[libcxx-dev] AArch64 and PowerPC support

[Marshall Clow via libcxx-dev]

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Not out of date, but incomplete.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 * The web pages are out of date, or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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