Mac build fix - attempt 9

bt

@@ -825,23 +825,26 @@ def installDependencies():
          abortOnRunFail(subprocess.run(['brew', 'link', '--force', 'qt5']))
 
          #
-         # Now, install MacPorts - per instructions at https://guide.macports.org/#installing.macports.source
-         #
-         # (This is a source install.  In principle, we could install a precompiled binary, but it's a bit painful to do
-         # programatically as even to download the right package you have to know not just the the Darwin version of
-         # MacOS you are running, but also its "release name" (aka "friendly name").  See
+         # In theory, we can now install MacPorts.  However, I didn't manage to get the following working.  The
+         # configure script complains about the lack of /usr/local/.//mkspecs/macx-clang.  So, for now, we comment this
+         # bit out and install MacPorts for GitHub actions via the mac.yml script.
+         #
+         # This is a source install - per instructions at https://guide.macports.org/#installing.macports.source.  In
+         # principle, we could install a precompiled binary, but it's a bit painful to do programatically as even to
+         # download the right package you have to know not just the the Darwin version of MacOS you are running, but
+         # also its "release name" (aka "friendly name").  See
          # https://apple.stackexchange.com/questions/333452/how-can-i-find-the-friendly-name-of-the-operating-system-from-the-shell-term
          # for various ways to do this if we had to, though we might just as easily copy the info
          # from https://en.wikipedia.org/wiki/MacOS#Timeline_of_releases
          #
-         log.debug('Installing MacPorts')
-         abortOnRunFail(subprocess.run(['curl', '-O', 'https://distfiles.macports.org/MacPorts/MacPorts-2.8.1.tar.bz2']))
-         abortOnRunFail(subprocess.run(['tar', 'xf', 'MacPorts-2.8.1.tar.bz2']))
-         abortOnRunFail(subprocess.run(['cd', 'MacPorts-2.8.1/']))
-         abortOnRunFail(subprocess.run(['./configure']))
-         abortOnRunFail(subprocess.run(['make']))
-         abortOnRunFail(subprocess.run(['sudo', 'make', 'install']))
-         abortOnRunFail(subprocess.run(['export', 'PATH=/opt/local/bin:/opt/local/sbin:$PATH']))
+##         log.debug('Installing MacPorts')
+##         abortOnRunFail(subprocess.run(['curl', '-O', 'https://distfiles.macports.org/MacPorts/MacPorts-2.8.1.tar.bz2']))
+##         abortOnRunFail(subprocess.run(['tar', 'xf', 'MacPorts-2.8.1.tar.bz2']))
+##         abortOnRunFail(subprocess.run(['cd', 'MacPorts-2.8.1/']))
+##         abortOnRunFail(subprocess.run(['./configure']))
+##         abortOnRunFail(subprocess.run(['make']))
+##         abortOnRunFail(subprocess.run(['sudo', 'make', 'install']))
+##         abortOnRunFail(subprocess.run(['export', 'PATH=/opt/local/bin:/opt/local/sbin:$PATH']))
 
          # Now install Xalan-C via MacPorts
          log.debug('Installing xalanc via MacPorts')