fatal: not a git repository (or any of the parent directories): .git
clang++ -O3 -march=native -fno-finite-math-only -funroll-loops -flto -std=c++20 -DNDEBUG -static -fuse-ld=lld ./src/Chaos.cpp ./src/board.cpp ./src/eval.cpp ./src/move.cpp ./src/movegen.cpp ./src/search.cpp ./external/fmt/format.cc  -o Chaos-C79649E7
ld.lld: error: undefined symbol: __atomic_store
>>> referenced by ld-temp.o
>>>               lto.tmp:(main)
>>> referenced by ld-temp.o
>>>               lto.tmp:(main)
>>> referenced by ld-temp.o
>>>               lto.tmp:(main)
>>> referenced 11 more times

ld.lld: error: undefined symbol: __atomic_load
>>> referenced by ld-temp.o
>>>               lto.tmp:(main)
>>> referenced by ld-temp.o
>>>               lto.tmp:(main)
>>> referenced by ld-temp.o
>>>               lto.tmp:(main)
>>> referenced 26 more times
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [makefile:49: Chaos-C79649E7] Error 1