+# Define a bunch of fake programs which will ensure Automake produces the
+# necessary dirstamp rules, as unfortunately we cannot know in advance which
+# will be generated, and the usual Automake behaviour where generated rules
+# are suppressed by rules in Makefile.am doesn't actaully work for these.
+print <<EOF foreach (keys %gl_dirstamps);
+EXTRA_PROGRAMS += $_/gl-dirstamp
+${\(y|/|_|r)}_gl_dirstamp_SOURCES =
+EOF
+