From: Alexander Miller
A number of configure checks used by CMake and autoconf (and probably
other build systems) relies on warning-free compiler runs. A combination
of compiler and flags that always generates warnings can cause
misconfiguration and/or build failures.
Since commit ae9870d9f6b139
# Jaco Kroon (2022-08-22)
# Superceded by bgpq4 (already in tree). Non-co-operative upstream.
Removal
# in 30 days. Open bugs, already fixed in bgpq4. Please convert your
usage to
# bgpq4. Mostly you just need to drop the -3 argument.
net-misc/bgpq3
Related PR: https://github.com/gentoo/gen