1# $FreeBSD$ 2# 3# The include file <bsd.dep.mk> handles Makefile dependencies. 4# 5# 6# +++ variables +++ 7# 8# CLEANDEPENDDIRS Additional directories to remove for the cleandepend 9# target. 10# 11# CLEANDEPENDFILES Additional files to remove for the cleandepend target. 12# 13# CTAGS A tags file generation program [gtags] 14# 15# CTAGSFLAGS Options for ctags(1) [not set] 16# 17# DEPENDFILE dependencies file [.depend] 18# 19# GTAGSFLAGS Options for gtags(1) [-o] 20# 21# HTAGSFLAGS Options for htags(1) [not set] 22# 23# MKDEP Options for ${MKDEPCMD} [not set] 24# 25# MKDEPCMD Makefile dependency list program [mkdep] 26# 27# SRCS List of source files (c, c++, assembler) 28# 29# DPSRCS List of source files which are needed for generating 30# dependencies, ${SRCS} are always part of it. 31# 32# +++ targets +++ 33# 34# cleandepend: 35# remove ${CLEANDEPENDFILES}; remove ${CLEANDEPENDDIRS} and all 36# contents. 37# 38# depend: 39# Make the dependencies for the source files, and store 40# them in the file ${DEPENDFILE}. 41# 42# tags: 43# In "ctags" mode, create a tags file for the source files. 44# In "gtags" mode, create a (GLOBAL) gtags file for the 45# source files. If HTML is defined, htags(1) is also run 46# after gtags(1). 47 48.if !target(__<bsd.init.mk>__) 49.error bsd.dep.mk cannot be included directly. 50.endif 51 52CTAGS?= gtags 53CTAGSFLAGS?= 54GTAGSFLAGS?= -o 55HTAGSFLAGS?= 56 57_MKDEPCC:= ${CC:N${CCACHE_BIN}} 58# XXX: DEPFLAGS can come out once Makefile.inc1 properly passes down 59# CXXFLAGS. 60.if !empty(DEPFLAGS) 61_MKDEPCC+= ${DEPFLAGS} 62.endif 63MKDEPCMD?= CC='${_MKDEPCC}' mkdep 64.if ${MK_DIRDEPS_BUILD} == "no" 65.MAKE.DEPENDFILE= ${DEPENDFILE} 66.endif 67CLEANDEPENDFILES+= ${DEPENDFILE} ${DEPENDFILE}.* 68 69# Keep `tags' here, before SRCS are mangled below for `depend'. 70.if !target(tags) && defined(SRCS) && !defined(NO_TAGS) 71tags: ${SRCS} 72.if ${CTAGS:T} == "gtags" 73 @cd ${.CURDIR} && ${CTAGS} ${GTAGSFLAGS} ${.OBJDIR} 74.if defined(HTML) 75 @cd ${.CURDIR} && htags ${HTAGSFLAGS} -d ${.OBJDIR} ${.OBJDIR} 76.endif 77.else 78 @${CTAGS} ${CTAGSFLAGS} -f /dev/stdout \ 79 ${.ALLSRC:N*.h} | sed "s;${.CURDIR}/;;" > ${.TARGET} 80.endif 81.endif 82 83# Skip reading .depend when not needed to speed up tree-walks 84# and simple lookups. 85.if !empty(.MAKEFLAGS:M-V${_V_READ_DEPEND}) || make(obj) || make(clean*) || \ 86 make(install*) || make(analyze) 87_SKIP_READ_DEPEND= 1 88.if ${MK_DIRDEPS_BUILD} == "no" 89.MAKE.DEPENDFILE= /dev/null 90.endif 91.endif 92 93.if defined(SRCS) 94CLEANFILES?= 95 96.for _S in ${SRCS:N*.[dhly]} 97OBJS_DEPEND_GUESS.${_S:R}.o= ${_S} 98.if ${MK_FAST_DEPEND} == "no" && !exists(${.OBJDIR}/${DEPENDFILE}) 99${_S:R}.o: ${OBJS_DEPEND_GUESS.${_S:R}.o} 100.endif 101.endfor 102 103# Lexical analyzers 104.for _LSRC in ${SRCS:M*.l:N*/*} 105.for _LC in ${_LSRC:R}.c 106${_LC}: ${_LSRC} 107 ${LEX} ${LFLAGS} -o${.TARGET} ${.ALLSRC} 108OBJS_DEPEND_GUESS.${_LC:R}.o= ${_LC} 109.if ${MK_FAST_DEPEND} == "no" && !exists(${.OBJDIR}/${DEPENDFILE}) 110${_LC:R}.o: ${OBJS_DEPEND_GUESS.${_LC:R}.o} 111.endif 112SRCS:= ${SRCS:S/${_LSRC}/${_LC}/} 113CLEANFILES+= ${_LC} 114.endfor 115.endfor 116 117# Yacc grammars 118.for _YSRC in ${SRCS:M*.y:N*/*} 119.for _YC in ${_YSRC:R}.c 120SRCS:= ${SRCS:S/${_YSRC}/${_YC}/} 121CLEANFILES+= ${_YC} 122.if !empty(YFLAGS:M-d) && !empty(SRCS:My.tab.h) 123.ORDER: ${_YC} y.tab.h 124${_YC} y.tab.h: ${_YSRC} 125 ${YACC} ${YFLAGS} ${.ALLSRC} 126 cp y.tab.c ${_YC} 127CLEANFILES+= y.tab.c y.tab.h 128.elif !empty(YFLAGS:M-d) 129.for _YH in ${_YC:R}.h 130.ORDER: ${_YC} ${_YH} 131${_YC} ${_YH}: ${_YSRC} 132 ${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC} 133SRCS+= ${_YH} 134CLEANFILES+= ${_YH} 135.endfor 136.else 137${_YC}: ${_YSRC} 138 ${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC} 139.endif 140OBJS_DEPEND_GUESS.${_YC:R}.o= ${_YC} 141.if ${MK_FAST_DEPEND} == "no" && !exists(${.OBJDIR}/${DEPENDFILE}) 142${_YC:R}.o: ${OBJS_DEPEND_GUESS.${_YC:R}.o} 143.endif 144.endfor 145.endfor 146 147# DTrace probe definitions 148.if ${SRCS:M*.d} 149CFLAGS+= -I${.OBJDIR} 150.endif 151.for _DSRC in ${SRCS:M*.d:N*/*} 152.for _D in ${_DSRC:R} 153SRCS+= ${_D}.h 154${_D}.h: ${_DSRC} 155 ${DTRACE} ${DTRACEFLAGS} -h -s ${.ALLSRC} 156SRCS:= ${SRCS:S/^${_DSRC}$//} 157OBJS+= ${_D}.o 158CLEANFILES+= ${_D}.h ${_D}.o 159${_D}.o: ${_DSRC} ${OBJS:S/^${_D}.o$//} 160 @rm -f ${.TARGET} 161 ${DTRACE} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC:N*.h} 162.if defined(LIB) 163CLEANFILES+= ${_D}.So ${_D}.po 164${_D}.So: ${_DSRC} ${SOBJS:S/^${_D}.So$//} 165 @rm -f ${.TARGET} 166 ${DTRACE} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC:N*.h} 167${_D}.po: ${_DSRC} ${POBJS:S/^${_D}.po$//} 168 @rm -f ${.TARGET} 169 ${DTRACE} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC:N*.h} 170.endif 171.endfor 172.endfor 173 174 175.if !empty(.MAKE.MODE:Mmeta) && empty(.MAKE.MODE:Mnofilemon) 176_meta_filemon= 1 177.endif 178.if ${MK_FAST_DEPEND} == "yes" 179DEPEND_MP?= -MP 180# Handle OBJS=../somefile.o hacks. Just replace '/' rather than use :T to 181# avoid collisions. 182DEPEND_FILTER= C,/,_,g 183DEPENDSRCS= ${SRCS:M*.[cSC]} ${SRCS:M*.cxx} ${SRCS:M*.cpp} ${SRCS:M*.cc} 184.if !empty(DEPENDSRCS) 185DEPENDOBJS+= ${DEPENDSRCS:R:S,$,.o,} 186.endif 187DEPENDFILES_OBJS= ${DEPENDOBJS:O:u:${DEPEND_FILTER}:C/^/${DEPENDFILE}./} 188DEPEND_CFLAGS+= -MD ${DEPEND_MP} -MF${DEPENDFILE}.${.TARGET:${DEPEND_FILTER}} 189DEPEND_CFLAGS+= -MT${.TARGET} 190# Skip generating or including .depend.* files if in meta+filemon mode since 191# it will track dependencies itself. OBJS_DEPEND_GUESS is still used though. 192.if !defined(_meta_filemon) 193.if defined(.PARSEDIR) 194# Only add in DEPEND_CFLAGS for CFLAGS on files we expect from DEPENDOBJS 195# as those are the only ones we will include. 196DEPEND_CFLAGS_CONDITION= !empty(DEPENDOBJS:M${.TARGET:${DEPEND_FILTER}}) 197CFLAGS+= ${${DEPEND_CFLAGS_CONDITION}:?${DEPEND_CFLAGS}:} 198.else 199CFLAGS+= ${DEPEND_CFLAGS} 200.endif 201.if !defined(_SKIP_READ_DEPEND) 202.for __depend_obj in ${DEPENDFILES_OBJS} 203.sinclude "${__depend_obj}" 204.endfor 205.endif # !defined(_SKIP_READ_DEPEND) 206.endif # !defined(_meta_filemon) 207.endif # ${MK_FAST_DEPEND} == "yes" 208.endif # defined(SRCS) 209 210.if ${MK_DIRDEPS_BUILD} == "yes" 211# Prevent meta.autodep.mk from tracking "local dependencies". 212.depend: 213.include <meta.autodep.mk> 214# If using filemon then _EXTRADEPEND is skipped since it is not needed. 215.if empty(.MAKE.MODE:Mnofilemon) 216# this depend: bypasses that below 217# the dependency helps when bootstrapping 218depend: beforedepend ${DPSRCS} ${SRCS} afterdepend 219beforedepend: 220afterdepend: beforedepend 221.endif 222.endif 223 224# Guess some dependencies for when no ${DEPENDFILE}.OBJ is generated yet. 225# For meta+filemon the .meta file is checked for since it is the dependency 226# file used. 227.if ${MK_FAST_DEPEND} == "yes" 228.for __obj in ${DEPENDOBJS:O:u} 229.if (defined(_meta_filemon) && !exists(${.OBJDIR}/${__obj}.meta)) || \ 230 (!defined(_meta_filemon) && !exists(${.OBJDIR}/${DEPENDFILE}.${__obj})) 231${__obj}: ${OBJS_DEPEND_GUESS} 232${__obj}: ${OBJS_DEPEND_GUESS.${__obj}} 233.endif 234.endfor 235 236# Always run 'make depend' to generate dependencies early and to avoid the 237# need for manually running it. The dirdeps build should only do this in 238# sub-makes though since MAKELEVEL0 is for dirdeps calculations. 239.if ${MK_DIRDEPS_BUILD} == "no" || ${.MAKE.LEVEL} > 0 240beforebuild: depend 241.endif 242.endif # ${MK_FAST_DEPEND} == "yes" 243 244.if !target(depend) 245.if defined(SRCS) 246depend: beforedepend ${DEPENDFILE} afterdepend 247 248# Tell bmake not to look for generated files via .PATH 249.NOPATH: ${DEPENDFILE} ${DEPENDFILES_OBJS} 250 251.if ${MK_FAST_DEPEND} == "no" 252# Capture -include from CFLAGS. 253# This could be simpler with bmake :tW but needs to support fmake for MFC. 254_CFLAGS_INCLUDES= ${CFLAGS:Q:S/\\ /,/g:C/-include,/-include%/g:C/,/ /g:M-include*:C/%/ /g} 255_CXXFLAGS_INCLUDES= ${CXXFLAGS:Q:S/\\ /,/g:C/-include,/-include%/g:C/,/ /g:M-include*:C/%/ /g} 256 257# Different types of sources are compiled with slightly different flags. 258# Split up the sources, and filter out headers and non-applicable flags. 259MKDEP_CFLAGS= ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BIDU]*} ${CFLAGS:M-std=*} \ 260 ${CFLAGS:M-ansi} ${_CFLAGS_INCLUDES} 261MKDEP_CXXFLAGS= ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BIDU]*} \ 262 ${CXXFLAGS:M-std=*} ${CXXFLAGS:M-ansi} ${CXXFLAGS:M-stdlib=*} \ 263 ${_CXXFLAGS_INCLUDES} 264.endif # ${MK_FAST_DEPEND} == "no" 265 266DPSRCS+= ${SRCS} 267# FAST_DEPEND will only generate a .depend if _EXTRADEPEND is used but 268# the target is created to allow 'make depend' to generate files. 269${DEPENDFILE}: ${DPSRCS} 270.if exists(${.OBJDIR}/${DEPENDFILE}) 271 rm -f ${DEPENDFILE} 272.endif 273.if ${MK_FAST_DEPEND} == "no" 274.if !empty(DPSRCS:M*.[cS]) 275 ${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \ 276 ${MKDEP_CFLAGS} ${.ALLSRC:M*.[cS]} 277.endif 278.if !empty(DPSRCS:M*.cc) || !empty(DPSRCS:M*.C) || !empty(DPSRCS:M*.cpp) || \ 279 !empty(DPSRCS:M*.cxx) 280 ${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \ 281 ${MKDEP_CXXFLAGS} \ 282 ${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx} 283.else 284.endif 285.endif # ${MK_FAST_DEPEND} == "no" 286.if target(_EXTRADEPEND) 287_EXTRADEPEND: .USE 288${DEPENDFILE}: _EXTRADEPEND 289.endif 290 291.ORDER: ${DEPENDFILE} afterdepend 292.else 293depend: beforedepend afterdepend 294.endif 295.if !target(beforedepend) 296beforedepend: 297.else 298.ORDER: beforedepend ${DEPENDFILE} 299.ORDER: beforedepend afterdepend 300.endif 301.if !target(afterdepend) 302afterdepend: 303.endif 304.endif 305 306.if defined(SRCS) 307.if ${CTAGS:T} == "gtags" 308CLEANDEPENDFILES+= GPATH GRTAGS GSYMS GTAGS 309.if defined(HTML) 310CLEANDEPENDDIRS+= HTML 311.endif 312.else 313CLEANDEPENDFILES+= tags 314.endif 315.endif 316.if !target(cleandepend) 317cleandepend: 318.if !empty(CLEANDEPENDFILES) 319 rm -f ${CLEANDEPENDFILES} 320.endif 321.if !empty(CLEANDEPENDDIRS) 322 rm -rf ${CLEANDEPENDDIRS} 323.endif 324.endif 325 326.if !target(checkdpadd) && (defined(DPADD) || defined(LDADD)) 327_LDADD_FROM_DPADD= ${DPADD:R:T:C;^lib(.*)$;-l\1;g} 328# Ignore -Wl,--start-group/-Wl,--end-group as it might be required in the 329# LDADD list due to unresolved symbols 330_LDADD_CANONICALIZED= ${LDADD:N:R:T:C;^lib(.*)$;-l\1;g:N-Wl,--[es]*-group} 331checkdpadd: 332.if ${_LDADD_FROM_DPADD} != ${_LDADD_CANONICALIZED} 333 @echo ${.CURDIR} 334 @echo "DPADD -> ${_LDADD_FROM_DPADD}" 335 @echo "LDADD -> ${_LDADD_CANONICALIZED}" 336.endif 337.endif 338