+.PHONY: extra
+extra:
+ $(MAKE) -C $(srcdir)/src extra
+ $(MAKE) -C $(srcdir)/test extra
+
+# If git describe works, force autoconf to run in order to make sure we have the
+# current version number from git in the resulting configure script.
+configure-version:
+ -cd $(srcdir) && git describe && autoconf --force
+
+# Triggering the README target means we are building a distribution (make dist).
+README: configure-version README.md
+ ln -sf README.md README
+
+CLEANFILES = README