I would like to build a java jar file x.jar based on changes to
any .class files in subtree x . I tried the rule
%.jar: $(shell find $* -name \*.java | sed 's/\.java$$/.class/')
@$(RM) $@
$(JAR) cf $@ $^
but find doesn't like this. When I tried hardwiring the directory
as an experiment, like so
%.jar: $(shell find x -name \*.java | sed 's/\.java$$/.class/')
@$(RM) $@
$(JAR) cf $@ $^
it worked as expected. But it seems that $@ and $* are not
expanded on the target line (i.e. in the dependecies list)! (Hence
why find complains, I think.)
Is this correct behavior, or am I doing something wrong? How can I
get this to work -- it seems such a basic thing?
Please CC me, as I am not a member of this list. Thanks!
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