The following post suggests that vendors don't compile their own toolchains: https://www.snbforums.com/threads/arm-toolchains-with-nptl-for-asuswrt-merlin.27938/
That said, I think you could look at either, Tomatoware (native compiler and statically linked libraries) or Entware (cross-compiler...
I just created a new build VM with Ubuntu 20.04.3 LTS and got the following Make error for the latest repo. It was at the very start of the build, which is nice.
execvp: /bin/sh: Argument list too long
The issue was a large shell command embedded in the KernelConfig function, inside...
I have a Wi-Fi guest network with Intranet access not allowed, and I managed to make a specific device visible to another computer on an Ethernet port. For your issue with IPhone and Roku on a Wi-Fi guest network, maybe this could fix it?
ebtables -t broute -I BROUTING -p ARP -i wl1.1 -s...