d3version=2.8.1

targets=d3.v2.js d3.v2.min.js
gitignore=.d3

# Force creating the d3 directory before we even evaluate how to make d3.js
all: .d3/d3-$(d3version) .gitignore
	$(MAKE) $(targets)

distclean-hook: PHONY
	rm -rf .d3

####

d3.%: .d3/d3-$(d3version)/d3.% .d3/d3-$(d3version)/LICENSE Makefile
	@echo '[D3-HEADER] > $@'
	@echo '/* $@ - Data Driven Documents' > $@
	@echo ' * Version: $(d3version)' >> $@
	@echo ' * Homepage: http://mbostock.github.com/d3/' >> $@
	@echo ' * Copyright: 2010, Michael Bostock' >> $@
	@echo ' * Licence: 3-Clause BSD' >> $@
	@echo ' *' >> $@
	@sed 's/.*/ * &/' $(<D)/LICENSE >> $@
	@echo ' */' >> $@
	cat $< >> $@

.d3/d3-%.tar.gz: Makefile
	mkdir -p $(@D)
	wget https://github.com/mbostock/d3/tarball/v$* -O $@
.d3/d3-%.tar.gz.d: .d3/d3-%.tar.gz Makefile
	rm -rf $@
	mkdir -p $<.d
	cd $@ && tar xzf ../d3-$*.tar.gz
.d3/d3-%: .d3/d3-%.tar.gz.d Makefile
	rm -rf $@
	cp -r $</*/ $@
	rm $@/*.min.js

####

include ../../sitestatic/js.mk