makefile

.SUFFIXES: .java .class .jar

CP = -classpath .:classes:/opt/pi4j/lib/'*':/usr/share/java/'*'
JFLAGS = $(CP) -d .
JC = javac
JVM = java -jar
JAR = jar cvfm

SRC = \
    Core.java\
    Motor.java\
    PiBotCommunicator.java

MAIN = Core
MAINCLASS = $(MAIN).class
MAINJAR = $(MAIN).jar

CLASSES = $(SRC:.java=.class)

%.class: %.java
    $(JC) $(JFLAGS) $<

MANIFEST.MF:
    $(shell echo Main-Class: $(MAIN) > MANIFEST.MF)

$(MAINJAR): $(CLASSES) MANIFEST.MF
    $(JAR) $(MAINJAR) MANIFEST.MF $(CLASSES)

default: $(MAINJAR)

run: $(MAINJAR)
    $(JVM) $(MAINJAR)

clean:
    rm *.class $(MAINJAR) MANIFEST.MF

Core.jar: $(CLASSES)
Core.class: Motor.class PiBotCommunicator.class
Motor.class: PiBotCommunicator.class

Core.class: Core.java
Motor.class: Motor.java
PiBotCommunicator.class: PiBotCommunicator.java