The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/conf/kern.post.mk

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    1 # $FreeBSD: head/sys/conf/kern.post.mk 340191 2018-11-06 17:32:07Z andrew $
    2 
    3 # Part of a unified Makefile for building kernels.  This part includes all
    4 # the definitions that need to be after all the % directives except %RULES
    5 # and ones that act like they are part of %RULES.
    6 #
    7 # Most make variables should not be defined in this file.  Instead, they
    8 # should be defined in the kern.pre.mk so that port makefiles can
    9 # override or augment them.
   10 
   11 # In case the config had a makeoptions DESTDIR...
   12 .if defined(DESTDIR)
   13 MKMODULESENV+=  DESTDIR="${DESTDIR}"
   14 .endif
   15 SYSDIR?= ${S:C;^[^/];${.CURDIR}/&;:tA}
   16 MKMODULESENV+=  KERNBUILDDIR="${.CURDIR}" SYSDIR="${SYSDIR}"
   17 MKMODULESENV+=  MODULE_TIED=yes
   18 
   19 .if defined(CONF_CFLAGS)
   20 MKMODULESENV+=  CONF_CFLAGS="${CONF_CFLAGS}"
   21 .endif
   22 
   23 .if defined(WITH_CTF)
   24 MKMODULESENV+=  WITH_CTF="${WITH_CTF}"
   25 .endif
   26 
   27 .if defined(WITH_EXTRA_TCP_STACKS)
   28 MKMODULESENV+=  WITH_EXTRA_TCP_STACKS="${WITH_EXTRA_TCP_STACKS}"
   29 .endif
   30 
   31 .if defined(SAN_CFLAGS)
   32 MKMODULESENV+=  SAN_CFLAGS="${SAN_CFLAGS}"
   33 .endif
   34 
   35 # Allow overriding the kernel debug directory, so kernel and user debug may be
   36 # installed in different directories. Setting it to "" restores the historical
   37 # behavior of installing debug files in the kernel directory.
   38 KERN_DEBUGDIR?= ${DEBUGDIR}
   39 
   40 .MAIN: all
   41 
   42 .if !defined(NO_MODULES)
   43 # Default prefix used for modules installed from ports
   44 LOCALBASE?=     /usr/local
   45 
   46 LOCAL_MODULES_DIR?= ${LOCALBASE}/sys/modules
   47 
   48 # Default to installing all modules installed by ports unless overridden
   49 # by the user.
   50 .if !defined(LOCAL_MODULES) && exists($LOCAL_MODULES_DIR)
   51 LOCAL_MODULES!= ls ${LOCAL_MODULES_DIR}
   52 .endif
   53 .endif
   54 
   55 .for target in all clean cleandepend cleandir clobber depend install \
   56     ${_obj} reinstall tags
   57 ${target}: kernel-${target}
   58 .if !defined(NO_MODULES)
   59 ${target}: modules-${target}
   60 modules-${target}:
   61 .if !defined(MODULES_WITH_WORLD) && exists($S/modules)
   62         cd $S/modules; ${MKMODULESENV} ${MAKE} \
   63             ${target:S/^reinstall$/install/:S/^clobber$/cleandir/}
   64 .endif
   65 .for module in ${LOCAL_MODULES}
   66         cd ${LOCAL_MODULES_DIR}/${module}; ${MKMODULESENV} ${MAKE} \
   67             ${target:S/^reinstall$/install/:S/^clobber$/cleandir/}
   68 .endfor
   69 .endif
   70 .endfor
   71 
   72 # Handle ports (as defined by the user) that build kernel modules
   73 .if !defined(NO_MODULES) && defined(PORTS_MODULES)
   74 #
   75 # The ports tree needs some environment variables defined to match the new kernel
   76 #
   77 # SRC_BASE is how the ports tree refers to the location of the base source files
   78 .if !defined(SRC_BASE)
   79 SRC_BASE=       ${SYSDIR:H:tA}
   80 .endif
   81 # OSVERSION is used by some ports to determine build options
   82 .if !defined(OSRELDATE)
   83 # Definition copied from src/Makefile.inc1
   84 OSRELDATE!=     awk '/^\#define[[:space:]]*__FreeBSD_version/ { print $$3 }' \
   85                     ${MAKEOBJDIRPREFIX}${SRC_BASE}/include/osreldate.h
   86 .endif
   87 # Keep the related ports builds in the obj directory so that they are only rebuilt once per kernel build
   88 #
   89 # Ports search for some dependencies in PATH, so add the location of the
   90 # installed files
   91 WRKDIRPREFIX?=  ${.OBJDIR}
   92 PORTSMODULESENV=\
   93         env \
   94         -u CC \
   95         -u CXX \
   96         -u CPP \
   97         -u MAKESYSPATH \
   98         -u MK_AUTO_OBJ \
   99         -u MAKEOBJDIR \
  100         MAKEFLAGS="${MAKEFLAGS:M*:tW:S/^-m /-m_/g:S/ -m / -m_/g:tw:N-m_*:NMK_AUTO_OBJ=*}" \
  101         SYSDIR=${SYSDIR} \
  102         PATH=${PATH}:${LOCALBASE}/bin:${LOCALBASE}/sbin \
  103         SRC_BASE=${SRC_BASE} \
  104         OSVERSION=${OSRELDATE} \
  105         WRKDIRPREFIX=${WRKDIRPREFIX}
  106 
  107 # The WRKDIR needs to be cleaned before building, and trying to change the target
  108 # with a :C pattern below results in install -> instclean
  109 all:
  110 .for __i in ${PORTS_MODULES}
  111         @${ECHO} "===> Ports module ${__i} (all)"
  112         cd $${PORTSDIR:-/usr/ports}/${__i}; ${PORTSMODULESENV} ${MAKE} -B clean build
  113 .endfor
  114 
  115 .for __target in install reinstall clean
  116 ${__target}: ports-${__target}
  117 ports-${__target}:
  118 .for __i in ${PORTS_MODULES}
  119         @${ECHO} "===> Ports module ${__i} (${__target})"
  120         cd $${PORTSDIR:-/usr/ports}/${__i}; ${PORTSMODULESENV} ${MAKE} -B ${__target:C/(re)?install/deinstall reinstall/}
  121 .endfor
  122 .endfor
  123 .endif
  124 
  125 .ORDER: kernel-install modules-install
  126 
  127 beforebuild: .PHONY
  128 kernel-all: beforebuild .WAIT ${KERNEL_KO} ${KERNEL_EXTRA}
  129 
  130 kernel-cleandir: kernel-clean kernel-cleandepend
  131 
  132 kernel-clobber:
  133         find . -maxdepth 1 ! -type d ! -name version -delete
  134 
  135 kernel-obj:
  136 
  137 .if !defined(NO_MODULES)
  138 modules: modules-all
  139 
  140 .if !defined(NO_MODULES_OBJ)
  141 modules-all modules-depend: modules-obj
  142 .endif
  143 .endif
  144 
  145 .if !defined(DEBUG)
  146 FULLKERNEL=     ${KERNEL_KO}
  147 .else
  148 FULLKERNEL=     ${KERNEL_KO}.full
  149 ${KERNEL_KO}: ${FULLKERNEL} ${KERNEL_KO}.debug
  150         ${OBJCOPY} --strip-debug --add-gnu-debuglink=${KERNEL_KO}.debug \
  151             ${FULLKERNEL} ${.TARGET}
  152 ${KERNEL_KO}.debug: ${FULLKERNEL}
  153         ${OBJCOPY} --only-keep-debug ${FULLKERNEL} ${.TARGET}
  154 install.debug reinstall.debug: gdbinit
  155         cd ${.CURDIR}; ${MAKE} ${.TARGET:R}
  156 
  157 # Install gdbinit files for kernel debugging.
  158 gdbinit:
  159         grep -v '# XXX' ${S}/../tools/debugscripts/dot.gdbinit | \
  160             sed "s:MODPATH:${.OBJDIR}/modules:" > .gdbinit
  161         cp ${S}/../tools/debugscripts/gdbinit.kernel ${.CURDIR}
  162 .if exists(${S}/../tools/debugscripts/gdbinit.${MACHINE_CPUARCH})
  163         cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_CPUARCH} \
  164             ${.CURDIR}/gdbinit.machine
  165 .endif
  166 .endif
  167 
  168 ${FULLKERNEL}: ${SYSTEM_DEP} vers.o
  169         @rm -f ${.TARGET}
  170         @echo linking ${.TARGET}
  171         ${SYSTEM_LD}
  172 .if !empty(MD_ROOT_SIZE_CONFIGURED) && defined(MFS_IMAGE)
  173         @sh ${S}/tools/embed_mfs.sh ${.TARGET} ${MFS_IMAGE}
  174 .endif
  175 .if ${MK_CTF} != "no"
  176         @echo ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ...
  177         @${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${SYSTEM_OBJS} vers.o
  178 .endif
  179 .if !defined(DEBUG)
  180         ${OBJCOPY} --strip-debug ${.TARGET}
  181 .endif
  182         ${SYSTEM_LD_TAIL}
  183 
  184 OBJS_DEPEND_GUESS+=     offset.inc assym.inc vnode_if.h ${BEFORE_DEPEND:M*.h} \
  185                         ${MFILES:T:S/.m$/.h/}
  186 
  187 .for mfile in ${MFILES}
  188 # XXX the low quality .m.o rules gnerated by config are normally used
  189 # instead of the .m.c rules here.
  190 ${mfile:T:S/.m$/.c/}: ${mfile}
  191         ${AWK} -f $S/tools/makeobjops.awk ${mfile} -c
  192 ${mfile:T:S/.m$/.h/}: ${mfile}
  193         ${AWK} -f $S/tools/makeobjops.awk ${mfile} -h
  194 .endfor
  195 
  196 kernel-clean:
  197         rm -f *.o *.so *.pico *.ko *.s eddep errs \
  198             ${FULLKERNEL} ${KERNEL_KO} ${KERNEL_KO}.debug \
  199             tags vers.c \
  200             vnode_if.c vnode_if.h vnode_if_newproto.h vnode_if_typedef.h \
  201             ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
  202             ${CLEAN}
  203 
  204 # This is a hack.  BFD "optimizes" away dynamic mode if there are no
  205 # dynamic references.  We could probably do a '-Bforcedynamic' mode like
  206 # in the a.out ld.  For now, this works.
  207 HACK_EXTRA_FLAGS?= -shared
  208 hack.pico: Makefile
  209         :> hack.c
  210         ${CC} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.pico
  211         rm -f hack.c
  212 
  213 offset.inc: $S/kern/genoffset.sh genoffset.o
  214         NM='${NM}' NMFLAGS='${NMFLAGS}' sh $S/kern/genoffset.sh genoffset.o > ${.TARGET}
  215 
  216 genoffset.o: $S/kern/genoffset.c
  217         ${CC} -c ${CFLAGS:N-flto:N-fno-common} $S/kern/genoffset.c
  218 
  219 # genoffset_test.o is not actually used for anything - the point of compiling it
  220 # is to exercise the CTASSERT that checks that the offsets in the offset.inc
  221 # _lite struct(s) match those in the original(s). 
  222 genoffset_test.o: $S/kern/genoffset.c offset.inc
  223         ${CC} -c ${CFLAGS:N-flto:N-fno-common} -DOFFSET_TEST \
  224             $S/kern/genoffset.c -o ${.TARGET}
  225 
  226 assym.inc: $S/kern/genassym.sh genassym.o genoffset_test.o
  227         NM='${NM}' NMFLAGS='${NMFLAGS}' sh $S/kern/genassym.sh genassym.o > ${.TARGET}
  228 
  229 genassym.o: $S/$M/$M/genassym.c  offset.inc
  230         ${CC} -c ${CFLAGS:N-flto:N-fno-common} $S/$M/$M/genassym.c
  231 
  232 OBJS_DEPEND_GUESS+= opt_global.h
  233 genoffset.o genassym.o vers.o: opt_global.h
  234 
  235 .if !empty(.MAKE.MODE:Unormal:Mmeta) && empty(.MAKE.MODE:Unormal:Mnofilemon)
  236 _meta_filemon=  1
  237 .endif
  238 # Skip reading .depend when not needed to speed up tree-walks and simple
  239 # lookups.  For install, only do this if no other targets are specified.
  240 # Also skip generating or including .depend.* files if in meta+filemon mode
  241 # since it will track dependencies itself.  OBJS_DEPEND_GUESS is still used
  242 # for _meta_filemon but not for _SKIP_DEPEND.
  243 .if !defined(NO_SKIP_DEPEND) && \
  244     ((!empty(.MAKEFLAGS:M-V) && empty(.MAKEFLAGS:M*DEP*)) || \
  245     ${.TARGETS:M*obj} == ${.TARGETS} || \
  246     ${.TARGETS:M*clean*} == ${.TARGETS} || \
  247     ${.TARGETS:M*install*} == ${.TARGETS})
  248 _SKIP_DEPEND=   1
  249 .endif
  250 .if defined(_SKIP_DEPEND) || defined(_meta_filemon)
  251 .MAKE.DEPENDFILE=       /dev/null
  252 .endif
  253 
  254 kernel-depend: .depend
  255 SRCS=   assym.inc offset.inc vnode_if.h ${BEFORE_DEPEND} ${CFILES} \
  256         ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \
  257         ${MFILES:T:S/.m$/.h/}
  258 DEPENDOBJS+=    ${SYSTEM_OBJS} genassym.o genoffset.o genoffset_test.o
  259 DEPENDOBJS+=    ${CLEAN:M*.o}
  260 DEPENDFILES=    ${DEPENDOBJS:O:u:C/^/.depend./}
  261 .if ${MAKE_VERSION} < 20160220
  262 DEPEND_MP?=     -MP
  263 .endif
  264 .if defined(_SKIP_DEPEND)
  265 # Don't bother reading any .meta files
  266 ${DEPENDOBJS}:  .NOMETA
  267 .depend:        .NOMETA
  268 # Unset these to avoid looping/statting on them later.
  269 .undef DEPENDOBJS
  270 .undef DEPENDFILES
  271 .endif  # defined(_SKIP_DEPEND)
  272 DEPEND_CFLAGS+= -MD ${DEPEND_MP} -MF.depend.${.TARGET}
  273 DEPEND_CFLAGS+= -MT${.TARGET}
  274 .if !defined(_meta_filemon)
  275 .if !empty(DEPEND_CFLAGS)
  276 # Only add in DEPEND_CFLAGS for CFLAGS on files we expect from DEPENDOBJS
  277 # as those are the only ones we will include.
  278 DEPEND_CFLAGS_CONDITION= "${DEPENDOBJS:M${.TARGET}}" != ""
  279 CFLAGS+=        ${${DEPEND_CFLAGS_CONDITION}:?${DEPEND_CFLAGS}:}
  280 .endif
  281 .for __depend_obj in ${DEPENDFILES}
  282 .if ${MAKE_VERSION} < 20160220
  283 .sinclude "${.OBJDIR}/${__depend_obj}"
  284 .else
  285 .dinclude "${.OBJDIR}/${__depend_obj}"
  286 .endif
  287 .endfor
  288 .endif  # !defined(_meta_filemon)
  289 
  290 # Always run 'make depend' to generate dependencies early and to avoid the
  291 # need for manually running it.  For the kernel this is mostly a NOP since
  292 # all dependencies are correctly added or accounted for.  This is mostly to
  293 # ensure downstream uses of kernel-depend are handled.
  294 beforebuild: kernel-depend
  295 
  296 # Guess some dependencies for when no ${DEPENDFILE}.OBJ is generated yet.
  297 # For meta+filemon the .meta file is checked for since it is the dependency
  298 # file used.
  299 .for __obj in ${DEPENDOBJS:O:u}
  300 .if defined(_meta_filemon)
  301 _depfile=       ${.OBJDIR}/${__obj}.meta
  302 .else
  303 _depfile=       ${.OBJDIR}/.depend.${__obj}
  304 .endif
  305 .if !exists(${_depfile})
  306 .if ${SYSTEM_OBJS:M${__obj}}
  307 ${__obj}: ${OBJS_DEPEND_GUESS}
  308 .endif
  309 ${__obj}: ${OBJS_DEPEND_GUESS.${__obj}}
  310 .elif defined(_meta_filemon)
  311 # For meta mode we still need to know which file to depend on to avoid
  312 # ambiguous suffix transformation rules from .PATH.  Meta mode does not
  313 # use .depend files.  We really only need source files, not headers since
  314 # they are typically in SRCS/beforebuild already.  For target-specific
  315 # guesses do include headers though since they may not be in SRCS.
  316 .if ${SYSTEM_OBJS:M${__obj}}
  317 ${__obj}: ${OBJS_DEPEND_GUESS:N*.h}
  318 .endif
  319 ${__obj}: ${OBJS_DEPEND_GUESS.${__obj}}
  320 .endif  # !exists(${_depfile})
  321 .endfor
  322 
  323 .NOPATH: .depend ${DEPENDFILES}
  324 
  325 .depend: .PRECIOUS ${SRCS}
  326 
  327 _ILINKS= machine
  328 .if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
  329 _ILINKS+= ${MACHINE_CPUARCH}
  330 .endif
  331 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
  332 _ILINKS+= x86
  333 .endif
  334 
  335 # Ensure that the link exists without depending on it when it exists.
  336 .for _link in ${_ILINKS}
  337 .if !exists(${.OBJDIR}/${_link})
  338 ${SRCS} ${CLEAN:M*.o}: ${_link}
  339 .endif
  340 .endfor
  341 
  342 ${_ILINKS}:
  343         @case ${.TARGET} in \
  344         machine) \
  345                 path=${S}/${MACHINE}/include ;; \
  346         *) \
  347                 path=${S}/${.TARGET}/include ;; \
  348         esac ; \
  349         ${ECHO} ${.TARGET} "->" $$path ; \
  350         ln -fns $$path ${.TARGET}
  351 
  352 # .depend needs include links so we remove them only together.
  353 kernel-cleandepend: .PHONY
  354         rm -f .depend .depend.* ${_ILINKS}
  355 
  356 kernel-tags:
  357         @[ -f .depend ] || { echo "you must make depend first"; exit 1; }
  358         sh $S/conf/systags.sh
  359 
  360 kernel-install: .PHONY
  361         @if [ ! -f ${KERNEL_KO} ] ; then \
  362                 echo "You must build a kernel first." ; \
  363                 exit 1 ; \
  364         fi
  365 .if exists(${DESTDIR}${KODIR})
  366         -thiskernel=`sysctl -n kern.bootfile` ; \
  367         if [ ! "`dirname "$$thiskernel"`" -ef ${DESTDIR}${KODIR} ] ; then \
  368                 chflags -R noschg ${DESTDIR}${KODIR} ; \
  369                 rm -rf ${DESTDIR}${KODIR} ; \
  370                 rm -rf ${DESTDIR}${KERN_DEBUGDIR}${KODIR} ; \
  371         else \
  372                 if [ -d ${DESTDIR}${KODIR}.old ] ; then \
  373                         chflags -R noschg ${DESTDIR}${KODIR}.old ; \
  374                         rm -rf ${DESTDIR}${KODIR}.old ; \
  375                 fi ; \
  376                 mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \
  377                 if [ -n "${KERN_DEBUGDIR}" -a \
  378                      -d ${DESTDIR}${KERN_DEBUGDIR}${KODIR} ]; then \
  379                         rm -rf ${DESTDIR}${KERN_DEBUGDIR}${KODIR}.old ; \
  380                         mv ${DESTDIR}${KERN_DEBUGDIR}${KODIR} ${DESTDIR}${KERN_DEBUGDIR}${KODIR}.old ; \
  381                 fi ; \
  382                 sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \
  383         fi
  384 .endif
  385         mkdir -p ${DESTDIR}${KODIR}
  386         ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR}/
  387 .if defined(DEBUG) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no"
  388         mkdir -p ${DESTDIR}${KERN_DEBUGDIR}${KODIR}
  389         ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.debug ${DESTDIR}${KERN_DEBUGDIR}${KODIR}/
  390 .endif
  391 .if defined(KERNEL_EXTRA_INSTALL)
  392         ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_EXTRA_INSTALL} ${DESTDIR}${KODIR}/
  393 .endif
  394 
  395 
  396 
  397 kernel-reinstall:
  398         @-chflags -R noschg ${DESTDIR}${KODIR}
  399         ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR}/
  400 .if defined(DEBUG) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no"
  401         ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.debug ${DESTDIR}${KERN_DEBUGDIR}${KODIR}/
  402 .endif
  403 
  404 config.o env.o hints.o vers.o vnode_if.o:
  405         ${NORMAL_C}
  406         ${NORMAL_CTFCONVERT}
  407 
  408 .if ${MK_REPRODUCIBLE_BUILD} != "no"
  409 REPRO_FLAG="-R"
  410 .endif
  411 vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
  412         MAKE="${MAKE}" sh $S/conf/newvers.sh ${REPRO_FLAG} ${KERN_IDENT}
  413 
  414 vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src
  415         ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c
  416 
  417 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: $S/tools/vnode_if.awk \
  418     $S/kern/vnode_if.src
  419 vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
  420         ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h
  421 vnode_if_newproto.h:
  422         ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -p
  423 vnode_if_typedef.h:
  424         ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -q
  425 
  426 .if ${MFS_IMAGE:Uno} != "no"
  427 .if empty(MD_ROOT_SIZE_CONFIGURED)
  428 # Generate an object file from the file system image to embed in the kernel
  429 # via linking. Make sure the contents are in the mfs section and rename the
  430 # start/end/size variables to __start_mfs, __stop_mfs, and mfs_size,
  431 # respectively.
  432 embedfs_${MFS_IMAGE:T:R}.o: ${MFS_IMAGE}
  433         ${OBJCOPY} --input-target binary \
  434             --output-target ${EMBEDFS_FORMAT.${MACHINE_ARCH}} \
  435             --binary-architecture ${EMBEDFS_ARCH.${MACHINE_ARCH}} \
  436             ${MFS_IMAGE} ${.TARGET}
  437         ${OBJCOPY} \
  438             --rename-section .data=mfs,contents,alloc,load,readonly,data \
  439             --redefine-sym \
  440                 _binary_${MFS_IMAGE:C,[^[:alnum:]],_,g}_size=__mfs_root_size \
  441             --redefine-sym \
  442                 _binary_${MFS_IMAGE:C,[^[:alnum:]],_,g}_start=mfs_root \
  443             --redefine-sym \
  444                 _binary_${MFS_IMAGE:C,[^[:alnum:]],_,g}_end=mfs_root_end \
  445             ${.TARGET}
  446 .endif
  447 .endif
  448 
  449 # XXX strictly, everything depends on Makefile because changes to ${PROF}
  450 # only appear there, but we don't handle that.
  451 
  452 .include "kern.mk"

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