+# $(TRANSLATE) -m $< -p po4a/$(@:.dbk=.po) -l $@ -a ?po4a/$(@:.dbk=.add)
+# workaround to "-a ?" only possible with po4a version in Squeeze, otherwise build is broken in Lenny
+ if [ -f po4a/$(@:.dbk=.add) ]; then \
+ $(TRANSLATE) -m $< -p po4a/$(@:.dbk=.po) -l $@ -a po4a/$(@:.dbk=.add); else \
+ $(TRANSLATE) -m $< -p po4a/$(@:.dbk=.po) -l $@; fi