emerging sane-backends

Petric Frank <[email protected]> Wed, 23 May 2018 23:27:08 +0200
Newsgroups gmane.linux.gentoo.user.german
Message-ID <5745771.HujBqVHJPn@main>
Hello,

when emerging sane-backends it tries to install most of the backends listed. 
Even if i set 
  SANE_BACKENDS="hp"

in make.conf it selects most of the other backends to be generated.

Is that a bug or did i something wrong ?

regards