Re: [PATCH v4 0/3] Enable clang build on Windows

[Pierrick Bouvier <pierrick.bouvier@linaro.org>]

On 2/18/25 12:59, Stefan Weil wrote:
> Am 18.02.25 um 17:22 schrieb Pierrick Bouvier:
>> On 2/17/25 20:11, Brian Cain wrote:
>>> Is this toolchain available publicly or did you build it yourself?  It
>>> would be handy if there were a linux x86_64 hosted cross-toolchain that
>>> can target Windows-aarch64.  Or linux aarch64 hosted would be pretty
>>> good, too.
>>>
>>
>> At the moment, the only open source toolchain supporting windows-arm64
>> is llvm-mingw (https://github.com/mstorsjo/llvm-mingw).
>> There is some progress on gcc, but it is not yet fully upstream.
>> MSYS2 uses llvm-mingw for windows-arm64 environment.
>>
>> On my side, I used a windows-arm64 machine with MSYS2 native environment.
>>
>> It would be handy to cross compile, and the problem is not really QEMU
>> itself, but to cross compile all the dependencies.
>> For x86_64, we use fedora, which provides convenient precompiled mingw
>> packages for dependencies.
>> It's definitely not impossible to do the same for windows-arm64, but it
>> just takes much more effort.
>>
>>> Is there an MSYS2 or other distributor that provides windows-aarch64
>>> builds of the glib and other library dependencies?
>>>
>>
>> MSYS2 does, but it's complicated to download packages by hand if it's
>> your idea. Better to cross compile it.
> 
> I could run a QEMU cross compile on Debian with the llvm toolchain and
> msys2 clangarm64 packages installed with pacman. The resulting installer
> is here:
> 

Have you installed the msys2 clangarm64 packages on a windows machine 
first, and then copy them to your Debian machine?

> https://qemu.weilnetz.de/aarch64/
> 
> The only tools which was missing and which I had to build before running
> the QEMU build is aarch64-w64-mingw32-windmc.
> 
> It looks like the NSIS installer is i386 code, so I don't know whether
> it can be used on Windows for aarch64.
> 
> I also have no suitable Windows host for testing the binaries, so no
> test was done.
> 
> Stefan W.