1 main obj error lnk2019 unresolved external symbol

possible duplicate of What is an undefined reference/ unresolved external symbol error and how do I fix it? Since you have a Main. cpp in your DelveEngine project, I' d guess it' s simply build as an executable ( successfully). cpp DelveEngine ( project [. cpp delveenginetest ( project [. cpp ( TestFramework. error LNK: unresolved external symbol " public: void _ _ thiscall DynamicArray: : put( double) " (? referenced in function _ main. The only time I get this error is when I call the " put" function from the. obj : error LNK: unresolved external symbol " void _ _ cdecl cv: : fastFree( void * ) " (? referenced in function " public: _ _ thiscall cv: : Mat: : ~ Mat( void) " (?

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  • Video:Main symbol unresolved

    External error unresolved

    obj : error LNK: unresolved external symbol " public: _ _ thiscall DynIntStack< char> : : ~ DynIntStack< char> ( void) " (? The most simplest solution to the problem is: Wherever you. The warnings are just that - - warnings. They don' t stop your program from compiling, but you should look at them and try to fix them. Your program actually compiles OK; the errors are keeping it from linking. This error seems to coming from the Linker. Make sure that the required libraries are known to the build system ( visual studio? ) take a look at this link for a similar problem. obj : error LNK: unresolved external symbol. obj: - 1: error: LNK: unresolved external symbol " public: void _ _ thiscall cv: : Mat: : deallocate( void) ". It also might be the final backslash on your INCLUDEPATH that' s the problem. Maybe it' s joining up. The only way to remove the issue is adding the libs one by one, with the complete path. obj: - 1: error: LNK: unresolved external symbol " void _ _ cdecl buildDeck( int, int) ". qmake and build your project( Running qmake do manually to update the path of project, which help to find the mainwindow.

    up vote 1 down vote accepted. Try to delete the complete build folder ( Makefiles included) and recompile. Sometime Qt apps have weird linker errors due to makefiles not being updated by qmake when they should. I can not figure out why I am getting the errors: main. obj: - 1: error: LNK: unresolved external symbol " public: _ _ thiscall. referenced in function _ main and debug\ pointer_ test. exe: - 1: error: LNK1120: 1 unresolved externals.