 since the zlib, libbz2, libzstd and liblzma headers and binaries are
      already installed in locations where they will be found automatically.  On
      Windows the zlib, bzip2, zstd and/or LZMA binaries need to be in the PATH, else they
      will not ordinarily be found by default, so it is always a good idea under
      Windows to setup the zlib, bzip2, zstd and/or LZMA toolsets in your own jamfile.</p>
    <p>You can turn off compression filters when building iostreams by passing
      one of the <a