Re: glibc 2.27: 3 weeks till release

[Adhemerval Zanella <adhemerval dot zanella at linaro dot org>]

On 11/01/2018 01:44, Dmitry V. Levin wrote:
> Hi,
> 
> We have 3 weeks till the planned release date.
> 
> * There are no release blockers listed in the release page[1], that is,
> either we have no blockers or we haven't recognized them yet.
> I suppose the latter is more likely explanation, so please
> put them on the page.
> 
> * There are 4 features listed as desirable in the release page:
> 
> + Month names in alternative grammatical case
> 
> Very little has changed for the last two weeks, but Carlos volunteered
> to review this series.
> 
> + C11 threads
> 
> This seems to be waiting for review for many weeks.
> Are we still pursuing this?
> 
> + Istvan Kurucsai's malloc security patches
> 
> Likewise, are we still pursuing this?
> 
> + RISC-V port
> 
> The shared part has been committed, all the rest doesn't affect other
> architectures.
> 
> * There are issues not listed in the release page that change ABI:
> 
> + Implement allocate_once [2]
> 
> This is close to be committed.
> 
> + libidn2-based IDNA implementation [3]
> 
> This qualifies as security bug fixes.
> 
> + Regression caused by setjmp changes [4]
> 
> There is going to be another ABI change if these changes are reverted.
> 
> [1] https://sourceware.org/glibc/wiki/Release/2.27
> [2] https://sourceware.org/ml/libc-alpha/2018-01/msg00288.html
> [3] https://sourceware.org/ml/libc-alpha/2018-01/msg00335.html
> [4] https://sourceware.org/ml/libc-alpha/2018-01/msg00268.html

Recent LLVM has added support for _Float128 [1] and its intrinsics [2] 
used in glibc headers.  However it is currently failing on architectures
where long double is already a ieee float 128 (aarch64 for instance).
Szabolcs has opened BZ#22700 [3] and I think we should add it as blocker
for 2.27.

[1] https://reviews.llvm.org/D40673
[2] https://reviews.llvm.org/rL321948
[3] https://sourceware.org/bugzilla/show_bug.cgi?id=22700

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