commit 97418106eb7cf1f6dd660b494939af83b88beda6

Author: David Schwörer <schword2@mail.dcu.ie>

Date:   Mon Nov 25 13:18:33 2019 +0000

    Address needs to be aligned

    This value gets dereferenced by python, but without knowing it's true

    type. Thus a SIGBUS is thrown on some architectures, namely arm. This

    can be avoided by copying it to a larger type first, e.g. long, that

    is sufficiently aligned, and thus can be safely dereferenced by

    python.

diff --git a/tools/pylib/_boutcore_build/helper.h.in b/tools/pylib/_boutcore_build/helper.h.in

index 24c26bdf0..21f264d4c 100644

--- a/tools/pylib/_boutcore_build/helper.h.in

+++ b/tools/pylib/_boutcore_build/helper.h.in

@@ -77,8 +77,9 @@ class PythonModelCallback{

 class PythonModel: public PhysicsModel{

 protected:

   int init(bool restarting) override{

+    long aligned_restarting = restarting;

     if (_init){

-      _init->cy_execute(&restarting);

+      _init->cy_execute(&aligned_restarting);

     }

     return 0;

   };