anchor.diff:    };
   
     meta.license = stdenv.lib.licenses.bsd3;
  -  meta.platforms = ["x86_64-linux" "i686-linux" "x86_64-darwin"];
  +  meta.platforms = ["x86_64-linux" "aarch64-linux" "i686-linux" "x86_64-darwin"];
   }
  
positive.code:     or (throw "cannot bootstrap GHC on this platform"));
  
    nativeBuildInputs = [ perl ];
  
    # Cannot patchelf beforehand due to relative RPATHs that anticipate
    # the final install location/
  
negative.code: { stdenv
  , fetchurl, perl, gcc
  , ncurses5, gmp, glibc, libiconv
  , llvmPackages
  }:
  
  # Prebuilt only does native
  assert stdenv.targetPlatform == stdenv.hostPlatform;
  
  let
    useLLVM = !stdenv.targetPlatform.isx86;
  
    libPath = stdenv.lib.makeLibraryPath ([
      ncurses5 gmp
    ] ++ stdenv.lib.optional (stdenv.hostPlatform.isDarwin) libiconv);
  