SOURCES               = $(wildcard *.tex)
PDF_VIEWER           ?= okular
MAIN                 ?= $(patsubst %.tex,%,$(firstword $(wildcard main.tex *.tex)))
MAIN_TEX              = $(MAIN).tex
OUT_PDF               = $(MAIN).pdf

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

pdf: build.done

view: build.done
	$(PDF_VIEWER) $(OUT_PDF)

build.done: $(SOURCES)
	pdflatex $(MAIN_TEX)
	test -e $(basename $(MAIN_TEX)).pdf
	if [ "$(basename $(MAIN_TEX)).pdf" != "$(OUT_PDF)" ]; then mv $(basename $(MAIN_TEX)).pdf $(OUT_PDF); fi
	touch $@

clean.files:
	rm -rf *.done *.aux *.log *.pdf *.nav *.out *.snm *.toc