Re: [PATCH] Add native windows on arm64 support

> Why does it not allow that?  Is that just a limitation of the
> compiler?  If yes, what is the error happening?  This question is not
> exactly answered yet as of this thread.  I may be missing a reference
> about that in the upstream docs, but I see nowhere an explanation
> about the reason and the why.  That's also one of the first questions
> from Thomas upthread.

The following error occurs:

LINK : fatal error LNK1246: '/DYNAMICBASE:NO' not compatible with 'ARM64'
target machine; link without '/DYNAMICBASE:NO

This seems to be a deliberate restriction for Arm64 targets. However, no
references were provided. To clarify, I have posted a question [1] on the
community channel of Visual Studio.

Niyas

[1]
https://developercommunity.visualstudio.com/t/LINK-:-fatal-error-LNK1246:-DYNAMICBAS/10020163





On Thu, 21 Apr 2022 at 05:07, Michael Paquier <michael@paquier.xyz> wrote:

> On Wed, Apr 20, 2022 at 10:43:06AM +0100, Niyas Sait wrote:
> >> This issue is still lying around, and you may have been lucky.  Would
> >> there be any issues to remove this change to get a basic support in?
> >> As mentioned upthread, there is a long history of Postgres with ASLR.
> >
> > MSVC linker doesn't allow non-random base addresses for Arm64 platforms.
> > It is needed for basic support.
>
> Why does it not allow that?  Is that just a limitation of the
> compiler?  If yes, what is the error happening?  This question is not
> exactly answered yet as of this thread.  I may be missing a reference
> about that in the upstream docs, but I see nowhere an explanation
> about the reason and the why.  That's also one of the first questions
> from Thomas upthread.
> --
> Michael
>