These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 1/20).


!!! 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)
A copy of the 'linux-fw-redistributable' license is located at '/Volumes/Disk 1/Repository/portage-git/licenses/linux-fw-redistributable'.

- sys-kernel/linux-firmware-20260916::gentoo (masked by: || ( ) linux-fw-redistributable license(s))
- sys-kernel/linux-firmware-20260910::gentoo (masked by: || ( ) linux-fw-redistributable license(s))
- sys-kernel/linux-firmware-20260810::gentoo (masked by: || ( ) linux-fw-redistributable license(s))
- sys-kernel/linux-firmware-20260622::gentoo (masked by: || ( ) linux-fw-redistributable license(s))
- sys-kernel/linux-firmware-20260519::gentoo (masked by: || ( ) linux-fw-redistributable license(s))
- sys-kernel/linux-firmware-20260410::gentoo (masked by: || ( ) linux-fw-redistributable license(s))
- sys-kernel/linux-firmware-20260309::gentoo (masked by: || ( ) linux-fw-redistributable license(s))

(dependency required by "sys-kernel/genkernel-4.3.18::gentoo[firmware]" [ebuild])
(dependency required by "=sys-kernel/genkernel-4.3.18" [argument])
For more information, see the MASKED PACKAGES section in the emerge
man page or refer to the Gentoo Handbook.