Install this version:
emerge -a =app-exploits/linenum-20200107
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =app-exploits/linenum-20200107
Or alternatively:
emerge --autounmask-write -a =app-exploits/linenum-20200107
| Version | EAPI | Keywords | Slot |
|---|---|---|---|
| 20200107 |
./linenum-99999999.ebuild