anchor.diff:  
       
       deb_debian40i386 = makeDeb_i686 (diskImages: diskImages.debian40i386) 40;
  -#    deb_debian50i386 = makeDeb_i686 (diskImages: diskImages.debian50i386) 30;
  +    deb_debian50i386 = makeDeb_i686 (diskImages: diskImages.debian50i386) 30;
       deb_ubuntu804i386 = makeDeb_i686 (diskImages: diskImages.ubuntu804i386) 50;
  -#    deb_ubuntu810i386 = makeDeb_i686 (diskImages: diskImages.ubuntu810i386) 40;
  +    deb_ubuntu810i386 = makeDeb_i686 (diskImages: diskImages.ubuntu810i386) 40;
   
   
   
  
positive.code:     with import nixpkgs {inherit system;};
  
      releaseTools.debBuild {
        name = "aterm-deb";
        src = tarball;
        diskImage = diskImageFun vmTools.diskImages;
        meta = { schedulingPriority = toString prio; };
  
negative.code:     with import nixpkgs {inherit system;};
  
      releaseTools.rpmBuild rec {
        name = "strategoxt-rpm";
        src = tarball;
        diskImage = diskImageFun vmTools.diskImages;
        meta = { schedulingPriority = toString prio; };
  