Since updating yesterday this happens:
Preparing to unpack …/libretro-beetle-psx_0.9.36.5+r830~5~ubuntu14.04.1_amd64.deb … Unpacking libretro-beetle-psx (0.9.36.5+r830~5~ubuntu14.04.1) … Selecting previously unselected package libretro-mednafen. Preparing to unpack …/libretro-mednafen_0.9.36.3+r1~ubuntu14.04.1_amd64.deb … Unpacking libretro-mednafen (0.9.36.3+r1~ubuntu14.04.1) … Setting up libretro-beetle-psx (0.9.36.5+r830~5~ubuntu14.04.1) … update-alternatives: error: alternative path /usr/lib/libretro/mednafen_psx_libretro.so doesn’t exist dpkg: error processing package libretro-beetle-psx (–configure): subprocess installed post-installation script returned error exit status 2 dpkg: dependency problems prevent configuration of libretro-mednafen: libretro-mednafen depends on libretro-beetle-psx; however: Package libretro-beetle-psx is not configured yet.
dpkg: error processing package libretro-mednafen (–configure): dependency problems - leaving unconfigured Errors were encountered while processing: libretro-beetle-psx libretro-mednafen E: Sub-process /usr/bin/dpkg returned an error code (1)