External blkid library not found

[arne anka]

> checking for blkid_get_cache in -lblkid... no
> configure: error: external blkid library not found
> FATAL: oe_runconf failed
>
> The strange thing is that if I try to launch the previous command from
> the console works, but the bitbake gives me an error. (Maybe because
> the three dots in the end)

the ellipsis is only there to make the output look nice.
i rather suspect your oe environment to miss a path, where the lib would  
be found.
check if configure has an option to set the path.