[libcxx-dev] AArch64 and PowerPC support

[Itaru Kitayama via libcxx-dev]

Testing Times were 191 seconds for check-libcxx and 32 seconds for
check-libcxxabi
on POWER8, but given there are some unexpected failures during the tests,
executing
failure tests only with lit helps us.

On Wed, Sep 4, 2019 at 5:03 AM Itaru Kitayama <itaru.kitayama at gmail.com>
wrote:

> Marshall,
> Then may I ask you to update (make the doc in sync with the latest trunk)
> it for us? Running all the jobs on POWER8 should not take longer either
> though.
>
> On Tue, Sep 3, 2019 at 22:57 Marshall Clow <mclow.lists at gmail.com> wrote:
>
>>
>>
>> On Tue, Sep 3, 2019 at 2:05 AM Itaru Kitayama <itaru.kitayama at gmail.com>
>> wrote:
>>
>>> Ah thanks for listing the targets executed during the job.
>>>
>>> “Testing libc++”
>>> https://libcxx.llvm.org/docs/TestingLibcxx.html
>>>
>>> I am having problems to follow their instructions, but I suspect it is
>>> out of date?
>>>
>>
>> Not out of date, but incomplete. :-(
>>
>> You can run lit manually to run a subset of the tests (and I do this most
>> every day),
>> but to run the entire test suite you just run `make check-libcxx` from
>> your build directory (as Diana has mentioned).
>> [ On a i5 x86 laptop, this takes about 25 minutes ]
>>
>> -- Marshall
>>
>>
>>
>>>
>>> On Tue, Sep 3, 2019 at 17:50 Diana Picus <diana.picus at linaro.org> wrote:
>>>
>>>> On Mon, 2 Sep 2019 at 10:48, Itaru Kitayama <itaru.kitayama at gmail.com>
>>>> wrote:
>>>> >
>>>> > Hi,
>>>> >
>>>> > Would you be able to execute the libc++ test suite just after the
>>>> build is finished? I’ve been trying to do that on our local HPE Apollo, but
>>>> no luck.
>>>>
>>>> I'm not sure what you mean by that. The bots run
>>>> $ make cxxabi
>>>> $ make cxx
>>>> $ make check-libcxx
>>>> $ make check-libcxxabi
>>>>
>>>> For check-libcxx we have
>>>>
>>>>   Expected Passes    : 6108
>>>>   Expected Failures  : 38
>>>>   Unsupported Tests  : 149
>>>>
>>>> And for check-libcxxabi we have
>>>>
>>>>   Expected Passes    : 53
>>>>   Unsupported Tests  : 10
>>>>
>>>> What do you see on your machine?
>>>>
>>>> Cheers,
>>>> Diana
>>>>
>>>> > On Mon, Sep 2, 2019 at 17:39 Diana Picus <diana.picus at linaro.org>
>>>> wrote:
>>>> >>
>>>> >> On Fri, 30 Aug 2019 at 17:52, Marshall Clow via libcxx-dev
>>>> >> <libcxx-dev at lists.llvm.org> wrote:
>>>> >> >
>>>> >> >
>>>> >> >
>>>> >> > On Fri, Aug 30, 2019 at 8:48 AM Itaru Kitayama via libcxx-dev <
>>>> libcxx-dev at lists.llvm.org> wrote:
>>>> >> >>
>>>> >> >> Marshall,
>>>> >> >> If I look at the libc++ LLVM page, the architectures like AArch64
>>>> and
>>>> >> >> PowerPC with Linux are still not marked as "Supported." What are
>>>> the
>>>> >> >> time frame for them to be properly supported?
>>>> >> >> On POWER8 I seem to build and use libc++, but not throughly using
>>>> the
>>>> >> >> libc++ test suite for the complete coverage.
>>>> >> >>
>>>> >> >
>>>> >> > I suspect that means that either:
>>>> >> > * The web pages are out of date, or
>>>> >> > * We don't have bots for them - so they're not really tested.
>>>> >> >
>>>> >> > I know that people are using libc++ on 64 bit ARM platforms (both
>>>> iOS and Android, for example)
>>>> >>
>>>> >> For the record, we have buildbots for AArch64 Linux here:
>>>> >>
>>>> http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-aarch64-linux
>>>> >>
>>>> http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-aarch64-linux-noexceptions
>>>> >>
>>>> >> They're red at the time of writing, but we're actively maintaining
>>>> >> them and will bring them back to green asap.
>>>> >>
>>>> >> Please let us know if there are any other requirements or if we
>>>> should
>>>> >> be testing other configs as well (at the time being we're only
>>>> >> compiling with clang, is gcc also a must?).
>>>> >>
>>>> >> Cheers,
>>>> >> Diana
>>>> >>
>>>> >> > I'll put it on my TODO list.
>>>> >> >
>>>> >> > -- Marshall
>>>> >> >
>>>> >> > _______________________________________________
>>>> >> > libcxx-dev mailing list
>>>> >> > libcxx-dev at lists.llvm.org
>>>> >> > https://lists.llvm.org/cgi-bin/mailman/listinfo/libcxx-dev
>>>>
>>>
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