-quiet_cmd_logo_gray256 = GRAY256 $@
- cmd_logo_gray256 = scripts/pnmtologo -t gray256 -n $*_gray256 -o $@ $<
+# Create commands like "pnmtologo -t mono -n logo_mac_mono -o ..."
+quiet_cmd_logo = LOGO $@
+ cmd_logo = scripts/pnmtologo \
+ -t $(patsubst $*_%,%,$(notdir $(basename $<))) \
+ -n $(notdir $(basename $<)) -o $@ $<
+
+$(obj)/%_mono.c: $(src)/%_mono.pbm FORCE
+ $(call if_changed,logo)
+
+$(obj)/%_vga16.c: $(src)/%_vga16.ppm FORCE
+ $(call if_changed,logo)
+
+$(obj)/%_clut224.c: $(src)/%_clut224.ppm FORCE
+ $(call if_changed,logo)