[TCLCORE] Directions for setting up Tk for macOS/XQuartz

[Erik L. <el...@xs...>]

L.S.

I'm attempting to get Tk running under macOS/XQuartz. My specific goal is to
reproduce on my local system the test failures indicated by the test constraint
"failsOnXQuartz". So I just need to be able to run the test suite from the
  build directory (or directories); I don't need Tk installed for usage by
  a regular user.

My attempt was without succes. Here is what I did:

* I already have a working setup for what I think of as a "regular" build,
   using the command sequence "./configure, make, make test". This setup
   uses the command line tools, installed with xcode-select --install.
* I have succesfully installed XQuartz
* I read the directions for building Tk in section 5 of the README file in the
   macosx subdir. Alas, I understood little of it, and that's mostly due to
   the (Apple-specific?) terminology in there, for example "Framework" and
   "Core Foundation". I don't know what that these terms means in this context.
   I can't tell whether I need a "Framework build" or not.
* Disregarding the above, I built Tk similar to what I did for my regular
   setup, but now using:

       ./configure --disable-aqua

   This build completed without errors.
* However, when running the test suite, doing from the build dir:

      make test

   the result of "tk windowingsystem" remains "aqua", where it should be "x11".

I'm lost and would appreciate very much some direction.

Thanks in advance,
Erik Leunissen.
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