Init cmake structure

app/src/main.c

@@ -0,0 +1,19 @@
+#include <stdio.h>
+#include <gtk/gtk.h>
+#include <gtk-graph-view.h>
+
+int main(int argc, char **argv)
+{
+	GtkWidget *main_window;
+
+	printf("Hello World!\n");
+
+	gtk_init(&argc, &argv);
+
+	main_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+	gtk_widget_show(main_window);
+
+	gtk_main();
+
+	return 0;
+}