O := .tmp

R2B := ./rst2beamer.py
R2BTHEME := Luca
R2BFLAGS :=  --halt=2 --lang es --codeblocks-use-pygments \
	--input-encoding=utf-8 --output-encoding=utf-8 \
	--overlaybullets= \
	--theme $(R2BTHEME)
R2BFILTER := sed '/\\usepackage\[scaled=\.90\]{helvet}/d; \
	s/\\usepackage\[utf8\]{inputenc}/\\usepackage[utf8x]{inputenc}/; \
	s/\\institute{\(.*\)}/\\institute[FIUBA]{\1}/'

DOT := dot
DOTFLAGS :=

PDFLATEX := pdflatex
PDFLATEXFLAGS := -halt-on-error -file-line-error

PLOTS := stw pause time mem
PROGS := bigarr conalloc concpu mcore rnddata sbtree split \
		bh bisort em3d tsp voronoi dil

STATS := ./stats.py
TEMPLITE := ./templite.py

AWK := awk
EPSTOPDF := epstopdf
GNUPLOT := gnuplot

comma := ,

imgs := $O/img/mark-sweep-0.pdf \
	$(patsubst %.dot,$O/%.pdf,$(wildcard img/mark-sweep-*.dot)) \
	$(patsubst %,$O/img/norm-hist-%.pdf,$(PLOTS))

# Verbosity flag (empty show nice messages, non-empty use make messages)
# When used internal, $V expand to @ is nice messages should be printed, this
# way it's easy to add $V in front of commands that should be silenced when
# displaying the nice messages.
override V := $(if $V,,@)
# honour make -s flag
override V := $(if $(findstring s,$(MAKEFLAGS)),,$V)

targets := presentacion.pdf

.PHONY: all
all: $(targets)

%.pdf: $O/%.tex
	$(if $V,@echo "$(PDFLATEX) $< > $@")
	$V cd $O && $(PDFLATEX) $(PDFLATEXFLAGS) $(<F) $(if $V,> $@.log)
	$V cd $O && $(PDFLATEX) $(PDFLATEXFLAGS) $(<F) $(if $V,>> $@.log)
	$V mv $O/$@ $@

presentacion.pdf: $(imgs)

$O/%.tex: %.rst $(R2B) $O/beamerthemeLuca.sty
	$(if $V,@echo "$(R2B) $< > $@")
	$V $(R2B) $(R2BFLAGS) $< | $(R2BFILTER) > $@

$O/img/%.pdf: img/%.dot
	$(DOT) $(DOTFLAGS) -Tpdf -o $@ $<

$O/img/norm-hist-%.csv: img/raw-hist-%.csv
	$(if $V,@echo "norm $< > $@")
	$V $(AWK) -F, -v m=`cut -d, -f4 $< | $(STATS) '$$1' '%(max)s'` \
		'{print $$1 "," $$2/m "," $$3/m "," $$4/m "," $$5/m}' \
			$< > $@

$O/img/norm-hist-%.eps: $(patsubst %,$O/img/norm-hist-\%-%.csv,$(PROGS))
	$(if $V,@echo "plot $< > $@")
	$V $(TEMPLITE) "progs=($(patsubst %,'%'$(comma),$(PROGS))), " \
			"files=($(patsubst %,'%'$(comma),$^))" \
			< histogram-plot.tpl.gpi | $(GNUPLOT) > $@

$O/img/norm-hist-%.pdf: $O/img/norm-hist-%.eps
	$(EPSTOPDF) --outfile=$@ $<

$O/img/%.pdf: img/%.pdf
	cp $< $@

$O/%.sty: %.sty
	cp $< $@

.PHONY: clean
clean:
	$(RM) -r $O

.PHONY: clean-all
clean-all: clean
	$(RM) $(targets)

__dummy := $(shell mkdir -p $O/img)