[Bug libfortran/88805] hidden symbol `__cpu_model' is referenced by DSO

[jb at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88805

Janne Blomqvist <jb at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jb at gcc dot gnu.org

--- Comment #3 from Janne Blomqvist <jb at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #2)
> >/usr/bin/ld: a.out: hidden symbol `__cpu_model' in /tmp/gcc9/bin/../lib/gcc/x86_64-pc-linux-gnu/9.0.0/libgcc.a(cpuinfo.o) is referenced by DSO
> 
> 
> Could you figure out which shared library references __cpu_model ?  I doubt
> it is one that GCC just built.
> 
> I suspect it is libc which means your libc is broken.  You will most likely
> need a newer libc which does not reference __cpu_model any more.

libgfortran/generated/matmul_*.c uses __cpu_model. As to why it does that
instead of using the function multiversioning support, well, beats me.