How to make Makefile?

Makefile_Assignment/main.c

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+/*
+ * =====================================================================================
+ *
+ *       Filename:  main.c
+ *
+ *    Description:  
+ *
+ *        Version:  1.0
+ *        Created:  04/02/24 07:38:54 PM IST
+ *       Revision:  none
+ *       Compiler:  gcc
+ *
+ *         Author:  YOUR NAME (), 
+ *   Organization:  
+ *
+ * =====================================================================================
+ */
+
+#include "common_math/common_math.h"
+#include "complex_math/complex_math.h"
+#include "trig_math/trig_math.h"
+#include <stdio.h>
+
+int main(int argc, char **argv){
+    double res, a = 45.0, b = 90.0;
+    complex_n_t cres, ca,cb;
+    res = a + b;
+    printf("two numbers added = %f\n", res);
+    printf("sine of %f = %f\n", a, sine(a));
+    ca.re = 1.0, ca.imag = 2.0;
+    cb.re = 2.0, cb.imag = 3.0;
+    cres = cadd(ca, cb);
+    printf("adding two complex numbers : %f + %f\n", cres.re, cres.imag);
+
+
+    return 0;
+}