anchor.diff:  { stdenv, buildPackages
  -, fetchzip, linuxHeaders, libiconvReal
  +, fetchurl, linuxHeaders, libiconvReal
   , buildPlatform, hostPlatform
   , extraConfig ? ""
   }:
  
positive.code:   };
  
    meta = with stdenv.lib; {
      homepage = http://www.uclibc.org/;
      description = "A small implementation of the C library";
      maintainers = with maintainers; [ rasendubi ];
      license = licenses.lgpl2;
      platforms = platforms.linux;
      broken = hostPlatform.isAarch64;
    };
  }
  
negative.code:     UCLIBC_HAS_FPU n
    '';
  
    version = "1.0.30";
  in
  
  stdenv.mkDerivation {
    name = "uclibc-ng-${version}";
    inherit version;
  
    src = fetchurl {
      url = "https://downloads.uclibc-ng.org/releases/${version}/uClibc-ng-${version}.tar.bz2";
      # from "${url}.sha256";
      sha256 = "3e0f057f24882823d697126015aa4d7d48fa2542be3939985cb3c26dcbcab5a8";
    };
  
    # 'ftw' needed to build acl, a coreutils dependency
  