share/mk/bsd.clean.mk

   1 # $NetBSD: bsd.clean.mk,v 1.5 2011/11/22 18:25:48 apb Exp $
   2
   3 # <bsd.clean.mk>
   4 #
   5 # Public targets:
   6 #
   7 # clean:        Delete files listed in ${CLEANFILES}.
   8 # cleandir:     Delete files listed in ${CLEANFILES} and ${CLEANDIRFILES}.
   9 #
  10 # Public variables:
  11 #
  12 # CLEANFILES    Files to remove for both the clean and cleandir targets.
  13 #
  14 # CLEANDIRFILES Files to remove for the cleandir target, but not for
  15 #               the clean target.
  16 #
  17 # MKCLEANSRC    Whether or not to clean the source directory
  18 #               in addition to the object directory.
  19 #
  20 # MKCLEANVERIFY Whether or not to verify that the file deletion worked.
  21 #
  22
  23 .if !defined(_BSD_CLEAN_MK_)
  24 _BSD_CLEAN_MK_=1
  25
  26 .include <bsd.init.mk>
  27
  28 MKCLEANSRC?=    yes
  29 MKCLEANVERIFY?= yes
  30
  31 clean:          .PHONY __doclean
  32 __doclean:      .PHONY .MADE __cleanuse CLEANFILES
  33 cleandir:       .PHONY clean __docleandir
  34 __docleandir:   .PHONY .MADE __cleanuse CLEANDIRFILES
  35
  36 # __cleanuse is invoked with ${.ALLSRC} as the name of a variable
  37 # (such as CLEANFILES or CLEANDIRFILES), or possibly a list of
  38 # variable names.  ${.ALLSRC:@v@${${v}}@} will be the list of
  39 # files to delete.  (We pass the variable name, e.g. CLEANFILES,
  40 # instead of the file names, e.g. ${CLEANFILES}, because we don't
  41 # want make to replace any of the file names with the result of
  42 # searching .PATH.)
  43 #
  44 # If the list of files is empty, then the commands
  45 # reduce to "true", with an "@" prefix to prevent echoing.
  46 #
  47 # The use of :M* is needed to handle the case that CLEANFILES
  48 # or CLEANDIRFILES is not completely empty but contains spaces.
  49 # This can easily happen when CLEANFILES or CLEANDIRFILES is set
  50 # from other variables that happen to be empty.)
  51 #
  52 # The use of :Q is needed to handle the case that CLEANFILES
  53 # or CLEANDIRFILES contains quoted strings, such as
  54 # CLEANFILES = "filename with spaces".
  55 #
  56 __cleanuse: .USE
  57 .if 0   # print "# clean CLEANFILES" for debugging
  58         ${"${.ALLSRC:@v@${${v}:M*}@:Q}" == "":?@true:${_MKMSG} \
  59                 "clean" ${.ALLSRC} }
  60 .endif
  61 .for _d in ${"${.OBJDIR}" == "${.CURDIR}" || "${MKCLEANSRC}" == "no" \
  62                 :? ${.OBJDIR} \
  63                 :  ${.OBJDIR} ${.CURDIR} }
  64         ${"${.ALLSRC:@v@${${v}:M*}@:Q}" == "":?@true: \
  65             (cd ${_d} && rm -f ${.ALLSRC:@v@${${v}}@} || true) }
  66 .if "${MKCLEANVERIFY}" == "yes"
  67         @${"${.ALLSRC:@v@${${v}:M*}@:Q}" == "":?true: \
  68             bad="\$(cd ${_d} && ls -d ${.ALLSRC:@v@${${v}}@} 2>/dev/null)"; \
  69             if test -n "\$bad"; then \
  70                 echo "Failed to remove files from ${_d}:" ; \
  71                 echo "\$bad" ; \
  72                 false ; \
  73             fi }
  74 .endif
  75 .endfor
  76
  77 # Don't automatically load ".depend" files during "make clean"
  78 # or "make cleandir".
  79 .if make(clean) || make(cleandir)
  80 .MAKE.DEPENDFILE := .depend.no-such-file
  81 .endif
  82
  83 .endif  # !defined(_BSD_CLEAN_MK)