Re: [Xen-devel] 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@xxxxxxxxx>]

Sent: Thursday, July 06, 2017 12:26

> From: Julien Grall [mailto:julien.grall@xxxxxxx]
> 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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