diff --git a/src/Makefile.test.include b/src/Makefile.test.include
index d310290b4..1e3eaea88 100644
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -221,3 +221,12 @@ endif
 	 echo "};};"; \
 	} > "$@.new" && mv -f "$@.new" "$@"
 	@echo "Generated $@"
+
+%.raw.h: %.raw
+	@$(MKDIR_P) $(@D)
+	@{ \
+	 echo "static unsigned const char $(*F)[] = {" && \
+   $(HEXDUMP) -v -e '8/1 "0x%02x, "' -e '"\n"' $< | $(SED) -e 's/0x  ,//g' && \
+	 echo "};"; \
+	} > "$@.new" && mv -f "$@.new" "$@"
+	@echo "Generated $@"