-export PATH:=$(abs-builddir)/lily/$(outconfbase):$(abs-builddir)/buildscripts/$(outconfbase):$(PATH)
-
-# LilyPond is often run from within $(outdir), making a relative
-# PREFIX incorrect.
-export LILYPONDPREFIX:=$(shell cd $(depth)/$(builddir)/share/lilypond/$(TOPLEVEL_VERSION); pwd)
-
-export PYTHONPATH:=$(topdir)/python:$(PYTHONPATH)
-
-## arg, TEXINPUTS, TFMFONTS, MFINPUTS may still override and thus break this
-export TEXMF:={$(LILYPONDPREFIX),$(shell kpsexpand \$$TEXMF)}
-
-export MFINPUTS:=
-export TEXINPUTS:=
-export TFMFONTS:=
-
-
-export extra_mem_top=1000000
-export extra_mem_bottom=1000000
-export pool_size=250000
-
-
-ifdef DEB_BUILD
-export PKFONTS := $(topdir)/mf/out
-export MT_DESTROOT := $(topdir)/mf/out
-export DVIPSMAKEPK := mktexpk --destdir $(topdir)/mf/out
+#export PATH:=$(dir $(LILYPOND_EXTERNAL_BINARY)):$(PATH)
+export LILYPOND_BINARY=$(LILYPOND_EXTERNAL_BINARY)