1
 2# goal = mars
 3# init = override hello=file
 4# target = mars: 
 5# ga = 
 6# bovr = 
 7# yovr = override 
 8# cmd = hello=cmd
 9# env = 
10# dashe = -e
11
12moon: hello=1
13moon: override hello+=2
14
15mars: override hello=file
16
17mars: hello+=blue
18mars: override hello+=yellow
19
20satur%: override hello:=3
21satur%: hello+=4
22
23$(info $(hello))
24phobos:; $(info $(hello))
25mars: phobos; $(info $(hello))
26saturn:; $(info $(hello))