AusweisApp2 build failed on rawhide/x86_64 (unsupported reloc 43)

[Julian Sikorski]

Hello,

AusweisApp2-2.0.3 build failed on rawhide/x86_64 with unsupported reloc 
43 errors [1]. Other architectures have built fine, similarly to 
released branches. Is this a problem with rawhide ld.gold?

Best regards,
Julian

[1] https://koji.fedoraproject.org/koji/taskinfo?taskID=112033714

[Jakub Jelinek]

On Sat, Jan 20, 2024 at 02:27:58PM +0100, Julian Sikorski wrote:
> AusweisApp2-2.0.3 build failed on rawhide/x86_64 with unsupported reloc 43
> errors [1]. Other architectures have built fine, similarly to released
> branches. Is this a problem with rawhide ld.gold?

I thought reloc 43 (aka R_X86_64_CODE_4_GOTPCRELX) is a relocation for APX
code (i.e. when an instruction uses %r16-%r31 registers and needs GOTPCREL),
it surprises me a package in the distro would use it so quickly.

In any case, ld.gold is an unmaintained linker for years, just use ld.bfd
instead.

Jakub

[Fabio Valentini]

On Sat, Jan 20, 2024 at 2:41 PM Jakub Jelinek  wrote:
> On Sat, Jan 20, 2024 at 02:27:58PM +0100, Julian Sikorski wrote:
> > AusweisApp2-2.0.3 build failed on rawhide/x86_64 with unsupported reloc 43
> > errors [1]. Other architectures have built fine, similarly to released
> > branches. Is this a problem with rawhide ld.gold?
>
> I thought reloc 43 (aka R_X86_64_CODE_4_GOTPCRELX) is a relocation for APX
> code (i.e. when an instruction uses %r16-%r31 registers and needs GOTPCREL),
> it surprises me a package in the distro would use it so quickly.
>
> In any case, ld.gold is an unmaintained linker for years, just use ld.bfd
> instead.

It looks like this is a problem in the latest binutils build actually:
https://bugzilla.redhat.com/show_bug.cgi?id=2259333

Fabio

[Julian Sikorski]

Am 20.01.24 um 14:47 schrieb Fabio Valentini:
> On Sat, Jan 20, 2024 at 2:41 PM Jakub Jelinek  wrote:
> > On Sat, Jan 20, 2024 at 02:27:58PM +0100, Julian Sikorski wrote:
> > > AusweisApp2-2.0.3 build failed on rawhide/x86_64 with unsupported reloc 43
> > > errors [1]. Other architectures have built fine, similarly to released
> > > branches. Is this a problem with rawhide ld.gold?
> >
> > I thought reloc 43 (aka R_X86_64_CODE_4_GOTPCRELX) is a relocation for APX
> > code (i.e. when an instruction uses %r16-%r31 registers and needs GOTPCREL),
> > it surprises me a package in the distro would use it so quickly.
> >
> > In any case, ld.gold is an unmaintained linker for years, just use ld.bfd
> > instead.

I checked the git history for AusweisApp and ld.gold has always been a 
preferred linker on non-Android. I do not know why, git log only has 
version numbers in it.
As a matter of fact, gold has been demoted to a fallback option with lld 
being preferred now:

https://github.com/Governikus/AusweisApp/blob/d0d3956a825237e957795954e7c727...
> It looks like this is a problem in the latest binutils build actually:
> https://bugzilla.redhat.com/show_bug.cgi?id=2259333
>
> Fabio

Thanks! I have added myself to the CC list.

Best regards,
Julian
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[Florian Weimer]

* Julian Sikorski:
> AusweisApp2-2.0.3 build failed on rawhide/x86_64 with unsupported
> reloc 43 errors [1]. Other architectures have built fine, similarly to
> released branches. Is this a problem with rawhide ld.gold?
>
> Best regards,
> Julian
>
> [1] https://koji.fedoraproject.org/koji/taskinfo?taskID=112033714

From the build log:

/usr/include/qt6/QtCore/qmetatype.h:1320: error: unsupported reloc 43
/builddir/build/BUILD/AusweisApp-2.0.3/src/workflows/base/controller/WorkflowController.cpp:17: error: unsupported reloc 43
/builddir/build/BUILD/AusweisApp-2.0.3/src/workflows/base/states/StateCheckRefreshAddress.cpp:400: error: unsupported reloc 43
/usr/include/qt6/QtCore/qsharedpointer_impl.h:704: error: unsupported reloc 43

Most likely a duplicate of bug 2259333.

Thanks,
Florian