start java

rootfs_overlay/lkmc/java/Makefile

@@ -0,0 +1,40 @@
+IN_EXT ?= .java
+OUT_EXT ?= .class
+RUN ?= Main
+TEST ?= test
+
+OUTS := $(addsuffix $(OUT_EXT), $(basename $(wildcard *$(IN_EXT))))
+
+-include Makefile_params
+
+.PHONY: all clean run
+
+all:
+	javac *.java
+
+clean:
+	rm -f *$(OUT_EXT)
+
+run: all
+	java -ea $(RUN)
+
+test: all
+	@\
+	if [ -x $(TEST) ]; then \
+	  ./$(TEST) '$(OUTS)' ;\
+	else\
+	  fail=false ;\
+	  for t in $(basename $(OUTS)); do\
+	    if ! java -ea "$$t"; then \
+	      fail=true ;\
+	      break ;\
+	    fi ;\
+	  done ;\
+	  if $$fail; then \
+	    echo "TEST FAILED: $$t" ;\
+	    exit 1 ;\
+	  else \
+	    echo 'ALL TESTS PASSED' ;\
+	    exit 0 ;\
+	  fi ;\
+	fi ;\