[3.13] gh-142020: ctypes docs: Note that find_library relies on the programs it runs...

gh-142020: ctypes docs: Note that find_library relies on the programs it runs (GH-142134)
(cherry picked from commit e4d32a3ef9eab34225fd9320632edbce834f4033)

diff --git a/Doc/library/ctypes.rst b/Doc/library/ctypes.rst
index 911e7cb2668a29d5c66b47e493518e1a75a1a0ee..d9cd5f2e265a95f4fc36682f9d228316b271ad53 100644 (file)
--- a/Doc/library/ctypes.rst
+++ b/Doc/library/ctypes.rst
@@ -1335,6 +1335,9 @@ On Linux, :func:`~ctypes.util.find_library` tries to run external programs
 (``/sbin/ldconfig``, ``gcc``, ``objdump`` and ``ld``) to find the library file.
 It returns the filename of the library file.
 
+Note that if the output of these programs does not correspond to the dynamic
+linker used by Python, the result of this function may be misleading.
+
 .. versionchanged:: 3.6
    On Linux, the value of the environment variable ``LD_LIBRARY_PATH`` is used
    when searching for libraries, if a library cannot be found by any other means.
@@ -2037,6 +2040,8 @@ Utility functions
 
    The exact functionality is system dependent.
 
+   See :ref:`ctypes-finding-shared-libraries` for complete documentation.
+
 
 .. function:: find_msvcrt()
    :module: ctypes.util