quando cerco di fare l'update di amule mi da questo errore:

codice:
 # emerge -u world                 
Calculating world dependencies ...done!
>>> emerge (1 of 1) net-p2p/amule-2.0.3-r4 to /
>>> md5 files   ;-) amule-2.0.1-r1.ebuild
>>> md5 files   ;-) amule-2.0.3-r2.ebuild
>>> md5 files   ;-) amule-1.2.8-r2.ebuild
>>> md5 files   ;-) amule-2.0.3-r4.ebuild
>>> md5 files   ;-) amule-2.0.1.ebuild
>>> md5 files   ;-) amule-1.2.8-r1.ebuild
>>> md5 files   ;-) amule-2.0.3.ebuild
>>> md5 files   ;-) amule-2.0.1-r2.ebuild
>>> md5 files   ;-) amule-2.0.3-r3.ebuild
>>> md5 files   ;-) amule-1.2.8.ebuild
>>> md5 files   ;-) files/digest-amule-1.2.8-r1
>>> md5 files   ;-) files/digest-amule-1.2.8-r2
>>> md5 files   ;-) files/amuled.confd
>>> md5 files   ;-) files/amuled.initd
>>> md5 files   ;-) files/amuleweb.confd
>>> md5 files   ;-) files/amuleweb.initd
>>> md5 files   ;-) files/digest-amule-2.0.1-r1
>>> md5 files   ;-) files/digest-amule-2.0.1-r2
>>> md5 files   ;-) files/digest-amule-2.0.3-r2
>>> md5 files   ;-) files/digest-amule-2.0.3-r3
>>> md5 files   ;-) files/digest-amule-2.0.3-r4
>>> md5 files   ;-) files/digest-amule-1.2.8
>>> md5 files   ;-) files/digest-amule-2.0.1
>>> md5 files   ;-) files/digest-amule-2.0.3
>>> md5 files   ;-) files/amule-2.0.0_rc7-wxgtk.patch
>>> md5 src_uri ;-) aMule-2.0.3.tar.bz2
!!! set-wxconfig: Error:  Can't find normal or debug version:
!!! set-wxconfig:         /usr/lib/wx/config/base-ansi-release-2.6 not found
!!! set-wxconfig:         /usr/lib/wx/config/base-ansi-debug-2.6 not found
cosa posso fare?

grazie