370 lines
11 KiB
Makefile
370 lines
11 KiB
Makefile
# $FreeBSD$
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#
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# The include file <bsd.dep.mk> handles Makefile dependencies.
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#
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#
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# +++ variables +++
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#
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# CLEANDEPENDDIRS Additional directories to remove for the cleandepend
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# target.
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#
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# CLEANDEPENDFILES Additional files to remove for the cleandepend target.
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#
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# CTAGS A tags file generation program [gtags]
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#
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# CTAGSFLAGS Options for ctags(1) [not set]
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#
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# DEPENDFILE dependencies file [.depend]
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#
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# GTAGSFLAGS Options for gtags(1) [-o]
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#
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# HTAGSFLAGS Options for htags(1) [not set]
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#
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# SRCS List of source files (c, c++, assembler)
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#
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# DPSRCS List of source files which are needed for generating
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# dependencies, ${SRCS} are always part of it.
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#
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# +++ targets +++
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#
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# cleandepend:
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# remove ${CLEANDEPENDFILES}; remove ${CLEANDEPENDDIRS} and all
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# contents.
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#
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# depend:
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# Make the dependencies for the source files, and store
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# them in the file ${DEPENDFILE}.
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#
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# tags:
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# In "ctags" mode, create a tags file for the source files.
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# In "gtags" mode, create a (GLOBAL) gtags file for the
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# source files. If HTML is defined, htags(1) is also run
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# after gtags(1).
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.if !target(__<bsd.init.mk>__)
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.error bsd.dep.mk cannot be included directly.
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.endif
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CTAGS?= gtags
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CTAGSFLAGS?=
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GTAGSFLAGS?= -o
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HTAGSFLAGS?=
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.if ${MK_DIRDEPS_BUILD} == "no"
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.MAKE.DEPENDFILE= ${DEPENDFILE}
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.endif
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CLEANDEPENDFILES+= ${DEPENDFILE} ${DEPENDFILE}.*
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.if ${MK_META_MODE} == "yes"
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CLEANDEPENDFILES+= *.meta
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.endif
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# Keep `tags' here, before SRCS are mangled below for `depend'.
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.if !target(tags) && defined(SRCS) && !defined(NO_TAGS)
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tags: ${SRCS}
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.if ${CTAGS:T} == "gtags"
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@cd ${.CURDIR} && ${CTAGS} ${GTAGSFLAGS} ${.OBJDIR}
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.if defined(HTML)
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@cd ${.CURDIR} && htags ${HTAGSFLAGS} -d ${.OBJDIR} ${.OBJDIR}
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.endif
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.else
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@${CTAGS} ${CTAGSFLAGS} -f /dev/stdout \
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${.ALLSRC:N*.h} | sed "s;${.CURDIR}/;;" > ${.TARGET}
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.endif
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.endif
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.if !empty(.MAKE.MODE:Mmeta) && empty(.MAKE.MODE:Mnofilemon)
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_meta_filemon= 1
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.endif
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# By default META_MODE is disabled in bmake if there is no OBJDIR
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# unless .MAKE.MODE contains "curdirOk=[^0nNfF]"
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.if defined(_meta_filemon) && ${.OBJDIR} == ${.CURDIR} && \
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(empty(.MAKE.MODE:tl:Mcurdirok=*) || \
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!empty(.MAKE.MODE:tl:Mcurdirok=[0NnFf]*))
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.undef _meta_filemon
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.endif
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# Skip reading .depend when not needed to speed up tree-walks and simple
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# lookups. See _SKIP_BUILD logic in bsd.init.mk for more details.
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# Also skip generating or including .depend.* files if in meta+filemon mode
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# since it will track dependencies itself. OBJS_DEPEND_GUESS is still used
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# for _meta_filemon but not for _SKIP_DEPEND.
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.if !defined(NO_SKIP_DEPEND) && defined(_SKIP_BUILD)
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_SKIP_DEPEND= 1
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.endif
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.if ${MK_DIRDEPS_BUILD} == "no"
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.if defined(_SKIP_DEPEND) || defined(_meta_filemon)
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.MAKE.DEPENDFILE= /dev/null
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.endif
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.endif
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.if defined(SRCS)
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CLEANFILES?=
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.for _S in ${SRCS:N*.[dhly]}
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OBJS_DEPEND_GUESS.${_S:${OBJS_SRCS_FILTER:ts:}}.o+= ${_S}
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.endfor
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# Lexical analyzers
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.for _LSRC in ${SRCS:M*.l:N*/*}
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.for _LC in ${_LSRC:R}.c
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${_LC}: ${_LSRC}
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${LEX} ${LFLAGS} -o${.TARGET} ${.ALLSRC}
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OBJS_DEPEND_GUESS.${_LC:R}.o+= ${_LC}
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SRCS:= ${SRCS:S/${_LSRC}/${_LC}/}
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CLEANFILES+= ${_LC}
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.endfor
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.endfor
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# Yacc grammars
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.for _YSRC in ${SRCS:M*.y:N*/*}
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.for _YC in ${_YSRC:R}.c
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SRCS:= ${SRCS:S/${_YSRC}/${_YC}/}
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CLEANFILES+= ${_YC}
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.if !empty(YFLAGS:M-d) && !empty(SRCS:My.tab.h)
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# Multi-output targets both expect a .meta file and will fight over it. Only
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# allow it on the .c file instead.
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y.tab.h: ${_YC} .NOMETA
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# Force rebuild the .c file if any of its other outputs are missing.
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.if !exists(y.tab.h)
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${_YC}: .PHONY .META
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.endif
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${_YC}: ${_YSRC}
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${YACC} ${YFLAGS} ${.ALLSRC}
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cp y.tab.c ${_YC}
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CLEANFILES+= y.tab.c y.tab.h
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.elif !empty(YFLAGS:M-d)
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.for _YH in ${_YC:R}.h
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# Multi-output targets both expect a .meta file and will fight over it. Only
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# allow it on the .c file instead.
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${_YH}: ${_YC} .NOMETA
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# Force rebuild the .c file if any of its other outputs are missing.
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.if !exists(${_YH})
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${_YC}: .PHONY .META
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.endif
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${_YC}: ${_YSRC}
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${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
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SRCS+= ${_YH}
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CLEANFILES+= ${_YH}
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.endfor
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.else
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${_YC}: ${_YSRC}
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${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
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.endif
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OBJS_DEPEND_GUESS.${_YC:R}.o+= ${_YC}
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.endfor
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.endfor
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# DTrace probe definitions
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.if ${SRCS:M*.d}
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CFLAGS+= -I${.OBJDIR}
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.endif
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.for _DSRC in ${SRCS:M*.d:N*/*}
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.for _D in ${_DSRC:R}
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SRCS+= ${_D}.h
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${_D}.h: ${_DSRC}
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${DTRACE} ${DTRACEFLAGS} -h -s ${.ALLSRC}
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SRCS:= ${SRCS:S/^${_DSRC}$//}
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OBJS+= ${_D}.o
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CLEANFILES+= ${_D}.h ${_D}.o
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${_D}.o: ${_DSRC} ${OBJS:S/^${_D}.o$//}
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@rm -f ${.TARGET}
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${DTRACE} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC:N*.h}
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.if defined(LIB)
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CLEANFILES+= ${_D}.pico ${_D}.po ${_D}.nossppico
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${_D}.pico: ${_DSRC} ${SOBJS:S/^${_D}.pico$//}
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@rm -f ${.TARGET}
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${DTRACE} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC:N*.h}
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${_D}.po: ${_DSRC} ${POBJS:S/^${_D}.po$//}
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@rm -f ${.TARGET}
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${DTRACE} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC:N*.h}
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${_D}.nossppico: ${_DSRC} ${SOBJS:S/^${_D}.nossppico$//}
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@rm -f ${.TARGET}
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${DTRACE} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC:N*.h}
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.endif
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.endfor
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.endfor
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.endif # defined(SRCS)
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.if ${MAKE_VERSION} < 20160220
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DEPEND_MP?= -MP
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.endif
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# Handle OBJS=../somefile.o hacks. Just replace '/' rather than use :T to
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# avoid collisions.
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DEPEND_FILTER= C,/,_,g
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.if !empty(OBJS)
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DEPENDOBJS+= ${OBJS}
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.else
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DEPENDSRCS+= ${SRCS:M*.[cSC]} ${SRCS:M*.cxx} ${SRCS:M*.cpp} ${SRCS:M*.cc}
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DEPENDSRCS+= ${DPSRCS:M*.[cSC]} ${DPSRCS:M*.cxx} ${DPSRCS:M*.cpp} ${DPSRCS:M*.cc}
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.if !empty(DEPENDSRCS)
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DEPENDOBJS+= ${DEPENDSRCS:${OBJS_SRCS_FILTER:ts:}:S,$,.o,}
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.endif
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.endif # !empty(OBJS)
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.if !empty(DEPENDOBJS)
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DEPENDFILES+= ${DEPENDOBJS:O:u:${DEPEND_FILTER}:C/^/${DEPENDFILE}./}
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.endif
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.if defined(_SKIP_DEPEND)
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# Don't bother statting any .meta files for .depend*
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${DEPENDOBJS}: .NOMETA
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${DEPENDFILE}: .NOMETA
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# Unset these to avoid looping/statting on them later.
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.undef DEPENDSRCS
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.undef DEPENDOBJS
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.undef DEPENDFILES
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.endif # defined(_SKIP_DEPEND)
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DEPEND_CFLAGS+= -MD ${DEPEND_MP} -MF${DEPENDFILE}.${.TARGET:${DEPEND_FILTER}}
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DEPEND_CFLAGS+= -MT${.TARGET}
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.if !defined(_meta_filemon)
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.if !empty(DEPEND_CFLAGS)
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# Only add in DEPEND_CFLAGS for CFLAGS on files we expect from DEPENDOBJS
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# as those are the only ones we will include.
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DEPEND_CFLAGS_CONDITION= "${DEPENDOBJS:${DEPEND_FILTER}:M${.TARGET:${DEPEND_FILTER}}}" != ""
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CFLAGS+= ${${DEPEND_CFLAGS_CONDITION}:?${DEPEND_CFLAGS}:}
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.endif
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.for __depend_obj in ${DEPENDFILES}
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.if ${MAKE_VERSION} < 20160220
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.sinclude "${.OBJDIR}/${__depend_obj}"
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.else
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.dinclude "${.OBJDIR}/${__depend_obj}"
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.endif
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.endfor
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.endif # !defined(_meta_filemon)
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.if ${MK_DIRDEPS_BUILD} == "yes" && ${.MAKE.DEPENDFILE} != "/dev/null"
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# Prevent meta.autodep.mk from tracking "local dependencies".
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.depend:
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.include <meta.autodep.mk>
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# If using filemon then _EXTRADEPEND is skipped since it is not needed.
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.if defined(_meta_filemon)
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# this depend: bypasses that below
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# the dependency helps when bootstrapping
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depend: beforedepend ${DPSRCS} ${SRCS} afterdepend
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beforedepend:
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afterdepend: beforedepend
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.endif
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.endif
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# Guess some dependencies for when no ${DEPENDFILE}.OBJ is generated yet.
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# For meta+filemon the .meta file is checked for since it is the dependency
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# file used.
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.for __obj in ${DEPENDOBJS:O:u}
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# If the obj has any '/', then replace with '_'. For meta files, this is
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# mimicing what bmake's meta_name() does and adding in the full path
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# as well to ensure that the expected meta file is read.
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.if ${__obj:M*/*}
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.if ${MAKE_VERSION} < 20171028
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_meta_obj= ${.OBJDIR:C,/,_,g}_${__obj:C,/,_,g}.meta
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.else
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_meta_obj= ${__obj:C,/,_,g}.meta
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.endif # ${MAKE_VERSION} < 20171028
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.else
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_meta_obj= ${__obj}.meta
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.endif # ${__obj:M*/*}
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_dep_obj= ${DEPENDFILE}.${__obj:${DEPEND_FILTER}}
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.if defined(_meta_filemon)
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_depfile= ${.OBJDIR}/${_meta_obj}
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.else
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_depfile= ${.OBJDIR}/${_dep_obj}
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.endif
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.if !exists(${_depfile}) || defined(_meta_filemon)
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# - Headers are normally built in beforebuild when included in DPSRCS or SRCS.
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# So we don't need it as a guessed dependency (it may lead to cyclic problems
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# if custom rules are defined). The only time this causes a problem is when
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# 'make foo.o' is ran.
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# - For meta mode we still need to know which file to depend on to avoid
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# ambiguous suffix transformation rules from .PATH. Meta mode does not
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# use .depend files when filemon is in use.
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.if !target(${__obj})
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${__obj}: ${OBJS_DEPEND_GUESS}
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.endif
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${__obj}: ${OBJS_DEPEND_GUESS.${__obj}}
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.endif # !exists(${_depfile}) || defined(_meta_filemon)
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.endfor
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# Always run 'make depend' to generate dependencies early and to avoid the
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# need for manually running it. The dirdeps build should only do this in
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# sub-makes though since MAKELEVEL0 is for dirdeps calculations.
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.if ${MK_DIRDEPS_BUILD} == "no" || ${.MAKE.LEVEL} > 0
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beforebuild: depend
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.endif
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.if !target(depend)
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.if defined(SRCS)
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depend: beforedepend ${DEPENDFILE} afterdepend
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# Tell bmake not to look for generated files via .PATH
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.NOPATH: ${DEPENDFILE} ${DEPENDFILES}
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# A .depend file will only be generated if there are commands in
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# beforedepend/_EXTRADEPEND/afterdepend The _EXTRADEPEND target is
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# ignored if using meta+filemon since it handles all dependencies. The other
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# targets are kept as they be used for generating something. The target is
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# kept to allow 'make depend' to generate files.
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${DEPENDFILE}: ${SRCS} ${DPSRCS}
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.if !defined(_SKIP_DEPEND)
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.if exists(${.OBJDIR}/${DEPENDFILE}) || \
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((commands(beforedepend) || \
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(!defined(_meta_filemon) && commands(_EXTRADEPEND)) || \
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commands(afterdepend)) && !empty(.MAKE.MODE:Mmeta))
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rm -f ${DEPENDFILE}
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.endif
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.endif
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.if !defined(_meta_filemon) && target(_EXTRADEPEND)
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_EXTRADEPEND: .USE
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${DEPENDFILE}: _EXTRADEPEND
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.endif
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.ORDER: ${DEPENDFILE} afterdepend
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.else
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depend: beforedepend afterdepend
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.endif
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.if !target(beforedepend)
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beforedepend:
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.else
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.ORDER: beforedepend ${DEPENDFILE}
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.ORDER: beforedepend afterdepend
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.endif
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.if !target(afterdepend)
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afterdepend:
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.endif
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.endif
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.if defined(SRCS)
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.if ${CTAGS:T} == "gtags"
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CLEANDEPENDFILES+= GPATH GRTAGS GSYMS GTAGS
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.if defined(HTML)
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CLEANDEPENDDIRS+= HTML
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.endif
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.else
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CLEANDEPENDFILES+= tags
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.endif
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.endif
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.if !target(cleandepend)
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cleandepend:
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.if !empty(CLEANDEPENDFILES)
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rm -f ${CLEANDEPENDFILES}
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.endif
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.if !empty(CLEANDEPENDDIRS)
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rm -rf ${CLEANDEPENDDIRS}
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.endif
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.endif
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.ORDER: cleandepend all
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.ORDER: cleandepend depend
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.if ${MK_AUTO_OBJ} == "yes"
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.ORDER: cleanobj depend
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.ORDER: cleandir depend
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.endif
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.if !target(checkdpadd) && (defined(DPADD) || defined(LDADD))
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_LDADD_FROM_DPADD= ${DPADD:R:T:C;^lib(.*)$;-l\1;g}
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# Ignore -Wl,--start-group/-Wl,--end-group as it might be required in the
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# LDADD list due to unresolved symbols
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_LDADD_CANONICALIZED= ${LDADD:N:R:T:C;^lib(.*)$;-l\1;g:N-Wl,--[es]*-group}
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checkdpadd:
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.if ${_LDADD_FROM_DPADD} != ${_LDADD_CANONICALIZED}
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@echo ${.CURDIR}
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@echo "DPADD -> ${_LDADD_FROM_DPADD}"
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@echo "LDADD -> ${_LDADD_CANONICALIZED}"
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.endif
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.endif
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