c编译报错

记录编译报错信息

1. symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1

Undefined symbols for architecture x86_64:
  "_InitContract", referenced from:
      _contract in test-c1cdd7.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

解决：

1 . 在.c文件头引用对应.h头文件
2. gcc *.c -o output