Bug#1125715: diet-ng: FTBFS on arm64: Unable to detect linker for compiler `ldc2 -L=--version /tmp/tmpp57y3ut8.d -L=-z -L=relro -mbranch-protection=standard -release -wi -g -O2`

Hi!

On Sat, 2026-01-17 at 11:17:17 +0100, Emanuele Rocca wrote:
> On 2026-01-16 08:51, Guillem Jover wrote:
> > On Fri, 2026-01-16 at 17:58:40 +0100, Emanuele Rocca wrote:
> > > It seems that dpkg-buildflags erroneously started adding to LDFLAGS
> > > -mbranch-protection=standard, while that is not a linker argument.
> > 
> > Hmm, according to #1115292 (commit cdf5f5da0e0cb6f9f4d51e93fd9583bd578c252f)
> > this is needed to avoid warnings from the compiler. Was that analysis
> > wrong somehow?
> 
> I think the analysis was incorrect, yes. The -mbranch-protection flag is
> for the compiler only.

Ok, thanks! Given the fallout of this change, I'm planning on reverting
it with a release that I'll try to upload later today. If information
changes we can always revisit this in the future.

Thanks,
Guillem