when building the same file twice

Closes #84

Author: david-cermak

components/esp_wifi_remote/CMakeLists.txt

@@ -1,15 +1,14 @@
 if(NOT CONFIG_ESP_WIFI_ENABLED AND NOT CONFIG_ESP_HOST_WIFI_ENABLED)
-    set(src_wifi_is_remote esp_wifi_remote.c esp_wifi_remote_net.c)
+    set(wifi_remote_sources esp_wifi_remote.c esp_wifi_remote_net.c)
+else()
+    set(wifi_remote_sources esp_wifi_remote_net2.c)
 endif()
 
 idf_component_register(INCLUDE_DIRS include
-                    SRCS ${src_wifi_is_remote}
-                         ${src_wifi_remote_eppp}
-                         dummy_src.c    # Prevents making this component potentially INTERFACE only
+                    SRCS ${wifi_remote_sources}
                     REQUIRES esp_event esp_netif
                     PRIV_REQUIRES esp_wifi esp-tls vfs)
 
-
 set(IDF_VER_DIR "${CMAKE_CURRENT_SOURCE_DIR}/idf_v${IDF_VERSION_MAJOR}.${IDF_VERSION_MINOR}")
 
 # Check if we're on tagged version of ESP-IDF and if we need to supply specific version
@@ -41,10 +40,6 @@ if(CONFIG_ESP_WIFI_REMOTE_LIBRARY_HOSTED)
     endif()
 endif()
 
-if(CONFIG_ESP_WIFI_ENABLED OR CONFIG_ESP_HOST_WIFI_ENABLED)
-    list(APPEND wifi_sources "esp_wifi_remote_net2.c")
-endif()
-
 target_include_directories(${COMPONENT_LIB} PUBLIC   ${IDF_VER_DIR}/include)
 target_sources(${COMPONENT_LIB}             PRIVATE  ${src_wifi_remote_weak}
                                                      ${src_wifi_with_remote}