pocl.tcz
   libltdl.tcz
   hwloc.tcz
      libnuma.tcz
      udev-lib.tcz
      libpciaccess.tcz
      libxml2.tcz
         liblzma.tcz
   llvm-lib.tcz
      libffi.tcz
      libxml2.tcz
         liblzma.tcz
      ncursesw.tcz
   ocl-icd.tcz
   lttng-ust.tcz
      userspace-rcu.tcz