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Diffstat (limited to 'Doc/using/configure.rst')
| -rw-r--r-- | Doc/using/configure.rst | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/Doc/using/configure.rst b/Doc/using/configure.rst index 3d3776acbc7..b914d3397b6 100644 --- a/Doc/using/configure.rst +++ b/Doc/using/configure.rst @@ -302,14 +302,21 @@ General Options .. option:: --enable-experimental-jit=[no|yes|yes-off|interpreter] - Indicate how to integrate the :ref:`JIT compiler <whatsnew313-jit-compiler>`. - - * ``no`` - build the interpreter without the JIT. - * ``yes`` - build the interpreter with the JIT. - * ``yes-off`` - build the interpreter with the JIT but disable it by default. - * ``interpreter`` - build the interpreter without the JIT, but with the tier 2 enabled interpreter. - - By convention, ``--enable-experimental-jit`` is a shorthand for ``--enable-experimental-jit=yes``. + Indicate how to integrate the :ref:`experimental just-in-time compiler <whatsnew314-jit-compiler>`. + + * ``no``: Don't build the JIT. + * ``yes``: Enable the JIT. To disable it at runtime, set the environment + variable :envvar:`PYTHON_JIT=0 <PYTHON_JIT>`. + * ``yes-off``: Build the JIT, but disable it by default. To enable it at + runtime, set the environment variable :envvar:`PYTHON_JIT=1 <PYTHON_JIT>`. + * ``interpreter``: Enable the "JIT interpreter" (only useful for those + debugging the JIT itself). To disable it at runtime, set the environment + variable :envvar:`PYTHON_JIT=0 <PYTHON_JIT>`. + + ``--enable-experimental-jit=no`` is the default behavior if the option is not + provided, and ``--enable-experimental-jit`` is shorthand for + ``--enable-experimental-jit=yes``. See :file:`Tools/jit/README.md` for more + information, including how to install the necessary build-time dependencies. .. note:: |