+# Download the po files from http://translationproject.org
+# The final action to this rule is to remove the .pot file. This
+# is because the po files must be re-merged against an updated version of it.
+PHONY += po-update
+po-update: $(POFILES)
+ for p in $^; do \
+ wget --recursive --level=1 --accept=po --no-directories --no-use-server-timestamps \
+ --directory-prefix=po -O ${top_srcdir}/$$p,tmp \
+ https://translationproject.org/latest/pspp/`basename $$p` ; \
+ mv ${top_srcdir}/$$p,tmp ${top_srcdir}/$$p; \
+ done
+ $(RM) $(POTFILE)