CURDOC=$(shell basename "$(CURDIR)")
STROPHEN=1\?[1-9]

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

all: $(CURDOC).pdf

clean:
	rm -f *.pre

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

%.pre: %.ly
	sed " \
	  s@%spezifisch%@$(SPEZIFISCH)@; \
	  /%STR_\($(STROPHEN)\)%/{ \
	    s/%[A-Z_0-9]\+%//; \
	    p; \
	    d; \
	  }; \
	  /%[A-Z_0-9]\+%/d \
	" "$<" > "$@"

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