安装Gentoo报错“ All ebuilds that could satisfy "sys-kernel/linux-firmware" have been masked.”解决方案

问题：

(chroot) livecd / # emerge --ask sys-kernel/genkernel

 * IMPORTANT: 9 news items need reading for repository 'gentoo'.
 * Use eselect news read to view new items.
These are the packages that would be merged, in order:

Calculating dependencies... done!
Dependency resolution took 1.14 s.

!!! All ebuilds that could satisfy "sys-kernel/linux-firmware" have been masked.
!!! One of the following masked packages is required to complete your request:
- sys-kernel/linux-firmware-99999999::gentoo (masked by: || ( ) linux-fw-redistributable license(s), missing keyword)

解决方案：

修改/etc/make.conf，降低许可敏感级别。在/etc/make.conf里追加一行

ACCEPT_LICENSE="*"