Guarda ho dato un'occhiata veloce. Io non sto sull'ultima current ma ho notato questo:
pacchetto liblastfm (solo la parte interessante) del mio sistema (non aggiornato):
usr/include/lastfm/Mbid
usr/include/lastfm/Album
usr/include/lastfm/InternetConnectionMonitor
usr/include/lastfm/ws.h
usr/include/lastfm/global.h
usr/include/lastfm/Audioscrobbler
usr/include/lastfm/UrlBuilder
usr/include/lastfm/FingerprintableSource
usr/include/lastfm/Fingerprint
usr/include/lastfm/MutableTrack
usr/include/lastfm/FingerprintId
usr/include/lastfm/ScrobblePoint
usr/include/lastfm/Artist
usr/include/lastfm/Track
usr/include/lastfm/Scrobble
usr/include/lastfm/NetworkAccessManager
usr/include/lastfm/User
usr/include/lastfm/XmlQuery
usr/include/lastfm/misc.h
usr/include/lastfm/ParseError
usr/include/lastfm/RadioTuner
usr/include/lastfm/Tag
usr/include/lastfm/AuthenticatedUser
usr/include/lastfm/RadioStation
usr/include/lastfm/Playlist
usr/include/lastfm/Xspf
usr/include/lastfm/ScrobbleCache
pacchetto della current, preso dal MANIFEST:
drwxr-xr-x root/root 0 2012-08-14 11:22 usr/include/lastfm/
-rw-r--r-- root/root 1527 2012-06-18 05:37 usr/include/lastfm/Chart.h
-rw-r--r-- root/root 1340 2012-06-18 05:37 usr/include/lastfm/NetworkConnectionMonitor.h
-rw-r--r-- root/root 1106 2012-06-18 05:37 usr/include/lastfm/Tasteometer.h
-rw-r--r-- root/root 1610 2012-06-18 05:37 usr/include/lastfm/FingerprintableSource.h
-rw-r--r-- root/root 1661 2012-06-18 05:37 usr/include/lastfm/ScrobbleCache.h
-rw-r--r-- root/root 2495 2012-06-18 05:37 usr/include/lastfm/UrlBuilder.h
-rw-r--r-- root/root 5202 2012-06-18 05:37 usr/include/lastfm/User.h
-rw-r--r-- root/root 2061 2012-06-18 05:37 usr/include/lastfm/Tag.h
-rw-r--r-- root/root 1022 2012-06-18 05:37 usr/include/lastfm/Auth.h
-rw-r--r-- root/root 1722 2012-06-18 05:37 usr/include/lastfm/ScrobblePoint.h
-rw-r--r-- root/root 1421 2012-06-18 05:37 usr/include/lastfm/Playlist.h
-rw-r--r-- root/root 1874 2012-06-18 05:37 usr/include/lastfm/RadioTuner.h
-rw-r--r-- root/root 2571 2012-06-18 05:37 usr/include/lastfm/Album.h
-rw-r--r-- root/root 3138 2012-06-18 05:37 usr/include/lastfm/RadioStation.h
-rw-r--r-- root/root 2513 2012-06-18 05:37 usr/include/lastfm/Audioscrobbler.h
-rw-r--r-- root/root 1330 2012-06-18 05:37 usr/include/lastfm/Xspf.h
-rw-r--r-- root/root 3335 2012-06-18 05:37 usr/include/lastfm/Fingerprint.h
-rw-r--r-- root/root 2365 2012-06-18 05:37 usr/include/lastfm/global.h
-rw-r--r-- root/root 2456 2012-06-18 05:37 usr/include/lastfm/XmlQuery.h
-rw-r--r-- root/root 9593 2012-06-18 05:37 usr/include/lastfm/Track.h
-rw-r--r-- root/root 3439 2012-06-18 05:37 usr/include/lastfm/Artist.h
-rw-r--r-- root/root 2120 2012-06-18 05:37 usr/include/lastfm/NetworkAccessManager.h
-rw-r--r-- root/root 1972 2012-06-18 05:37 usr/include/lastfm/InternetConnectionMonitor.h
-rw-r--r-- root/root 2022 2012-06-18 05:37 usr/include/lastfm/Library.h
-rw-r--r-- root/root 1464 2012-06-18 05:37 usr/include/lastfm/AbstractType.h
-rw-r--r-- root/root 1718 2012-06-18 05:37 usr/include/lastfm/FingerprintId.h
-rw-r--r-- root/root 5269 2012-06-18 05:37 usr/include/lastfm/ws.h
-rw-r--r-- root/root 1404 2012-06-18 05:37 usr/include/lastfm/Mbid.h
-rw-r--r-- root/root 1603 2012-06-18 05:37 usr/include/lastfm/misc.h
Come vedi nel nuovo pacchetto tutte quelle librerie hanno l'estensione ".h".
Ora non so se il problema è della current o di clementine che non è aggiornato alle nuove liblastfm.
Se ti va puoi provare a modificare i sorgenti di Clementine per fargli vedere quei file:
rock@localhost:~/clementine-1.0.1 $ grep "lastfm/" src/internet/lastfm* | grep include
src/internet/lastfmservice.cpp:#include <lastfm/Audioscrobbler>
src/internet/lastfmservice.cpp:#include <lastfm/misc.h>
src/internet/lastfmservice.cpp:#include <lastfm/RadioStation>
src/internet/lastfmservice.cpp:#include <lastfm/Scrobble>
src/internet/lastfmservice.cpp:#include <lastfm/ScrobbleCache>
src/internet/lastfmservice.cpp:#include <lastfm/ScrobblePoint>
src/internet/lastfmservice.cpp:#include <lastfm/ws.h>
src/internet/lastfmservice.cpp:#include <lastfm/XmlQuery>
src/internet/lastfmservice.h:#include <lastfm/Track>
src/internet/lastfmservice.h:#include <lastfm/ws.h>
src/internet/lastfmsettingspage.cpp:#include <lastfm/ws.h>
Dovresti aggiungere l'esensione ".h".