depends libxml2 &&
depends raptor &&

optional_depends pcre "--with-regex-library=pcre" \
                      "--with-regex-library=posix" \
                      "for PCRE regex implementation [default]" &&

optional_depends redland "--with-triples-source=redland" \
                         "--with-triples-source=raptor" \
                         "to use redland as the triples source library"
