include files.mk
main:
	@echo Compiling main ...
files.mk: $(shell ls -t src/*.tex | head -n 1)
	ls src/*.tex | sed 's#src/\(.*\)\.tex#\1.pdf:#' > files.mk
%.pdf: src/%.tex
	@echo pdflatex ...
clean:
	rm -f files.mk *.pdf
prepare:
	mkdir -p src
	touch src/1.tex src/2.tex src/3.tex
	$(MAKE) files.mk