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