28849c57d6
Adding .META to targets-to-build will ensure that they will rebuild if there is no .meta file. Adding it to all SUFFIXES and objects ensures that at least objects will rebuild if there is no .meta file. This will be reverted if bmake's behavior changes to rebuild on missing .meta files. Sponsored by: EMC / Isilon Storage Division
304 lines
8.2 KiB
Makefile
304 lines
8.2 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}/;;" > ${.TARGET}
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.endif
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.endif
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# Skip reading .depend when not needed to speed up tree-walks
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# and simple lookups.
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.if !empty(.MAKEFLAGS:M-V${_V_READ_DEPEND}) || make(obj) || make(clean*) || \
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make(install*) || make(analyze)
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_SKIP_READ_DEPEND= 1
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.if ${MK_DIRDEPS_BUILD} == "no"
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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:R}.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} ${OP_META}
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${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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.ORDER: ${_YC} y.tab.h
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${_YC}: ${OP_META}
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${_YC} y.tab.h: ${_YSRC}
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${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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.ORDER: ${_YC} ${_YH}
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${_YC}: ${OP_META}
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${_YC} ${_YH}: ${_YSRC}
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${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} ${OP_META}
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${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} ${OP_META}
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${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$//} ${OP_META}
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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}.So ${_D}.po
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${_D}.So: ${_DSRC} ${SOBJS:S/^${_D}.So$//} ${OP_META}
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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$//} ${OP_META}
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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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.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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.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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DEPENDSRCS= ${SRCS:M*.[cSC]} ${SRCS:M*.cxx} ${SRCS:M*.cpp} ${SRCS:M*.cc}
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.if !empty(DEPENDSRCS)
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DEPENDOBJS+= ${DEPENDSRCS:R:S,$,.o,}
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.endif
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DEPENDFILES_OBJS= ${DEPENDOBJS:O:u:${DEPEND_FILTER}:C/^/${DEPENDFILE}./}
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DEPEND_CFLAGS+= -MD ${DEPEND_MP} -MF${DEPENDFILE}.${.TARGET:${DEPEND_FILTER}}
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DEPEND_CFLAGS+= -MT${.TARGET}
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# Skip generating or including .depend.* files if in meta+filemon mode since
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# it will track dependencies itself. OBJS_DEPEND_GUESS is still used though.
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.if !defined(_meta_filemon)
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.if defined(.PARSEDIR)
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# Only add in DEPEND_CFLAGS for CFLAGS on files we expect from DEPENDOBJS
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# as those are the only ones we will include.
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DEPEND_CFLAGS_CONDITION= "${DEPENDOBJS:M${.TARGET:${DEPEND_FILTER}}}" != ""
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CFLAGS+= ${${DEPEND_CFLAGS_CONDITION}:?${DEPEND_CFLAGS}:}
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.else
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CFLAGS+= ${DEPEND_CFLAGS}
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.endif
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.if !defined(_SKIP_READ_DEPEND)
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.for __depend_obj in ${DEPENDFILES_OBJS}
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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(_SKIP_READ_DEPEND)
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.endif # !defined(_meta_filemon)
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.endif # defined(SRCS)
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.if ${MK_DIRDEPS_BUILD} == "yes"
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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 empty(.MAKE.MODE:Mnofilemon)
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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 ${DEPENDOBJS:O:u}
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.if (defined(_meta_filemon) && !exists(${.OBJDIR}/${__obj}.meta)) || \
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(!defined(_meta_filemon) && !exists(${.OBJDIR}/${DEPENDFILE}.${__obj}))
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${__obj}: ${OBJS_DEPEND_GUESS}
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${__obj}: ${OBJS_DEPEND_GUESS.${__obj}}
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.elif defined(_meta_filemon)
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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. We really only need source files, not headers.
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${__obj}: ${OBJS_DEPEND_GUESS:N*.h}
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${__obj}: ${OBJS_DEPEND_GUESS.${__obj}:N*.h}
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.endif
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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_OBJS}
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DPSRCS+= ${SRCS}
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# A .depend file will only be generated if there are commands in
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# beforedepend/_EXTRADEPEND/afterdepend. The target is kept
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# to allow 'make depend' to generate files.
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${DEPENDFILE}: ${DPSRCS} ${OP_META}
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.if !empty(.MAKE.MODE:Mmeta) || exists(${.OBJDIR}/${DEPENDFILE})
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rm -f ${DEPENDFILE}
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.endif
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.if target(_EXTRADEPEND)
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_EXTRADEPEND: .USE
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${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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.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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