pack = batata
all :: pdf
	@echo all ok

clean :
	rm -fv $(pack).pdf $(pack).ps $(pack).dvi $(pack).aux $(pack).log $(pack).blg
	@echo clean ok

pdf :   $(pack).pdf
	@echo pdf ok


$(pack).pdf : $(pack).tex *.tex  
	pdflatex $(pack)
	bibtex $(pack)
	bibtex $(pack)
	pdflatex $(pack)
	pdflatex $(pack)
