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