anchor.diff:  
     cool-retro-term = callPackage ../applications/misc/cool-retro-term { };
   
  -  coreutils = callPackage ../tools/misc/coreutils
  -    {
  -      # TODO: Add ACL support for cross-Linux.
  -      aclSupport = crossSystem == null && stdenv.isLinux;
  -    };
  +  coreutils = callPackage ../tools/misc/coreutils {
  +    aclSupport = stdenv.isLinux;
  +  };
   
     cpio = callPackage ../tools/archivers/cpio { };
   
  
positive.code:     # be passed.
      cross = null;
      libcCross = if crossSystem != null then libcCross else null;
      libpthreadCross =
        if crossSystem != null && crossSystem.config == "i586-pc-gnu"
        then gnu.libpthreadCross
        else null;
  
      isl = isl_0_14;
    }));
  
negative.code:     # be passed.
      cross = null;
      libcCross = if crossSystem != null then libcCross else null;
    }));
  
    gcc46 = lowPrio (wrapCC (callPackage ../development/compilers/gcc/4.6 {
  