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3841c28717
Key changes include reduced noise at end of failed build log and avoid evaluation of unnecessary terms in conditionals. In META MODE; a target flagged .META is out-of-date if meta file is missing MFC after: 1 week
39 lines
881 B
Makefile
39 lines
881 B
Makefile
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X=a b c d e
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.for x in $X
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LIB${x:tu}=/tmp/lib$x.a
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.endfor
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X_LIBS= ${LIBA} ${LIBD} ${LIBE}
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LIB?=a
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var = head
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res = no
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.if !empty(var:M${:Uhead\:tail:C/:.*//})
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res = OK
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.endif
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all: show-libs check-cclass slow
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show-libs:
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@for x in $X; do ${.MAKE} -f ${MAKEFILE} show LIB=$$x; done
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@echo "Mscanner=${res}"
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show:
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@echo 'LIB=${LIB} X_LIBS:M$${LIB$${LIB:tu}} is "${X_LIBS:M${LIB${LIB:tu}}}"'
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@echo 'LIB=${LIB} X_LIBS:M*/lib$${LIB}.a is "${X_LIBS:M*/lib${LIB}.a}"'
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@echo 'LIB=${LIB} X_LIBS:M*/lib$${LIB}.a:tu is "${X_LIBS:M*/lib${LIB}.a:tu}"'
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LIST= One Two Three Four five six seven
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check-cclass:
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@echo Upper=${LIST:M[A-Z]*}
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@echo Lower=${LIST:M[^A-Z]*}
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@echo nose=${LIST:M[^s]*[ex]}
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# Before 2020-06-13, this expression took quite a long time in Str_Match,
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# calling itself 601080390 times for 16 asterisks.
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slow: .PHONY
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@:;: ${:U****************:M****************b:Q}
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