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When run C++17 kernel in Jupyter notebook cause some errors
due to currently clang-5.0 in https://root.cern.ch/download/cling/ is not
support c++17.
So add support to C++1z for Jupyter kernel and we can try some new
features in Jupyter notebook.
for avoiding following error:
[I 05:46:38.253 NotebookApp] Kernel restarted:
d3413fa0-7046-4b63-912b-a286610eacc1
error: invalid value 'c++17' in '-std=c++17'
note: use 'c++98' or 'c++03' for 'ISO C++ 1998 with amendments' standard
note: use 'gnu++98' or 'gnu++03' for 'ISO C++ 1998 with amendments and
GNU extensions' standard
note: use 'c++11' for 'ISO C++ 2011 with amendments' standard
note: use 'gnu++11' for 'ISO C++ 2011 with amendments and GNU
extensions' standard
note: use 'c++14' for 'ISO C++ 2014 with amendments' standard
note: use 'gnu++14' for 'ISO C++ 2014 with amendments and GNU
extensions' standard
note: use 'c++1z' for 'Working draft for ISO C++ 2017' standard
note: use 'gnu++1z' for 'Working draft for ISO C++ 2017 with GNU
extensions' standard
I encountered the following error and the above change fixed it
Nov 22 22:37:47 thesis jupyter[2811]: [I 22:37:47.646 NotebookApp] The Jupyter Notebook is running at: http://0.0.0.0:8888/
Nov 22 22:37:47 thesis jupyter[2811]: [I 22:37:47.646 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).
Nov 22 22:38:20 thesis jupyter[2811]: [I 22:38:20.303 NotebookApp] Kernel started: e416bf37-4f24-4aee-8e25-45c6fbbb85e6
Nov 22 22:38:21 thesis jupyter[2811]: [ClingKernelApp] CRITICAL | Bad config encountered during initialization:
Nov 22 22:38:21 thesis jupyter[2811]: [ClingKernelApp] CRITICAL | The 'std' trait of a ClingKernel instance must be any of ['c++11', 'c++14', 'c++17'], but a value of 'c++1z' <class 'str'> was specified.
Nov 22 22:38:23 thesis jupyter[2811]: [I 22:38:23.308 NotebookApp] KernelRestarter: restarting kernel (1/5)
Nov 22 22:38:24 thesis jupyter[2811]: [ClingKernelApp] CRITICAL | Bad config encountered during initialization:
Nov 22 22:38:24 thesis jupyter[2811]: [ClingKernelApp] CRITICAL | The 'std' trait of a ClingKernel instance must be any of ['c++11', 'c++14', 'c++17'], but a value of 'c++1z' <class 'str'> was specified.
Nov 22 22:38:26 thesis jupyter[2811]: [I 22:38:26.326 NotebookApp] KernelRestarter: restarting kernel (2/5)
Nov 22 22:38:27 thesis jupyter[2811]: [ClingKernelApp] CRITICAL | Bad config encountered during initialization:
Nov 22 22:38:27 thesis jupyter[2811]: [ClingKernelApp] CRITICAL | The 'std' trait of a ClingKernel instance must be any of ['c++11', 'c++14', 'c++17'], but a value of 'c++1z' <class 'str'> was specified.
Nov 22 22:38:29 thesis jupyter[2811]: [I 22:38:29.332 NotebookApp] KernelRestarter: restarting kernel (3/5)
Nov 22 22:38:30 thesis jupyter[2811]: [W 22:38:30.348 NotebookApp] Timeout waiting for kernel_info reply from e416bf37-4f24-4aee-8e25-45c6fbbb85e6
Nov 22 22:38:30 thesis jupyter[2811]: [I 22:38:30.365 NotebookApp] New terminal with specified name: 1
Nov 22 22:38:30 thesis jupyter[2811]: [ClingKernelApp] CRITICAL | Bad config encountered during initialization:
Nov 22 22:38:30 thesis jupyter[2811]: [ClingKernelApp] CRITICAL | The 'std' trait of a ClingKernel instance must be any of ['c++11', 'c++14', 'c++17'], but a value of 'c++1z' <class 'str'> was specified.
Nov 22 22:38:32 thesis jupyter[2811]: [I 22:38:32.338 NotebookApp] KernelRestarter: restarting kernel (4/5)
Nov 22 22:38:32 thesis jupyter[2811]: WARNING:root:kernel e416bf37-4f24-4aee-8e25-45c6fbbb85e6 restarted
Nov 22 22:38:32 thesis jupyter[2811]: [W 22:38:32.664 NotebookApp] Session not found: session_id='19509685-b888-480b-897b-be2cc8fed1cc'
Nov 22 22:38:32 thesis jupyter[2811]: [W 22:38:32.665 NotebookApp] 404 DELETE /api/sessions/19509685-b888-480b-897b-be2cc8fed1cc (192.168.0.24) 3.67ms referer=http://192.168.0.31:8888/notebooks/Untitled.ipynb?kernel_name=cling-c++17
Nov 22 22:38:33 thesis jupyter[2811]: [ClingKernelApp] CRITICAL | Bad config encountered during initialization:
Nov 22 22:38:33 thesis jupyter[2811]: [ClingKernelApp] CRITICAL | The 'std' trait of a ClingKernel instance must be any of ['c++11', 'c++14', 'c++17'], but a value of 'c++1z' <class 'str'> was specified.
Nov 22 22:38:35 thesis jupyter[2811]: [W 22:38:35.349 NotebookApp] KernelRestarter: restart failed
Nov 22 22:38:35 thesis jupyter[2811]: [W 22:38:35.350 NotebookApp] Kernel e416bf37-4f24-4aee-8e25-45c6fbbb85e6 died, removing from map.
Nov 22 22:38:35 thesis jupyter[2811]: ERROR:root:kernel e416bf37-4f24-4aee-8e25-45c6fbbb85e6 restarted failed!
Nov 22 22:38:35 thesis jupyter[2811]: ERROR:root:kernel e416bf37-4f24-4aee-8e25-45c6fbbb85e6 restarted failed!
Nov 22 22:38:35 thesis jupyter[2811]: [W 22:38:35.368 NotebookApp] Kernel deleted before session
Nov 22 22:38:35 thesis jupyter[2811]: [W 22:38:35.369 NotebookApp] 410 DELETE /api/sessions/ff344691-8fd6-4207-902e-01c944bdf7ae (192.168.0.24) 2.13ms referer=http://192.168.0.31:8888/notebooks/Untitled.ipynb
