anchor.diff:        patchelf --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \
                  --force-rpath --set-rpath "$out/lib:${libaio}/lib" \
                  $exe
  +      wrapProgram $exe --prefix LD_LIBRARY_PATH ":" $out/lib
       done
     '';
   
  
positive.code: { stdenv, requireFile, glibc, patchelf, rpmextract, libaio, odbcSupport ? false, unixODBC }:
  
  assert odbcSupport -> unixODBC != null;
  
  
negative.code:   buildInputs = [ glibc ] ++
      optional odbcSupport unixODBC;
  
    nativeBuildInputs = [ rpmextract patchelf makeWrapper ];
  
    buildCommand = ''
      mkdir -p "${name}"
  