SOURCES = $(wildcard *.tex)
PDF_VIEWER ?= okular

all: build.done
clean: clean.files
install:
distclean:

view: build.done
	$(PDF_VIEWER) main.pdf

build.done: $(SOURCES)
	pdflatex main.tex
	touch $@

clean.files:
	rm -rf *.aux *.log *.pdf *.done