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bpo-36465: Make release and debug ABI compatible (GH-12615)

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Release build and debug build are now ABI compatible: the Py_DEBUG
define no longer implies Py_TRACE_REFS define which introduces the
only ABI incompatibility.

A new "./configure --with-trace-refs" build option is now required to
get Py_TRACE_REFS define which adds sys.getobjects() function and
PYTHONDUMPREFS environment variable.

Changes:

* Add ./configure --with-trace-refs
* Py_DEBUG no longer implies Py_TRACE_REFS
This commit is contained in:
Victor Stinner 2019-04-25 00:56:28 +02:00 • committed by GitHub
parent 888f37bc28
commit f4e4703e74
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7 changed files with 57 additions and 14 deletions
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Doc/using/cmdline.rst
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@ -922,15 +922,18 @@ conflict.
Debug-mode variables
~~~~~~~~~~~~~~~~~~~~
Setting these variables only has an effect in a debug build of Python, that is,
if Python was configured with the ``--with-pydebug`` build option.
Setting these variables only has an effect in a debug build of Python.
.. envvar:: PYTHONTHREADDEBUG
If set, Python will print threading debug info.
Need Python configured with the ``--with-pydebug`` build option.
.. envvar:: PYTHONDUMPREFS
If set, Python will dump objects and reference counts still alive after
shutting down the interpreter.
Need Python configured with the ``--with-trace-refs`` build option.