Merge topic 'clang-gnulike-support'

74829f01 Help: Add notes for topic 'clang-gnulike-support'
19669abe Tests: handle string escaping differences with NMake+clang
a2a90f41 Tests: require C++14 for the Tutorial
4819ff96 Tests: fix failures with gnu mode clang on windows
26af0b25 cmake: use correct stack size with gnu mode clang on windows
d44c0db0 clang: setup correct configuration in gnu mode
b7d5ef23 cmGlobalNinjaGenerator: use gnu compatible paths with clang in gnu mode
3d0210d8 binutils: add the llvm-* variants to the tool lists.
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Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Francesco Bertolaccini <francesco@bertolaccini.dev>
Acked-by: Stanislav Ershov <digital.stream.of.mind@gmail.com>
Acked-by: Saleem Abdulrasool <compnerd@compnerd.org>
Merge-request: !2992