-idn_cmd.c idn_cmd.h: idn.ggo Makefile.am
+# pattern rule (%) needed for parallel make (-j)
-+idn_cmd%c idn_cmd%h: idn.ggo Makefile.am
++idn_cmd%c idn_cmd%h: idn.ggo
gengetopt --unamed-opts --no-handle-version --no-handle-help \
--set-package="idn" \
--input $^ --file-name idn_cmd
-idn_cmd.c idn_cmd.h: idn.ggo Makefile.am
+# pattern rule (%) needed for parallel make (-j)
-+idn_cmd%c idn_cmd%h: idn.ggo Makefile.am
++idn_cmd%c idn_cmd%h: idn.ggo
gengetopt --unamed-opts --no-handle-version --no-handle-help \
--set-package="idn" \
--input $^ --file-name idn_cmd