anchor.diff:  }:
   
   let
  -  the_version = "0.7.4";
  +  version = "0.7.4";
   
   in
   
   stdenv.mkDerivation rec {
  -  name = "sigil-${the_version}";
  +  name = "sigil-${version}";
   
     src = fetchurl {
  -    url = "https://sigil.googlecode.com/files/Sigil-${the_version}-Code.zip";
  +    url = "https://sigil.googlecode.com/files/Sigil-${version}-Code.zip";
       sha256 = "68c7ca15ea8611921af0c435369563f55c6afd2ef1fb0945cf6c4a47429b0fb5";
     };
   
  
positive.code:     sed -i \
          -e 's|\(COMMAND\) \([^ ]\+\) \([^ ]\+\) \(.*\)|\1 \2 \3 -c \4|' \
          cmake_extras/CustomPCH.cmake
  #    sed -i \
  #        -e 's|\(COMMAND\) \([^ ]\+\) \([^ ]\+\) \(.*\)|\1 \2 \3 -x c++-header \4|' \
  #        cmake_extras/CustomPCH.cmake
      cd ../build
      cmake -G "Unix Makefiles" \
          -DCMAKE_INSTALL_PREFIX=$out \
          -DCMAKE_BUILD_TYPE=Release \
          -DCMAKE_SKIP_BUILD_RPATH=ON \
          ../src
      #make VERBOSE=1
      make
      make install
    '';
  
negative.code:     description = "Free, open source, multi-platform ebook (ePub) editor";
      homepage = https://code.google.com/p/sigil/;
      license = stdenv.lib.licenses.gpl3;
      inherit version;
    };
  }
  