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Undefined Reference To Typeinfo For Class

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How to unlink (remove) the special hardlink "." created for a folder? Browse other questions tagged c++ linker g++ or ask your own question. as mentioned by @sergiy, knowning it could be the problem of 'rtti', i managed to workaround it by put the constructor implementation into separate .cpp file and apply '-fno-rtti' compile flags as i am still not quite clear about the internal of this link error, i am not sure whether my solution is general. weblink

What is a Peruvian Word™? I ran into this problem building on Cygwin and then porting code to Linux. And some C and C++ pointers and references too. - (2011-04-09)[3124] C++ - putting the language elements together into a program - (2011-01-08)[3069] Strings, Garbage Collection and Variable Scope in C++ Join them; it only takes a minute: Sign up Linker error: undefined reference to vtable [duplicate] up vote 2 down vote favorite This question already has an answer here: What is http://stackoverflow.com/questions/307352/g-undefined-reference-to-typeinfo

Undefined Reference To Typeinfo For Class

undefined symbol: _ZTIN9Awesomium10DataSourceE nargus May 16, 2014 at 05:52 PM Same here on OSX with XCode5. I am working on a project that compiles using both clang++ and g++. Thanks Much. [#3809]Comment by Anon (published 2010-10-08)You just saved me a lot of time with this page! asked 7 years ago viewed 99564 times active 1 month ago Linked 7 undefined reference to `typeinfo for class' -1 Weird undefined reference error using typeid() in a CRTP 0 undefined

If you declare a pure virtual destructor, you need to define that too. take special attention on boost related things, cause much of it depends on rtti. The fix? Typeinfo C++ Example more hot questions question feed default about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation

What to do when you've put your co-worker on spot by being impatient? Undefined Reference To Typeinfo For Constructor Hot Network Questions How to create a company culture that cares about information security? Note: In case of dynamic library linking you may get a mangled name. A good practice for implementing pure virtual functions is found in this article, and this is to make the function print "Pure virtual function called" and then crash the program. –HelloGoodbye

Different compilers have different strategies for when they generate these structures. The Vtable Symbol May Be Undefined Because The Class Is Missing Its Key Function The error? hope it helps share|improve this answer answered Aug 25 at 22:06 Alex Paniutin 161 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up 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

Undefined Reference To Typeinfo For Constructor

I've resorted to not using DataSources at the moment and using file:// as opposed to asset:// to get around this limitation. http://stackoverflow.com/questions/15154980/linker-error-undefined-reference-to-vtable 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 Undefined Reference To Typeinfo For Class Browse other questions tagged c++ linker-error vtable undefined-reference or ask your own question. Clang Undefined Reference To Typeinfo That fixed my problem after 5 hour searching. –steipete Jul 3 '11 at 13:05 @steipete: glad this is helpful :) –Sergiy Byelozyorov Dec 8 '11 at 10:57 1

I have to work on an older system with gcc 4.4.7. have a peek at these guys however, i think it worth a shot before trying the adaptor way as mentioned by @francois . What to do when you've put your co-worker on spot by being impatient? Red balls and Rings What is a Waterfall Word™? The Vtable Symbol May Be Undefined

What is the difference (if any) between "not true" and "false"? Interval a; won't work, while Interval a(1,2) will. –Dani Oct 11 '11 at 0:40 Re "Its because c++ glues the vtable to the first function" - no, C++ doesn't My main issue is that I'm still getting this for the Square class, which was supposed to inherit from the Polygon class. check over here share|improve this answer edited Jun 23 '15 at 13:20 Peter Mortensen 10.3k1369107 answered Nov 21 '08 at 0:49 Tyler McHenry 46.6k888143 1 Upmodded because I think this is more likely

Perl references.From fish, loaves and apples to money, plastic cards and BACS (Perl references explained)Catchable fatal error in PHP ... Frtti In your class definition, something like: virtual void foo(); Should be defined (inline or in a linked source file): virtual void foo() {} Or declared pure virtual: virtual void foo() = Use c++filt to get it in a readable form.

I wish I could upvote more than once.

Red balls and Rings Can I stop this homebrewed Lucky Coin ability from being exploited? When you declare it without defining it in the same compilation unit, you're indicating that it's defined somewhere else - this means the linker phase will try to find it in Yinipar's first letter with low quality when zooming in What is a Peruvian Word™? Undefined Reference To Vtable For Class Constructor C++ ssage.html • PAGE BUILT: Sat Jun 11 12:16:26 2016 • BUILD SYSTEM: WomanWithCat

To the linker, this looks like an unimplemented virtual function (as in paxdiablo's and cdleary's answers). Not the answer you're looking for? current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. this content I looked for that online, yet still I couldn't find the problem.

See this SO question for more details on linking order with gcc/g++. It looks like your trying to use polymorphism. void LoadWidgets( GroupByState::Ptr resource ); ... }; Then the original implementation: void UI::LoadWidgets( GroupByState::Ptr resource ) { WidgetSet::Ptr tmp( boost::dynamic_pointer_cast< WidgetSet >(resource) ); if( tmp ) { ... } } Stupid Viewable by all users 0 This question (http://answers.awesomium.com/questions/4205/linux-undefined-reference-to-typeinfo-for-awesomiu.html) have a temporary answer we could use while the Awesomium guys get around to actually check Linux and Mac versions of their own

Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Spaced-out numbers What does a profile's Decay Rate actually do? Publishing images for CSS in DXA HTML Design zip Take a ride on the Reading, If you pass Go, collect $200 Why won't a series converge if the limit of the g++ test.cpp -o test /tmp/ccDfCj4N.o: In function `Interval::Interval()': test.cpp:(.text._ZN8IntervalC2Ev[Interval::Interval()]+0x9): undefined reference to `vtable for Interval' /tmp/ccDfCj4N.o: In function `IntInterval::~IntInterval()': test.cpp:(.text._ZN11IntIntervalD0Ev[IntInterval::~IntInterval()]+0x1d): undefined reference to `Interval::~Interval()' /tmp/ccDfCj4N.o: In function `IntInterval::~IntInterval()': test.cpp:(.text._ZN11IntIntervalD1Ev[IntInterval::~IntInterval()]+0x1d): undefined reference

more hot questions question feed lang-cpp about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation What examples are there of funny connected waypoint names or airways that tell a story? The line virtual void fn(); declares fn() without defining it and will cause the error message you asked about. Is it possible to keep publishing under my professional (maiden) name, different from my married legal name?

Join them; it only takes a minute: Sign up Undefined reference to `typeinfo for class' and undefined reference to `vtable for class' [duplicate] up vote 5 down vote favorite 1 This Previous company name is ISIS, how to list on CV? class AbstractGroup { protected: typedef boost::shared_ptr Ptr; ... }; class WidgetSet : public AbstractGroup { protected: typedef boost::shared_ptr Ptr; ... }; Another thing showed up after going back into your code Why use them? - (2010-07-02)[2717] The Multiple Inheritance Conundrum, interfaces and mixins - (2010-04-11)[2673] Multiple Inheritance in C++ - a complete example - (2010-03-12)[2576] What does const mean?

i subclassed one class, and link error like this occurred when i try to instantiate my subclass. Can I stop this homebrewed Lucky Coin ability from being exploited?