COMMON_MK = $(shell bash -c 'upfind() { [[ -f "$$1" ]] && printf "$$1" || ([ "$$(realpath $$(dirname "$$1"))" == "/" ] || upfind "../$$1") }; upfind common.mk')
include $(COMMON_MK)

SRC := leicht.md schwer.md
HTML := $(SRC:.md=.html)

.PHONY: all
all: $(HTML) slides.pdf

%.html: %.md pandoc-template.html
	pandoc -s --template=pandoc-template.html $< -o $@

clean:
	rm -rf $(HTML)