# 'simulate' automake environment
jardir = $(datadir)/java
srcdir=../maktest
MKDIR_P=mkdir -p

VPATH=.:$(srcdir)

all: foo.jar

##
## The makefile.am `equivalent' stuff
##
## This user has chosen to make it gnu-make only.
##
jar_JARS=foo.jar

# sources, all relative to '.'
foo_jar_SOURCES = $(shell cd $(srcdir) ; find src -name '*.java')
# 'generated' sources
foo_jar_SOURCES += stuff.java

# resources all relative to '.'
foo_jar_RESOURCES_PREFIX = src res
foo_jar_RESOURCES = $(shell cd $(srcdir) ; find src res -name '*.txt' -o -name '*.jpg' )
# 'generated' resources
foo_jar_RESOURCES += a.txt b.txt c.txt
foo_jar_MANIFEST = manifest
foo_jar_MAIN = au.notzed.stuff.Main

# build classpath
foo_jar_LIBADD = lib/jjmpeg.jar lib/test.jar

# "custom" targets
a.txt b.txt c.txt:
	touch $@

stuff.java:
	echo "class stuff { }" > stuff.java

##
## the jars.am fragment for foo.jar
##

# windows needs ;, of course ...
# automake.in generates this from LIBADD?
foo_jar_CLASSPATH=lib/jjmpeg.jar:lib/test.jar

foo_jar.stamp: $(foo_jar_SOURCES) $(foo_jar_LIBADD)
	rm -rf build/classes/foo_jar
	$(MKDIR_P) build/classes/foo_jar
	clist=""; \
	slist='$(foo_jar_SOURCES)' ; \
	for n in $$slist ; do \
		if test -f $$n ; then \
			clist="$$clist $$n" ; \
		else \
			clist="$$clist $(srcdir)/$$n" ; \
		fi ; \
	done; \
	echo compiling: $$clist; \
	javac -cp $(foo_jar_CLASSPATH) -d build/classes/foo_jar $$clist
	touch $@

# the complexity here is due to

# a) having to walk the 'VPATH' manually
# b) having to remap the relative roots of resources to the jar file root
# c) portable shell & tools

foo.jar: foo_jar.stamp $(foo_jar_RESOURCES) $(foo_jar_MANIFEST)
	rlist='$(foo_jar_RESOURCES)'; \
	clist=""; \
	for n in $$rlist ; do \
		found=0; \
		for p in $(foo_jar_RESOURCES_PREFIX) ; do \
			t=`echo $$n | sed "address@hidden/@@"` ; \
			if test $$t != $$n ; then \
				if test -f $$n ; then \
					clist="$$clist -C $$p $$t" ; \
				else \
					clist="$$clist -C $(srcdir)/$$p $$t" ; \
				fi ;\
				found=1 ; \
				break ; \
			fi ; \
		done ; \
		if test $$found -eq 0 ; then \
			if test -f $$n ; then \
				clist="$$clist $$n" ; \
			else \
				clist="$$clist $(srcdir)/$$n" ; \
			fi ;\
		fi ; \
	done ; \
	flags="cf" ; \
	files="$@" ; \
	if test -n "$(foo_jar_MANIFEST)" ; then \
		flags="$${flags}m"; \
		if test -f "$(foo_jar_MANIFEST)" ; then \
			files="$$files $(foo_jar_MANIFEST)" ; \
		else \
			files="$$files $(srcdir)/$(foo_jar_MANIFEST)" ; \
		fi; \
	fi ; \
	if test -n "$(foo_jar_MAIN)" ; then \
		flags="$${flags}e" ;\
		files="$$files $(foo_jar_MAIN)" ; \
	fi; \
	echo "jar $$flags $$files $$clist" ; \
	jar $$flags $$files -C build/classes/foo_jar . $$clist || ( rv=$$?; rm -f $@ ; exit $$rv )