github.com/westcoastroms/westcoastroms-build@v0.0.0-20190928114312-2350e5a73030/build/kati/testcase/var_append.mk (about)

     1  S:=simple
     2  R=recursive
     3  SE:=
     4  RE=
     5  
     6  foo=FOO
     7  bar=
     8  
     9  S+=$(foo) $(bar)
    10  R+=$(foo) $(bar)
    11  SE+=$(foo) $(bar)
    12  RE+=$(foo) $(bar)
    13  U+=$(foo) $(bar)
    14  
    15  bar=BAR
    16  
    17  test:
    18  	echo "$(S)"
    19  	echo "$(R)"
    20  	echo "$(SE)"
    21  	echo "$(RE)"
    22  	echo "$(U)"
    23  	echo "$(flavor S)"
    24  	echo "$(flavor R)"
    25  	echo "$(flavor SE)"
    26  	echo "$(flavor RE)"
    27  	echo "$(flavor U)"