Linker Error Typeinfo For
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Clang Undefined Reference To Typeinfo
Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Undefined reference to `typeinfo for
The Vtable Symbol May Be Undefined
class' and undefined reference to `vtable for class' [duplicate] up vote 5 down vote favorite 1 This question already has an answer here: Undefined symbols “vtable for …” and “typeinfo for…”? 4 answers I'm dealing with inheritance in C++. I wanted to write a program for addition and subtraction of two arrays. Heres my code: #include here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads frtti with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow undefined reference to vtable for class constructor c++ is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Undefined symbols “vtable for …” and “typeinfo for…”? up vote 30 down vote http://stackoverflow.com/questions/16460522/undefined-reference-to-typeinfo-for-class-and-undefined-reference-to-vtable-f favorite 4 Nearly the final step but still some strange erros.... bash-3.2$ make g++ -Wall -c -g Myworld.cc g++ -Wall -g solvePlanningProblem.o Position.o AStarNode.o PRM.o PRMNode.o World.o SingleCircleWorld.o Myworld.o RECTANGLE.o CIRCLE.o -o solvePlanningProblem Undefined symbols: "vtable for Obstacle", referenced from: Obstacle::Obstacle()in Myworld.o "typeinfo for Obstacle", referenced from: typeinfo for RECTANGLEin RECTANGLE.o typeinfo for CIRCLEin CIRCLE.o ld: symbol(s) not found collect2: ld returned 1 exit status make: *** [solvePlanningProblem] Error 1 http://stackoverflow.com/questions/1693634/undefined-symbols-vtable-for-and-typeinfo-for What's the meaning of vtable and typeinfo? c++ linker-error undefined-reference vtable pure-virtual share|improve this question edited Mar 27 '14 at 15:22 Martin J. 3,90041033 asked Nov 7 '09 at 16:43 Lisa 156359 Remember to go back to your original question and post some code or answer some of the questions people have asked you there. That'll probably get you quicker results. :) –Troubadour Nov 7 '09 at 16:59 i really want to but the site just missing , thanks ,i will go back –Lisa Nov 7 '09 at 17:06 please find the answer here ! stackoverflow.com/questions/1458180/… –Saro Bear Jun 13 '14 at 13:37 add a comment| 4 Answers 4 active oldest votes up vote 59 down vote If Obstacle is an abstract base class, then make sure you declare all its virtual methods "pure virtual": virtual void Method() = 0; The = 0 tells the compiler that this method must be overridden by a derived class, and might not have its own implementation. If the class contains any non-pure virtual functions, then the compiler will assume that they have an implementation somewhere, and its internal structures (vtable and typeinfo) might be generated in the same object file as one of those; here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this http://stackoverflow.com/questions/15154980/linker-error-undefined-reference-to-vtable site About Us Learn more about Stack Overflow the company Business Learn more https://gcc.gnu.org/ml/gcc-help/2010-04/msg00108.html about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Linker error: undefined reference undefined reference to vtable [duplicate] up vote 2 down vote favorite This question already has an answer here: What is an undefined reference/unresolved external symbol error and how do I fix it? 25 answers I'm hoping that you can help me with my problem, this program is a theater reservation program. main.cpp { #include Linker error: undefined reference to typeinfo for A with no-rtti option From: Дмитрий Оксенчук The Vtable Symbol May Be Undefined Because The Class Is Missing Its Key Function