Fixed remote device fetch being windows only.

Pcap++/header/DeviceUtils.h

@@ -19,14 +19,16 @@ namespace pcpp
 		 * @throws std::runtime_error The system encountered an error fetching the devices.
 		 */
 		std::unique_ptr<pcap_if_t, PcapFreeAllDevsDeleter> getAllLocalPcapDevices();
+#ifdef _WIN32
 		/**
-		 * Fetches a list of all network devices on a remote machine that LibPcap/WinPcap/NPcap can find.
+		 * Fetches a list of all network devices on a remote machine that WinPcap/NPcap can find.
 		 * @param[in] ipAddress IP address of the remote machine.
 		 * @param[in] port Port to use when connecting to the remote machine.
 		 * @param[in] pRmAuth Pointer to an authentication structure to use when connecting to the remote machine. Nullptr if no authentication is required.
 		 * @return A smart pointer to an interface list structure.
 		 * @throws std::runtime_error The system encountered an error fetching the devices.
 		 */
 		std::unique_ptr<pcap_if_t, PcapFreeAllDevsDeleter> getAllRemotePcapDevices(const IPAddress& ipAddress, uint16_t port, pcap_rmtauth* pRmAuth = nullptr);
+#endif // _WIN32
 	}
 }

Pcap++/src/DeviceUtils.cpp

@@ -23,6 +23,8 @@ namespace pcpp
 			// Assigns the raw pointer to the smart pointer with specialized deleter.
 			return std::unique_ptr<pcap_if_t, internal::PcapFreeAllDevsDeleter>(interfaceListRaw);
 		}
+
+#ifdef _WIN32
 		std::unique_ptr<pcap_if_t, PcapFreeAllDevsDeleter> getAllRemotePcapDevices(const IPAddress& ipAddress, uint16_t port, pcap_rmtauth* pRmAuth)
 		{
 			PCPP_LOG_DEBUG("Searching remote devices on IP: " << ipAddress << " and port: " << port);
@@ -43,5 +45,6 @@ namespace pcpp
 			}
 			return std::unique_ptr<pcap_if_t, internal::PcapFreeAllDevsDeleter>(interfaceListRaw);
 		}
+#endif // _WIN32
 	}
 }