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2 Setting your application's icon

To set an icon for your app, you just need to define in your GNUmakefile the variable xxx_APPLICATION_ICON, where xxx is the name of your application. For example, if we put the source code for our application shown before (still to be completed though) in the file MyApp.m, and the application icon in MyApp.png, the GNUmakefile could be as follows:
include $(GNUSTEP_MAKEFILES)/common.make

APP_NAME = MyApplication
MyApplication_APPLICATION_ICON = MyApp.png
MyApplication_RESOURCE_FILES = MyApp.png
MyApplication_OBJC_FILES = MyApp.m 

include $(GNUSTEP_MAKEFILES)/application.make
Please note that you need to list the image in the resource files because you want it to be installed in the application directory (otherwise it can't be found by the app at run-time).