[cfe-dev] [buildbots][libunwind] Why is libunwind not built / tested on most bots?

[Daniel Sanders via cfe-dev]

I thought clang-cmake-mips checked out libcxx as well but I've just double checked and it doesn't. It seems we lack any MIPS buildbots covering libcxx and libcxxabi. I better fix that since we started shipping them both a couple releases ago.

From: Asiri Rathnayake [mailto:asiri.rathnayake at gmail.com]
Sent: 27 May 2016 13:23
To: Daniel Sanders
Cc: Asiri Rathnayake; nd; cfe-dev at lists.llvm.org
Subject: Re: [cfe-dev] [buildbots][libunwind] Why is libunwind not built / tested on most bots?

Hi Daniel,

The libcxx bots linked from llvm.org<http://llvm.org> (http://lab.llvm.org:8011/console) all seem to test for x86/x86_64 or ARM, I think for those bots it makes sense to build + test libunwind as well.

I agree that making -DLIBCXXABI_USE_LLVM_UNWINDER=ON by default might not be desirable for everyone.

Thanks.

/ Asiri


On Fri, May 27, 2016 at 1:15 PM, Daniel Sanders <Daniel.Sanders at imgtec.com<mailto:Daniel.Sanders at imgtec.com>> wrote:
> Is this an intentional omission? If not, I think it would be good to make them build+test libunwind as well, I don't think it adds a lot of overhead. I can update the bot configurations if you are all happy with allowing libunwind testing.

It's intentional for MIPS. We haven't added MIPS to that libunwind yet.

From: cfe-dev [mailto:cfe-dev-bounces at lists.llvm.org<mailto:cfe-dev-bounces at lists.llvm.org>] On Behalf Of Asiri Rathnayake via cfe-dev
Sent: 27 May 2016 13:11
To: Asiri Rathnayake
Cc: nd; cfe-dev at lists.llvm.org<mailto:cfe-dev at lists.llvm.org>
Subject: Re: [cfe-dev] [buildbots][libunwind] Why is libunwind not built / tested on most bots?

Come to think of it, should we make -DLIBCXXABI_USE_LLVM_UNWINDER=ON the default cmake option?

- Asiri

On Fri, May 27, 2016 at 10:38 AM, Asiri Rathnayake via cfe-dev <cfe-dev at lists.llvm.org<mailto:cfe-dev at lists.llvm.org>> wrote:
Hello,

While going through the list of buildbots for libcxx [1], I realized that only the arm buildbot (Renato) is setup to build+test libunwind [2]. None of the other bots seem to pass the -DLIBCXXABI_USE_LLVM_UNWINDER=ON option. They all seem to checkout the sources but then forgets about libunwind.

Is this an intentional omission? If not, I think it would be good to make them build+test libunwind as well, I don't think it adds a lot of overhead. I can update the bot configurations if you are all happy with allowing libunwind testing.

WDYT?

Thanks.

/ Asiri

[1] http://lab.llvm.org:8011/console
[2] http://lab.llvm.org:8011/builders/libcxx-libcxxabi-arm-linux/builds/1009/steps/cmake/logs/stdio

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