Not able to build armhf or arm64 images on amd64 arch systems.

[lokesh s]

When we run disk image builder on amd64 to build armhf or arm64 images we get this error below.
chroot: failed to run command 'sh': Exec format error

It requies following packages to be installed

gcc-arm-linux-gnueabihf
libc6-dev-armhf-cross
qemu-arm-static

copy the qemu arm binaries to chroot /usr/bin location Then it works.

[lokesh s (lokesh-s)]

https://review.openstack.org/#/c/103483/

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/103483
Committed: https://git.openstack.org/cgit/openstack/diskimage-builder/commit/?id=414edd44c27928eb20a5e8eb758cf6d58bf8c95e
Submitter: Jenkins
Branch: master

commit 414edd44c27928eb20a5e8eb758cf6d58bf8c95e
Author: loki <email address hidden>
Date: Mon Jun 30 13:52:25 2014 +0530

    Provide ability to build images for other architectures

    Adds binaries specified by user to chroot environment
    allowing to build images on amd64,i386,armhf,arm64
    architectures.
    Closes-Bug: #1332458
    Change-Id: If6e63a472ee85559b93b5e6b96d9c3ddcf7bcc98