share/mk/bsd.dep.mk

   1 # $FreeBSD: src/share/mk/bsd.dep.mk,v 1.27.2.3 2002/12/23 16:33:37 ru Exp $
   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 # MKDEPCC       CC to be used in ${MKDEPCMD} script [cc]
  21 #
  22 # MKDEPCMD      Makefile dependency list program [mkdep]
  23 #
  24 # MKDEPINTDEPS  Extra internal dependencies for intermediates [not set]
  25 #
  26 # SRCS          List of source files (c, c++, assembler)
  27 #
  28 #
  29 # +++ targets +++
  30 #
  31 #       cleandepend:
  32 #               Remove depend and tags file
  33 #
  34 #       depend:
  35 #               Make the dependencies for the source files, and store
  36 #               them in the file ${DEPENDFILE}.
  37 #
  38 #       tags:
  39 #               In "ctags" mode, create a tags file for the source files.
  40 #               In "gtags" mode, create a (GLOBAL) gtags file for the
  41 #               source files.  If HTML is defined, htags(1) is also run
  42 #               after gtags(1).
  43
  44 .if !target(__<bsd.init.mk>__)
  45 .error bsd.dep.mk cannot be included directly.
  46 .endif
  47
  48 CTAGS?=         gtags
  49 CTAGSFLAGS?=
  50 GTAGSFLAGS?=    -o
  51 HTAGSFLAGS?=
  52
  53 MKDEPCMD?=      mkdep
  54 MKDEPCC?=       ${CC}
  55 DEPENDFILE?=    .depend
  56
  57 # Support better dependencies tracking for both host cc and target cc.
  58 .if defined(__USE_HOST_CCVER)
  59 _MKDEPENV=      ${NXENV:NPATH=*}
  60 .else
  61 _MKDEPENV=      CCVER=${CCVER}
  62 .endif
  63
  64 # Keep `tags' here, before SRCS are mangled below for `depend'.
  65 .if !target(tags) && defined(SRCS) && !defined(NOTAGS)
  66 tags: ${SRCS}
  67 .if ${CTAGS:T} == "ctags"
  68         @${CTAGS} ${CTAGSFLAGS} -f /dev/stdout \
  69             ${.ALLSRC:N*.h} | sed "s;${.CURDIR}/;;" > ${.TARGET}
  70 .elif ${CTAGS:T} == "gtags"
  71         @cd ${.CURDIR} && ${CTAGS} ${GTAGSFLAGS} ${.OBJDIR}
  72 .if defined(HTML)
  73         @cd ${.CURDIR} && htags ${HTAGSFLAGS} -d ${.OBJDIR} ${.OBJDIR}
  74 .endif
  75 .endif
  76 .endif
  77
  78 .if defined(SRCS)
  79 CLEANFILES?=
  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 SRCS:=  ${SRCS:S/${_LSRC}/${_LC}/}
  86 CLEANFILES+= ${_LC}
  87 .endfor
  88 .endfor
  89
  90 .for _YSRC in ${SRCS:M*.y:N*/*}
  91 .for _YC in ${_YSRC:R}.c
  92 SRCS:=  ${SRCS:S/${_YSRC}/${_YC}/}
  93 CLEANFILES+= ${_YC}
  94 .if !empty(YFLAGS:M-d) && !empty(SRCS:My.tab.h)
  95 .ORDER: ${_YC} y.tab.h
  96 ${_YC} y.tab.h: ${_YSRC}
  97         ${YACC} ${YFLAGS} ${.ALLSRC}
  98         cp y.tab.c ${_YC}
  99 CLEANFILES+= y.tab.c y.tab.h
 100 .elif !empty(YFLAGS:M-d)
 101 .for _YH in ${_YC:S/.c/.h/}
 102 ${_YH}: ${_YC}
 103 ${_YC}: ${_YSRC}
 104         ${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
 105 SRCS+= ${_YH}
 106 CLEANFILES+= ${_YH}
 107 .endfor
 108 .else
 109 ${_YC}: ${_YSRC}
 110         ${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
 111 .endif
 112 .endfor
 113 .endfor
 114 .endif
 115
 116 .if !target(depend)
 117 .if defined(SRCS)
 118 depend: beforedepend _dependincs ${DEPENDFILE} afterdepend
 119
 120 # Tell bmake not to look for generated files via .PATH
 121 .NOPATH: ${DEPENDFILE}
 122
 123 # Different types of sources are compiled with slightly different flags.
 124 # Split up the sources, and filter out headers and non-applicable flags.
 125 # Separate flag groups out of the sources and treat them differently.
 126 # The special "_" group is for all files not in any group.
 127 __FLAGS=
 128 __FLAGS_FILES=  ${SRCS}
 129 .for _FG in ${FLAGS_GROUPS}
 130 .for _FFILE in ${${_FG}_FLAGS_FILES}
 131 __FLAGS_FILES:= ${__FLAGS_FILES:N${_FFILE}}
 132 .endfor
 133 .endfor
 134
 135 _DEPENDFILES=   ${FLAGS_GROUPS:S/^/.depend_/g}
 136
 137 ${DEPENDFILE}: ${_DEPENDFILES}
 138
 139 #
 140 # __FLAG_FILES is built from SRCS.  That means it will contain
 141 # also .h files and other files that are not direct sources, but which
 142 # might be required to even run mkdep.  This is important if those are
 143 # generated as well, like some forwarding headers.
 144 #
 145 # We'll have to pass these "sources" on to the other .depend_ file targets,
 146 # since otherwise they might be run before the generated sources are
 147 # generated.  _ALL_DEPENDS captures all files in SRCS that are not handled
 148 # by the mkdep calls, i.e. all sources that are not being used directly
 149 # for the .depend* file.
 150 #
 151 _ALL_DEPENDS=${__FLAGS_FILES:N*.[sS]:N*.c:N*.cc:N*.C:N*.cpp:N*.cpp:N*.cxx:N*.m}
 152
 153 .for _FG in _ ${FLAGS_GROUPS}
 154 .depend${_FG:S/^/_/:N__}: ${${_FG}_FLAGS_FILES} ${_ALL_DEPENDS}
 155         -rm -f ${.TARGET}
 156         -> ${.TARGET}
 157 .if ${${_FG}_FLAGS_FILES:M*.[csS]} != ""
 158         ${_MKDEPENV} CC=${MKDEPCC} ${MKDEPCMD} -f ${.TARGET} -a ${MKDEP} \
 159             ${${_FG}_FLAGS} \
 160             ${CFLAGS:M--sysroot=*} \
 161             ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BID]*} \
 162             ${CFLAGS:M-std=*} \
 163             ${.ALLSRC:M*.[csS]}
 164 .endif
 165 .if ${${_FG}_FLAGS_FILES:M*.cc} != "" || \
 166     ${${_FG}_FLAGS_FILES:M*.C} != "" || \
 167     ${${_FG}_FLAGS_FILES:M*.cpp} != "" || \
 168     ${${_FG}_FLAGS_FILES:M*.cxx} != ""
 169         ${_MKDEPENV} CC=${CXX} ${MKDEPCMD} -f ${.TARGET} -a ${MKDEP} \
 170             ${${_FG}_FLAGS} \
 171             ${CXXFLAGS:M--sysroot=*} \
 172             ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BID]*} \
 173             ${CXXFLAGS:M-std=*} \
 174             ${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx}
 175 .endif
 176 .if ${${_FG}_FLAGS_FILES:M*.m} != ""
 177         ${MKDEPCMD} -f ${.TARGET} -a ${MKDEP} \
 178             ${${_FG}_FLAGS} \
 179             ${OBJCFLAGS:M-nostdinc*} ${OBJCFLAGS:M-[BID]*} \
 180             ${OBJCFLAGS:M-Wno-import*} \
 181             ${.ALLSRC:M*.m}
 182 .endif
 183 .if !empty(${_FG:M_}) && !empty(_DEPENDFILES)
 184         cat ${_DEPENDFILES} >> ${.TARGET}
 185 .endif
 186 .if defined(MKDEPINTDEPS) && !empty(MKDEPINTDEPS)
 187 . for _ITD in ${MKDEPINTDEPS:O:u}
 188         TMP=_depend$$$$; \
 189         sed -e "s,${_ITD:C/^(.*:)(.*)/\1,\2 \1/},g" < ${.TARGET} > $$TMP; \
 190         mv $$TMP ${.TARGET}
 191 . endfor
 192 .endif
 193 .endfor
 194
 195 .if target(_EXTRADEPEND)
 196 _EXTRADEPEND: .USE
 197 ${DEPENDFILE}: _EXTRADEPEND
 198 .endif
 199
 200 .else
 201 depend: beforedepend _dependincs afterdepend
 202 .endif
 203 .if !target(beforedepend)
 204 beforedepend:
 205 .endif
 206 .if !target(afterdepend)
 207 afterdepend:
 208 .endif
 209 .endif
 210
 211 .if !target(cleandepend)
 212 cleandepend:
 213 .if defined(SRCS)
 214 .if ${CTAGS:T} == "ctags"
 215         rm -f ${DEPENDFILE} ${_DEPENDFILES} tags
 216 .elif ${CTAGS:T} == "gtags"
 217         rm -f ${DEPENDFILE} ${_DEPENDFILES} GPATH GRTAGS GSYMS GTAGS
 218 .if defined(HTML)
 219         rm -rf HTML
 220 .endif
 221 .endif
 222 .endif
 223 .endif
 224
 225 .if !target(checkdpadd) && (defined(DPADD) || defined(LDADD))
 226 checkdpadd:
 227 .if ${OBJFORMAT} != aout
 228         @ldadd=`echo \`for lib in ${DPADD} ; do \
 229                 echo $$lib | sed 's;^/usr/lib/lib\(.*\)\.a;-l\1;' ; \
 230         done \`` ; \
 231         ldadd1=`echo ${LDADD}` ; \
 232         if [ "$$ldadd" != "$$ldadd1" ] ; then \
 233                 echo ${.CURDIR} ; \
 234                 echo "DPADD -> $$ldadd" ; \
 235                 echo "LDADD -> $$ldadd1" ; \
 236         fi
 237 .else
 238         @dpadd=`echo \`ld -Bstatic -f ${LDADD}\`` ; \
 239         if [ "$$dpadd" != "${DPADD}" ] ; then \
 240                 echo ${.CURDIR} ; \
 241                 echo "LDADD -> $$dpadd" ; \
 242                 echo "DPADD =  ${DPADD}" ; \
 243         fi
 244 .endif
 245 .endif
 246
 247 .if defined(INCS) && make(depend)
 248 _dependincs: buildincludes .WAIT installincludes
 249 .else
 250 _dependincs:
 251 .endif
 252
 253 .ORDER: beforedepend _dependincs ${DEPENDFILE} afterdepend