1 2X=a b c d e 3 4.for x in $X 5LIB${x:tu}=/tmp/lib$x.a 6.endfor 7 8X_LIBS= ${LIBA} ${LIBD} ${LIBE} 9 10LIB?=a 11 12var = head 13res = no 14.if !empty(var:M${:Uhead\:tail:C/:.*//}) 15res = OK 16.endif 17 18all: show-libs check-cclass 19 20show-libs: 21 @for x in $X; do ${.MAKE} -f ${MAKEFILE} show LIB=$$x; done 22 @echo "Mscanner=${res}" 23 24show: 25 @echo 'LIB=${LIB} X_LIBS:M$${LIB$${LIB:tu}} is "${X_LIBS:M${LIB${LIB:tu}}}"' 26 @echo 'LIB=${LIB} X_LIBS:M*/lib$${LIB}.a is "${X_LIBS:M*/lib${LIB}.a}"' 27 @echo 'LIB=${LIB} X_LIBS:M*/lib$${LIB}.a:tu is "${X_LIBS:M*/lib${LIB}.a:tu}"' 28 29LIST= One Two Three Four five six seven 30 31check-cclass: 32 @echo Upper=${LIST:M[A-Z]*} 33 @echo Lower=${LIST:M[^A-Z]*} 34 @echo nose=${LIST:M[^s]*[ex]} 35