On Mon, Apr 15, 2024 at 10:55:34AM +0100, Richard W.M. Jones wrote:
>
> Anyone got any idea about this build failure?
>
> https://koji.fedoraproject.org/koji/taskinfo?taskID=116395331
>
> [+] All set and ready to build.
> clang: warning: -Wl,-z,relro: 'linker' input unused
> [-Wunused-command-line-argument]
> clang: warning: -Wl,--as-needed: 'linker' input unused
> [-Wunused-command-line-argument]
> clang: warning: -Wl,-z,pack-relative-relocs: 'linker' input unused
> [-Wunused-command-line-argument]
> clang: warning: -Wl,-z,now: 'linker' input unused
> [-Wunused-command-line-argument]
> clang: warning: -Wl,--build-id=sha1: 'linker' input unused
> [-Wunused-command-line-argument]
> clang: warning: -ldl: 'linker' input unused [-Wunused-command-line-argument]
> clang: warning: -lrt: 'linker' input unused [-Wunused-command-line-argument]
> clang: warning: -lm: 'linker' input unused [-Wunused-command-line-argument]
> clang: error: unsupported argument 'gnu2' to option '-mtls-dialect=' for
> target 'x86_64-redhat-linux-gnu'
>
> AFAICT -mtls-dialect=gnu2 is not added by anything in the spec file or
> in AFL++ sources, so it must be coming from RPM macros?
Never mind, I see what it is, it's from redhat-rpm-config-288-1.fc41.noarch:
$ rpm --eval '%{optflags}'
... -mtls-dialect=gnu2 ...
which clang 18 doesn't understand.
Rich.
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