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gh-148721: Add --enable-stackref-debug option #149803

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gh-148721: Add --enable-stackref-debug option #149803

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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Build/2026-05-14-02-16-58.gh-issue-148721.pfvnk9.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
Add a ``./configure --enable-stackref-debug`` option to enable
``Py_STACKREF_DEBUG`` on POSIX platforms.
26 changes: 26 additions & 0 deletions configure
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19 changes: 19 additions & 0 deletions configure.ac
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Expand Up @@ -1800,6 +1800,25 @@ then
AC_MSG_ERROR([--disable-gil cannot be used with --with-trace-refs])
fi

# Check for --enable-stackref-debug
AC_MSG_CHECKING([for --enable-stackref-debug])
AC_ARG_ENABLE([stackref-debug],
AS_HELP_STRING(
[--enable-stackref-debug],
[enable Py_STACKREF_DEBUG]
),
[],
[enable_stackref_debug=no]
)

AC_MSG_RESULT([$enable_stackref_debug])

if test "$enable_stackref_debug" = "yes"
then
AC_DEFINE([Py_STACKREF_DEBUG], [1],
[Define if you want to enable stackref debugging])
fi

# Check for --enable-pystats
AC_MSG_CHECKING([for --enable-pystats])
AC_ARG_ENABLE([pystats],
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3 changes: 3 additions & 0 deletions pyconfig.h.in
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Expand Up @@ -1779,6 +1779,9 @@
/* Define if rl_startup_hook takes arguments */
#undef Py_RL_STARTUP_HOOK_TAKES_ARGS

/* Define if you want to enable stackref debugging */
#undef Py_STACKREF_DEBUG

/* Define if you want to enable internal statistics gathering. */
#undef Py_STATS

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