-danti-alias-factor=$(ANTI_ALIAS_FACTOR)
ifdef QUIET_BUILD
-LILYPOND_BOOK_VERBOSE =
+LILYPOND_BOOK_WARN = --loglevel=NONE
else
-LILYPOND_BOOK_VERBOSE = --verbose
+LILYPOND_BOOK_WARN = --loglevel=WARN
endif
LILYPOND_BOOK_INFO_IMAGES_DIR = $(if $(INFO_IMAGES_DIR),--info-images-dir=$(INFO_IMAGES_DIR),)
-LILYPOND_BOOK_FLAGS = $(LILYPOND_BOOK_VERBOSE) $(LILYPOND_BOOK_INFO_IMAGES_DIR)
+LILYPOND_BOOK_FLAGS = $(LILYPOND_BOOK_WARN) $(LILYPOND_BOOK_INFO_IMAGES_DIR)
ifeq ($(out),)
LILYPOND_BOOK_PROCESS = true