Hi all, I believe I was able to narrow the bug down to this line (among other similar ones) (this bug shows upon attempting to build): auto object = chrono_types::make_shared<ChBodyEasyBox>(length, width, height, 100.0, true, true, material);
I made sure the arguments are of the correct types to initialize the object with a matching constructor, but still encounter error LNK2019. I am fairly certain the chrono_types::make_shared<> shared pointer constructor is working, as there are other objects in the source code using this same code that do not produce a LNK2019 error (or any other error). This leads me to believe that it is unlikely that I have linked my libraries improperly. When I try using std::make_shared rather than chrono_types::make_shared, I only encounter a LNK2019 error with the delete operator, whereas using chrono_types::make_shared gives me two LNK2019 errors, involving the new and delete operators. Best, Daniel On Saturday, January 20, 2024 at 6:47:30 PM UTC-5 [email protected] wrote: > Hi Daniel, > Indeed many things changed especially in the recent past, so it's a great > time to update old code. > > It's surely better to look directly to the code instead of the error only, > but I would recommend to check few things: > > - call SetCollisionSystemType on your ChSystem (if you have contacts) > - please mind that the order and number of arguments of ChEasyBody changed > - all the visual and collision shape changed > - the way the ChSurfaceMaterial is passed to the bodies changes > > I would recommend you to check the docs > > https://api.projectchrono.org/manual_core.html > > And the Changelog in the repo! > > > > > > -------- Messaggio originale -------- > Da: Daniel Zhan <[email protected]> > Data: 20/01/24 20:08 (GMT+01:00) > A: ProjectChrono <[email protected]> > Oggetto: [chrono] Unresolved External Symbol in project > > Hi all, > > I've working on a simulation using Project Chrono - it's an old simulation > that someone else completed in 2018 using a presumably older version of > Chrono. I'm using Windows 11, Visual Studio 2022 and cmake to build the > project, and using the most up-to-date version of Chrono to continue > working on said project. > > When attempting to build the project, I'm getting linker errors > (unrecognized external symbol) in Visual Studio Code, specifically: > > LNK2019 unresolved external symbol "__declspec(dllimport) public: static > void * __cdecl chrono::ChFrame<double>::operator new(unsigned __int64)" > (__imp_??2?$ChFrame@N@chrono@@SAPEAX_K@Z) referenced in function "class > std::shared_ptr<class chrono::ChBodyEasyBox> __cdecl > chrono_types::make_shared<class chrono::ChBodyEasyBox,double &,double > &,double &,double,bool,bool,class std::shared_ptr<class > chrono::ChMaterialSurfaceSMC> &,0>(double &,double &,double &,double > &&,bool &&,bool &&,class std::shared_ptr<class > chrono::ChMaterialSurfaceSMC> &)" > (??$make_shared@VChBodyEasyBox@chrono@@AEANAEANAEANN_N_NAEAV?$shared_ptr@VChMaterialSurfaceSMC@chrono@@@std@@$0A@@chrono_types@@YA?AV?$shared_ptr@VChBodyEasyBox@chrono@@@std@@AEAN00$$QEAN$$QEA_N2AEAV?$shared_ptr@VChMaterialSurfaceSMC@chrono@@@2@@Z) > > This error shows a linking problem in that the program could not find the > new operator in ChFrame. I have 3 other errors denoting linker problems > with the delete operator for ChFrame, along with the new and delete operators > for ChLinkLock. I'm wondering if the source files in Project Chrono have > since changed to no longer support these operators or if there's something > wrong with how I built the project. > > Best, > Daniel > > -- > You received this message because you are subscribed to the Google Groups > "ProjectChrono" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/projectchrono/2e8da663-45f5-416d-a1fd-a9e8eb2ff88dn%40googlegroups.com > > <https://groups.google.com/d/msgid/projectchrono/2e8da663-45f5-416d-a1fd-a9e8eb2ff88dn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "ProjectChrono" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/projectchrono/1a27ba57-076c-4237-a1bc-ca42f57bf061n%40googlegroups.com.
