Given following log snippets, their explanation, and nothing else, explain what failure, if any, occurred during build of this package.

  Snippets are in a format of [X] : [Y], where [X] is a log snippet, and [Y] is the explanation.

  Snippets are delimited with '================'.

  Drawing on information from all snippets, provide a concise explanation of the issue and recommend a solution.

  Explanation of the issue, and recommended solution, should take a handful of sentences.

  Snippets:

  [checking whether g++ supports C++14 features by default... no
checking whether g++ supports C++14 features with -std=gnu++14... no
checking whether g++ supports C++14 features with -std=gnu++1y... no
checking whether g++ supports C++14 features with -std=c++14... no
checking whether g++ supports C++14 features with +std=c++14... no
checking whether g++ supports C++14 features with -h std=c++14... no
checking whether g++ supports C++14 features with -std=c++1y... no
checking whether g++ supports C++14 features with +std=c++1y... no
checking whether g++ supports C++14 features with -h std=c++1y... no
configure: error: *** A compiler with support for C++14 language features is required.
error: Bad exit status from /var/tmp/rpm-tmp.PJ0KwX (%build)
    Bad exit status from /var/tmp/rpm-tmp.PJ0KwX (%build)]: [Description of failures of build]

Issue: There was a check if the compiler has support for required features, but it doesn't.
Resolution: Try another compiler or remove the check.