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" 179.if ${MAKE_VERSION} < 20160220 180DEPEND_MP?= -MP 181.endif 182# Handle OBJS=../somefile.o hacks. Just replace '/' rather than use :T to 183# avoid collisions. 184DEPEND_FILTER= C,/,_,g 185DEPENDSRCS= ${SRCS:M*.[cSC]} ${SRCS:M*.cxx} ${SRCS:M*.cpp} ${SRCS:M*.cc} 186.if !empty(DEPENDSRCS) 187DEPENDOBJS+= ${DEPENDSRCS:R:S,$,.o,} 188.endif 189DEPENDFILES_OBJS= ${DEPENDOBJS:O:u:${DEPEND_FILTER}:C/^/${DEPENDFILE}./} 190DEPEND_CFLAGS+= -MD ${DEPEND_MP} -MF${DEPENDFILE}.${.TARGET:${DEPEND_FILTER}} 191DEPEND_CFLAGS+= -MT${.TARGET} 192# Skip generating or including .depend.* files if in meta+filemon mode since 193# it will track dependencies itself. OBJS_DEPEND_GUESS is still used though. 194.if !defined(_meta_filemon) 195.if defined(.PARSEDIR) 196# Only add in DEPEND_CFLAGS for CFLAGS on files we expect from DEPENDOBJS 197# as those are the only ones we will include. 198DEPEND_CFLAGS_CONDITION= !empty(DEPENDOBJS:M${.TARGET:${DEPEND_FILTER}}) 199CFLAGS+= ${${DEPEND_CFLAGS_CONDITION}:?${DEPEND_CFLAGS}:} 200.else 201CFLAGS+= ${DEPEND_CFLAGS} 202.endif 203.if !defined(_SKIP_READ_DEPEND) 204.for __depend_obj in ${DEPENDFILES_OBJS} 205.if ${MAKE_VERSION} < 20160220 206.sinclude "${.OBJDIR}/${__depend_obj}" 207.else 208.dinclude "${.OBJDIR}/${__depend_obj}" 209.endif 210.endfor 211.endif # !defined(_SKIP_READ_DEPEND) 212.endif # !defined(_meta_filemon) 213.endif # ${MK_FAST_DEPEND} == "yes" 214.endif # defined(SRCS) 215 216.if ${MK_DIRDEPS_BUILD} == "yes" 217# Prevent meta.autodep.mk from tracking "local dependencies". 218.depend: 219.include <meta.autodep.mk> 220# If using filemon then _EXTRADEPEND is skipped since it is not needed. 221.if empty(.MAKE.MODE:Mnofilemon) 222# this depend: bypasses that below 223# the dependency helps when bootstrapping 224depend: beforedepend ${DPSRCS} ${SRCS} afterdepend 225beforedepend: 226afterdepend: beforedepend 227.endif 228.endif 229 230# Guess some dependencies for when no ${DEPENDFILE}.OBJ is generated yet. 231# For meta+filemon the .meta file is checked for since it is the dependency 232# file used. 233.if ${MK_FAST_DEPEND} == "yes" 234.for __obj in ${DEPENDOBJS:O:u} 235.if (defined(_meta_filemon) && !exists(${.OBJDIR}/${__obj}.meta)) || \ 236 (!defined(_meta_filemon) && !exists(${.OBJDIR}/${DEPENDFILE}.${__obj})) 237${__obj}: ${OBJS_DEPEND_GUESS} 238${__obj}: ${OBJS_DEPEND_GUESS.${__obj}} 239.endif 240.endfor 241 242# Always run 'make depend' to generate dependencies early and to avoid the 243# need for manually running it. The dirdeps build should only do this in 244# sub-makes though since MAKELEVEL0 is for dirdeps calculations. 245.if ${MK_DIRDEPS_BUILD} == "no" || ${.MAKE.LEVEL} > 0 246beforebuild: depend 247.endif 248.endif # ${MK_FAST_DEPEND} == "yes" 249 250.if !target(depend) 251.if defined(SRCS) 252depend: beforedepend ${DEPENDFILE} afterdepend 253 254# Tell bmake not to look for generated files via .PATH 255.NOPATH: ${DEPENDFILE} ${DEPENDFILES_OBJS} 256 257.if ${MK_FAST_DEPEND} == "no" 258# Capture -include from CFLAGS. 259# This could be simpler with bmake :tW but needs to support fmake for MFC. 260_CFLAGS_INCLUDES= ${CFLAGS:Q:S/\\ /,/g:C/-include,/-include%/g:C/,/ /g:M-include*:C/%/ /g} 261_CXXFLAGS_INCLUDES= ${CXXFLAGS:Q:S/\\ /,/g:C/-include,/-include%/g:C/,/ /g:M-include*:C/%/ /g} 262 263# Different types of sources are compiled with slightly different flags. 264# Split up the sources, and filter out headers and non-applicable flags. 265MKDEP_CFLAGS= ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BIDU]*} ${CFLAGS:M-std=*} \ 266 ${CFLAGS:M-ansi} ${_CFLAGS_INCLUDES} 267MKDEP_CXXFLAGS= ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BIDU]*} \ 268 ${CXXFLAGS:M-std=*} ${CXXFLAGS:M-ansi} ${CXXFLAGS:M-stdlib=*} \ 269 ${_CXXFLAGS_INCLUDES} 270.endif # ${MK_FAST_DEPEND} == "no" 271 272DPSRCS+= ${SRCS} 273# FAST_DEPEND will only generate a .depend if _EXTRADEPEND is used but 274# the target is created to allow 'make depend' to generate files. 275${DEPENDFILE}: ${DPSRCS} 276.if exists(${.OBJDIR}/${DEPENDFILE}) 277 rm -f ${DEPENDFILE} 278.endif 279.if ${MK_FAST_DEPEND} == "no" 280.if !empty(DPSRCS:M*.[cS]) 281 ${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \ 282 ${MKDEP_CFLAGS} ${.ALLSRC:M*.[cS]} 283.endif 284.if !empty(DPSRCS:M*.cc) || !empty(DPSRCS:M*.C) || !empty(DPSRCS:M*.cpp) || \ 285 !empty(DPSRCS:M*.cxx) 286 ${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \ 287 ${MKDEP_CXXFLAGS} \ 288 ${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx} 289.else 290.endif 291.endif # ${MK_FAST_DEPEND} == "no" 292.if target(_EXTRADEPEND) 293_EXTRADEPEND: .USE 294${DEPENDFILE}: _EXTRADEPEND 295.endif 296 297.ORDER: ${DEPENDFILE} afterdepend 298.else 299depend: beforedepend afterdepend 300.endif 301.if !target(beforedepend) 302beforedepend: 303.else 304.ORDER: beforedepend ${DEPENDFILE} 305.ORDER: beforedepend afterdepend 306.endif 307.if !target(afterdepend) 308afterdepend: 309.endif 310.endif 311 312.if defined(SRCS) 313.if ${CTAGS:T} == "gtags" 314CLEANDEPENDFILES+= GPATH GRTAGS GSYMS GTAGS 315.if defined(HTML) 316CLEANDEPENDDIRS+= HTML 317.endif 318.else 319CLEANDEPENDFILES+= tags 320.endif 321.endif 322.if !target(cleandepend) 323cleandepend: 324.if !empty(CLEANDEPENDFILES) 325 rm -f ${CLEANDEPENDFILES} 326.endif 327.if !empty(CLEANDEPENDDIRS) 328 rm -rf ${CLEANDEPENDDIRS} 329.endif 330.endif 331 332.if !target(checkdpadd) && (defined(DPADD) || defined(LDADD)) 333_LDADD_FROM_DPADD= ${DPADD:R:T:C;^lib(.*)$;-l\1;g} 334# Ignore -Wl,--start-group/-Wl,--end-group as it might be required in the 335# LDADD list due to unresolved symbols 336_LDADD_CANONICALIZED= ${LDADD:N:R:T:C;^lib(.*)$;-l\1;g:N-Wl,--[es]*-group} 337checkdpadd: 338.if ${_LDADD_FROM_DPADD} != ${_LDADD_CANONICALIZED} 339 @echo ${.CURDIR} 340 @echo "DPADD -> ${_LDADD_FROM_DPADD}" 341 @echo "LDADD -> ${_LDADD_CANONICALIZED}" 342.endif 343.endif 344