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:

  [tcl/tclWrapper.cpp:444:37: error: ‘TCL_CHANNEL_VERSION_2’ was not declared in this scope; did you mean ‘TCL_CHANNEL_VERSION_5’?]: [Error in the syntax finding a constant/macro.]

Issue: The constant/macro TCL_CHANNEL_VERSION_2 not declared.
Resolution: Properly declare constant/macro.