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Re: [PATCH v5] xen: Add Darwin.mk
- To: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- From: Bertrand Marquis <Bertrand.Marquis@xxxxxxx>
- Date: Mon, 9 Feb 2026 13:42:05 +0000
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>
- Delivery-date: Mon, 09 Feb 2026 13:43:25 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-index: AQHcmbF131JHt0VrQEG2yzDmCYz1i7V6XACAgAAB1gCAAAHIAIAAALSA
- Thread-topic: [PATCH v5] xen: Add Darwin.mk
> 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:
>> Hi Roger
>>
>>> 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.
Cheers
Bertrand
>
> Thanks, Roger.
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