doc-pdf-fop-xml: $(xml_sources) ${glibcxx_builddir}/doc/pdf
@echo "Generating pdf fop files from xml..."
$(FOP) $(FOP_FLAGS) -xml ${top_srcdir}/doc/xml/spine.xml \
doc-pdf-fop-xml: $(xml_sources) ${glibcxx_builddir}/doc/pdf
@echo "Generating pdf fop files from xml..."
$(FOP) $(FOP_FLAGS) -xml ${top_srcdir}/doc/xml/spine.xml \