error CS0006: Cannot find assembly `Mono.Cairo'
Log:

Compilation failed: 1 error(s), 0 warnings
make[3]: *** [Banshee.Widgets.dll] Error 1
make[3]: Leaving directory `/tmp/banshee/src/Banshee.Widgets'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/tmp/banshee/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/tmp/banshee'
make: *** [all] Error 2