IECore::Object may be used uninitialized, build error

[MrPetru]

Version: Cortex 10.4.6.0, main branch

Description

Hi.

I'm trying to build Cortex at home and I'm getting this error message. One first thing to mention is that I'm using boost-1.81.0 and gcc-12.2.1 (and I'm also trying OpenEXR-3.1, python-3.10) . It looks more like a code issue to me, however my knowledge of c++ is very limited. I can't figure it out so I thought to ask your help. Would you have any suggestion on why this error is happening and what I could try to make it work?

I could turn off the treat warnings as errors flag for the compiler, but I hope to find a better solution.

Steps to Reproduce

This is happening during the build, I'm using scons install ... with some arguments to point the build process to the location of required headers and libraries.

Debug Log

In file included from /home/petru/build/cortexDependencies/usr/include/boost/intrusive_ptr.hpp:16,
                 from include/IECore/RefCounted.h:41,
                 from include/IECorePython/WrapperGarbageCollector.h:42,
                 from include/IECorePython/RefCountedBinding.h:39,
                 from include/IECorePython/RunTimeTypedBinding.h:40,
                 from include/IECorePython/OpBinding.h:39,
                 from src/IECorePython/OpBinding.cpp:37:
In copy constructor 'boost::intrusive_ptr<T>::intrusive_ptr(const boost::intrusive_ptr<T>&) [with T = IECore::Object]',
    inlined from 'IECore::ObjectPtr IECorePython::OpWrapper<T>::doOperation(const IECore::CompoundObject*) [with T = IECore::Op]' at include/IECorePython/OpBinding.h:87:23:
/home/petru/build/cortexDependencies/usr/include/boost/smart_ptr/intrusive_ptr.hpp:91:55: error: '*(const boost::intrusive_ptr<IECore::Object>*)((char*)&<unnamed> + offsetof(boost::python::extract<boost::intrusive_ptr<IECore::Object> >,boost::python::extract<boost::intrusive_ptr<IECore::Object> >::<unnamed>.boost::python::converter::extract_rvalue<boost::intrusive_ptr<IECore::Object> >::m_data.boost::python::converter::rvalue_from_python_data<boost::intrusive_ptr<IECore::Object> >::<unnamed>.boost::python::converter::rvalue_from_python_storage<boost::intrusive_ptr<IECore::Object> >::storage)).boost::intrusive_ptr<IECore::Object>::px' may be used uninitialized [-Werror=maybe-uninitialized]
   91 |     intrusive_ptr(intrusive_ptr const & rhs): px( rhs.px )
      |                                                   ~~~~^~
include/IECorePython/OpBinding.h: In member function 'IECore::ObjectPtr IECorePython::OpWrapper<T>::doOperation(const IECore::CompoundObject*) [with T = IECore::Op]':
include/IECorePython/OpBinding.h:87:70: note: '<anonymous>' declared here
   87 |                                 IECore::ObjectPtr r = boost::python::extract<IECore::ObjectPtr>( o( IECore::CompoundObjectPtr( const_cast<IECore::CompoundObject *>( operands ) ) ) );