On Fri, Jan 26, 2018 at 12:29 PM, Tom Mason <wheyb...@wheybags.com> wrote:
> Hi,
> I've got a project here: https://github.com/wheybags/glibc_version_header
> which uses .symver directives to link to a specified version of glibc, so
> long as it's older than the version on your system.
> This works, but a problem I'm having is that gcc itself will sometimes
> insert calls to memcpy (or memmove, memset and memcmp), as documented here:
> https://gcc.gnu.org/onlinedocs/gcc/Standards.html
> When it does so, it doesn't respect the .symver directives, and uses the
> default version.
> Is there any way for me to force the version for these symbols aswell?
> I'm aware that I can disable the whole mechanism with -freestanding, but I
> don't want to cripple the optimiser.

I think this is related to:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67220

-- 
H.J.

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