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# libelf is currently needed for drti.o 125.if ${SRCS:M*.d} 126LDADD+= -lelf 127DPADD+= ${LIBELF} 128CFLAGS+= -I${.OBJDIR} 129.endif 130.for _DSRC in ${SRCS:M*.d:N*/*} 131.for _D in ${_DSRC:R} 132DHDRS+= ${_D}.h 133${_D}.h: ${_DSRC} 134 ${DTRACE} -xnolibs -h -s ${.ALLSRC} 135SRCS:= ${SRCS:S/^${_DSRC}$//} 136OBJS+= ${_D}.o 137CLEANFILES+= ${_D}.h ${_D}.o 138${_D}.o: ${_DSRC} ${OBJS:S/^${_D}.o$//} 139 ${DTRACE} -xnolibs -G -o ${.TARGET} -s ${.ALLSRC} 140.if defined(LIB) 141CLEANFILES+= ${_D}.So ${_D}.po 142${_D}.So: ${_DSRC} ${SOBJS:S/^${_D}.So$//} 143 ${DTRACE} -xnolibs -G -o ${.TARGET} -s ${.ALLSRC} 144${_D}.po: ${_DSRC} ${POBJS:S/^${_D}.po$//} 145 ${DTRACE} -xnolibs -G -o ${.TARGET} -s ${.ALLSRC} 146.endif 147.endfor 148.endfor 149beforedepend: ${DHDRS} 150beforebuild: ${DHDRS} 151.endif 152 153.if !target(depend) 154.if defined(SRCS) 155depend: beforedepend ${DEPENDFILE} afterdepend 156 157# Tell bmake not to look for generated files via .PATH 158.NOPATH: ${DEPENDFILE} 159 160# Different types of sources are compiled with slightly different flags. 161# Split up the sources, and filter out headers and non-applicable flags. 162MKDEP_CFLAGS= ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BIDU]*} ${CFLAGS:M-std=*} \ 163 ${CFLAGS:M-ansi} 164MKDEP_CXXFLAGS= ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BIDU]*} \ 165 ${CXXFLAGS:M-std=*} ${CXXFLAGS:M-ansi} ${CXXFLAGS:M-stdlib=*} 166 167DPSRCS+= ${SRCS} 168${DEPENDFILE}: ${DPSRCS} 169 rm -f ${DEPENDFILE} 170.if !empty(DPSRCS:M*.[cS]) 171 ${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \ 172 ${MKDEP_CFLAGS} ${.ALLSRC:M*.[cS]} 173.endif 174.if !empty(DPSRCS:M*.cc) || !empty(DPSRCS:M*.C) || !empty(DPSRCS:M*.cpp) || \ 175 !empty(DPSRCS:M*.cxx) 176 ${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \ 177 ${MKDEP_CXXFLAGS} \ 178 ${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx} 179.endif 180.if target(_EXTRADEPEND) 181_EXTRADEPEND: .USE 182${DEPENDFILE}: _EXTRADEPEND 183.endif 184 185.ORDER: ${DEPENDFILE} afterdepend 186.else 187depend: beforedepend afterdepend 188.endif 189.if !target(beforedepend) 190beforedepend: 191.else 192.ORDER: beforedepend ${DEPENDFILE} 193.ORDER: beforedepend afterdepend 194.endif 195.if !target(afterdepend) 196afterdepend: 197.endif 198.endif 199 200.if !target(cleandepend) 201cleandepend: 202.if defined(SRCS) 203.if ${CTAGS:T} == "gtags" 204 rm -f ${DEPENDFILE} GPATH GRTAGS GSYMS GTAGS 205.if defined(HTML) 206 rm -rf HTML 207.endif 208.else 209 rm -f ${DEPENDFILE} tags 210.endif 211.endif 212.endif 213 214.if !target(checkdpadd) && (defined(DPADD) || defined(LDADD)) 215_LDADD_FROM_DPADD= ${DPADD:R:T:C;^lib(.*)$;-l\1;g} 216# Ignore -Wl,--start-group/-Wl,--end-group as it might be required in the 217# LDADD list due to unresolved symbols 218_LDADD_CANONICALIZED= ${LDADD:N:R:T:C;^lib(.*)$;-l\1;g:N-Wl,--[es]*-group} 219checkdpadd: 220.if ${_LDADD_FROM_DPADD} != ${_LDADD_CANONICALIZED} 221 @echo ${.CURDIR} 222 @echo "DPADD -> ${_LDADD_FROM_DPADD}" 223 @echo "LDADD -> ${_LDADD_CANONICALIZED}" 224.endif 225.endif 226