Add Makefile for easy compile & run.

Makefile

@@ -0,0 +1,20 @@
+CC=clang
+
+FRAMEWORKS:= -framework Foundation -framework IOKit
+LIBRARIES:= -lobjc
+
+SOURCE=temp_sensor.m
+
+CFLAGS=-Wall -v $(SOURCE)
+LDFLAGS=$(LIBRARIES) $(FRAMEWORKS)
+OUT=-o temp_sensor
+
+build:
+	$(CC) $(CFLAGS) $(LDFLAGS) $(OUT)
+
+all: build
+
+run:
+	./temp_sensor | ./monitor.py
+
+.phony: build run