Author: Armin Rigo <ar...@tunes.org>
Branch:
Changeset: r3076:ee1e69d93c23
Date: 2018-01-12 09:57 +0100
http://bitbucket.org/cffi/cffi/changeset/ee1e69d93c23/
Log: Document this PyPy error mode
diff --git a/doc/source/embedding.rst b/doc/source/embedding.rst
--- a/doc/source/embedding.rst
+++ b/doc/source/embedding.rst
@@ -279,12 +279,24 @@
Troubleshooting
---------------
-The error message
+* The error message
cffi extension module 'c_module_name' has unknown version 0x2701
-means that the running Python interpreter located a CFFI version older
-than 1.5. CFFI 1.5 or newer must be installed in the running Python.
+ means that the running Python interpreter located a CFFI version older
+ than 1.5. CFFI 1.5 or newer must be installed in the running Python.
+
+* On PyPy, the error message
+
+ debug: pypy_setup_home: directories 'lib-python' and 'lib_pypy' not
+ found in pypy's shared library location or in any parent directory
+
+ means that the ``libpypy-c.so`` file was found, but the standard library
+ was not found from this location. This occurs at least on some Linux
+ distributions, because they put ``libpypy-c.so`` inside ``/usr/lib/``,
+ instead of the way we recommend, which is: keep that file inside
+ ``/opt/pypy/bin/`` and put a symlink to there from ``/usr/lib/``.
+ The quickest fix is to do that change manually.
Issues about using the .so
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