Detected file collision(s): /usr/bin/mi Searching all installed packages for file collisions... Press Ctrl-C to Stop sys-block/di-4.13 /usr/bin/mi Package 'sci-libs/xgks-pmel-2.5.5' NOT merged due to file collisions. If necessary, refer to your elog messages for the whole content of the above message.
I'd say xgks-pmel needs to change it's binary name to something uncommon upstream wise, and blockers aren't the solution here.
xgks-pmel binaries renamed; closing...