Re: I was able to cross-compile the hypervisor on an amd64 host for the aarch64 target ... However, I can't build the Xen toolset

["Nick Garnett" <nick@zazzu.com>]

Sent: Thursday, July 06, 2017 12:26

> From: Julien Grall [mailto:julien.grall@arm.com]
> Sent: Tuesday, July 04, 2017 09:47
> 
> On 07/04/2017 05:42 PM, Nick Garnett wrote:
>> I tried installing the tools with an ARM64 chroot also and had a 
>> similar issue.  In that case, the package "crossbuild_essential_arm64" wouldn't install because it depended on a package that was not installable.
> 
> I don't use crossbuild within the chroot. My chroot contains ARM64 binaries only and QEMU is used to run ARM64 binaries.

In that case, you don't need to install crossbuild_essential_arm64. 
Compiling in that chroot is like compiling directly on an ARM platforms.

My runes are usually:

./configure
make -j install-tools

This will install the tools in /usr/local/

I think the list of dependencies on the CrossCompiling page is still valid:

https://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions/CrossCompiling#Configuring_an_arm64_crossbuild_chroot

____________________________________________________________________________________
[nickgarnett:170706-1225PDT]
Julian, you state:
	In that case, you don't need to install crossbuild_essential_arm64. 
	Compiling in that chroot is like compiling directly on an ARM platform.

I assume you mean if I use crossbuild it would be "like compiling directly on an ARM platform".  Correct?

What should I do (or not do), following the HOWTO in "https://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions/CrossCompiling"?
	Should I use "multiarch"?

____________________________________________________________________________________
[nickgarnett:170706-1345PDT]
Following the HOWTO "https://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions/CrossCompiling", resulted in the following error in the "apt-get update" step:

	#created the chroot and fixed the chroot.d descriptor file

	(zesty-arm64-cross)root# apt-get install vim-tiny wget sudo less pkgbinarymangler

	#(zesty-arm64-cross)root# vi /etc/apt/sources.list
	# added ...
	#deb [arch=arm64] http://ports.ubuntu.com/ saucy main universe

	#Since this is a cross-build chroot Recommended and Suggested packages are largely unnecessary, 
	# created /etc/apt/apt.conf.d/30norecommends containing: 
	#APT::Install-Recommends "0";
	#APT::Install-Suggests "0";

	(zesty-arm64-cross)root# dpkg --add-architecture arm64
	(zesty-arm64-cross)root# apt-get update

	Resulted in:
	Err:3 http://archive.ubuntu.com/ubuntu zesty/main arm64 Packages
	  404  Not Found [IP: 91.189.88.149 80]
	Ign:5 http://archive.ubuntu.com/ubuntu zesty/universe arm64 Packages
	Reading package lists... Done       
	E: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/zesty/main/binary-arm64/Packages  
                404  Not Found [IP: 91.189.88.149 80]
	E: Some index files failed to download. They have been ignored, or old ones used instead.
____________________________________________________________________________________




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