doc/examples/java-log4j/Makefile

   1 # SPDX-License-Identifier: LGPL-2.1-only
   2 #
   3 # Copyright (C) 2014 Christian Babeux <christian.babeux@efficios.com>
   4 #
   5 # This Makefile is not using automake so that users may see how to build a
   6 # program with tracepoint provider probes as stand-alone shared objects.
   7 #
   8 # This makefile is purposefully kept simple to support GNU and BSD make.
   9 #
  10
  11 # Required JAR files for Log4j
  12 JARFILE_LOG4J=lttng-ust-agent-log4j.jar
  13 JARFILE_COMMON=lttng-ust-agent-common.jar
  14
  15 # If system classpath is empty, try to guess log4j location
  16 ifeq "$(CLASSPATH)" ""
  17         CLASSPATH=/usr/local/share/java/log4j.jar:/usr/share/java/log4j.jar
  18 endif
  19
  20 # Check if the top level makefile overrides the Log4j Jar file's path.
  21 ifeq "$(JAVA_CLASSPATH_OVERRIDE_LOG4J)" ""
  22         LOG4J_CP = /usr/local/share/java/$(JARFILE_LOG4J):/usr/share/java/$(JARFILE_LOG4J)
  23 else
  24         LOG4J_CP = $(JAVA_CLASSPATH_OVERRIDE_LOG4J)/$(JARFILE_LOG4J)
  25 endif
  26
  27 # Check if the top level makefile overrides the Common Jar file's path.
  28 ifeq "$(JAVA_CLASSPATH_OVERRIDE_COMMON)" ""
  29         COMMON_CP = /usr/local/share/java/$(JARFILE_COMMON):/usr/share/java/$(JARFILE_COMMON)
  30 else
  31         COMMON_CP = $(JAVA_CLASSPATH_OVERRIDE_COMMON)/$(JARFILE_COMMON)
  32 endif
  33
  34 JFLAGS = -g
  35 JC = javac -classpath "$(CLASSPATH):$(LOG4J_CP):$(COMMON_CP):."
  36 .SUFFIXES: .java .class
  37 .java.class:
  38         $(JC) $(JFLAGS) $*.java
  39
  40 CLASSES = Hello.java
  41
  42 all: classes
  43
  44 classes: $(CLASSES:.java=.class)
  45
  46 .PHONY: clean
  47 clean:
  48         $(RM) *.class