anchor.diff:      sha256 = "1a2zn1655d5f1m6jp9vpn3bp8yfxhcmxx3mx23ai9hmxiydiykr1";
     };
   
  -  nativeBuildInputs = [ autoreconfHook pkgconfig ];
  +  nativeBuildInputs = [ autoreconfHook pkgconfig ]
  +    ++ stdenv.lib.optional stdenv.isDarwin libiconv;
   
     configureFlags = [ "--enable-compat-symlinks" ];
   
  
positive.code: { stdenv, fetchFromGitHub, autoreconfHook, pkgconfig }:
  
  stdenv.mkDerivation rec {
    name = "dosfstools-${version}";
  
negative.code:     description = "Utilities for creating and checking FAT and VFAT file systems";
      repositories.git = git://daniel-baumann.ch/git/software/dosfstools.git;
      homepage = http://www.daniel-baumann.ch/software/dosfstools/;
      platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
    };
  }
  