-# huh ? these are for documentation?!
-TELY_FILES := $(wildcard *.tely)
-ITELY_FILES := $(wildcard *.itely)
-ITEXI_FILES := $(wildcard *.itexi)
-LY_FILES := $(wildcard *.ly)
+OMF_FILES += $(foreach format, html pdf, $(foreach f, $(TELY_FILES), $(outdir)/$(f:.tely=.$(format)).omf))
+
+ITELY_FILES := $(call src-wildcard,*.itely)
+ITEXI_FILES := $(call src-wildcard,*.itexi)
+LY_FILES := $(call src-wildcard,*.ly)
+ILY_FILES := $(call src-wildcard,*.ily)