anchor.diff:  
   stdenv.mkDerivation rec {
     name     = "ccl-${version}";
  -  version  = "1.10";
  +  version  = "1.11";
     revision = "16313";
   
     src = fetchsvn {
  
positive.code:     /* TODO: there are also MacOS, FreeBSD and Windows versions */
      x86_64-linux = {
        arch = "linuxx86";
        sha256 = "04p77n18cw0bc8i66mp2vfrhlliahrx66lm004a3nw3h0mdk0gd8";
        runtime = "lx86cl64";
        kernel = "linuxx8664";
      };
  
negative.code:     };
      armv7l-linux = {
        arch = "linuxarm";
        sha256 = "0k6wxwyg3pmbb5xdkwma0i3rvbjmy3p604g4minjjc1drzsn1i0q";
        runtime = "armcl";
        kernel = "linuxarm";
      };
  