-
MF_FILES := $(call src-wildcard,*.mf)
-EXTRA_DIST_FILES += $(MF_FILES)
MF_TFM_FILES = $(addprefix $(outdir)/, $(FONT_FILES:.mf=.tfm))
MF_DVI_FILES = $(addprefix $(outdir)/, $(FONT_FILES:.mf=.dvi))
MF_LOG_FILES = $(addprefix $(outdir)/, $(FONT_FILES:.mf=.log))
--family=$(notdir $(<:%.mf=%)) \
--fullname=$(notdir $(<:%.mf=%)) \
--name=$(notdir $(<:%.mf=%))
+
+ifdef QUIET_BUILD
+METAFONT_QUIET = >/dev/null
+else
+METAFONT_QUIET =
+endif
+
+# Find the metafont file $(1) within the source dirs and return its path.
+# If not found, return $(outdir)/$(1) assuming that it is a generated file.
+find-mf = \
+$(firstword \
+ $(wildcard $(src-dir)/$(1)) \
+ $(wildcard $(top-src-dir)/mf/$(1)) \
+ $(outdir)/$(1) \
+)
+
+# Recursively scan the metafont .mf file $(1) for "input X;"
+# and return all dependencies.
+scan-mf = \
+$(foreach f, $(shell test -f $(1) && sed -ne "/^[[:space:]]*input[[:space:]]/s/^[[:space:]]*input\([^.;]*\)\(.mf;\|;\)/\1.mf/p" $(1)), \
+ $(call find-mf,$(f)) \
+ $(call scan-mf,$(call find-mf,$(f))) \
+)
+
+# Find dependencies for the target $@, based on the metafont source file $<,
+# and write the dependencies to a .dep file. We cannot strip the extension of $@,
+# because we have multiple rules generating .dep files.
+DO_MF_DEP = ( echo ./$@: $(call scan-mf,$<) > $@.dep ) &&