* Makeconfig (%.v.i): Depend on Makeconfig.
Exclude % lines from initial #-comment removal.
# `FOO.v', and along with that `FOO.v.i' should be given dependencies
# listing both its input files, and any header files that it may reference
# (but no commands).
-%.v.i: $(common-objpfx)config.h
- sed 's/#.*$$//;/^[ ]*$$/d;s/^[ ]*%/#/' \
- $(filter-out FORCE %.h,$^) \
+%.v.i: $(common-objpfx)config.h $(..)Makeconfig
+ sed '/^[ ]*%/!s/#.*$$//;/^[ ]*$$/d;s/^[ ]*%/#/' \
+ $(filter-out FORCE %.h $(..)Makeconfig,$^) \
| $(CC) -E -undef $(CPPFLAGS) -x assembler-with-cpp - \
> $@T
mv -f $@T $@