[PATCH v1 2/8] arm: Fix "file truncated" linker errors from empty built-in.a in SPL/TPL/VPL builds

[Ilias Apalodimas]

On Fri, 28 Nov 2025 at 17:31, Tom Rini <trini at konsulko.com> wrote:
>
> On Fri, Nov 28, 2025 at 10:11:53AM +0800, Yuslaimi, Alif Zakuan wrote:
> >
> >
> > On 27/11/2025 11:09 pm, Marek Vasut wrote:
> > > [CAUTION: This email is from outside your organization. Unless you trust
> > > the sender, do not click on links or open attachments as it may be a
> > > fraudulent email attempting to steal your information and/or compromise
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> > >
> > > On 11/27/25 3:12 AM, Yuslaimi, Alif Zakuan wrote:
> > >
> > > Hello everyone,
> > >
> > > > I already have the referenced commit in my test branch, and I can
> > > > confirm that the same compilation error still appears on CycloneV when
> > > > certain directories produce no SPL objects.
> > > >
> > > > The existing fix ensures that built-in.o is always present, but it does
> > > > not prevent ar from generating empty built-in.a archives, which older
> > > > ARM 32-bit linkers (such as CycloneV toolchains) reject as “file
> > > > truncated”.
> > >
> > > Which toolchain is this ?
> > >
> >
> > I am using Linaro arm-linux-gnueabihf GCC 7.5.0 to compile our SoC32 devices
> > - CycloneV and Arria10
>
> Ilias, do you recall the solution to this problem from when it came up
> on IRC a few weeks ago?

Nop unfortunately not.
Was this caused by the Kbuild bump? I remember the logic around
builtin changing significantly.

Cheers
/Ilias
>
> --
> Tom