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|
# $FreeBSD$
#
# The include file <bsd.dep.mk> handles Makefile dependencies.
#
#
# +++ variables +++
#
# 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]
#
# MKDEP Options for ${MKDEPCMD} [not set]
#
# MKDEPCMD Makefile dependency list program [mkdep]
#
# 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 depend and tags file
#
# 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 ${CC} != "cc"
MKDEPCMD?= CC='${CC}' mkdep
.else
MKDEPCMD?= mkdep
.endif
DEPENDFILE?= .depend
# 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}/;;" > ${.TARGET}
.endif
.endif
.if defined(SRCS)
CLEANFILES?=
.if !exists(${.OBJDIR}/${DEPENDFILE})
.for _S in ${SRCS:N*.[dhly]}
${_S:R}.o: ${_S}
.endfor
.endif
# Lexical analyzers
.for _LSRC in ${SRCS:M*.l:N*/*}
.for _LC in ${_LSRC:R}.c
${_LC}: ${_LSRC}
${LEX} ${LFLAGS} -o${.TARGET} ${.ALLSRC}
.if !exists(${.OBJDIR}/${DEPENDFILE})
${_LC:R}.o: ${_LC}
.endif
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
${_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
${_YH}: ${_YC}
${_YC}: ${_YSRC}
${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
SRCS+= ${_YH}
CLEANFILES+= ${_YH}
.endfor
.else
${_YC}: ${_YSRC}
${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
.endif
.if !exists(${.OBJDIR}/${DEPENDFILE})
${_YC:R}.o: ${_YC}
.endif
.endfor
.endfor
# DTrace probe definitions
# libelf is currently needed for drti.o
.if ${SRCS:M*.d}
LDFLAGS+= -lelf
LDADD+= ${LIBELF}
CFLAGS+= -D_DTRACE_VERSION=1 -I${.OBJDIR}
.endif
.for _DSRC in ${SRCS:M*.d:N*/*}
.for _D in ${_DSRC:R}
DHDRS+= ${_D}.h
${_D}.h: ${_DSRC}
${DTRACE} -xnolibs -h -s ${.ALLSRC}
SRCS:= ${SRCS:S/${_DSRC}/${_D}.h/}
OBJS+= ${_D}.o
CLEANFILES+= ${_D}.h ${_D}.o
${_D}.o: ${_D}.h ${OBJS:S/${_D}.o//}
${DTRACE} -xnolibs -G -o ${.TARGET} -s ${.CURDIR}/${_DSRC} \
${OBJS:S/${_D}.o//}
.if defined(LIB)
CLEANFILES+= ${_D}.So ${_D}.po
${_D}.So: ${_D}.h ${SOBJS:S/${_D}.So//}
${DTRACE} -xnolibs -G -o ${.TARGET} -s ${.CURDIR}/${_DSRC} \
${SOBJS:S/${_D}.So//}
${_D}.po: ${_D}.h ${POBJS:S/${_D}.po//}
${DTRACE} -xnolibs -G -o ${.TARGET} -s ${.CURDIR}/${_DSRC} \
${POBJS:S/${_D}.po//}
.endif
.endfor
.endfor
beforedepend: ${DHDRS}
beforebuild: ${DHDRS}
.endif
.if !target(depend)
.if defined(SRCS)
depend: beforedepend ${DEPENDFILE} afterdepend
# Tell bmake not to look for generated files via .PATH
.NOPATH: ${DEPENDFILE}
# Different types of sources are compiled with slightly different flags.
# Split up the sources, and filter out headers and non-applicable flags.
MKDEP_CFLAGS= ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BIDU]*} ${CFLAGS:M-std=*} \
${CFLAGS:M-ansi}
MKDEP_CXXFLAGS= ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BIDU]*} \
${CXXFLAGS:M-std=*} ${CXXFLAGS:M-ansi} ${CXXFLAGS:M-stdlib=*}
DPSRCS+= ${SRCS}
${DEPENDFILE}: ${DPSRCS}
rm -f ${DEPENDFILE}
.if !empty(DPSRCS:M*.[cS])
${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
${MKDEP_CFLAGS} ${.ALLSRC:M*.[cS]}
.endif
.if !empty(DPSRCS:M*.cc) || !empty(DPSRCS:M*.C) || !empty(DPSRCS:M*.cpp) || \
!empty(DPSRCS:M*.cxx)
${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
${MKDEP_CXXFLAGS} \
${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx}
.endif
.if 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 !target(cleandepend)
cleandepend:
.if defined(SRCS)
.if ${CTAGS:T} == "gtags"
rm -f ${DEPENDFILE} GPATH GRTAGS GSYMS GTAGS
.if defined(HTML)
rm -rf HTML
.endif
.else
rm -f ${DEPENDFILE} tags
.endif
.endif
.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
|
