[webkit-dev] Request for upgrading xcode toolchains in Apple bots for C++17

[Alexey Proskuryakov]

Hi,

To clarify, are you asking specifically for mac-32bit EWS to be upgraded? It has Xcode 9.2, and can be upgraded to 9.3.1 (that will be a multi-step process, as we need to keep the version in sync with several other setups). But macOS Sierra bots have Xcode 8.3.3, and that is the latest release for Sierra.

- Alexey


> 21 мая 2018 г., в 6:44, Yusuke SUZUKI <utatane.tea at gmail.com> написал(а):
> 
> Hi WebKittens, in particular Apple bot maintainers!
> 
> We are about to enable C++17 in all the WebKit ports, and the last step is enabling C++17 for Xcode[1].
> While the latest shipped Xcode (w/ clang) supports C++17 option (`-std=gnu++17`), EWS build bots do not support this. Some build bots accept `-std=c++1z`, this option causes trouble in the latest Xcode (e.g. mac-32bit uses the newer Xcode).
> 
> Can we upgrade Xcodes in EWS and buildbots to the latest ones to accept C++17 option? Once it is done, WebKit starts using fancy C++17 features listed in GCC 6.0.
> 
> Best regards,
> Yusuke Suzuki
> 
> [1]: https://bugs.webkit.org/show_bug.cgi?id=185176 <https://bugs.webkit.org/show_bug.cgi?id=185176>
> 
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- Alexey



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