Tasks for GNU fileutils (listed in order of decreasing priority):

  mv: move non-regular files between partitions.  This will probably
    involve factoring out and librarizing cp's copying code.

  chmod, chown (maybe others): Don't strip slashes unless configure
      detects that e.g. lstat can't deal with them.

fix automake's
  rm -f $(libexec_PROGRAMS)
rule of clean-libexecPROGRAMS
