+
+ifeq ($(uname_S),Darwin)
+ TKFRAMEWORK = /Library/Frameworks/Tk.framework/Resources/Wish.app
+ ifeq ($(shell expr "$(uname_R)" : '9\.'),2)
+ TKFRAMEWORK = /System/Library/Frameworks/Tk.framework/Resources/Wish\ Shell.app
+ endif
+ TKEXECUTABLE = $(shell basename "$(TKFRAMEWORK)" .app)
+endif