anchor.diff:  , zlib
   , zstd
   , enableShared ? !stdenv.hostPlatform.isStatic
  -, enableFlight ? !stdenv.isDarwin # libnsl is not supported on darwin
  +, enableFlight ? true
   , enableJemalloc ? !(stdenv.isAarch64 && stdenv.isDarwin)
     # boost/process is broken in 1.69 on darwin, but fixed in 1.70 and
     # non-existent in older versions
  
positive.code: , grpc
  , gtest
  , jemalloc
  , libnsl
  , lz4
  , minio
  , ninja
  
negative.code:     python3.pkgs.numpy
    ] ++ lib.optionals enableFlight [
      grpc
      openssl
      protobuf
    ] ++ lib.optionals enableS3 [ aws-sdk-cpp openssl ]
  