1# $FreeBSD$ 2# 3# The include file <bsd.dep.mk> handles Makefile dependencies. 4# 5# 6# +++ variables +++ 7# 8# CTAGS A tags file generation program [gtags] 9# 10# CTAGSFLAGS Options for ctags(1) [not set] 11# 12# DEPENDFILE dependencies file [.depend] 13# 14# GTAGSFLAGS Options for gtags(1) [-o] 15# 16# HTAGSFLAGS Options for htags(1) [not set] 17# 18# MKDEP Options for ${MKDEPCMD} [not set] 19# 20# MKDEPCMD Makefile dependency list program [mkdep] 21# 22# SRCS List of source files (c, c++, assembler) 23# 24# DPSRCS List of source files which are needed for generating 25# dependencies, ${SRCS} are always part of it. 26# 27# +++ targets +++ 28# 29# cleandepend: 30# Remove depend and tags file 31# 32# depend: 33# Make the dependencies for the source files, and store 34# them in the file ${DEPENDFILE}. 35# 36# tags: 37# In "ctags" mode, create a tags file for the source files. 38# In "gtags" mode, create a (GLOBAL) gtags file for the 39# source files. If HTML is defined, htags(1) is also run 40# after gtags(1). 41 42.if !target(__<bsd.init.mk>__) 43.error bsd.dep.mk cannot be included directly. 44.endif 45 46CTAGS?= gtags 47CTAGSFLAGS?= 48GTAGSFLAGS?= -o 49HTAGSFLAGS?= 50 51.if ${CC} != "cc" 52MKDEPCMD?= CC='${CC} ${DEPFLAGS}' mkdep 53.else 54MKDEPCMD?= mkdep 55.endif 56DEPENDFILE?= .depend 57 58# Keep `tags' here, before SRCS are mangled below for `depend'. 59.if !target(tags) && defined(SRCS) && !defined(NO_TAGS) 60tags: ${SRCS} 61.if ${CTAGS:T} == "gtags" 62 @cd ${.CURDIR} && ${CTAGS} ${GTAGSFLAGS} ${.OBJDIR} 63.if defined(HTML) 64 @cd ${.CURDIR} && htags ${HTAGSFLAGS} -d ${.OBJDIR} ${.OBJDIR} 65.endif 66.else 67 @${CTAGS} ${CTAGSFLAGS} -f /dev/stdout \ 68 ${.ALLSRC:N*.h} | sed "s;${.CURDIR}/;;" > ${.TARGET} 69.endif 70.endif 71 72.if defined(SRCS) 73CLEANFILES?= 74 75.if !exists(${.OBJDIR}/${DEPENDFILE}) 76.for _S in ${SRCS:N*.[dhly]} 77${_S:R}.o: ${_S} 78.endfor 79.endif 80 81# Lexical analyzers 82.for _LSRC in ${SRCS:M*.l:N*/*} 83.for _LC in ${_LSRC:R}.c 84${_LC}: ${_LSRC} 85 ${LEX} ${LFLAGS} -o${.TARGET} ${.ALLSRC} 86.if !exists(${.OBJDIR}/${DEPENDFILE}) 87${_LC:R}.o: ${_LC} 88.endif 89SRCS:= ${SRCS:S/${_LSRC}/${_LC}/} 90CLEANFILES+= ${_LC} 91.endfor 92.endfor 93 94# Yacc grammars 95.for _YSRC in ${SRCS:M*.y:N*/*} 96.for _YC in ${_YSRC:R}.c 97SRCS:= ${SRCS:S/${_YSRC}/${_YC}/} 98CLEANFILES+= ${_YC} 99.if !empty(YFLAGS:M-d) && !empty(SRCS:My.tab.h) 100.ORDER: ${_YC} y.tab.h 101${_YC} y.tab.h: ${_YSRC} 102 ${YACC} ${YFLAGS} ${.ALLSRC} 103 cp y.tab.c ${_YC} 104CLEANFILES+= y.tab.c y.tab.h 105.elif !empty(YFLAGS:M-d) 106.for _YH in ${_YC:R}.h 107${_YH}: ${_YC} 108${_YC}: ${_YSRC} 109 ${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC} 110SRCS+= ${_YH} 111CLEANFILES+= ${_YH} 112.endfor 113.else 114${_YC}: ${_YSRC} 115 ${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC} 116.endif 117.if !exists(${.OBJDIR}/${DEPENDFILE}) 118${_YC:R}.o: ${_YC} 119.endif 120.endfor 121.endfor 122 123# DTrace probe definitions 124.if ${SRCS:M*.d} 125CFLAGS+= -I${.OBJDIR} 126.endif 127.for _DSRC in ${SRCS:M*.d:N*/*} 128.for _D in ${_DSRC:R} 129DHDRS+= ${_D}.h 130${_D}.h: ${_DSRC} 131 ${DTRACE} ${DTRACEFLAGS} -h -s ${.ALLSRC} 132SRCS:= ${SRCS:S/^${_DSRC}$//} 133OBJS+= ${_D}.o 134CLEANFILES+= ${_D}.h ${_D}.o 135${_D}.o: ${_DSRC} ${OBJS:S/^${_D}.o$//} 136 ${DTRACE} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC} 137.if defined(LIB) 138CLEANFILES+= ${_D}.So ${_D}.po 139${_D}.So: ${_DSRC} ${SOBJS:S/^${_D}.So$//} 140 ${DTRACE} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC} 141${_D}.po: ${_DSRC} ${POBJS:S/^${_D}.po$//} 142 ${DTRACE} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC} 143.endif 144.endfor 145.endfor 146beforedepend: ${DHDRS} 147beforebuild: ${DHDRS} 148.endif 149 150.if defined(.PARSEDIR) 151.if ${MK_META_MODE} == "yes" 152.include <meta.autodep.mk> 153# this depend: bypasses that below 154# the dependency helps when bootstrapping 155depend: beforedepend ${DPSRCS} ${SRCS} afterdepend 156beforedepend: 157afterdepend: beforedepend 158.endif 159.endif 160 161.if !target(depend) 162.if defined(SRCS) 163depend: beforedepend ${DEPENDFILE} afterdepend 164 165# Tell bmake not to look for generated files via .PATH 166.NOPATH: ${DEPENDFILE} 167 168# Different types of sources are compiled with slightly different flags. 169# Split up the sources, and filter out headers and non-applicable flags. 170MKDEP_CFLAGS= ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BIDU]*} ${CFLAGS:M-std=*} \ 171 ${CFLAGS:M-ansi} 172MKDEP_CXXFLAGS= ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BIDU]*} \ 173 ${CXXFLAGS:M-std=*} ${CXXFLAGS:M-ansi} ${CXXFLAGS:M-stdlib=*} 174 175DPSRCS+= ${SRCS} 176${DEPENDFILE}: ${DPSRCS} 177 rm -f ${DEPENDFILE} 178.if !empty(DPSRCS:M*.[cS]) 179 ${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \ 180 ${MKDEP_CFLAGS} ${.ALLSRC:M*.[cS]} 181.endif 182.if !empty(DPSRCS:M*.cc) || !empty(DPSRCS:M*.C) || !empty(DPSRCS:M*.cpp) || \ 183 !empty(DPSRCS:M*.cxx) 184 ${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \ 185 ${MKDEP_CXXFLAGS} \ 186 ${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx} 187.endif 188.if target(_EXTRADEPEND) 189_EXTRADEPEND: .USE 190${DEPENDFILE}: _EXTRADEPEND 191.endif 192 193.ORDER: ${DEPENDFILE} afterdepend 194.else 195depend: beforedepend afterdepend 196.endif 197.if !target(beforedepend) 198beforedepend: 199.else 200.ORDER: beforedepend ${DEPENDFILE} 201.ORDER: beforedepend afterdepend 202.endif 203.if !target(afterdepend) 204afterdepend: 205.endif 206.endif 207 208.if !target(cleandepend) 209cleandepend: 210.if defined(SRCS) 211.if ${CTAGS:T} == "gtags" 212 rm -f ${DEPENDFILE} GPATH GRTAGS GSYMS GTAGS 213.if defined(HTML) 214 rm -rf HTML 215.endif 216.else 217 rm -f ${DEPENDFILE} tags 218.endif 219.endif 220.endif 221 222.if !target(checkdpadd) && (defined(DPADD) || defined(LDADD)) 223_LDADD_FROM_DPADD= ${DPADD:R:T:C;^lib(.*)$;-l\1;g} 224# Ignore -Wl,--start-group/-Wl,--end-group as it might be required in the 225# LDADD list due to unresolved symbols 226_LDADD_CANONICALIZED= ${LDADD:N:R:T:C;^lib(.*)$;-l\1;g:N-Wl,--[es]*-group} 227checkdpadd: 228.if ${_LDADD_FROM_DPADD} != ${_LDADD_CANONICALIZED} 229 @echo ${.CURDIR} 230 @echo "DPADD -> ${_LDADD_FROM_DPADD}" 231 @echo "LDADD -> ${_LDADD_CANONICALIZED}" 232.endif 233.endif 234