{
  "x86_64-linux" = {
    system = "x86_64-linux";
    #config = "x86_64-unknown-linux-musl";
    gcc.arch = "x86-64-v3";
    useLLVM = true;
    linker = "lld";
  };
  "aarch64-linux" = {
    system = "aarch64-linux";
    #config = "aarch64-unknown-linux-musl";
    gcc.arch = "armv8.2-a";
    useLLVM = true;
    linker = "lld";
  };
  "riscv64-linux" = {
    system = "aarch64-linux";
    #config = "riscv64-unknown-linux-musl";
    gcc.arch = "rv64imafdc_zicsr_zba_zbb";
    useLLVM = true;
    linker = "lld";
  };
}