anchor.diff:    time = linux;
     tinycc = ["i686-linux"];
     udev = linux;
  -  uml = ["i686-linux"];
     unrar = linux;
     unzip = all;
     upstart = linux;
  
positive.code:   bc = all;
    binutils = linux;
    bind = linux;
    bison26 = linux;
    bsdiff = all;
    bzip2 = all;
    classpath = linux;
  
negative.code:   gsl = linux;
    guile = linux;  # tests fail on Cygwin
    gzip = all;
    hddtemp = linux;
    hdparm = linux;
    hello = all;
  