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The error message tells you that none of the object files you're linking against contains a definition for avergecolumns. I am the turnip. I am the turnip. asked 4 years ago viewed 29097 times active 4 years ago Linked 712 What is an undefined reference/unresolved external symbol error and how do I fix it? 0 undefined reference returning this content

The linker neither knows nor cares about header files – it cares about .a and .lib files. This is not actually a message from the compiler, but is emitted by the linker, so the first thing to do is to understand what the linker is, and what it Sep 21, 2014 at 1:34am UTC Zhuge (4639) You need to include GameLoop.cpp on the command line otherwise those function definitions you supply won't be linked in. Is it correct to write "teoremo X statas, ke" in the sense of "theorem X states that"? "the Salsa20 core preserves diagonal shifts" Why does Luke ignore Yoda's advice?

Linker Error Undefined Reference To Function In C

Can an umlaut be written as a line in handwriting? I'll try this when I'm next able to... –Matthew Mitchell Sep 5 '12 at 0:12 Yes, worked perfectly thank you. –Matthew Mitchell Sep 5 '12 at 20:23 3 Here is my function's code(I'm trying to calculate the average of the column in 2D arrays): #include "my.h" void averagecolumns (int x, int y, int** a) { int i; int j; Name spelling on publications C++ delete a pointer (free memory) UV lamp to disinfect raw sushi fish slices Is it legal to bring board games (made of wood) to Australia?

Adv Reply June 15th, 2007 #6 ankursethi View Profile View Forum Posts Private Message Visit Homepage Cookies and cream Join Date Jan 2005 Location India Beans 385 DistroUbuntu 7.10 Gutsy Not the answer you're looking for? Suppose you have two C++ source files: // f1.cpp int foo(); int main() { foo(); } and: // f2.cpp int foo() { return 42; } If you compile f1.cpp on its Undefined Reference C++ I'm not quite sure what causes this error.

I can create the same error by creating this file, called basic.cpp: Code: #include main() { int x; x = 100; printf("x = %d\n",x); } and compiling it with gcc: Undefined Reference Error In C It was C. The column averages are: \n"); for(i = 0; i < x; i++) { for(j = 0; j < y; j++) { sum += a[i][j]; colAvg = sum / (float)x; } printf("Column: http://stackoverflow.com/questions/14557657/linker-error-c-undefined-reference You may also want to give --no-print-directory to prevent couple lines of useless output.

User contributions on this site are licensed under the Creative Commons Attribution Share Alike 4.0 International License. How To Solve Undefined Reference Error In C Eventually when I changed the name of the function where I was calling it. Uploading a preprint with wrong proofs Kio estas la diferenco inter scivola kaj scivolema? Join Date Dec 2008 Location India Beans 60 DistroUbuntu 9.04 Jaunty Jackalope Re: "Undefined Reference" Error From ld I also had the same problem with the .C file written in Windows.

Undefined Reference Error In C

It's dated 1990. click for more info Previous company name is ISIS, how to list on CV? Linker Error Undefined Reference To Function In C Eventually when I changed the name of the function where I was calling it. Undefined Reference To Function C++ What I did was renamed it to .c.

Related From → c, c++, devtools Leave a Comment Leave a Reply Cancel reply Enter your comment here... news Soft question: What exactly is a solver in optimization? How to deal with a coworker who is making fun of my work? Why aren't there direct flights connecting Honolulu, Hawaii and London, UK? C++ Undefined Reference To Main

If someone could clarify or refine, it would be greaty appreciated! Transcribed 'answer' which is a comment from the OP: I wrote a program that would add all the integers upto the limit Specified. I was getting undefined reference to 'pow' until I moved -lm to the very end of my option string. –IMSoP Nov 19 '14 at 16:41 | show 1 more comment up have a peek at these guys N(e(s(t))) a string The determinant of the matrix Where are sudo's insults stored?

Referee did not fully understand accepted paper 4 dogs have been born in the same week. Undefined Reference To Constructor What is the meaning of the so-called "pregnant chad"? main: producer.o consumer.o AddRemove.o gcc -pthread -Wall -o producer.o consumer.o AddRemove.o As per the gcc manual page, the use of -o switch is as below -o file Place output in file

For that I had to write a function.

I am the turnip. Do you want to help us debug the posting issues ? < is the place to report it, thanks ! Since I don't want to create yet another thread, can somebody familiar with ncurses tell me what's wrong with this code : Code: #include int main (int argc, char* argv[]) Cmake Undefined Reference more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science

share|improve this answer answered Mar 21 '10 at 16:08 David Wheeler 95163 7 +1 Oh, thank you! The time now is 05:09 AM. Hot Network Questions How to find positive things in a code review? check my blog I need help with my Code Dojo.

Adv Reply June 15th, 2007 #4 WW View Profile View Forum Posts Private Message Iced Blended Vanilla Crème Ubuntu Join Date Oct 2004 Beans 1,532 Re: "Undefined Reference" Error From