Errors while trying to build boost::priority_queue

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Errors while trying to build boost::priority_queue

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Hi,

When I try to build "priority_queue_example.cpp" it get these warnings(and so errors) pointing to  "priority_queue_example.h" on the line where my priority_queue is declared. The warnings are,


1>  priority_queue_example.cpp
1>c:\Projects\lib\boost\boost\heap\detail\stable_heap.hpp(102): error C2220: warning treated as error - no 'object' file generated
1>c:\Projects\lib\boost\boost\heap\detail\stable_heap.hpp(102): warning C4100: 'rhs' : unreferenced formal parameter
1>          c:\Projects\lib\boost\boost\heap\detail\stable_heap.hpp(102) : while compiling class template member function 'boost::heap::detail::size_holder<false,size_t>::size_holder(const boost::heap::detail::size_holder<false,size_t> &)'
1>          c:\Projects\lib\boost\boost\heap\detail\stable_heap.hpp(189) : see reference to function template instantiation 'boost::heap::detail::size_holder<false,size_t>::size_holder(const boost::heap::detail::size_holder<false,size_t> &)' being compiled
1>          c:\Projects\lib\boost\boost\heap\detail\stable_heap.hpp(151) : see reference to class template instantiation 'boost::heap::detail::size_holder<false,size_t>' being compiled
1>          c:\Projects\lib\boost\boost\heap\priority_queue.hpp(65) : see reference to class template instantiation 'boost::heap::detail::heap_base<T,myObjectPtrCompare,false,unsigned __int64,false>' being compiled
1>          with
1>          [
1>              T=myObject *
1>          ]
1>          c:\Projects\priority_queue_example.h(193) : see reference to class template instantiation 'boost::heap::priority_queue<myObject *,boost::heap::compare<myObjectPtrCompare>,boost::parameter::void_,boost::parameter::void_,boost::parameter::void_>' being compiledcompare<ObjectPtrCompare>,boost::parameter::void_,boost::parameter::void

My priority_queue is declared as,

mutable boost::heap::priority_queue<myObject*, boost::heap::compare<myObjectPtrCompare> > hp;

Can you please help me fix this, I have been trying to for 2 days. Not sure what this means.

This is my comparison class defined,

struct myObjectPtrCompare
{
bool operator()(const myObject* lhs, const myObject* rhs) const
{
return (lhs->getProp() < rhs->getProp());
}
};
 
Thanks!


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Re: Errors while trying to build boost::priority_queue

Boost - Users mailing list
AMDG

On 12/08/2017 09:02 PM, Ram via Boost-users wrote:
>
> When I try to build "priority_queue_example.cpp" it get these warnings(and
> so errors) pointing to  "priority_queue_example.h" on the line where my
> priority_queue is declared. The warnings are,
>

  You can just disable this warning (or don't compile
with warnings as errors).  It's harmless in this
case.

>
> 1>  priority_queue_example.cpp
> 1>c:\Projects\lib\boost\boost\heap\detail\stable_heap.hpp(102): error
> C2220: warning treated as error - no 'object' file generated
> 1>c:\Projects\lib\boost\boost\heap\detail\stable_heap.hpp(102): warning
> C4100: 'rhs' : unreferenced formal parameter
> <snip>
>

In Christ,
Steven Watanabe

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Errors while trying to build boost::priority_queue

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Oh thanks, Steven, its a big project with more than 5000 files etc, so I cant disable treating warnings are errors.Is there anything else I could do?

Thanks!

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