+##
+## settings to run LilyPond
-export PATH:=$(topdir)/lily/out:$(topdir)/buildscripts/out:$(PATH)
-export MFINPUTS:=$(topdir)/mf/$(PATHSEP)$(MFINPUTS)$(PATHSEP)$(PATHSEP)
-export TEXINPUTS:=$(topdir)/mf/out/$(PATHSEP)$(topdir)/tex/$(PATHSEP)$(topdir)/ps/$(PATHSEP)$(TEXINPUTS)$(PATHSEP)..$(PATHSEP)$(PATHSEP)
-export LILYINCLUDE:=$(topdir)/ps$(PATHSEP)$(topdir)/scm$(PATHSEP)$(topdir)/ly$(PATHSEP)$(topdir)/mf/out$(PATHSEP)$(PATHSEP)$(TEX_TFMDIR)$(PATHSEP)$(LILYINCLUDE)
+# environment settings.
+export PATH:=$(top-build-dir)/lily/$(outconfbase):$(top-build-dir)/buildscripts/$(outconfbase):$(top-build-dir)/scripts/$(outconfbase):$(PATH):
+export LILYPONDPREFIX:=$(build_lilypond_datadir)/$(TOPLEVEL_VERSION)
+export PYTHONPATH:=$(top-build-dir)/python/$(outconfbase):$(PYTHONPATH)
+export DVIPSHEADERS:=$(top-build-dir)/mf/out::
+the-script-dir=$(wildcard $(script-dir))
-export LILYPONDPREFIX:=$(depth)/
+ABC2LY = $(script-dir)/abc2ly.py
+CONVERT_LY = $(script-dir)/convert-ly.py
+LILYPOND = $(top-build-dir)/lily/$(outconfbase)/lilypond
+LILYPOND_BOOK = $(script-dir)/lilypond-book.py
+LILYPOND_BOOK_INCLUDES = -I $(src-dir)/ -I $(outdir) -I$(input-dir) -I $(input-dir)/regression/ -I $(input-dir)/test/ -I $(input-dir)/tutorial/ -I $(top-build-dir)/mf/$(outconfbase)/ -I $(top-build-dir)/mf/out/
+LILYPOND_BOOK_FLAGS = --process="$(LILYPOND) --backend=eps --formats=ps,png --header=texidoc -I $(top-src-dir)/input/test -dinternal-type-checking -danti-alias-factor=2 -dgs-font-load"
+
+
+#texi-html for www only:
+LILYPOND_BOOK_FORMAT=$(if $(subst out-www,,$(notdir $(outdir))),texi,texi-html)
+LY2DVI = $(LILYPOND)
+LYS_TO_TELY = $(buildscript-dir)/lys-to-tely.py