anchor.diff:    '';
   
     configureFlags = "--disable-debug" +
  -    stdenv.lib.optionalString (stdenv.isFreeBSD || stdenv.isDarwin) " --enable-rpath";
  -
  -  # remove dependency on bootstrap-tools in early stdenv build
  -  postInstall = stdenv.lib.optionalString stdenv.isDarwin ''
  -    sed -i 's/INSTALL_CMD=.*install/INSTALL_CMD=install/' $out/lib/icu/${version}/pkgdata.inc
  -  '';
  -
  -  enableParallelBuilding = true;
  +    stdenv.lib.optionalString (stdenv.isFreeBSD) " --enable-rpath";
   
     meta = with stdenv.lib; {
       description = "Unicode and globalization support library";
  
positive.code:     sha256 = "05j86714qaj0lvhvyr2s1xncw6sk0h2dcghb3iiwykbkbh8fjr1s";
    };
  
    makeFlags = stdenv.lib.optionalString stdenv.isDarwin
      "CXXFLAGS=-headerpad_max_install_names";
  
    # FIXME: This fixes dylib references in the dylibs themselves, but
    # not in the programs in $out/bin.
    buildInputs = stdenv.lib.optional stdenv.isDarwin fixDarwinDylibNames;
  
    postUnpack = ''
      sourceRoot=''${sourceRoot}/source
      echo Source root reset to ''${sourceRoot}
  
negative.code: { stdenv, fetchurl }:
  
  let
    pname = "icu4c";
  