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Re: [patch ping] libstdc++ testsuite cxxflags


On 05/20/2014 02:11 AM, Jonathan Wakely wrote:
> On 19/05/14 14:57 -0600, Sandra Loosemore wrote:
>> On 05/17/2014 04:07 AM, Jonathan Wakely wrote:
>>> On 17 May 2014 10:50, Jonathan Wakely wrote:
>>>> On 17 May 2014 01:16, Sandra Loosemore wrote:
>>>>> It appears that this patch from last fall never got reviewed.
>>>>>
>>>>> https://gcc.gnu.org/ml/gcc-patches/2013-10/msg02340.html
>>>>>
>>>>> Can someone take a look?  I'll commit the patch on Cesar's behalf
>>>>> if it's
>>>>> approved.
>>>>
>>>> Libstdc++ patches need to go to the libstdc++ list, which this did, in
>>>> a separate mail that broke the threading:
>>>> https://gcc.gnu.org/ml/libstdc++/2013-10/msg00224.html
>>>> Then archives's inability to thread betweem months broke it again:
>>>> https://gcc.gnu.org/ml/libstdc++/2013-11/msg00113.html
>>>>
>>>> I approved it then withdrew that approval:
>>>> https://gcc.gnu.org/ml/libstdc++/2013-11/msg00120.html
>>>> then the patch got revised:
>>>> https://gcc.gnu.org/ml/libstdc++/2013-11/msg00122.html
>>>>
>>>> I'll have to refresh my memory about it.
>>
>> Whoops, I totally missed that there was already a separate thread on
>> the libstdc++ mailing list only.  My bad.  :-(
>>
>>> I think I'm happiest with the second version of the patch, in
>>> https://gcc.gnu.org/ml/libstdc++/2013-11/msg00114.html
>>>
>>> It does mean a change that might affect people using CXXFLAGS when
>>> running the tests, so we might want to update
>>> https://gcc.gnu.org/onlinedocs/libstdc++/manual/test.html where it says
>>> "Or, just run the testsuites with CXXFLAGS set to -D_GLIBCXX_DEBUG or
>>> -D_GLIBCXX_PARALLEL."
>>
>> I came up with the attached patch for the wording change.  I'm having
>> trouble regenerating the HTML version of the manual, though; it looks
>> like I have a different version of the DocBook stylesheets around that
>> are introducing lots of extraneous changes, and I'm not sure what the
>> "right" version is.  :-S  Any suggestions?
> 
> You always get hundreds of changes, DocBook generates unique numeric
> id attributes, which are different every run. Don't worr yabout the
> docs, I can sort them out. If you and Cesar are happy with the patch
> in https://gcc.gnu.org/ml/libstdc++/2013-11/msg00114.html then please
> go ahead and commit that version, thanks.

Looking back at my notes, this patch addresses the libstdc++ atomics
test failures when using a custom site.exp. Without the -O2 flag, those
tests would fail to link because of the dependency on libatomic.

I'm happy with the second patch. Sandra please commit it.

Thanks,
Cesar


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