-# comment these out if you don't want pfa's to be generated
-# or you don't have metapost.
-INSTALLATION_OUT_DIR4=$(datadir)/pfa
+# comment this out if you don't want pfa's to be generated
+# making pfas takes a lot of CPU time. Let's skip it for now.
+#MAKE_PFA_FILES=1
+
+ifdef MAKE_PFA_FILES
+PFA_FILES = $(addprefix $(outdir)/, $(FONT_FILES:.mf=.pfa))
+ALL_GEN_FILES += $(PFA_FILES) $(outdir)/lilypond.map
+INSTALLATION_OUT_DIR4=$(datadir)/fonts/type1