ext: Upgrade PyBind11 to version 2.2.1

This upgrade is necessary for pybind to build with GCC 7.2.

We still need to add the patch for stl.h. MSC_FULL_VER change is no longer
needed.
See https://gem5-review.googlesource.com/c/public/gem5/+/2230

Change-Id: I806729217d022070583994c2dfcaa74476aef30f
Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-on: https://gem5-review.googlesource.com/5801
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>

1 files changed, 1 insertions, 5 deletions

diff --git a/ext/pybind11/docs/advanced/cast/functional.rst b/ext/pybind11/docs/advanced/cast/functional.rst
index 5d0a01d13..d9b460575 100644
--- a/ext/pybind11/docs/advanced/cast/functional.rst
+++ b/ext/pybind11/docs/advanced/cast/functional.rst
@@ -56,14 +56,10 @@ trivial to generate binding code for all of these functions.
 
     #include <pybind11/functional.h>
 
-    PYBIND11_PLUGIN(example) {
-        py::module m("example", "pybind11 example plugin");
-
+    PYBIND11_MODULE(example, m) {
         m.def("func_arg", &func_arg);
         m.def("func_ret", &func_ret);
         m.def("func_cpp", &func_cpp);
-
-        return m.ptr();
     }
 
 The following interactive session shows how to call them from Python.