TEXI2HTML_FLAGS += $(TEXI2HTML_LANG) $(DOCUMENTATION_INCLUDES)
TEXI2HTML = LANG= $(TEXI2HTML_PROGRAM)
-TEXI2PDF_FLAGS += --batch $(DOCUMENTATION_INCLUDES)
+TEXI2PDF_FLAGS += -q --batch $(DOCUMENTATION_INCLUDES)
TELY_FILES := $(call src-wildcard,*.tely)
MASTER_TEXI_FILES := $(TELY_FILES:%.tely=$(outdir)/%.texi)