add window example

Makefile

@@ -5,9 +5,9 @@ CC := $(PREFIX)-gcc
 CXX := $(PREFIX)-g++
 LD := $(PREFIX)-ld
 CPPFLAGS := -I$(SFML_DIR)/include
-LDFLAGS := -L$(SFML_DIR)/lib -lsfml-system -static-libstdc++ -static-libgcc
+LDFLAGS := -L$(SFML_DIR)/lib -lsfml-system -lsfml-window -static-libstdc++ -static-libgcc
 
-all: clock
+all: clock window
 
-clock: clock.cpp
+%: %.cpp
 	$(CXX) -o $@ $(CPPFLAGS) $^ $(LDFLAGS)

window.cpp

@@ -0,0 +1,14 @@
+
+#include <SFML/Window.hpp>
+
+int main()
+{
+    sf::Window App(sf::VideoMode(800, 600, 32), "SFML Window");
+
+    for (;;)
+    {
+        App.Display();
+    }
+
+    return EXIT_SUCCESS;
+}