+export PYTHONPATH:=$(top-build-dir)/python/$(outconfbase):$(PYTHONPATH)
+
+the-script-dir=$(wildcard $(script-dir))
+
+ABC2LY = $(script-dir)/abc2ly.py
+MIDI2LY = $(script-dir)/midi2ly.py
+MUSICXML2LY = $(script-dir)/musicxml2ly.py
+CONVERT_LY = $(script-dir)/convert-ly.py
+LILYPOND_BOOK = $(script-dir)/lilypond-book.py