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