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# $Id: bsd.dep.mk,v 1.24 1998/05/15 09:34:48 bde Exp $
#
# The include file <bsd.dep.mk> handles Makefile dependencies.
#
#
# +++ variables +++
#
# DEPENDFILE dependencies file [.depend]
#
# MKDEP Options for ${MKDEPCMD} [not set]
#
# MKDEPCMD Makefile dependency list program [mkdep]
#
# SRCS List of source files (c, c++, assembler)
#
#
# +++ targets +++
#
# cleandepend:
# Remove depend and tags file
#
# depend:
# Make the dependencies for the source files, and store
# them in the file ${DEPENDFILE}.
#
# tags:
# Create a (GLOBAL) gtags file for the source files.
# If HTML is defined, htags is also run after gtags.
MKDEPCMD?= mkdep
DEPENDFILE?= .depend
.if defined(SRCS)
CLEANFILES?=
.for _LSRC in ${SRCS:M*.l:N*/*}
.for _LC in ${_LSRC:S/.l/.c/}
${_LC}: ${_LSRC}
${LEX} -t ${LFLAGS} ${.ALLSRC} > ${.TARGET}
SRCS:= ${SRCS:S/${_LSRC}/${_LC}/}
CLEANFILES:= ${CLEANFILES} ${_LC}
.endfor
.endfor
.for _YSRC in ${SRCS:M*.y:N*/*}
.for _YC in ${_YSRC:S/.y/.c/}
SRCS:= ${SRCS:S/${_YSRC}/${_YC}/}
CLEANFILES:= ${CLEANFILES} ${_YC}
.if ${YFLAGS:M-d} != "" && ${SRCS:My.tab.h}
.ORDER: ${_YC} y.tab.h
${_YC} y.tab.h: ${_YSRC}
${YACC} ${YFLAGS} ${.ALLSRC}
cp y.tab.c ${_YC}
SRCS:= ${SRCS} y.tab.h
CLEANFILES:= ${CLEANFILES} y.tab.c y.tab.h
.elif ${YFLAGS:M-d} != ""
.for _YH in ${_YC:S/.c/.h/}
.ORDER: ${_YC} ${_YH}
${_YC} ${_YH}: ${_YSRC}
${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
SRCS:= ${SRCS} ${_YH}
CLEANFILES:= ${CLEANFILES} ${_YH}
.endfor
.else
${_YC}: ${_YSRC}
${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
.endif
.endfor
.endfor
.endif
.if !target(depend)
.if defined(SRCS)
depend: beforedepend ${DEPENDFILE} afterdepend _SUBDIR
# Different types of sources are compiled with slightly different flags.
# Split up the sources, and filter out headers and non-applicable flags.
${DEPENDFILE}: ${SRCS}
rm -f ${DEPENDFILE}
.if ${SRCS:M*.[sS]} != ""
${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BID]*} \
${AINC} \
${.ALLSRC:M*.[sS]}
.endif
.if ${SRCS:M*.c} != ""
${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BID]*} \
${.ALLSRC:M*.c}
.endif
.if ${SRCS:M*.cc} != "" || ${SRCS:M*.C} != "" || ${SRCS:M*.cpp} != "" || \
${SRCS:M*.cxx} != ""
${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BID]*} \
${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx}
.endif
.if ${SRCS:M*.m} != ""
${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
${OBJCFLAGS:M-nostdinc*} ${OBJCFLAGS:M-[BID]*} \
${OBJCFLAGS:M-Wno-import*} \
${.ALLSRC:M*.m}
.endif
.if target(_EXTRADEPEND)
cd ${.CURDIR}; ${MAKE} _EXTRADEPEND
.endif
.ORDER: ${DEPENDFILE} afterdepend
.else
depend: beforedepend afterdepend _SUBDIR
.endif
.if !target(beforedepend)
beforedepend:
.else
.ORDER: beforedepend ${DEPENDFILE}
.ORDER: beforedepend afterdepend
.endif
.if !target(afterdepend)
afterdepend:
.endif
.endif
.if defined(NOTAGS)
tags:
.endif
.if !target(tags)
tags: ${SRCS} _SUBDIR
@cd ${.CURDIR} && gtags ${GTAGSFLAGS} ${.OBJDIR}
.if defined(HTML)
@cd ${.CURDIR} && htags ${HTAGSFLAGS} -d ${.OBJDIR} ${.OBJDIR}
.endif
.endif
.if !target(cleandepend)
cleandepend: _SUBDIR
.if defined(SRCS)
rm -f ${DEPENDFILE} ${.OBJDIR}/GRTAGS ${.OBJDIR}/GSYMS ${.OBJDIR}/GTAGS
.if defined(HTML)
rm -rf ${.OBJDIR}/HTML
.endif
.endif
.endif
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