| Package | Local Description (use.local.desc) | Metadata Description (metadata.xml) |
|---|---|---|
| app-portage/eix | - | Compile faster and produce better binary. Recommended unless compiling on a quite memory-restricted system. |
| www-client/firefox | - | Enable unified build - combines source files to speed up build process, but requires more memory |
| www-client/librewolf | - | Enable unified build - combines source files to speed up build process, but requires more memory |