DOCS:=thesis
GREP?=grep
LATEX?=pdflatex
BIBTEX?=bibtex
BIBTEXFLAGS:=
MAKEGL?=makeglossaries
MAKEGLFLAGS?=
MAKEIDX?=makeindex
MAKEIDXFLAGS?=
DOT?=dot
DOTFLAGS?=-Tpng
LATEXFLAGS:=-file-line-error -halt-on-error

FIGURES:=$(patsubst fig/%.dot,img/%.png,$(wildcard fig/*.dot))
LISTINGS:=$(wildcard listings/*)
TEXS:=$(wildcard *.bib)
BIBS:=$(wildcard *.tex)

.PHONY: all clean
.SECONDARY: $(DOCS:%=%.fmt) $(FIGURES)

all: $(DOCS:%=%.pdf)

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

%.pdf: %.mlog
	if grep -Fiq "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 $(MAKEGL) $(MAKEGLFLAGS) $(basename $<); fi
	if [ -f $(basename $<).idx ]; then $(MAKEIDX) $(MAKEIDXFLAGS) $(basename $<); fi
	$(LATEX) $(LATEXFLAGS) $< | tee $@

img/%.png: fig/%.dot
	$(DOT) $(DOTFLAGS) $< > $@

clean: $(DOCS:%=clean-%)
	$(RM) $(FIGURES)

clean-%:
	$(RM) $(addprefix $(@:clean-%=%).,acn acr alg aux bbl blg idl idx ilg ind\
	fmt glg glo gls ist loa lof log lol lot mlog nav out pdf snm tdo toc)