ifeq ($(LILYPOND_EXTERNAL_BINARY),)
# environment settings.
-export PATH:=$(top-build-dir)/lily/$(outconfbase):$(top-build-dir)/buildscripts/$(outconfbase):$(top-build-dir)/scripts/$(outconfbase):$(PATH):
+export PATH:=$(top-build-dir)/lily/$(outconfbase):$(buildscript-dir):$(top-build-dir)/scripts/$(outconfbase):$(PATH):
export LILYPOND_BINARY=$(top-build-dir)/$(outconfbase)/bin/lilypond
else
#texi-html for www only:
LILYPOND_BOOK_FORMAT=$(if $(subst out-www,,$(notdir $(outdir))),texi,texi-html)
LY2DVI = $(LILYPOND_BINARY)
-LYS_TO_TELY = $(buildscript-dir)/lys-to-tely.py
+LYS_TO_TELY = $(buildscript-dir)/lys-to-tely