diff --git a/doc/ext/autodoc.rst b/doc/ext/autodoc.rst
index 7f9a6c61a..c76fb0865 100644
--- a/doc/ext/autodoc.rst
+++ b/doc/ext/autodoc.rst
@@ -184,12 +184,17 @@ inserting them into the page source under a suitable :rst:dir:`py:module`,
 
      .. versionadded:: 0.6
 
-   .. note::
+   * In an :rst:dir:`automodule` directive with the ``members`` option set, only
+     module members whose ``__module__`` attribute is equal to the module name
+     as given to ``automodule`` will be documented.  This is to prevent
+     documentation of imported classes or functions.
+     Set ``imported-members`` option if you want to preven this behavior and
+     document all available members.
+     Note that attributes from imported modules will not be documented,
+     because attribute documentation is discovered by parsing the source file
+     of the current module.
 
-      In an :rst:dir:`automodule` directive with the ``members`` option set, only
-      module members whose ``__module__`` attribute is equal to the module name
-      as given to ``automodule`` will be documented.  This is to prevent
-      documentation of imported classes or functions.
+     .. versionadded:: 1.2
 
 
 .. rst:directive:: autofunction
diff --git a/sphinx/ext/autodoc.py b/sphinx/ext/autodoc.py
index 555a31066..432b9ec29 100644
--- a/sphinx/ext/autodoc.py
+++ b/sphinx/ext/autodoc.py
@@ -364,6 +364,9 @@ class Documenter(object):
         """Check if *self.object* is really defined in the module given by
         *self.modname*.
         """
+        if self.options.imported_members:
+            return True
+
         modname = self.get_attr(self.object, '__module__', None)
         if modname and modname != self.modname:
             return False
@@ -770,6 +773,7 @@ class ModuleDocumenter(Documenter):
         'platform': identity, 'deprecated': bool_option,
         'member-order': identity, 'exclude-members': members_set_option,
         'private-members': bool_option, 'special-members': members_option,
+        'imported-members': bool_option,
     }
 
     @classmethod