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Subject: Re: some odd library loading errors
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On Tue, Nov 17, 2015 at 04:23:56PM +0100, Szabolcs Nagy wrote:
> > $ LD_LIBRARY_PATH=<path-to-gcc-5.2.0-libs> ./a
> > Error relocating <path-to-gcc-5.2.0-libs>/libatomic.so.1: __atomic_store_8: symbol not found
> > Error relocating <path-to-gcc-5.2.0-libs>/libatomic.so.1: __atomic_exchange_8: symbol not found
> > Error relocating <path-to-gcc-5.2.0-libs>/libatomic.so.1: __atomic_load_8: symbol not found
> > Error relocating <path-to-gcc-5.2.0-libs>/libatomic.so.1: __atomic_compare_exchange_8: symbol not found
> > 
> 
> this is a known issue, they use the gnu ifunc extension of
> elf to dispatch between different implementations based on
> the machine at library loadtime.

Oh. Now I see. Indeed you mentioned this earlier.
Bad style gcc.

> build gcc with --disable-gnu-indirect-function

> (then i guess libatomic will always use the
> portable implementation.)

Sigh. Thanks Szabolcs!

Rune