tree a406b9af934e7541a9c000a74419e1ba09664c7e
parent 4774bb1ced60a94d83b28e5a42d4cf01b83d9b60
author Sam Ravnborg <sam@ravnborg.org> 1239346363 +0200
committer Sam Ravnborg <sam@ravnborg.org> 1239430688 +0200

kbuild: introduce destination-y for exported headers

xtensa and arm have asked for a possibility to export headers
and locate them in a specific directory when exported.
Introduce destiantion-y to support this.

This patch in additiona adds some limited
documentation for the variables used for exported headers.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Oskar Schirmer <os@emlix.com>
Cc: Mikael Starvik <mikael.starvik@axis.com>