https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48200

--- Comment #43 from Mark Wielaard <mark at gcc dot gnu.org> ---
It looks there is now some support for a symver function attribute. But it only
accepts the single and double @ forms. This makes things a little awkward when
using a symbol foo itself for foo@@DEFAULT_VERSION. It causes the
(non-versioned) foo symbol to still appear in the object, which doesn't work
very nicely when combined with linker version scripts.

For elfutils I had to workaround that by adding foo also to a non-exported
version section, so that the assembler and linker didn't both try to create a
default version for foo:
https://sourceware.org/pipermail/elfutils-devel/2020q2/002609.html

It works, but feels like a hack. Please also support the @@@ symver variant.

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