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gh-119696: Add an experimental relocatable configure flag #160377

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11 changes: 11 additions & 0 deletions Doc/using/configure.rst
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Expand Up @@ -1073,6 +1073,17 @@ Linker options

Enable building a shared Python library: ``libpython`` (default is no).

.. option:: --enable-relocatable

Enable experimental support for relocatable builds (default is no).
This option currently has no effect on the build.

.. warning::

This feature is under active development. Do not use it in production.

.. versionadded:: 3.16

.. option:: --without-static-libpython

Do not build ``libpythonMAJOR.MINOR.a`` and do not install ``python.o``
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1 change: 1 addition & 0 deletions Makefile.pre.in
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Expand Up @@ -60,6 +60,7 @@ DSYMUTIL= @DSYMUTIL@
DSYMUTIL_PATH= @DSYMUTIL_PATH@

GNULD= @GNULD@
RELOCATABLE= @RELOCATABLE@

# Shell used by make (some versions default to the login shell, which is bad)
SHELL= /bin/sh -e
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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Build/2026-10-22-18-00-00.gh-issue-119696.r3Flag.rst
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@@ -0,0 +1,2 @@
Add the experimental :option:`--enable-relocatable` configure option.
The option currently has no effect on the build.
34 changes: 34 additions & 0 deletions configure
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15 changes: 15 additions & 0 deletions configure.ac
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Expand Up @@ -1594,6 +1594,21 @@ if test "x$enable_profiling" = xyes; then
LDFLAGS="-pg $LDFLAGS"
fi

AC_MSG_CHECKING([for --enable-relocatable])
AC_ARG_ENABLE([relocatable],
AS_HELP_STRING([--enable-relocatable],
[enable experimental relocatable build support (default is no)]),
[], [enable_relocatable=no])
AS_CASE([$enable_relocatable],
[yes|no], [],
[AC_MSG_ERROR([--enable-relocatable must be yes or no])])
AC_MSG_RESULT([$enable_relocatable])
AS_VAR_IF([enable_relocatable], [yes], [
AC_DEFINE([Py_ENABLE_RELOCATABLE], [1],
[Define if --enable-relocatable is used.])
])
AC_SUBST([RELOCATABLE], [$enable_relocatable])

AC_MSG_CHECKING([LDLIBRARY])

# Apple framework builds need more magic. LDLIBRARY is the dynamic
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3 changes: 3 additions & 0 deletions pyconfig.h.in
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Expand Up @@ -1880,6 +1880,9 @@
/* Define if you want to build an interpreter with many run-time checks. */
#undef Py_DEBUG

/* Define if --enable-relocatable is used. */
#undef Py_ENABLE_RELOCATABLE

/* Defined if Python is built as a shared library. */
#undef Py_ENABLE_SHARED

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