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From Andy Schwartzmeyer <andsc...@microsoft.com.INVALID>
Subject RE: Dropping support for Apple Clang
Date Thu, 10 Aug 2017 16:58:03 GMT
Do it. The fewer “officially” supported compilers the better, it’s easier on everyone.

From: Michael Park<mailto:mpark@apache.org>
Sent: Friday, July 28, 2017 5:38 PM
To: dev<mailto:dev@mesos.apache.org>
Subject: Dropping support for Apple Clang

I'd like to drop support for Apple Clang.

With the C++14 upgrade, we'll be requiring many distros to fetch a newer
compiler. In most cases it only takes a few commands to get a newer
compiler. This is also true of OS X, where clang-4.0 can be easily
installed with `brew install llvm`.

The current codebase does not compile with Apple Clang under C++14 mode. We
could choose to investigate whether this is a Mesos bug or an Apple Clang
bug, but after doing a brief investigation myself, I feel like it's not
worth the effort. There are already cases where we need to install a new
compiler on OS X due to Apple Clang releases based on clang-3.8 (MESOS-5745
<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fissues.apache.org%2Fjira%2Fbrowse%2FMESOS-5745&data=04%7C01%7Candschwa%40microsoft.com%7C91ce5c0c42f84ce851aa08d4d61a2ac9%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636368855258582598%7CUnknown%7CVW5rbm93bnx7IlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiT3RoZXIifQ%3D%3D%7C-1&sdata=ZzHd5rxJupR4Kr4fkoLgvj52DZu7ya3%2FT7D2SCwk1f4%3D&reserved=0>).

Not that Apple Clang was "officially" supported anyway, but we have had
minor workarounds (e.g., THREAD_LOCAL) to support it.

Please let me know what you think!

Thanks,

MPark


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