[COMMITTED PATCH] Fix missing __sqrtl_finite symbol in libm on sparc 32-bit.

[Joseph Myers]

On Mon, 25 Jan 2016, David Miller wrote:

> >> You cannot change the ABI after the release.
> > 
> > So do I have to add it to the current GLIBC version?
> 
> And the reason I am asking this is because this symbol is missing from previous
> GLIBC versions and just as I noticed when running the testsuite, probably
> prevents successful linking of some applications.
> 
> What if I want to add this symbol in a backport?

Then your backport needs to add the GLIBC_2.23 symbol version (for older 
versions, that includes updating Versions.def, as new versions were less 
automatic than they are now).  That works fine, from experience.

-- 
Joseph S. Myers
joseph@codesourcery.com