Addedd --freestanding to prevent compiler calling memcpy

src/copy.c

@@ -36,7 +36,7 @@ double copy(
     double S, E;
 
     S = getTimeStamp();
-#pragma omp parallel for
+#pragma omp parallel for 
     for (int i=0; i<N; i++) {
         a[i] = b[i];
     }