Bug#988509: building kernel modules on a multiarch host fails

[Константин Савин]

As a clue.. you may use the DEB_HOST_GNU_CPU
<https://www.google.com/search?q=DEB_HOST_GNU_CPU>*,* just try

> *DEB_HOST_GNU_CPU=amd64* *aptitude* {*install*|*safe-upgrade*|...}
>