Ethernet peripheral will depend on IDF_TARGET

esp32 has EMAC controller, but esp32s2 doesn't

components/ethernet/CMakeLists.txt

@@ -1,3 +1,5 @@
+require_idf_targets(esp32)
+
 set(COMPONENT_SRCS "emac_dev.c"
                    "emac_main.c"
                    "eth_phy/phy_common.c"

components/ethernet/Kconfig

@@ -1,4 +1,5 @@
 menu Ethernet
+    depends on IDF_TARGET_ESP32
 
     config ETH_DMA_RX_BUF_NUM
         int "Number of DMA RX buffers"

components/ethernet/component.mk

@@ -2,4 +2,8 @@
 # Component Makefile
 #
 
-COMPONENT_SRCDIRS := . eth_phy
+ifdef CONFIG_IDF_TARGET_ESP32
+    COMPONENT_SRCDIRS := . eth_phy
+else
+    COMPONENT_CONFIG_ONLY := 1
+endif

components/lwip/CMakeLists.txt

@@ -86,10 +86,17 @@ set(COMPONENT_SRCS "apps/dhcpserver/dhcpserver.c"
                    "port/esp32/debug/lwip_debug.c"
                    "port/esp32/freertos/sys_arch.c"
                    "port/esp32/netif/dhcp_state.c"
+<<<<<<< bce8b14e7324423a5caad1c6a240e97fdc45afe2
                    "port/esp32/netif/ethernetif.c"
                    "port/esp32/netif/nettestif.c"
+=======
+>>>>>>> Ethernet peripheral will depend on IDF_TARGET
                    "port/esp32/netif/wlanif.c")
 
+if(CONFIG_IDF_TARGET_ESP32)
+    list(APPEND COMPONENT_SRCS "port/esp32/netif/ethernetif.c")
+endif()
+
 if(CONFIG_LWIP_PPP_SUPPORT)
     list(APPEND COMPONENT_SRCS "lwip/src/netif/ppp/auth.c"
                    "lwip/src/netif/ppp/ccp.c"

components/lwip/component.mk

@@ -25,6 +25,10 @@ COMPONENT_SRCDIRS := \
 	port/esp32/netif \
 	port/esp32/debug
 
+ifndef CONFIG_IDF_TARGET_ESP32
+    COMPONENT_OBJEXCLUDE := port/esp32/netif/ethernetif.o
+endif
+
 ifdef CONFIG_LWIP_PPP_SUPPORT
     COMPONENT_SRCDIRS += lwip/src/netif/ppp lwip/src/netif/ppp/polarssl
 endif