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bsd.clean.mk revision 1.5 
      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)
     84