[GitHub] [incubator-tvm] leezu commented on issue #4958: [RFC] Require C++14 in 0.7 release cycle

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leezu commented on issue #4958: [RFC] Require C++14 in 0.7 release cycle
URL: https://github.com/apache/incubator-tvm/issues/4958#issuecomment-596767825
 
 
   An alternative is to require C++17 which gcc7 supports and ships by default in Ubuntu 18.04.
   C++17 compiler can be used on as old systems as RHEL6 / CentOS 6 from 2010, via Redhats devtoolset. Thus GLIBC 2.12 from 2010 is the minimum glibc required for C++17.
   
   One concern mentioned in the discussion thread is about edge device coverage. Is there any data on the edge devices and supported toolchains?
   
   Further
   
   > Seems MXNet (which uses TVM as submodule) is still stuck on c++11?
   
   We can propose requiring C++17 or C++14 in MXNet 2.
   
   > However, we depend some 3rd party code, for example dmlc-core. We should be careful whether it could accept -std=c++14 / -std=c++1y and have correct macro (such as __cplusplus >= 201103L, not __cplusplus == 201103L)
   
   dmlc-core could also introduce a C++17 or C++14 requirement.

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