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

Calculating dependencies ... done!
Dependency resolution took 0.83 s (backtrack: 0/20).


!!! All ebuilds that could satisfy "=dev-util/nvidia-cuda-toolkit-11.8.0-r4" have been masked.
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A copy of the 'NVIDIA-CUDA' license is located at '/Volumes/Disk 1/Repository/portage-git/licenses/NVIDIA-CUDA'.


For more information, see the MASKED PACKAGES section in the emerge
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