Région de recherche :

Date :

https://stackoverflow.com › questions › 5559250

C error: undefined reference to function, but it IS defined

You'll need to specify both files, something like: gcc testpoint.c point.c. ...so that it knows to link the functions from both together. With the code as it's written right now, however, you'll then run into the opposite problem: multiple definitions of main.

https://stackoverflow.com › questions › 8024440

c - What causes the error "undefined reference to (some function ...

It's a linker error. ld is the linker, so if you get an error message ending with "ld returned 1 exit status", that tells you that it's a linker error. The error message tells you that none of the object files you're linking against contains a definition for avergecolumns.

https://openclassrooms.com › forum › sujet › undefined-reference-to-ma-fonction-en-c-36182

undefined reference to (ma fonction) en C. - OpenClassrooms

undefined reference to (ma fonction) en C. Compilation séparée... Sujet résolu. Tetdoss. 16 décembre 2009 à 15:26:22. Bonjour à tous, j'ai longuement essayé de résoudre mon problème seul mais rien y fait. Comment compiler un projet avec plusieurs .c et .h ? J'ai fait une capture d'écran pour visualiser le problème...

https://openclassrooms.com › forum › sujet › les-sources-de-l-erreur-undefined-reference-to

Les sources de l'erreur "undefined reference to" - OpenClassrooms

L'erreur, c'est que l'éditeur de liens n'arrive pas à trouver le symbole référencé dans les fichiers objets qui lui sont passés. Deux cause principales: 1. Projet mal configuré, des fichiers nécessaires ne sont pas compilés. 2. Mélange de C et C++ sans utiliser les conventions nécessaires (extern "C").

https://thelinuxcode.com › undefined-reference-function-c

Resolving the Frustrating "Undefined Reference" Error in C

An undefined reference error occurs when you call a function that is declared but not defined anywhere accessible to the compiler. Since the function body is missing, the compiler raises this error when linking the object files together into an executable.

https://riptutorial.com › c › example › 12342 › undefined-reference-errors-when-linking

C Language Tutorial => Undefined reference errors when linking

One of the most common errors in compilation happens during the linking stage. The error looks similar to this: $ gcc undefined_reference.c. /tmp/ccoXhwF0.o: In function `main': undefined_reference.c:(.text+0x15): undefined reference to `foo'. collect2: error: ld returned 1 exit status.

https://www.developpez.net › forums › d2057214 › c-cpp › c › probleme-erreur-undefined-reference...

Probleme erreur : undefined reference to 'fonction' - C - Developpez.com

J'ai un problème d'erreur sur mon programme sur Codeblocks. J'ai essayé de réinstaller Codeblocks mais ça ne marche pas. À la ligne 9, ça me met « undefined reference to 'intervalle' » et ça à chaque fonction. Merci d'avance.

https://towardsdev.com › navigating-undefined-reference-errors-in-programming-causes-and...

Navigating Undefined Reference Errors in Programming: Causes and ...

An undefined reference error occurs during the linking phase of compilation when the compiler can’t locate the definition of a function or variable declared elsewhere. Potential Causes: Missing Function Definitions: If a function is declared but not defined, the linker can’t find its implementation.

https://codingpointer.com › blogs › c-program-undefined-reference

C Program Undefined Reference Error - codingpointer.com

Explains c program undefined reference error and how to resolve the issue using -lm option with c compiler.

https://visualgdb.com › tutorials › linux › libraries › diagnosing

Fixing the ‘Undefined Reference’ Errors for C/C++ Projects

Fixing the ‘Undefined Reference’ Errors for C/C++ Projects. November 15, 2019 libraries, linux, symbols, troubleshooting, undefined reference. This tutorial shows how to various problems related to missing symbols in C/C++ projects.