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

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]

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

I am following the "Xen ARM with Virtualization Extensions/CrossCompiling"
page, "Build arm64 tools" section. When I execute:

"./configure --build=x86_64-unknown-linux-gnu --host=aarch64-linux-gnu", I
get the following errors:

checking for uuid_clear in -luuid... no
checking uuid.h usability... no
checking uuid.h presence... no
checking for uuid.h... no
configure: error: cannot find a valid uuid library
configure: error: ./configure failed for tools

I have installed uuid, uuid-dev uuid-runtime and uuidcdef, but continue to
get the same error.

If anyone has seen and resolved this issue, please provide details.

Regards, Nick Garnett

Zazzu Firmware Architect




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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

[Wei Liu]

CC Julien and Stefano -- not sure if the wiki page should be updated

On Mon, Jul 03, 2017 at 11:41:37AM -0700, Nick Garnett wrote:
> I was able to cross-compile the hypervisor on an amd64 host for the aarch64
> target. However, I can't build the Xen toolset. 
> 
> I am following the "Xen ARM with Virtualization Extensions/CrossCompiling"
> page, "Build arm64 tools" section. When I execute:
> 
> "./configure --build=x86_64-unknown-linux-gnu --host=aarch64-linux-gnu", I
> get the following errors:
> 
> checking for uuid_clear in -luuid... no
> checking uuid.h usability... no
> checking uuid.h presence... no
> checking for uuid.h... no
> configure: error: cannot find a valid uuid library
> configure: error: ./configure failed for tools
> 
> I have installed uuid, uuid-dev uuid-runtime and uuidcdef, but continue to
> get the same error.
> 
> If anyone has seen and resolved this issue, please provide details.
> 
> Regards, Nick Garnett
> 
> Zazzu Firmware Architect
> 
> 
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> https://lists.xen.org/xen-devel

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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

[Julien Grall]

Hi,

On 07/04/2017 03:41 PM, Wei Liu wrote:
> CC Julien and Stefano -- not sure if the wiki page should be updated

I don't cross-compile the tools usually but either build on the target 
or using an ARM chroot (setup with qemu-debootstrap).

Stefano seems to have updated the wiki page recently, maybe he is using it?

> 
> On Mon, Jul 03, 2017 at 11:41:37AM -0700, Nick Garnett wrote:
>> I was able to cross-compile the hypervisor on an amd64 host for the aarch64
>> target. However, I can't build the Xen toolset.
>>
>> I am following the "Xen ARM with Virtualization Extensions/CrossCompiling"
>> page, "Build arm64 tools" section. When I execute:
>>
>> "./configure --build=x86_64-unknown-linux-gnu --host=aarch64-linux-gnu", I
>> get the following errors:
>>
>> checking for uuid_clear in -luuid... no
>> checking uuid.h usability... no
>> checking uuid.h presence... no
>> checking for uuid.h... no
>> configure: error: cannot find a valid uuid library
>> configure: error: ./configure failed for tools
>>
>> I have installed uuid, uuid-dev uuid-runtime and uuidcdef, but continue to
>> get the same error. >>
>> If anyone has seen and resolved this issue, please provide details.
>>
>> Regards, Nick Garnett
>>
>> Zazzu Firmware Architect

Cheers,


-- 
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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

[Julien Grall]

Hello Nick,

Please avoid top-posting and keep mailing list CCed.

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.

Which distributions are you targeting?

Cheers,

-- 
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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]

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.

Which distributions are you targeting?

	[nickgarnett 1707041454PDT]  I am using Xen 4.9.0




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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

[Julien Grall]

Hello Nick,

On 07/04/2017 10:59 PM, Nick Garnett wrote:
> 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

> 
> Which distributions are you targeting?
> 
> 	[nickgarnett 1707041454PDT]  I am using Xen 4.9.0

I meant Linux Distribution. E.g is it Debian, Fedora, Yocto?

Cheers,

-- 
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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]

Sent: Wednesday, July 05, 2017 01:15

> 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"?

Regards, Nick Garnett





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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]

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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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]

Sent: Thursday, July 06, 2017 13:48
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.
____________________________________________________________________________________
[nickgarnett:170706-1555PDT]

Got "configure: error: ./configure: line 6930: /usr/bin/python: cannot execute 
binary file: Exec format error is too old, minimum required version is 2.3"
	 ./configure --host=aarch64-linux-gnu                
	checking build system type... x86_64-unknown-linux-gnu
	checking host system type... aarch64-unknown-linux-gnu
	Will build the following subsystems:
	  xen
	  tools
	  docs
	configure: creating ./config.status
	config.status: creating config/Toplevel.mk
	config.status: creating config/Paths.mk
	=== configuring in tools (/home/nick/xen-4.9.0/tools)
	configure: running /bin/bash ./configure --disable-option-checking '--prefix=/usr/local'  
		'--host=aarch64-linux-gnu' 'host_alias=aarch64-linux-gnu' --cache-file=/dev/null --srcdir=.
	checking build system type... x86_64-unknown-linux-gnu
	checking host system type... aarch64-unknown-linux-gnu
	checking for aarch64-linux-gnu-gcc... aarch64-linux-gnu-gcc
	checking whether the C compiler works... yes
	checking for C compiler default output file name... a.out
	checking for suffix of executables... 
	checking whether we are cross compiling... yes
	checking for suffix of object files... o
	checking whether we are using the GNU C compiler... yes
	checking whether aarch64-linux-gnu-gcc accepts -g... yes
	checking for aarch64-linux-gnu-gcc option to accept ISO C89... none needed
	checking for special C compiler options needed for large files... no
	checking for _FILE_OFFSET_BITS value needed for large files... no
	checking for aarch64-linux-gnu-gcc... (cached) aarch64-linux-gnu-gcc
	checking whether we are using the GNU C compiler... (cached) yes
	checking whether aarch64-linux-gnu-gcc accepts -g... (cached) yes
	checking for aarch64-linux-gnu-gcc option to accept ISO C89... (cached) none needed
	checking whether make sets $(MAKE)... yes
	checking for a BSD-compatible install... /usr/bin/install -c
	checking for bison... no
	checking for flex... no
	checking for perl... /usr/bin/perl
	checking for awk... /usr/bin/awk
	checking for aarch64-linux-gnu-ocamlc... no
	checking for ocamlc... no
	checking for aarch64-linux-gnu-ocaml... no
	checking for ocaml... no
	checking for aarch64-linux-gnu-ocamldep... no
	checking for ocamldep... no
	checking for aarch64-linux-gnu-ocamlmktop... no
	checking for ocamlmktop... no
	checking for aarch64-linux-gnu-ocamlmklib... no
	checking for ocamlmklib... no
	checking for aarch64-linux-gnu-ocamldoc... no
	checking for ocamldoc... no
	checking for aarch64-linux-gnu-ocamlbuild... no
	checking for ocamlbuild... no
	checking for aarch64-linux-gnu-ocamlfind... no
	checking for ocamlfind... no
	checking for gawk... /usr/bin/awk
	checking for aarch64-linux-gnu-checkpolicy... no
	checking for checkpolicy... no
	checking for bash... /bin/bash
	checking for python... /usr/bin/python
	checking for python version >= 2.3 ... ./configure: line 6927: /usr/bin/python: cannot execute binary file: Exec format error
	no
	configure: error: ./configure: line 6930: /usr/bin/python: cannot execute binary file: Exec format error is too old, minimum required version is 2.3
	configure: error: ./configure failed for tools



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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

[Julien Grall]

Hello Nick,

Can you please configure your e-mail client to quote properly? This is 
quite difficult to follow the conversation.

On 07/06/2017 11:56 PM, Nick Garnett wrote:
> Sent: Thursday, July 06, 2017 13:48
> 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?

No, crossbuild would be building from an x86 host and target an ARM 
platform. Compiling directly on an ARM platform would be native build or 
use QEMU user-mode.

> 
> 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.

I am assuming you were able to fix this give the configure below?

> ____________________________________________________________________________________
> [nickgarnett:170706-1555PDT]
> 
> Got "configure: error: ./configure: line 6930: /usr/bin/python: cannot execute
> binary file: Exec format error is too old, minimum required version is 2.3"
> 	 ./configure --host=aarch64-linux-gnu
> 	checking build system type... x86_64-unknown-linux-gn
I am a bit confused, on a previous mail you mentioned you were using 
QEMU user-mode. But this looks like you are doing cross-build. Maybe I 
am lost because of the quoting. The error "exec format error" below seem 
to confirm you are mixing both.

If you have a rootfs with only arm64 binaries, you could use qemu 
user-mode. As soon as you call chroot in you rootfs your environment 
will be like running on an ARM64 platform. You should never see the word 
x86_64 anymore.

For crossbuild, I haven't done in a while and would need to brush up a 
bit before giving any help here. A good start would be:

https://wiki.debian.org/CrossCompiling

Let me know which way you want to use.

Cheers,

-- 
Julien Grall

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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

[Julien Grall]

Hi,

On 05/07/17 14:44, Nick Garnett wrote:
>
> -------- Original message --------
> From: Julien Grall <julien.grall@arm.com>
> Date: 7/5/17 01:15 (GMT-08:00)
> To: Nick Garnett <nick@zazzu.com>, 'xen-devel'
> <xen-devel@lists.xenproject.org>, 'Wei Liu' <wei.liu2@citrix.com>,
> 'Stefano Stabellini' <sstabellini@kernel.org>
> Subject: 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
>
> Hello Nick,
>
> On 07/04/2017 10:59 PM, Nick Garnett wrote:
>> 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
>
>>
>> Which distributions are you targeting?
>>
>> [nickgarnett 1707041454PDT]  I am using Xen 4.9.0
>
> I meant Linux Distribution. E.g is it Debian, Fedora, Yocto?
>
> [nickgarnett]  Ubuntu Zesty

I think the list of packages mentioned in the CrossCompiling wikipage is 
still valid for ARM64. You can follow the instructions to install 
missing packages and then execute the runes I sent in my previous e-mail.

Let me know if you need more help.

Cheers,

-- 
Julien Grall

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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]

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-------- Original message --------From: Julien Grall <julien.grall@arm.com> Date: 7/5/17  01:15  (GMT-08:00) To: Nick Garnett <nick@zazzu.com>, 'xen-devel' <xen-devel@lists.xenproject.org>, 'Wei Liu' <wei.liu2@citrix.com>, 'Stefano Stabellini' <sstabellini@kernel.org> Subject: 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 
Hello Nick,

On 07/04/2017 10:59 PM, Nick Garnett wrote:
> 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

> 
> Which distributions are you targeting?
> 
> 	[nickgarnett 1707041454PDT]  I am using Xen 4.9.0

I meant Linux Distribution. E.g is it Debian, Fedora, Yocto?

[nickgarnett]  Ubuntu Zesty

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