domiyanyue · April 25, 2020 21:44
diff --git a/compile.txt b/compile.txt
 g++ -c main.cpp -o main.o
 g++ -c util.cpp -o util.o
 g++ main.o util.o -o a.out
diff --git a/main.cpp b/main.cpp
 #include <iostream>
 #include "util.h"

 int main(){
  std::cout << foo();
  return 0;
 }
diff --git a/util.cpp b/util.cpp
 #include "util.h"
 int foo(){
  return 1;
 }
diff --git a/util.h b/util.h
 int foo();