Build fails 5.10 [Solved]

Sorry to post this, i need help to figure out what's wrong

Mint 13 (ubuntu 12.04) x64

/usr/local/lib/liblilv-0.so: undefined reference to `serd_chunk_sink_finish'
/usr/local/lib/liblilv-0.so: undefined reference to `serd_strtod'
/usr/local/lib/liblilv-0.so: undefined reference to `sord_get'
/usr/local/lib/liblilv-0.so: undefined reference to `sord_ask'
/usr/local/lib/libsratom-0.so: undefined reference to `serd_base64_decode'
/usr/local/lib/liblilv-0.so: undefined reference to `sord_iter_get_node'
/usr/local/lib/libsratom-0.so: undefined reference to `serd_node_new_blob'
/usr/local/lib/liblilv-0.so: undefined reference to `serd_node_new_integer'
/usr/local/lib/libsratom-0.so: undefined reference to `serd_file_uri_parse'
/usr/local/lib/liblilv-0.so: undefined reference to `sord_search'
/usr/local/lib/liblilv-0.so: undefined reference to `serd_node_new_file_uri'
/usr/local/lib/liblilv-0.so: undefined reference to `serd_node_new_decimal'
/usr/local/lib/liblilv-0.so: undefined reference to `serd_file_sink'
/usr/local/lib/liblilv-0.so: undefined reference to `serd_writer_get_env'
/usr/local/lib/liblilv-0.so: undefined reference to `serd_chunk_sink'
collect2: ld returned 1 exit status
make[2]: *** [qtractor] Error 1
make[2]: Leaving directory `/home/xxxxx/Downloads/qtractor-0.5.10/src'
make[1]: *** [sub-src-make_default] Error 2
make[1]: Leaving directory `/home/xxxxxx/Downloads/qtractor-0.5.10'
make: *** [src/qtractor] Error 2

Any help appreciated