FYI.

As part of the glibc 2.28 development upstream plans to change the 
ppc64le default ABI for long double from "IBM long double" to 
"IEEE 128-bit long double", this change is documented here:
https://fedoraproject.org/wiki/Changes/PPC64LE_Float128_Transition

We have a potential problem here in that the required changes may 
not be ready for 2018-07-11 mass rebuild per the current
Fedora 29 schedule: https://fedoraproject.org/wiki/Releases/29/Schedule

I will keep the following tickets updated:
(Releng) https://pagure.io/releng/issue/7475
(FESco) https://pagure.io/fesco/issue/1925

Upstream may delay the ABI freeze by two weeks:
https://www.sourceware.org/ml/libc-alpha/2018-06/msg00818.html
which means an  optimal mass rebuild might be a week later on
2018-07-18.

To be clear I am not requesting any change at this point. I am 
only providing a heads-up that there is a potential for a delay 
here or if it comes to it a complete cancellation of the float128 
transition for ppc64le (which we wouldn't like to see, but there 
are deadlines).

Cheers,
Carlos.
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