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 59.if ${MK_DIRDEPS_BUILD} == "no" 60.MAKE.DEPENDFILE= ${DEPENDFILE} 61.endif 62DEPENDFILES= ${DEPENDFILE} 63 64# Keep `tags' here, before SRCS are mangled below for `depend'. 65.if !target(tags) && defined(SRCS) && !defined(NO_TAGS) 66tags: ${SRCS} 67.if ${CTAGS:T} == "gtags" 68 @cd ${.CURDIR} && ${CTAGS} ${GTAGSFLAGS} ${.OBJDIR} 69.if defined(HTML) 70 @cd ${.CURDIR} && htags ${HTAGSFLAGS} -d ${.OBJDIR} ${.OBJDIR} 71.endif 72.else 73 @${CTAGS} ${CTAGSFLAGS} -f /dev/stdout \ 74 ${.ALLSRC:N*.h} | sed "s;${.CURDIR}/;;" > ${.TARGET} 75.endif 76.endif 77 78.if defined(SRCS) 79CLEANFILES?= 80 81.if ${MK_FAST_DEPEND} == "yes" || !exists(${.OBJDIR}/${DEPENDFILE}) 82.for _S in ${SRCS:N*.[dhly]} 83${_S:R}.o: ${_S} 84.endfor 85.endif 86 87# Lexical analyzers 88.for _LSRC in ${SRCS:M*.l:N*/*} 89.for _LC in ${_LSRC:R}.c 90${_LC}: ${_LSRC} 91 ${LEX} ${LFLAGS} -o${.TARGET} ${.ALLSRC} 92.if ${MK_FAST_DEPEND} == "yes" || !exists(${.OBJDIR}/${DEPENDFILE}) 93${_LC:R}.o: ${_LC} 94.endif 95SRCS:= ${SRCS:S/${_LSRC}/${_LC}/} 96CLEANFILES+= ${_LC} 97.endfor 98.endfor 99 100# Yacc grammars 101.for _YSRC in ${SRCS:M*.y:N*/*} 102.for _YC in ${_YSRC:R}.c 103SRCS:= ${SRCS:S/${_YSRC}/${_YC}/} 104CLEANFILES+= ${_YC} 105.if !empty(YFLAGS:M-d) && !empty(SRCS:My.tab.h) 106.ORDER: ${_YC} y.tab.h 107${_YC} y.tab.h: ${_YSRC} 108 ${YACC} ${YFLAGS} ${.ALLSRC} 109 cp y.tab.c ${_YC} 110CLEANFILES+= y.tab.c y.tab.h 111.elif !empty(YFLAGS:M-d) 112.for _YH in ${_YC:R}.h 113.ORDER: ${_YC} ${_YH} 114${_YC} ${_YH}: ${_YSRC} 115 ${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC} 116SRCS+= ${_YH} 117CLEANFILES+= ${_YH} 118.endfor 119.else 120${_YC}: ${_YSRC} 121 ${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC} 122.endif 123.if ${MK_FAST_DEPEND} == "yes" || !exists(${.OBJDIR}/${DEPENDFILE}) 124${_YC:R}.o: ${_YC} 125.endif 126.endfor 127.endfor 128 129# DTrace probe definitions 130.if ${SRCS:M*.d} 131CFLAGS+= -I${.OBJDIR} 132.endif 133.for _DSRC in ${SRCS:M*.d:N*/*} 134.for _D in ${_DSRC:R} 135SRCS+= ${_D}.h 136${_D}.h: ${_DSRC} 137 ${DTRACE} ${DTRACEFLAGS} -h -s ${.ALLSRC} 138SRCS:= ${SRCS:S/^${_DSRC}$//} 139OBJS+= ${_D}.o 140CLEANFILES+= ${_D}.h ${_D}.o 141${_D}.o: ${_DSRC} ${OBJS:S/^${_D}.o$//} 142 @rm -f ${.TARGET} 143 ${DTRACE} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC:N*.h} 144.if defined(LIB) 145CLEANFILES+= ${_D}.So ${_D}.po 146${_D}.So: ${_DSRC} ${SOBJS:S/^${_D}.So$//} 147 @rm -f ${.TARGET} 148 ${DTRACE} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC:N*.h} 149${_D}.po: ${_DSRC} ${POBJS:S/^${_D}.po$//} 150 @rm -f ${.TARGET} 151 ${DTRACE} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC:N*.h} 152.endif 153.endfor 154.endfor 155 156 157.if ${MK_FAST_DEPEND} == "yes" && \ 158 (${.MAKE.MODE:Mmeta} == "" || ${.MAKE.MODE:Mnofilemon} != "") 159DEPENDFILES+= ${DEPENDFILE}.* 160DEPEND_MP?= -MP 161# Handle OBJS=../somefile.o hacks. Just replace '/' rather than use :T to 162# avoid collisions. 163DEPEND_FILTER= C,/,_,g 164DEPEND_CFLAGS+= -MD ${DEPEND_MP} -MF${DEPENDFILE}.${.TARGET:${DEPEND_FILTER}} 165DEPEND_CFLAGS+= -MT${.TARGET} 166.if defined(.PARSEDIR) 167# Only add in DEPEND_CFLAGS for CFLAGS on files we expect from DEPENDOBJS 168# as those are the only ones we will include. 169DEPEND_CFLAGS_CONDITION= !empty(DEPENDOBJS:M${.TARGET:${DEPEND_FILTER}}) 170CFLAGS+= ${${DEPEND_CFLAGS_CONDITION}:?${DEPEND_CFLAGS}:} 171.else 172CFLAGS+= ${DEPEND_CFLAGS} 173.endif 174DEPENDSRCS= ${SRCS:M*.[cSC]} ${SRCS:M*.cxx} ${SRCS:M*.cpp} ${SRCS:M*.cc} 175.if !empty(DEPENDSRCS) 176DEPENDOBJS+= ${DEPENDSRCS:R:S,$,.o,} 177.endif 178DEPENDFILES_OBJS= ${DEPENDOBJS:O:u:${DEPEND_FILTER}:C/^/${DEPENDFILE}./} 179.if ${.MAKEFLAGS:M-V} == "" 180.for __depend_obj in ${DEPENDFILES_OBJS} 181.sinclude "${__depend_obj}" 182.endfor 183.endif 184.endif # ${MK_FAST_DEPEND} == "yes" 185.endif # defined(SRCS) 186 187.if ${MK_DIRDEPS_BUILD} == "yes" 188.include <meta.autodep.mk> 189# this depend: bypasses that below 190# the dependency helps when bootstrapping 191depend: beforedepend ${DPSRCS} ${SRCS} afterdepend 192beforedepend: 193afterdepend: beforedepend 194.endif 195 196.if !target(depend) 197.if defined(SRCS) 198depend: beforedepend ${DEPENDFILE} afterdepend 199 200# Tell bmake not to look for generated files via .PATH 201.NOPATH: ${DEPENDFILE} ${DEPENDFILES_OBJS} 202 203.if ${MK_FAST_DEPEND} == "no" 204# Capture -include from CFLAGS. 205# This could be simpler with bmake :tW but needs to support fmake for MFC. 206_CFLAGS_INCLUDES= ${CFLAGS:Q:S/\\ /,/g:C/-include,/-include%/g:C/,/ /g:M-include*:C/%/ /g} 207_CXXFLAGS_INCLUDES= ${CXXFLAGS:Q:S/\\ /,/g:C/-include,/-include%/g:C/,/ /g:M-include*:C/%/ /g} 208# XXX: Temporary hack to workaround .depend files not tracking -include 209_hdrincludes=${_CFLAGS_INCLUDES:M*.h} ${_CXXFLAGS_INCLUDES:M*.h} 210.for _hdr in ${_hdrincludes:O:u} 211.if exists(${_hdr}) 212${OBJS} ${POBJS} ${SOBJS}: ${_hdr} 213.endif 214.endfor 215.undef _hdrincludes 216 217# Different types of sources are compiled with slightly different flags. 218# Split up the sources, and filter out headers and non-applicable flags. 219MKDEP_CFLAGS= ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BIDU]*} ${CFLAGS:M-std=*} \ 220 ${CFLAGS:M-ansi} ${_CFLAGS_INCLUDES} 221MKDEP_CXXFLAGS= ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BIDU]*} \ 222 ${CXXFLAGS:M-std=*} ${CXXFLAGS:M-ansi} ${CXXFLAGS:M-stdlib=*} \ 223 ${_CXXFLAGS_INCLUDES} 224.endif # ${MK_FAST_DEPEND} == "no" 225 226DPSRCS+= ${SRCS} 227${DEPENDFILE}: ${DPSRCS} 228.if ${MK_FAST_DEPEND} == "no" 229 rm -f ${DEPENDFILE} 230.if !empty(DPSRCS:M*.[cS]) 231 ${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \ 232 ${MKDEP_CFLAGS} ${.ALLSRC:M*.[cS]} 233.endif 234.if !empty(DPSRCS:M*.cc) || !empty(DPSRCS:M*.C) || !empty(DPSRCS:M*.cpp) || \ 235 !empty(DPSRCS:M*.cxx) 236 ${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \ 237 ${MKDEP_CXXFLAGS} \ 238 ${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx} 239.else 240.endif 241.else 242 : > ${.TARGET} 243.endif # ${MK_FAST_DEPEND} == "no" 244.if target(_EXTRADEPEND) 245_EXTRADEPEND: .USE 246${DEPENDFILE}: _EXTRADEPEND 247.endif 248 249.ORDER: ${DEPENDFILE} afterdepend 250.else 251depend: beforedepend afterdepend 252.endif 253.if !target(beforedepend) 254beforedepend: 255.else 256.ORDER: beforedepend ${DEPENDFILE} 257.ORDER: beforedepend afterdepend 258.endif 259.if !target(afterdepend) 260afterdepend: 261.endif 262.endif 263 264.if !target(cleandepend) 265cleandepend: 266.if defined(SRCS) 267.if ${CTAGS:T} == "gtags" 268 rm -f ${DEPENDFILES} GPATH GRTAGS GSYMS GTAGS 269.if defined(HTML) 270 rm -rf HTML 271.endif 272.else 273 rm -f ${DEPENDFILES} tags 274.endif 275.endif 276.endif 277 278.if !target(checkdpadd) && (defined(DPADD) || defined(LDADD)) 279_LDADD_FROM_DPADD= ${DPADD:R:T:C;^lib(.*)$;-l\1;g} 280# Ignore -Wl,--start-group/-Wl,--end-group as it might be required in the 281# LDADD list due to unresolved symbols 282_LDADD_CANONICALIZED= ${LDADD:N:R:T:C;^lib(.*)$;-l\1;g:N-Wl,--[es]*-group} 283checkdpadd: 284.if ${_LDADD_FROM_DPADD} != ${_LDADD_CANONICALIZED} 285 @echo ${.CURDIR} 286 @echo "DPADD -> ${_LDADD_FROM_DPADD}" 287 @echo "LDADD -> ${_LDADD_CANONICALIZED}" 288.endif 289.endif 290