https://stackoverflow.com › questions › 61550884
c - gcc "undefined reference to" - Stack OverflowThis is the message: carson@carson-Q303UA:~/Desktop/Github/ccomputing$ make. gcc -Wall -Werror test.c -o test polynomial.o counting.o -g -std=c99. /tmp/ccfRUFXx.o: In function `main': /home/carson/Desktop/Github/ccomputing/test.c:40: undefined reference to `pymat_create'
https://stackoverflow.com › questions › 22426574
c++ - gcc: undefined reference to - Stack OverflowRunning 'gcc -I$HOME/ffmpeg/include program.c -L$HOME/ffmpeg/lib -lavcodec' gives 6 undefined reference errors. Some of the methods are from libavcodec and the others are from libavutil. So I added -lavutil at the end of the command and it compiled.
https://www.geeksforgeeks.org › fix-undefined-reference-error-in-cpp
How to Fix Undefined Reference Error in C++? - GeeksforGeeksWe encounter the ‘undefined reference’ error in C++ mostly due to issues with function or variable definitions, improper linking, or scope/naming problems. By careful checking the code and build process for these common issues, we can successfully resolve this error.
https://askubuntu.com › questions › 977858
Why do I get "undefined reference" errors compiling a simple C++ ...Instead, you should use g++ in place of gcc, which links libstdc++ automatically. Ex. given $ cat hello.cpp #include <iostream> int main(void) { std::cout << "Hello world" << std::endl; return 0; }
https://unix.stackexchange.com › questions › 216836
Undefined reference to math functions when linking with gccThe libraries being linked to should be specified after there is a reference to them. Thus, you will change the command to: gcc -g -O2 -fopenmp -L/usr/lib -o lenstool_tab e_nfwg.o lenstool_tab.o midpnt.o nrutil.o polint.o qromo.o read_bin.o lenstool_tab.o -lcfitsio -lm This should fix your problem. You can possibly fix the problem in ...
https://askubuntu.com › questions › 194193
gcc - Why do I get "undefined reference" errors when linking against ...1 Answer. Sorted by: 18. The solution is as simple as adding the -l flags at the end: gcc test.c -o test -lssl -lcrypto.
https://askubuntu.com › questions › 1348199
compiling - C++ Undefined reference to a function - Ask Ubuntug++ fails with an undefined reference to symbol 'dlclose@@GLIBC_2.2.5' even with '-ldl'
https://riptutorial.com › c › example › 12342 › undefined-reference-errors-when-linking
C Language Tutorial => Undefined reference errors when linkingLearn how to fix the common error "undefined reference to" when compiling and linking C programs. See examples of declaration, definition, and library issues and solutions.
https://blog.csdn.net › qq_16542775 › article › details › 81353841
gcc "undefined reference to" 问题解决方法 - CSDN博客"undefined reference to" 是GCC编译器的一个错误提示，意味着在链接阶段找不到符号的定义。引用提供了一个示例，其中在链接阶段报告了一个 "undefined reference to `func_d'" 的错误。这个错误的原因是在链接的时候，c.o中的func_c依赖于libd.a中的func_d，但是链接的 ...
https://www.reddit.com › ... › comments › kft4r1 › compiling_a_c_library_with_gcc_undefined
compiling a c++ library with gcc, undefined reference to main"undefined reference to main" means that you weren't just compiling, you were linking. You don't typically compile a header file on its own; there's usually a .cpp that goes with it, to contain the implementation. With gcc, you'd compile that to object code with the "-c" option.
