EMAC: Fix "#if DEVICE_EMAC " usage

features/net/FEATURE_IPV4/lwip-interface/EthernetInterface.cpp

@@ -22,7 +22,11 @@
 EthernetInterface::EthernetInterface()
     : _dhcp(true), _ip_address(), _netmask(), _gateway()
 {
+#if DEVICE_EMAC
     return lwip_bringup(NULL);
+#else /* DEVICE_EMAC */
+    return lwip_bringup();
+#endif /* DEVICE_EMAC */
 }
 
 int EthernetInterface::set_network(const char *ip_address, const char *netmask, const char *gateway)

features/net/FEATURE_IPV4/lwip-interface/LWIPIPStack.cpp

@@ -14,6 +14,10 @@
  * limitations under the License.
  */
 
+#include "platform.h"
+
+#if DEVICE_EMAC
+
 #include "IPStackInterface.h"
 #include "lwip_stack.h"
 
@@ -39,3 +43,5 @@ const char * IPStackInterface::get_ip_address()
 {
     return lwip_get_ip_address(_ip_address, sizeof(_ip_address));
 }
+
+#endif /* DEVICE_EMAC */

features/net/network-socket/IPStackInterface.h

@@ -17,6 +17,10 @@
 #ifndef IP_STACK_INTERFACE_H
 #define IP_STACK_INTERFACE_H
 
+#include "platform.h"
+
+#if DEVICE_EMAC
+
 #include "emac_api.h"
 
 /**
@@ -56,4 +60,6 @@ private:
     char _ip_address[16]; //IPv4
 };
 
+#endif /* DEVICE_EMAC */
+
 #endif /* IP_STACK_INTERFACE_H */

features/net/network-socket/emac_stack_mem.h

@@ -16,6 +16,10 @@
 #ifndef MBED_EMAC_STACK_MEM_H
 #define MBED_EMAC_STACK_MEM_H
 
+#include "platform.h"
+
+#if DEVICE_EMAC
+
 #include <stdint.h>
 
 /**
@@ -92,4 +96,6 @@ emac_stack_mem_t *emac_stack_mem_chain_dequeue(emac_stack_t* stack, emac_stack_m
  */
 uint32_t emac_stack_mem_chain_len(emac_stack_t* stack, emac_stack_mem_chain_t *chain);
 
+#endif /* DEVICE_EMAC */
+
 #endif /* EMAC_MBED_STACK_MEM_h */