Yes I'm using GCC 4.7 on OS X. Is there any possible workaround to use inheritance with GCC 4.7? I'm currently using c++11 threads which aren't supported on GCC 4.6 on OS X.
-- Gabe Rives-Corbett Cell: (805) 570-8395 On Friday, May 18, 2012 at 6:00 AM, cplusplus-sig-requ...@python.org wrote: > Send Cplusplus-sig mailing list submissions to > cplusplus-sig@python.org (mailto:cplusplus-sig@python.org) > > To subscribe or unsubscribe via the World Wide Web, visit > http://mail.python.org/mailman/listinfo/cplusplus-sig > or, via email, send a message with subject or body 'help' to > cplusplus-sig-requ...@python.org (mailto:cplusplus-sig-requ...@python.org) > > You can reach the person managing the list at > cplusplus-sig-ow...@python.org (mailto:cplusplus-sig-ow...@python.org) > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Cplusplus-sig digest..." > > > Today's Topics: > > 1. Segmentation Fault with Boost.Python and Inheritance > (Gabe Rives-Corbett) > 2. Re: Segmentation Fault with Boost.Python and Inheritance > (Jonas Wielicki) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Thu, 17 May 2012 17:42:52 -0400 > From: Gabe Rives-Corbett <g...@gaberivescorbett.com > (mailto:g...@gaberivescorbett.com)> > To: cplusplus-sig@python.org (mailto:cplusplus-sig@python.org) > Subject: [C++-sig] Segmentation Fault with Boost.Python and > Inheritance > Message-ID: <61daadfbca6d4c468ef8216b42eba...@gaberivescorbett.com > (mailto:61daadfbca6d4c468ef8216b42eba...@gaberivescorbett.com)> > Content-Type: text/plain; charset="utf-8" > > Hello, > > I'm getting a seg fault when trying to call a virtual method on a base class > from python. Code is below: > > #include <memory> > > namespace boost { > template<class T> const T* get_pointer(const std::shared_ptr<T>& ptr) > { > return ptr.get(); > } > > template<class T> T* get_pointer(std::shared_ptr<T>& ptr) > { > return ptr.get(); > } > } > > #include <Python.h> > #include <boost/python.hpp> > > namespace bp = boost::python; > > class MyBase > { > public: > MyBase(){} > virtual ~MyBase(){} > > virtual void baseTest() { printf("base test\n"); } > }; > > class MyDerived : public MyBase > { > public: > MyDerived() {} > virtual ~MyDerived(){} > > void derivedTest() { printf("derived test\n"); } > }; > > BOOST_PYTHON_MODULE(PythonTest) > { > bp::class_<MyBase, std::shared_ptr<MyBase>>("MyBase") > .def("baseTest", &MyBase::baseTest); > > bp::class_<MyDerived, bp::bases<MyBase>, > std::shared_ptr<MyDerived>>("MyDerived") > .def("derivedTest", &MyDerived::derivedTest); > > bp::implicitly_convertible<std::shared_ptr<MyDerived>, > std::shared_ptr<MyBase>>(); > } > > Does it have to do with using std::shared_ptr for storage? If so is there a > way around this? Any help is appreciated. > > -- > Gabe Rives-Corbett > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://mail.python.org/pipermail/cplusplus-sig/attachments/20120517/c42e81a8/attachment-0001.html> > > ------------------------------ > > Message: 2 > Date: Fri, 18 May 2012 10:41:03 +0200 > From: Jonas Wielicki <j.wieli...@sotecware.net > (mailto:j.wieli...@sotecware.net)> > To: cplusplus-sig@python.org (mailto:cplusplus-sig@python.org) > Subject: Re: [C++-sig] Segmentation Fault with Boost.Python and > Inheritance > Message-ID: <4fb60b1f.2050...@sotecware.net > (mailto:4fb60b1f.2050...@sotecware.net)> > Content-Type: text/plain; charset=ISO-8859-1 > > On 17/05/12 23:42, Gabe Rives-Corbett wrote: > > I'm getting a seg fault when trying to call a virtual method on a base > > class from python. > > I had a similar problem a few days ago. Which g++ version are you using? > I had problems with 4.7.0 (redhat) while 4.6.3 (redhat) was working fine. > > -- > Jonas > > > ------------------------------ > > _______________________________________________ > Cplusplus-sig mailing list > Cplusplus-sig@python.org (mailto:Cplusplus-sig@python.org) > http://mail.python.org/mailman/listinfo/cplusplus-sig > > End of Cplusplus-sig Digest, Vol 44, Issue 17 > ********************************************* > >
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