packages that put files in /libexec:
  gawk
  glibc

NOTE:
The /libexec dir is "allowed" in Hurd and the hurd install itself puts files there.
To be consistent with Arch Linux, we should attempt to limit the number of files
placed in the /libexec directory


packages that put files in /info and /man
  grub
  bzip


/i586-pc-gnu:
  binutils likes to put files here...