PDFLATEX		?= pdflatex
XELATEX			?= xelatex
LUALATEX		?= lualatex

export TEXINPUTS	:= $(CURDIR)/src//:$(TEXINPUTS)

cmd%pdflatex		 = $(PDFLATEX)
cmd%xelatex		 = $(XELATEX)
cmd%lualatex		 = $(LUALATEX)

engines			 = pdflatex xelatex lualatex
targets			 = minimal minimal_handout tutorial

%/minimal: src
	@mkdir -p $(@D)
	cd $(@D) && $(cmd%$*) ../../minimal/minimal.tex

%/minimal_handout: src
	@mkdir -p $(@D)
	cd $(@D) && $(cmd%$*) ../../minimal/minimal_handout.tex

%/tutorial: src %/minimal %/minimal_handout
	@mkdir -p $(@D)
	cd $(@D) && $(cmd%$*) ../../tutorial/tutorial.tex


all: $(engines)

$(foreach engine,$(engines),$(eval $(engine): $(patsubst %,$(engine)/%,$(targets))))

src:
	mkdir -p $@
	cd $@ && ln -s ../../*.sty ../../*.pdf .

clean:
	$(RM) -r src
	$(RM) -r $(engines)