CMake/Source/Checks/cm_cxx17_check.cpp at aaf3c5b32c9e75fb738fcc00228551f678db26d5 - CMake - Gitea - ZeroTwo

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Brad King 31d59ff3b1 Compile CMake as C++17 if supported by the compiler

Add a check that a simple source file can compile as C++17 that uses
some of the features we need.  Do this only when hosted by CMake 3.8
or above because those versions are aware of C++17.

Check for unordered_map as we do in bootstrap since commit 375eca7881
(bootstrap: Check support for unordered_map from compiler mode,
2017-11-30).  Also maintain the existing C++14 cstdio check.

2017-12-22 09:05:54 -05:00

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 #include <cstdio>
 #include <unordered_map>
 int main()
 {
   return 0;
 }