x11-libs/arc-libpciaccess: Add support for multilib

Bump the EAPI to 5, enable XORG_MULTILIB, stop overriding library path
(which varies now with the ABI being built) and use multilib_src_install
as the installation entry point.

BUG=b:36540057
TEST=emerge-reef arc-libpciaccess

Change-Id: I82e007062c870943eab6232b2895fc3b560d8c6d
Reviewed-on: https://chromium-review.googlesource.com/488746
Commit-Ready: Tomasz Figa <tfiga@chromium.org>
Tested-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
1 file changed