JAVA_COMPILER=javac
  SOURCE_DIR=src
  BIN_DIR=bin
  JAR_FILE=java-online-audio-client.jar
  
  
  SOURCES = $(wildcard $(SOURCE_DIR)/*.java)
  CLASSES = $(patsubst $(SOURCE_DIR)/%.java, $(BIN_DIR)/%.class, $(SOURCES))
  
  all: $(JAR_FILE)
  
  $(JAR_FILE): $(CLASSES)
  	jar -cmf MANIFEST.MF $(JAR_FILE) -C $(BIN_DIR) .
  	chmod +x $(JAR_FILE)
  
  $(BIN_DIR)/%.class: $(SOURCE_DIR)/%.java
  	javac -d $(BIN_DIR) $(SOURCE_DIR)/*.java
  
  clean:
  	rm -f bin/*.class
  	rm -f $(JAR_FILE)