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Compiling multiple .cpp files in c++ program
Here we will see how to compile multiple cpp file in C++ program. The task is very simple. We can provide the names as a list to the g++ compiler to compile them into one executable file
To compile multiple files like abc.cpp, and xyz.cpp at once, the syntax will be like this −
g++ abc.cpp xyz.cpp
To run the program, we can use this −
./a.out
Example
float area(float r){
return (3.1415*r*r); //area of a circle
}
float area(float l, float w) {
return (l * w); //area of a rectangle
}Example
#include <iostream>
#include "area.cpp"
using namespace std;
main() {
cout << "Area of circle with radius 2.5 is: " << area(2.5) << endl;
cout << "Area of rectangle with length and width are 5 and 7 is: " << area(5, 7) << endl;
}Output
$ g++ area.cpp find_area.cpp $ ./a.out Area of circle with radius 2.5 is: 19.6344 Area of rectangle with length and width are 5 and 7 is: 35 $
Updated on: 30-Jul-2019
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