build --cxxopt=-Xclang=-std=c++20
build --cxxopt=-Wall
build --cxxopt=-Wno-c++98-compat
build --cxxopt=-Wno-c++98-compat-pedantic
build --cxxopt=-Wno-pre-c++17-compat
build --cxxopt=-Wno-c++20-compat
build --cxxopt=-Wno-unused-macros