如何在 C 中修复“体系结构的未定义符号 x86_64”？

Question

我在 main 中包含一个头文件，但是当我编译 main 时，出现链接器失败的错误。

我试图找到目标文件，但找不到。我认为问题可能出在我的机器上。我是初学者，所以我不知道如何解决这个问题

当我尝试编译代码时出现此错误：

Undefined symbols for architecture x86_64:
"_intClassic", referenced from:
      _main in main-53b7e4.o
  "_intQuadrature", referenced from:
      _main in main-53b7e4.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

@zwol @JonathanLeffer I have 3 files in my project main.c, integral.h and integral.c. integral.c contains the code of the functions intClassic and intQuadrature that allow me to calculate different types of integral. In integral.h I declared the functions and structures I use. Finally in the main I included integral.h . Also $ gcc -o output file1.o file2.o can this command help me ?

Answer 1

在与您的文件相同的目录中，尝试运行命令

gcc main.c integral.c -o integral

这应该将这 2 个文件编译成一个名为 ./integral

的程序

如何在 C 中修复“体系结构的未定义符号 x86_64”？

How to fix " Undefined symbols for architecture x86_64 " in C?

c

linker

linker-errors