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path: root/rules/jlex/Makefile
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DESTDIR ?=
JAR_DIR ?= /usr/share/java

FAIL    = exit 1
INSTALL = install
JAR     = jar
JAVAC   = javac
MKDIRS  = mkdir -p
RM      = rm -f
TOUCH   = touch

all: PHONY jlex.jar

jlex.jar: classes
	$(JAR) cfe $@ JLex.Main -C $< .

classes: Main.java
	$(RM) -r $@
	$(MKDIRS) $@
	$(JAVAC) -d $@ $< || { $(RM) -r $@; $(FAIL); }
	$(TOUCH) $@

install: PHONY $(DESTDIR)$(JAR_DIR)/jlex.jar

$(DESTDIR)$(JAR_DIR)/%.jar: %.jar
	$(INSTALL) -Dm644 $< $@

clean: PHONY
	$(RM) -r -- build *.jar

.PHONY: PHONY
.DELETE_ON_ERROR:
.SECONDARY: