Stop setting C++ standard flags manually #2251
Merged
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Commit 717d069 does now enforce C++14 in any case.
@ahojnnes This is basically a revert of commit 3a2ae37 and commit 2bc8182.
If compilation with compilers not supporting C++14 might still work, removing the
CMAKE_CXX_STANDARD_REQUIRED
added in commit 717d069 would automatically downgrade to the highest C++ version supported by the compiler.