CURDOC=$(shell basename "$(CURDIR)")
STIMME=SOPRAN\|ALT\|TENOR\|BASS

ifeq ($(FUER),ewe)
  SPEZIFISCH=\#(set! paper-alist (cons '(\"kindle\" . (cons (* 210 mm) (* 130 mm))) paper-alist))\n\#(set-default-paper-size \"kindle\")
else
  SPEZIFISCH=
  # \#(set-global-staff-size 14)
endif

ifeq ($(MIDI),1)
  MIDI_REGEX=
else
  MIDI_REGEX=/\\\\midi/{ :a; s/\\\\midi[^{}]*{/\\\\midi/; tb; N; ba; :b; s/{[^{}]*}//; tb; s/\\\\midi[^{}]*}//; t; N; bb; }
endif

all: $(CURDOC).pdf
	pkill -SIGHUP -xf 'mupdf(-x11)? (.*/)?$<' || true

clean:
	rm -f *.pre

Clean: clean
	rm -f *.pdf *.midi

%.pre: %.ly
	sed " \
	  s@%spezifisch%@$(SPEZIFISCH)@; \
	  $(MIDI_REGEX); \
	  /%$(STIMME)%/{ \
	    s/%[A-Z]\+%//; \
	    p; \
	    d; \
	  }; \
	  /%[A-Z]\+%/d \
	" "$<" > "$@"

%.pdf %.midi: %.pre *.ly
	lilypond $<