.PHONY: all

PATCHES := $(wildcard *.patch)
SOURCES := build/$(SOURCE) $(patsubst %.patch,build/%.tex,$(PATCHES))
DOCUMENTS := \
	$(patsubst build/%.tex,build/%.pdf,$(SOURCES)) \
	$(patsubst build/%.tex,build/%_notes.pdf,$(SOURCES))

all: $(DOCUMENTS)
	mkdir -p ../documents && mv $^ ../documents

build:
	mkdir build

build/%.tex: %.patch build
	cp $(SOURCE) $@
	patch $@ $<

build/%.tex: %.tex build
	cp $< $@

build/%_notes.tex: build/%.tex
	cat $< | sed -e 's/{hide notes}/{show notes on second screen}/' > $@

build/%.pdf: build/%.tex
	pdflatex -output-directory build $<