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

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 $<