# This filtering arranges that we can often run config.status to
# generate only particular output files. We look for *inputs* that
# have changed. If the only inputs that have changed are ones that we
-# know affect only one output (Subdir.mk.in and regen.mk.in), we pass
+# know affect only one output (Subdir.sd.mk and *.mk.in), we pass
# config.status the corresponding output file names. Otherwise we
# pass nothing and config.status does them all. We need to mention
-# regen.mk.in twice because if $(top_srcdir) is `.', make elides the
+# Subdir.sd.mk twice because if $(top_srcdir) is `.', make elides the
# directory part from $?.
./$(CONFIG_STATUS) $(if \
$(filter-out Subdir.sd.mk %/Subdir.sd.mk \