Updated Makefiles

Task_3/Task_3.1/Makefile

@@ -0,0 +1,35 @@
+# Syntax
+# <target>: <dependencies>
+# 	  <command>
+#	  ...
+
+# variables
+CXX = g++
+CXXFLAGS = -Wall -std=c++11
+
+# standard rule
+all: main
+
+# creating main from main.o and hello_world.a
+# $@ = target
+# $^ = dependencies 
+main: main.o hello_world.a
+	$(CXX) $(CXXFLAGS) -o $@ $^
+
+# creating archive out of object
+# % = filename without ending
+# $@ = target
+# $^ = dependencies 
+%.a: %.o
+	ar rcs $@ $^
+
+# creating object out of cpp
+# % = filename without ending
+# $@ = target
+# $^ = dependencies 
+%.o: %.cpp
+	$(CXX) $(CXXFLAGS) -c -o $@ $^
+
+# remove all objects and archives
+clean:
+	rm -f *.o *.a main

Task_3/Task_3.1/hello_world.cpp

@@ -0,0 +1,9 @@
+#include <iostream>
+#include "hello_world.h"
+
+void hello() {
+    std::cout << "Hello World" << std::endl;
+}
+
+// g++ -c hello_world.cpp -o hello_world.o
+// ar rcs hello_world.a hello_world.o

Task_3/Task_3.1/hello_world.h

@@ -0,0 +1,6 @@
+#ifndef HELLO_WORLD_H
+#define HELLO_WORLD_H
+
+void hello();  // Deklaration der Funktion
+
+#endif

Task_3/Task_3.1/main.cpp

@@ -0,0 +1,7 @@
+#include <iostream>
+#include "hello_world.h"
+
+int main(){
+    hello();
+    return 0;
+}