Re: [PATCH, rs6000, libstdc++] Add baseline_symbols.txt for powerpc64le-linux-gnu

[David Edelsohn <dje.gcc@gmail.com>]

On Tue, Apr 7, 2015 at 9:45 AM, Jakub Jelinek <jakub@redhat.com> wrote:
> On Tue, Apr 07, 2015 at 08:39:37AM -0500, Bill Schmidt wrote:
>> Posted below the differences from powerpc64-linux-gnu.  A surprising
>> number of additional symbols, but none are missing in the new baseline.
>> (Perhaps powerpc64-linux-gnu needs updating?)
>
> Sure, it needs updating.
>
> So, if I filter the GLIBCXX_3.4.21 and CXXABI_1.3.9 symbols from your diff,
> I get
> grep -v '@@GLIBCXX_3.4.21\|@@CXXABI_1.3.9' /tmp/XX | grep @
>> TLS:8:_ZSt11__once_call@@GLIBCXX_3.4.11
>> TLS:8:_ZSt15__once_callable@@GLIBCXX_3.4.11
>
> which are the two lines you should manually remove.
> But then, it means the powerpc64-linux-gnu and powerpc64le-linux-gnu
> baseline_symbols.txt are identical, so the question is if we really need
> to duplicate it, instead of just telling in the configury that for
> powerpc64le-linux-gnu it should use the powerpc64-linux-gnu
> baseline_symbols.txt.

I thought that they are using the same baseline_symbols.txt at the
moment and Bill's patch explicitly separates them in configure.  If
the files are identical, then no need to separate them and no need for
the patch.  If/when they diverge for a good reason (IEEE long
double?), we can revisit the patch.

Thanks, David