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_MKDEPCC:= ${CC:N${CCACHE_BIN}} 52# XXX: DEPFLAGS can come out once Makefile.inc1 properly passes down 53# CXXFLAGS. 54.if !empty(DEPFLAGS) 55_MKDEPCC+= ${DEPFLAGS} 56.endif 57MKDEPCMD?= CC='${_MKDEPCC}' mkdep 58DEPENDFILE?= .depend 59DEPENDFILES= ${DEPENDFILE} 60 61# Keep `tags' here, before SRCS are mangled below for `depend'. 62.if !target(tags) && defined(SRCS) && !defined(NO_TAGS) 63tags: ${SRCS} 64.if ${CTAGS:T} == "gtags" 65 @cd ${.CURDIR} && ${CTAGS} ${GTAGSFLAGS} ${.OBJDIR} 66.if defined(HTML) 67 @cd ${.CURDIR} && htags ${HTAGSFLAGS} -d ${.OBJDIR} ${.OBJDIR} 68.endif 69.else 70 @${CTAGS} ${CTAGSFLAGS} -f /dev/stdout \ 71 ${.ALLSRC:N*.h} | sed "s;${.CURDIR}/;;" > ${.TARGET} 72.endif 73.endif 74 75.if defined(SRCS) 76CLEANFILES?= 77 78.if ${MK_FAST_DEPEND} == "yes" || !exists(${.OBJDIR}/${DEPENDFILE}) 79.for _S in ${SRCS:N*.[dhly]} 80${_S:R}.o: ${_S} 81.endfor 82.endif 83 84# Lexical analyzers 85.for _LSRC in ${SRCS:M*.l:N*/*} 86.for _LC in ${_LSRC:R}.c 87${_LC}: ${_LSRC} 88 ${LEX} ${LFLAGS} -o${.TARGET} ${.ALLSRC} 89.if ${MK_FAST_DEPEND} == "yes" || !exists(${.OBJDIR}/${DEPENDFILE}) 90${_LC:R}.o: ${_LC} 91.endif 92SRCS:= ${SRCS:S/${_LSRC}/${_LC}/} 93CLEANFILES+= ${_LC} 94.endfor 95.endfor 96 97# Yacc grammars 98.for _YSRC in ${SRCS:M*.y:N*/*} 99.for _YC in ${_YSRC:R}.c 100SRCS:= ${SRCS:S/${_YSRC}/${_YC}/} 101CLEANFILES+= ${_YC} 102.if !empty(YFLAGS:M-d) && !empty(SRCS:My.tab.h) 103.ORDER: ${_YC} y.tab.h 104${_YC} y.tab.h: ${_YSRC} 105 ${YACC} ${YFLAGS} ${.ALLSRC} 106 cp y.tab.c ${_YC} 107CLEANFILES+= y.tab.c y.tab.h 108.elif !empty(YFLAGS:M-d) 109.for _YH in ${_YC:R}.h 110${_YH}: ${_YC} 111${_YC}: ${_YSRC} 112 ${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC} 113SRCS+= ${_YH} 114CLEANFILES+= ${_YH} 115.endfor 116.else 117${_YC}: ${_YSRC} 118 ${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC} 119.endif 120.if ${MK_FAST_DEPEND} == "yes" || !exists(${.OBJDIR}/${DEPENDFILE}) 121${_YC:R}.o: ${_YC} 122.endif 123.endfor 124.endfor 125 126# DTrace probe definitions 127.if ${SRCS:M*.d} 128CFLAGS+= -I${.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} ${DTRACEFLAGS} -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} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC} 140.if defined(LIB) 141CLEANFILES+= ${_D}.So ${_D}.po 142${_D}.So: ${_DSRC} ${SOBJS:S/^${_D}.So$//} 143 ${DTRACE} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC} 144${_D}.po: ${_DSRC} ${POBJS:S/^${_D}.po$//} 145 ${DTRACE} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC} 146.endif 147.endfor 148.endfor 149beforedepend: ${DHDRS} 150beforebuild: ${DHDRS} 151 152 153.if ${MK_FAST_DEPEND} == "yes" && \ 154 (${.MAKE.MODE:Mmeta} == "" || ${.MAKE.MODE:Mnofilemon} != "") 155DEPENDFILES+= ${DEPENDFILE}.* 156DEPEND_MP?= -MP 157# Handle OBJS=../somefile.o hacks. Just replace '/' rather than use :T to 158# avoid collisions. 159DEPEND_FILTER= C,/,_,g 160DEPEND_CFLAGS+= -MD ${DEPEND_MP} -MF${DEPENDFILE}.${.TARGET:${DEPEND_FILTER}} 161DEPEND_CFLAGS+= -MT${.TARGET} 162.if defined(.PARSEDIR) 163# Only add in DEPEND_CFLAGS for CFLAGS on files we expect from DEPENDOBJS 164# as those are the only ones we will include. 165DEPEND_CFLAGS_CONDITION= !empty(DEPENDOBJS:M${.TARGET:${DEPEND_FILTER}}) 166CFLAGS+= ${${DEPEND_CFLAGS_CONDITION}:?${DEPEND_CFLAGS}:} 167.else 168CFLAGS+= ${DEPEND_CFLAGS} 169.endif 170DEPENDSRCS= ${SRCS:M*.[cSC]} ${SRCS:M*.cxx} ${SRCS:M*.cpp} ${SRCS:M*.cc} 171.if !empty(DEPENDSRCS) 172DEPENDOBJS+= ${DEPENDSRCS:R:S,$,.o,} 173.endif 174DEPENDFILES_OBJS= ${DEPENDOBJS:O:u:${DEPEND_FILTER}:C/^/${DEPENDFILE}./} 175.if ${.MAKEFLAGS:M-V} == "" 176.for __depend_obj in ${DEPENDFILES_OBJS} 177.sinclude "${__depend_obj}" 178.endfor 179.endif 180.endif # ${MK_FAST_DEPEND} == "yes" 181.endif # defined(SRCS) 182 183.if ${MK_DIRDEPS_BUILD} == "yes" 184.include <meta.autodep.mk> 185# this depend: bypasses that below 186# the dependency helps when bootstrapping 187depend: beforedepend ${DPSRCS} ${SRCS} afterdepend 188beforedepend: 189afterdepend: beforedepend 190.endif 191 192.if !target(depend) 193.if defined(SRCS) 194depend: beforedepend ${DEPENDFILE} afterdepend 195 196# Tell bmake not to look for generated files via .PATH 197.NOPATH: ${DEPENDFILE} ${DEPENDFILES_OBJS} 198 199.if ${MK_FAST_DEPEND} == "no" 200# Capture -include from CFLAGS. 201# This could be simpler with bmake :tW but needs to support fmake for MFC. 202_CFLAGS_INCLUDES= ${CFLAGS:Q:S/\\ /,/g:C/-include,/-include%/g:C/,/ /g:M-include*:C/%/ /g} 203_CXXFLAGS_INCLUDES= ${CXXFLAGS:Q:S/\\ /,/g:C/-include,/-include%/g:C/,/ /g:M-include*:C/%/ /g} 204# XXX: Temporary hack to workaround .depend files not tracking -include 205.if !empty(_CFLAGS_INCLUDES) 206${OBJS} ${POBJS} ${SOBJS}: ${_CFLAGS_INCLUDES:M*.h} 207.endif 208.if !empty(_CXXFLAGS_INCLUDES) 209${OBJS} ${POBJS} ${SOBJS}: ${_CXXFLAGS_INCLUDES:M*.h} 210.endif 211 212# Different types of sources are compiled with slightly different flags. 213# Split up the sources, and filter out headers and non-applicable flags. 214MKDEP_CFLAGS= ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BIDU]*} ${CFLAGS:M-std=*} \ 215 ${CFLAGS:M-ansi} ${_CFLAGS_INCLUDES} 216MKDEP_CXXFLAGS= ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BIDU]*} \ 217 ${CXXFLAGS:M-std=*} ${CXXFLAGS:M-ansi} ${CXXFLAGS:M-stdlib=*} \ 218 ${_CXXFLAGS_INCLUDES} 219.endif # ${MK_FAST_DEPEND} == "no" 220 221DPSRCS+= ${SRCS} 222${DEPENDFILE}: ${DPSRCS} 223.if ${MK_FAST_DEPEND} == "no" 224 rm -f ${DEPENDFILE} 225.if !empty(DPSRCS:M*.[cS]) 226 ${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \ 227 ${MKDEP_CFLAGS} ${.ALLSRC:M*.[cS]} 228.endif 229.if !empty(DPSRCS:M*.cc) || !empty(DPSRCS:M*.C) || !empty(DPSRCS:M*.cpp) || \ 230 !empty(DPSRCS:M*.cxx) 231 ${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \ 232 ${MKDEP_CXXFLAGS} \ 233 ${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx} 234.else 235.endif 236.else 237 : > ${.TARGET} 238.endif # ${MK_FAST_DEPEND} == "no" 239.if target(_EXTRADEPEND) 240_EXTRADEPEND: .USE 241${DEPENDFILE}: _EXTRADEPEND 242.endif 243 244.ORDER: ${DEPENDFILE} afterdepend 245.else 246depend: beforedepend afterdepend 247.endif 248.if !target(beforedepend) 249beforedepend: 250.else 251.ORDER: beforedepend ${DEPENDFILE} 252.ORDER: beforedepend afterdepend 253.endif 254.if !target(afterdepend) 255afterdepend: 256.endif 257.endif 258 259.if !target(cleandepend) 260cleandepend: 261.if defined(SRCS) 262.if ${CTAGS:T} == "gtags" 263 rm -f ${DEPENDFILES} GPATH GRTAGS GSYMS GTAGS 264.if defined(HTML) 265 rm -rf HTML 266.endif 267.else 268 rm -f ${DEPENDFILES} tags 269.endif 270.endif 271.endif 272 273.if !target(checkdpadd) && (defined(DPADD) || defined(LDADD)) 274_LDADD_FROM_DPADD= ${DPADD:R:T:C;^lib(.*)$;-l\1;g} 275# Ignore -Wl,--start-group/-Wl,--end-group as it might be required in the 276# LDADD list due to unresolved symbols 277_LDADD_CANONICALIZED= ${LDADD:N:R:T:C;^lib(.*)$;-l\1;g:N-Wl,--[es]*-group} 278checkdpadd: 279.if ${_LDADD_FROM_DPADD} != ${_LDADD_CANONICALIZED} 280 @echo ${.CURDIR} 281 @echo "DPADD -> ${_LDADD_FROM_DPADD}" 282 @echo "LDADD -> ${_LDADD_CANONICALIZED}" 283.endif 284.endif 285