On 13/09/2018 12:21, Stephan Bergmann wrote:
* On macOS, our baseline is Xcode 8 according to <https://cgit.freedesktop.org/libreoffice/core/commit/?id=1079893be5593268eff0867be87b0291546d88c7> "Document baselines". According to <https://en.wikipedia.org/wiki/Xcode#Latest_versions> that means the oldest Apple Clang we need to support corresponds roughly to Clang 3.9. (Unfortunately, the information about what plain Clang the Apple Clang shipped with Xcode corresponds to ends with Xcode 8.2.1 at <https://en.wikipedia.org/wiki/Xcode#Latest_versions>, so it is not immediately clear what benefit any update of our Xcode baseline would bring us Clang-version wise.)
as found on #libreoffice-dev:
Sep 14 11:18:53 <buovjaga> sberg: I found a community of alchemists specialising in deciphering Apple's clang strategy. The latest comments are informative: https://gist.github.com/yamaya/2924292#gistcomment-2683289 Sep 14 11:19:11 <buovjaga> "One particularly informative header is libc++'s __config which defines the _LIBCPP_VERSION macro. For 9.1.0 it is 5000 which suggests it is from somewhere in the 5-series line. While for 10.0.0 (from Beta 6) it is 6000."
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