-ABC2LY = $(shell $(SHELL) -c 'type -p abc2ly')
-CONVERT_LY = $(shell $(SHELL) -c 'type -p convert-ly')
-LILYPOND = $(shell $(SHELL) -c 'type -p lilypond')
-LILYPOND_BOOK = $(shell $(SHELL) -c 'type -p lilypond-book')
-LILYPOND_BOOK_INCLUDES = -I. -I.. -I$(outdir)
-LY2DVI = $(shell $(SHELL) -c 'type -p ly2dvi')
-LYS_TO_TELY = $(shell $(SHELL) -c 'type -p lys-to-tely')
-PS_TO_GIFS = $(shell $(SHELL) -c 'type -p ps-to-gifs')
-PS_TO_PNGS = $(shell $(SHELL) -c 'type -p ps-to-pngs')
-
-endif
+LILYPOND_BOOK_INCLUDES = -I $(src-dir)/ -I $(outdir) -I $(input-dir) -I $(input-dir)/regression/ -I $(input-dir)/manual/ -I $(input-dir)/tutorial/ -I $(top-build-dir)/mf/$(outconfbase)/ -I $(top-build-dir)/mf/out/ -I $(input-dir)/lsr/
+
+## override from cmd line to speed up.
+ANTI_ALIAS_FACTOR=2
+LILYPOND_JOBS=$(if $(CPU_COUNT),-djob-count=$(CPU_COUNT),)
+LILYPOND_BOOK_LILYPOND_FLAGS=-dbackend=eps --formats=ps,png,pdf $(LILYPOND_JOBS) -dinclude-eps-fonts -dgs-load-fonts --header=texidoc -I $(top-src-dir)/input/manual -dcheck-internal-types -ddump-signatures -danti-alias-factor=$(ANTI_ALIAS_FACTOR)
+LILYPOND_BOOK_VERBOSE = --verbose
+LILYPOND_BOOK_INFO_IMAGES_DIR = $(if $(INFO_IMAGES_DIR),--info-images-dir=$(INFO_IMAGES_DIR),)
+LILYPOND_BOOK_FLAGS = --process="$(LILYPOND_BINARY) $(LILYPOND_BOOK_LILYPOND_FLAGS)" $(LILYPOND_BOOK_VERBOSE) $(LILYPOND_BOOK_INFO_IMAGES_DIR)
+TEXINPUTS=$(top-src-dir)/tex/::
+export TEXINPUTS
+
+#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