share/mk/bsd.dep.mk

   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
  46 CTAGS?=         gtags
  47 CTAGSFLAGS?=
  48 GTAGSFLAGS?=    -o
  49 HTAGSFLAGS?=
  50
  51 .if ${CC} != "cc"
  52 MKDEPCMD?=      CC='${CC}' mkdep
  53 .else
  54 MKDEPCMD?=      mkdep
  55 .endif
  56 DEPENDFILE?=    .depend
  57
  58 # Keep `tags' here, before SRCS are mangled below for `depend'.
  59 .if !target(tags) && defined(SRCS) && !defined(NO_TAGS)
  60 tags: ${SRCS}
  61 .if ${CTAGS:T} == "ctags"
  62         @${CTAGS} ${CTAGSFLAGS} -f /dev/stdout \
  63             ${.ALLSRC:N*.h} | sed "s;${.CURDIR}/;;" > ${.TARGET}
  64 .elif ${CTAGS:T} == "gtags"
  65         @cd ${.CURDIR} && ${CTAGS} ${GTAGSFLAGS} ${.OBJDIR}
  66 .if defined(HTML)
  67         @cd ${.CURDIR} && htags ${HTAGSFLAGS} -d ${.OBJDIR} ${.OBJDIR}
  68 .endif
  69 .endif
  70 .endif
  71
  72 .if defined(SRCS)
  73 CLEANFILES?=
  74
  75 .if !exists(${.OBJDIR}/${DEPENDFILE})
  76 .for _S in ${SRCS:N*.[hly]}
  77 ${_S:R}.o: ${_S}
  78 .endfor
  79 .endif
  80
  81 .for _LSRC in ${SRCS:M*.l:N*/*}
  82 .for _LC in ${_LSRC:R}.c
  83 ${_LC}: ${_LSRC}
  84         ${LEX} -t ${LFLAGS} ${.ALLSRC} > ${.TARGET}
  85 .if !exists(${.OBJDIR}/${DEPENDFILE})
  86 ${_LC:R}.o: ${_LC}
  87 .endif
  88 SRCS:=  ${SRCS:S/${_LSRC}/${_LC}/}
  89 CLEANFILES+= ${_LC}
  90 .endfor
  91 .endfor
  92
  93 .for _YSRC in ${SRCS:M*.y:N*/*}
  94 .for _YC in ${_YSRC:R}.c
  95 SRCS:=  ${SRCS:S/${_YSRC}/${_YC}/}
  96 CLEANFILES+= ${_YC}
  97 .if !empty(YFLAGS:M-d) && !empty(SRCS:My.tab.h)
  98 .ORDER: ${_YC} y.tab.h
  99 ${_YC} y.tab.h: ${_YSRC}
 100         ${YACC} ${YFLAGS} ${.ALLSRC}
 101         cp y.tab.c ${_YC}
 102 CLEANFILES+= y.tab.c y.tab.h
 103 .elif !empty(YFLAGS:M-d)
 104 .for _YH in ${_YC:R}.h
 105 .ORDER: ${_YC} ${_YH}
 106 ${_YC} ${_YH}: ${_YSRC}
 107         ${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
 108 SRCS+=  ${_YH}
 109 CLEANFILES+= ${_YH}
 110 .endfor
 111 .else
 112 ${_YC}: ${_YSRC}
 113         ${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
 114 .endif
 115 .if !exists(${.OBJDIR}/${DEPENDFILE})
 116 ${_YC:R}.o: ${_YC}
 117 .endif
 118 .endfor
 119 .endfor
 120 .endif
 121
 122 .if !target(depend)
 123 .if defined(SRCS)
 124 depend: beforedepend ${DEPENDFILE} afterdepend
 125
 126 # Different types of sources are compiled with slightly different flags.
 127 # Split up the sources, and filter out headers and non-applicable flags.
 128 .if ${CC} == "icc"
 129 MKDEP_CFLAGS=   ${CFLAGS:M-X*} ${CFLAGS:M-[BID]*}
 130 MKDEP_CXXFLAGS= ${CXXFLAGS:M-X*} ${CXXFLAGS:M-[BID]*}
 131 MKDEP_OBJCFLAGS=${OBJCFLAGS:M-X*} ${OBJCFLAGS:M-[BID]*}
 132 .else
 133 MKDEP_CFLAGS=   ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BID]*}
 134 MKDEP_CXXFLAGS= ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BID]*}
 135 MKDEP_OBJCFLAGS=${OBJCFLAGS:M-nostdinc*} ${OBJCFLAGS:M-[BID]*} ${OBJCFLAGS:M-Wno-import*}
 136 .endif
 137
 138 DPSRCS+= ${SRCS}
 139 ${DEPENDFILE}: ${DPSRCS}
 140         rm -f ${DEPENDFILE}
 141 .if !empty(DPSRCS:M*.[cS])
 142         ${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
 143             ${MKDEP_CFLAGS} ${.ALLSRC:M*.[cS]}
 144 .endif
 145 .if !empty(DPSRCS:M*.cc) || !empty(DPSRCS:M*.C) || !empty(DPSRCS:M*.cpp) || \
 146     !empty(DPSRCS:M*.cxx)
 147         ${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
 148             ${MKDEP_CXXFLAGS} \
 149             ${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx}
 150 .endif
 151 .if !empty(DPSRCS:M*.m)
 152         ${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
 153             ${MKDEP_OBJCFLAGS} ${.ALLSRC:M*.m}
 154 .endif
 155 .if target(_EXTRADEPEND)
 156 _EXTRADEPEND: .USE
 157 ${DEPENDFILE}: _EXTRADEPEND
 158 .endif
 159
 160 .ORDER: ${DEPENDFILE} afterdepend
 161 .else
 162 depend: beforedepend afterdepend
 163 .endif
 164 .if !target(beforedepend)
 165 beforedepend:
 166 .else
 167 .ORDER: beforedepend ${DEPENDFILE}
 168 .ORDER: beforedepend afterdepend
 169 .endif
 170 .if !target(afterdepend)
 171 afterdepend:
 172 .endif
 173 .endif
 174
 175 .if !target(cleandepend)
 176 cleandepend:
 177 .if defined(SRCS)
 178 .if ${CTAGS:T} == "ctags"
 179         rm -f ${DEPENDFILE} tags
 180 .elif ${CTAGS:T} == "gtags"
 181         rm -f ${DEPENDFILE} GPATH GRTAGS GSYMS GTAGS
 182 .if defined(HTML)
 183         rm -rf HTML
 184 .endif
 185 .endif
 186 .endif
 187 .endif
 188
 189 .if !target(checkdpadd) && (defined(DPADD) || defined(LDADD))
 190 _LDADD_FROM_DPADD=      ${DPADD:C;^/usr/lib/lib(.*)\.a$;-l\1;}
 191 _LDADD_CANONICALIZED=   ${LDADD:S/$//}
 192 checkdpadd:
 193 .if ${_LDADD_FROM_DPADD} != ${_LDADD_CANONICALIZED}
 194         @echo ${.CURDIR}
 195         @echo "DPADD -> ${_LDADD_FROM_DPADD}"
 196         @echo "LDADD -> ${_LDADD_CANONICALIZED}"
 197 .endif
 198 .endif