Thread

  1. Re: [PATCH] Add native windows on arm64 support

    Dave Cramer <davecramer@postgres.rocks> — 2024-01-30T22:54:01Z

    On Tue, Jan 30, 2024 at 4:56 PM Andrew Dunstan <andrew@dunslane.net> wrote:
    
    >
    > On 2024-01-30 Tu 09:50, Dave Cramer wrote:
    >
    >
    >
    > On Tue, 30 Jan 2024 at 08:38, Andrew Dunstan <andrew@dunslane.net> wrote:
    >
    >>
    >> On 2024-01-29 Mo 11:20, Dave Cramer wrote:
    >>
    >>
    >> Dave Cramer
    >> www.postgres.rocks
    >>
    >>
    >> On Mon, 29 Jan 2024 at 11:16, Andrew Dunstan <andrew@dunslane.net> wrote:
    >>
    >>>
    >>> On 2024-01-26 Fr 09:18, Dave Cramer wrote:
    >>>
    >>>
    >>>
    >>> On Fri, 26 Jan 2024 at 07:36, Andrew Dunstan <andrew@dunslane.net>
    >>> wrote:
    >>>
    >>>>
    >>>> On 2024-01-25 Th 20:32, Michael Paquier wrote:
    >>>> > On Thu, Jan 25, 2024 at 04:52:30PM -0500, Dave Cramer wrote:
    >>>> >> On Thu, 25 Jan 2024 at 16:32, Andrew Dunstan <andrew@dunslane.net>
    >>>> wrote:
    >>>> >>> On 2024-01-25 Th 16:17, Dave Cramer wrote:
    >>>> >>> Yeah, I think the default Developer Command Prompt for VS2022 is
    >>>> set up
    >>>> >>> for x86 builds. AIUI you should start by executing "vcvarsall
    >>>> x64_arm64".
    >>>> >> Yup, now I'm in the same state you are
    >>>> > Wait a minute here.  Based on [1], x64_arm64 means you can use a x64
    >>>> > host and you'll be able to produce ARM64 builds, still these will not
    >>>> > be able to run on the host where they were built.  How much of the
    >>>> > patch posted upthread is required to produce such builds?  Basically
    >>>> > everything from it, I guess, so as build dependencies can be
    >>>> > satisfied?
    >>>> >
    >>>> > [1]:
    >>>> https://learn.microsoft.com/en-us/cpp/build/building-on-the-command-line?view=msvc-170
    >>>>
    >>>>
    >>>> If you look at the table here x86 and x64 are the only supported host
    >>>> architectures. But that's OK, the x64 binaries will run on arm64 (W11
    >>>> ARM64 has x64 emulation builtin). If that didn't work Dave and I would
    >>>> not have got as far as we have. But you want the x64_arm64 argument to
    >>>> vcvarsall so you will get ARM64 output.
    >>>>
    >>>
    >>> I've rebuilt it using  x64_arm64 and with the attached (very naive
    >>> patch) and I still get an x64 binary :(
    >>>
    >>>
    >>> With this patch I still get a build error, but it's different :-)
    >>>
    >>>
    >>> [1406/2088] "link" @src/backend/postgres.exe.rsp
    >>> FAILED: src/backend/postgres.exe src/backend/postgres.pdb
    >>> "link" @src/backend/postgres.exe.rsp
    >>>    Creating library src\backend\postgres.exe.lib
    >>>
    >>> storage_lmgr_s_lock.c.obj : error LNK2019: unresolved external symbol
    >>> spin_delay referenced in function perform_spin_delay
    >>>
    >>> src\backend\postgres.exe : fatal error LNK1120: 1 unresolved externals
    >>>
    >>
    >> Did you add the latest lock.patch ?
    >>
    >>
    >>
    >>
    >> I'm a bit confused about exactly what needs to be applied. Can you supply
    >> a complete patch to be applied to a pristine checkout that will let me
    >> build?
    >>
    >>
    >> cheers
    >>
    >
    > See attached.
    >
    >
    >
    > No, that is what is giving me the error shown above (just tried again to
    > be certain). And it's not surprising, as patch 2 #ifdef's out the
    > definition of spin_delay().
    >
    > If you can get a complete build with these patches then I suspect you're
    > not doing a proper ARM64 build.
    >
    >
    Okay I will look when I get home in a week
    
    Dave
    
    >
    > cheers
    >
    >
    > andrew
    >
    > --
    > Andrew Dunstan
    > EDB: https://www.enterprisedb.com
    >
    >