diff --git a/Common/GPIOController.cpp b/Common/GPIOController.cpp
index d98ccfc..06250f0 100644
--- a/Common/GPIOController.cpp
+++ b/Common/GPIOController.cpp
@@ -1,5 +1,5 @@
 /*
- *	Copyright (C) 2012,2013,2015 by Jonathan Naylor, G4KLX
+ *	Copyright (C) 2012,2013,2015,2018 by Jonathan Naylor, G4KLX
  *
  *	This program is free software; you can redistribute it and/or modify
  *	it under the terms of the GNU General Public License as published by
@@ -11,6 +11,8 @@
  *	GNU General Public License for more details.
  */
 
+#if defined(GPIO)
+
 #include "GPIOController.h"
 
 CGPIOController::CGPIOController(unsigned int config) :
@@ -168,3 +170,6 @@ void CGPIOController::setDigitalOutputs(bool outp1, bool outp2, bool outp3, bool
 void CGPIOController::close()
 {
 }
+
+#endif
+
diff --git a/Common/GPIOController.h b/Common/GPIOController.h
index aa170f0..75e0edd 100644
--- a/Common/GPIOController.h
+++ b/Common/GPIOController.h
@@ -1,5 +1,5 @@
 /*
- *	Copyright (C) 2012,2015 by Jonathan Naylor, G4KLX
+ *	Copyright (C) 2012,2015,2018 by Jonathan Naylor, G4KLX
  *
  *	This program is free software; you can redistribute it and/or modify
  *	it under the terms of the GNU General Public License as published by
@@ -14,6 +14,8 @@
 #ifndef	GPIOController_H
 #define	GPIOController_H
 
+#if defined(GPIO)
+
 #include "HardwareController.h"
 
 #include <wx/wx.h>
@@ -44,3 +46,6 @@ private:
 };
 
 #endif
+
+#endif
+
diff --git a/Common/Makefile b/Common/Makefile
index d240a81..82950b9 100644
--- a/Common/Makefile
+++ b/Common/Makefile
@@ -2,10 +2,10 @@ OBJECTS = AMBEFEC.o AnnouncementUnit.o ArduinoController.o BeaconUnit.o Callsign
 	  DStarGMSKDemodulator.o DStarGMSKModulator.o DStarRepeaterConfig.o DStarScrambler.o DummyController.o DVAPController.o \
 	  DVMegaController.o DVRPTRV1Controller.o DVRPTRV2Controller.o DVRPTRV3Controller.o DVTOOLFileReader.o DVTOOLFileWriter.o \
 	  ExternalController.o FIRFilter.o GatewayProtocolHandler.o GMSKController.o GMSKModem.o GMSKModemLibUsb.o Golay.o \
-	  HardwareController.o HeaderData.o IcomController.o K8055Controller.o LogEvent.o Logger.o MMDVMController.o Modem.o OutputQueue.o \
-	  RepeaterProtocolHandler.o SerialDataController.o SerialLineController.o SerialPortSelector.o SlowDataDecoder.o SlowDataEncoder.o \
-	  SoundCardController.o SoundCardReaderWriter.o SplitController.o TCPReaderWriter.o Timer.o UDPReaderWriter.o \
-	  URIUSBController.o Utils.o
+	  GPIOController.o HardwareController.o HeaderData.o IcomController.o K8055Controller.o LogEvent.o Logger.o MMDVMController.o \
+	  Modem.o OutputQueue.o RepeaterProtocolHandler.o SerialDataController.o SerialLineController.o SerialPortSelector.o \
+	  SlowDataDecoder.o SlowDataEncoder.o SoundCardController.o SoundCardReaderWriter.o SplitController.o TCPReaderWriter.o \
+	  Timer.o UDPReaderWriter.o UDRCController.o URIUSBController.o Utils.o
 
 all:		Common.a
 
diff --git a/Common/UDRCController.cpp b/Common/UDRCController.cpp
index 31808fd..61a0862 100644
--- a/Common/UDRCController.cpp
+++ b/Common/UDRCController.cpp
@@ -3,6 +3,8 @@
  *
  */
 
+#if defined(GPIO)
+
 #include <wiringPi.h>
 #include <errno.h>
 #include <stdlib.h>
@@ -119,6 +121,8 @@ void CUDRCController::switchMode(enum repeater_modes mode) {
 			::digitalWrite(EXT1_PIN, LOW);
 			::digitalWrite(EXT2_PIN, LOW);
 			break;
+		default:
+			break;
 	}
 }
 
@@ -132,12 +136,12 @@ bool CUDRCController::open()
 	if(m_mode != HOTSPOT) {
 		::pinMode(m_pttPin, OUTPUT);
 
-		for(int i = 0; i < ARRAY_SIZE(input_pins); ++i) {
+		for(unsigned int i = 0; i < ARRAY_SIZE(input_pins); ++i) {
 			::pinMode(input_pins[i], INPUT);
 			::pullUpDnControl(input_pins[i], PUD_UP);
 		}
 
-		for(int i = 0; i < ARRAY_SIZE(output_pins); ++i) {
+		for(unsigned int i = 0; i < ARRAY_SIZE(output_pins); ++i) {
 			::pinMode(output_pins[i], OUTPUT);
 			::digitalWrite(output_pins[i], HIGH);
 		}
@@ -213,3 +217,5 @@ void CUDRCController::close()
 	}
 }
 
+#endif
+
diff --git a/Common/UDRCController.h b/Common/UDRCController.h
index d7fc6a8..ad5e0f6 100644
--- a/Common/UDRCController.h
+++ b/Common/UDRCController.h
@@ -1,6 +1,8 @@
 #ifndef UDRCController_H
 #define UDRCController_H
 
+#if defined(GPIO)
+
 #include "ExternalController.h"
 
 enum repeater_modes {
@@ -30,4 +32,6 @@ private:
 	void switchMode(enum repeater_modes mode);
 };
 
+#endif
+
 #endif // UDRCController_H
diff --git a/Makefile.Pi b/Makefile.Pi
new file mode 100644
index 0000000..bf0a59d
--- /dev/null
+++ b/Makefile.Pi
@@ -0,0 +1,36 @@
+export DATADIR := "/usr/share/dstarrepeater"
+export LOGDIR  := "/var/log"
+export CONFDIR := "/etc"
+export BINDIR  := "/usr/bin"
+
+export CXX     := $(shell wx-config --cxx)
+export CFLAGS  := -O2 -Wall $(shell wx-config --cxxflags) -DLOG_DIR='$(LOGDIR)' -DCONF_DIR='$(CONFDIR)' -DDATA_DIR='$(DATADIR)' -DGPIO
+export GUILIBS := $(shell wx-config --libs adv,core,base) -lasound
+export LIBS    := $(shell wx-config --libs base) -lasound -lusb-1.0 -lwiringPi
+export LDFLAGS := 
+
+all:	DStarRepeater/dstarrepeaterd DStarRepeaterConfig/dstarrepeaterconfig
+
+DStarRepeater/dstarrepeaterd:	Common/Common.a
+	make -C DStarRepeater dstarrepeaterd
+
+DStarRepeaterConfig/dstarrepeaterconfig:	GUICommon/GUICommon.a Common/Common.a
+	make -C DStarRepeaterConfig
+
+GUICommon/GUICommon.a:
+	make -C GUICommon
+
+Common/Common.a:
+	make -C Common
+
+install:	all
+	make -C Data install
+	make -C DStarRepeater install
+	make -C DStarRepeaterConfig install
+
+clean:
+	make -C Common clean
+	make -C GUICommon clean
+	make -C DStarRepeater clean
+	make -C DStarRepeaterConfig clean
+