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      1 # $NetBSD: meta-ignore.inc,v 1.2 2023/02/25 19:30:32 sjg Exp $
      2 
      3 # common logic for testing .MAKE.META.IGNORE_*
      4 
      5 # we want a directory outside of .OBJDIR to drop a file
      6 # that our meta file refers to.
      7 # Note: these tests will not work if TMPDIR is /tmp or /var/tmp
      8 # or a subdir thereof
      9 IGNORE:= ${TMPDIR}/ignore
     10 OBJ:=	${TMPDIR}/obj
     11 
     12 # this is always ignored so make sure it isn't used above
     13 TMPDIR= /tmp/nothanks
     14 
     15 all:	one two three
     16 
     17 setup:
     18 	@mkdir -p ${IGNORE} ${OBJ}
     19 	@echo > ${IGNORE}/check
     20 	@rm -f ${OBJ}/check-ignore
     21 
     22 makefile:= ${.INCLUDEDFROMDIR}/${.INCLUDEDFROMFILE}
     23 TEST:= ${.INCLUDEDFROMFILE:R:C,.*meta-,,:S,-,_,g:tu}
     24 
     25 DESC.one= Initialize check-ignore.meta
     26 DESC.two= Use .MAKE.META.${TEST} - check-ignore is up to date
     27 DESC.three= Skip .MAKE.META.${TEST} - check-ignore is out of date
     28 
     29 # just in case someone runs us with -jN
     30 .ORDER: one two three
     31 one two three: .MAKE setup
     32 	@echo "${DESC.${.TARGET}}"; \
     33 	${MAKE} -C ${.CURDIR} -f ${makefile} check-ignore parent=${.TARGET}
     34 
     35 .if make(check-ignore)
     36 .MAKEFLAGS: -dM
     37 .MAKE.MODE = meta verbose silent=yes
     38 .OBJDIR: ${OBJ}
     39 .if ${parent} == "two"
     40 .if ${TEST} == "IGNORE_PATHS"
     41 # this is a prefix list - any path that matches
     42 # one of these prefixes will be ignored
     43 .MAKE.META.IGNORE_PATHS = ${IGNORE}
     44 .elif ${TEST} == "IGNORE_PATTERNS"
     45 # more flexible but more expensive
     46 # this example is equivalent to M*/ignore/*
     47 # a match means ignore
     48 .MAKE.META.IGNORE_PATTERNS = */ignore/*
     49 .elif ${TEST} == "IGNORE_FILTER"
     50 # this is the most flexible, but also most expensive
     51 # if this expands to nothing - ignore the path
     52 .MAKE.META.IGNORE_FILTER = N${IGNORE}/*
     53 .endif
     54 .endif
     55 
     56 # : < just reads from ${IGNORE}/check
     57 # so that our filemon trace will have a reference to it
     58 # we ensure it is always newer than the target.
     59 check-ignore: .META .NOPATH
     60 	@: < ${IGNORE}/check > ${.TARGET}
     61 	@sleep 1; echo ${.TARGET} > ${IGNORE}/check
     62 
     63 .endif
     64