Comment # 10 on bug 1186710 from Ludwig Nussel

(In reply to Ruediger Oertel from comment #8)
> proposal:
> 
> diff --git a/brp-25-symlink b/brp-25-symlink
> index 2884a34..15ec95c 100755
> --- a/brp-25-symlink
> +++ b/brp-25-symlink
> @@ -85,6 +85,9 @@ do
>          /proc/*|/dev/*|/sys/*) # links pointing into kernel file system
> should be absolute
>              link_dest=$link_absolut
>              ;;
> +        /lib/modules/*|/lib/firmware/*) # keeping kernel modules and
> firmware absolute for now
> +            link_dest=$link_absolut
> +            ;;

Yup, either that or anything in /lib that links outside of it in general.