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Re: [PATCH v5] xen: Add Darwin.mk
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Bertrand Marquis <Bertrand.Marquis@xxxxxxx>
- Date: Mon, 9 Feb 2026 14:17:48 +0000
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- Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>
- Delivery-date: Mon, 09 Feb 2026 14:19:13 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-index: AQHcmbF131JHt0VrQEG2yzDmCYz1i7V6XACAgAAB1gCAAAHIAIAAALSAgAAIw4CAAAE2gA==
- Thread-topic: [PATCH v5] xen: Add Darwin.mk
Hi Jan,
> On 9 Feb 2026, at 15:13, Jan Beulich <jbeulich@xxxxxxxx> wrote:
>
> On 09.02.2026 14:42, Bertrand Marquis wrote:
>>> On 9 Feb 2026, at 14:39, Roger Pau Monné <roger.pau@xxxxxxxxxx> wrote:
>>> On Mon, Feb 09, 2026 at 01:33:13PM +0000, Bertrand Marquis wrote:
>>>>> On 9 Feb 2026, at 14:26, Roger Pau Monné <roger.pau@xxxxxxxxxx> wrote:
>>>>> On Mon, Feb 09, 2026 at 11:46:44AM +0100, Bertrand Marquis wrote:
>>>>>> Xen does not provide a Darwin build configuration useable on Mac OS.
>>>>>> It is possible to build Xen Hypervisor (tools are not supported) with a
>>>>>> toolchain able to produce ELF binaries (GCC or others).
>>>>>>
>>>>>> Add config/Darwin.mk to include StdGNU.mk and force
>>>>>> XEN_COMPILE_ARCH=unknown, ensuring Darwin builds always follow
>>>>>> the cross-compile path so compiling on Mac OS is always handled as a
>>>>>> cross compilation case.
>>>>>>
>>>>>> Only compiling the hypervisor has been tested !
>>>>>>
>>>>>> An example of how to build the hypervisor for arm64 on Mac OS
>>>>>> (tools cannot be build for now) using a compiler from brew:
>>>>>> - brew install aarch64-elf-gcc aarch64-elf-binutils
>>>>>> - make XEN_TARGET_ARCH=arm64 CROSS_COMPILE=aarch64-elf- HOSTCC=clang
>>>>>
>>>>> This needs 'xen' target passed.
>>>>
>>>> Without any target, xen is built by default so i kept the simplest
>>>> possible command
>>>> But I am ok with adding xen
>>>
>>> With the `cd xen` omitted, won't that also attempt to build the tools
>>> then?
>>
>> This is supposed to be called in the xen sub-directory not in the main
>> directory.
>>
>> Now i get why you wanted the xen (and hence why there was the cd xen before)
>>
>> Maybe having -C xen would be a better idea, building from main Makefile could
>> bring other side effects i guess.
>
> Happy to add "-C xen" while committing, if that's what we now have settled
> upon?
Yes I think this will make it clearer and obvious that we only operate in the
hypervisor
sub-directory.
Thanks
Bertrand
>
> Jan
|
