c++ – What is an undefined reference/unresolved external symbol error and how do I fix it?

Your linkage consumes libraries before the object files that refer to them You are trying to compile and link your program with the GCC toolchain. Your linkage specifies all of the necessary libraries and library search paths If libfoo depends on libbarthen your linkage correctly puts libfoo before libbar. Your linkage fails with undefined reference … Read more