1 files changed, 4 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index d52f7b7..39aa27c 100644
--- a/Makefile
+++ b/Makefile
@@ -7,4 +7,7 @@ MONITOR_PORT	 ?= /dev/ttyACM0
 ARDUINO_LIBS = BLE SPI
 
 ARDMK_DIR ?= /usr/share/arduino
-include $(ARDMK_DIR)/Arduino.mk
+-include $(ARDMK_DIR)/Arduino.mk
+
+$(ARDMK_DIR)/Arduino.mk:
+	@if [ ! -r $(ARDMK_DIR)/Arduino.mk ]; then echo "You need to install the arduino-mk package"; exit 1; fi