Comment by aquabeagle

Mozilla only provides binaries for Linux 32-bit, Linux 64-bit, macOS, win32, and win64:

http://ftp.mozilla.org/pub/firefox/releases/69.0/

All of the various Linux distributions just repackage those binaries. iOS and Android are distributed only through the App Store and Google Play.

The BSDs and other ("tier 3") platforms have to compile from source and distribute their own packages:

https://developer.mozilla.org/en-US/docs/Mozilla/Supported_b...