DOCS:=asr
GREP?=grep
LATEX?=pdflatex
BIBTEX?=bibtex
BIBTEXFLAGS:=
MAKEGLOSSARIES?=makeglossaries
MAKEGLOSSARIESFLAGS?=
LATEXFLAGS:=-file-line-error -halt-on-error #-no-shell-escape

FIGURES:=$(addsuffix .png,$(addprefix img/,$(notdir $(basename $(wildcard fig/*.dot)))))
LISTINGS:=$(wildcard listings/*)
TEXS:=$(wildcard *.bib)
BIBS:=$(wildcard *.tex)

.PHONY: all clean
.SECONDARY: $(addsuffix .fmt,$(DOCS)) $(FIGURES)

all: $(addsuffix .pdf,$(DOCS))

%.fmt: %.pre
	$(LATEX) $(LATEXFLAGS) -ini -jobname="$(basename $@)" "&$(LATEX) $<\dump"

%.pdf: %.mlog
	if $(GREP) -iFq 'Rerun' $<; then $(LATEX) $(LATEXFLAGS) $(basename $<); fi

%.mlog: %.tex %.fmt $(BIBS) $(TEXS) $(FIGURES) $(LISTINGS)
	$(LATEX) $(LATEXFLAGS) $<
	if $(GREP) -q '^\\bibdata{' $(basename $<).aux; then $(BIBTEX) $(BIBTEXFLAGS) $(basename $<); fi
	if $(GREP) -q '\@istfilename' $(basename $<).aux; then $(MAKEGLOSSARIES) $(MAKEGLOSSARIESFLAGSFLAGS) $(basename $<); fi
	$(LATEX) $(LATEXFLAGS) $< | tee $@

img/%.png: fig/%.dot
	dot -Tpng $< > $@

clean:
	$(RM) $(foreach DOC,$(DOCS),$(addprefix $(DOC).,\
		acn acr alg aux bbl blg fmt glg glo gls ist lof log lol lot nav out\
		pdf run.xml snm tdo toc vrb xdy)) $(FIGURES)