| Flag | Description |
|---|---|
| av1 | Enable AV1 codec support |
| cpu_flags_x86_avx | |
| cpu_flags_x86_sse | |
| cpu_flags_x86_sse2 | |
| dbus | |
| debug | |
| devtools | Enable Mozilla Developer Tools |
| gtk2 | Use <pkg>x11-libs/gtk+</pkg>:2 |
| gtk3 | Use <pkg>x11-libs/gtk+</pkg>:3 |
| jemalloc | Replace memory allocator with jemalloc |
| jpegxl | Enable JPEG XL support |
| necko-wifi | Enable the necko wifi scanner |
| official-branding | Enable official branding |
| optimize | Enable compiler optimization |
| pulseaudio | |
| threads | |
| valgrind | Enable Valgrind integration hooks |