+### Other utilities.
+
+## A list of diversions in ascending numerical order.
+CLEANFILES += divs
+divs: $(M4_SOURCES) $(addsuffix .m4,$(HOSTS))
+ $(V_GEN)grep -n m4_divert $^ | \
+ grep -v 'm4_divert(-1)' | \
+ sort -t\( -k2n >$@
+
+###--------------------------------------------------------------------------