docs: Update Python bindings docs regarding incompatibility with ARM-based Macs

doc/installation/source/macos.rst

@@ -38,6 +38,8 @@ of Python, please keep the possibility of a virtualenv in mind if you run into P
 For a short guide on virtual environments, please see
 `this link <https://www.dataquest.io/blog/a-complete-guide-to-python-virtual-environments/>`_.
 
+Due to an `upstream limitation with Cppyy <https://github.com/wlav/cppyy/issues/150>`_, Python bindings do not work on macOS machines with Apple silicon (M1 and M2 processors).
+
 Requirements
 ************
 

doc/installation/source/system.rst

@@ -143,6 +143,8 @@ Python bindings (ns-3.37 and newer)
 |ns3| Python support now uses `cppyy <https://cppyy.readthedocs.io/en/latest/>`_.  Version 2.4.2
 is the most recent supported cppyy release; version 3.0.0 is not currently supported.
 
+Due to an `upstream limitation with cppyy <https://github.com/wlav/cppyy/issues/150>`_, Python bindings do not work on macOS machines with Apple silicon (M1 and M2 processors).
+
 Using Python bindings (release 3.30 to ns-3.36)
 ===============================================
 

doc/manual/source/python.rst

@@ -38,11 +38,7 @@ If a user is not interested in Python, no action is needed; the Python bindings
 are only built on-demand by Cppyy, and only if the user enables them in the
 configuration of |ns3|.
 
-It is also important to note that the current capability is provided on a
-lightly maintained basis and not officially supported by the project
-(in other words, we are currently looking for a Python bindings maintainer).
-The Cppyy framework could be replaced if it becomes too burdensome to
-maintain as we are presently doing.
+Due to an `upstream limitation with Cppyy <https://github.com/wlav/cppyy/issues/150>`_, Python bindings do not work on macOS machines with Apple silicon (M1 and M2 processors).
 
 Prior to ns-3.37, the previous Python bindings framework was based on
 `Pybindgen <https://github.com/gjcarneiro/pybindgen>`_.