59f305606c
initializations but we did have lofty goals and big ideals. Adjust to more contemporary circumstances and gain type checking. Replace the entire vop_t frobbing thing with properly typed structures. The only casualty is that we can not add a new VOP_ method with a loadable module. History has not given us reason to belive this would ever be feasible in the the first place. Eliminate in toto VOCALL(), vop_t, VNODEOP_SET() etc. Give coda correct prototypes and function definitions for all vop_()s. Generate a bit more data from the vnode_if.src file: a struct vop_vector and protype typedefs for all vop methods. Add a new vop_bypass() and make vop_default be a pointer to another struct vop_vector. Remove a lot of vfs_init since vop_vector is ready to use from the compiler. Cast various vop_mumble() to void * with uppercase name, for instance VOP_PANIC, VOP_NULL etc. Implement VCALL() by making vdesc_offset the offsetof() the relevant function pointer in vop_vector. This is disgusting but since the code is generated by a script comparatively safe. The alternative for nullfs etc. would be much worse. Fix up all vnode method vectors to remove casts so they become typesafe. (The bulk of this is generated by scripts)
251 lines
7.3 KiB
Makefile
251 lines
7.3 KiB
Makefile
# $FreeBSD$
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# Part of a unified Makefile for building kernels. This part includes all
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# the definitions that need to be after all the % directives except %RULES
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# and ones that act like they are part of %RULES.
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#
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# Most make variables should not be defined in this file. Instead, they
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# should be defined in the kern.pre.mk so that port makefiles can
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# override or augment them.
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# In case the config had a makeoptions DESTDIR...
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.if defined(DESTDIR)
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MKMODULESENV+= DESTDIR="${DESTDIR}"
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.endif
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MKMODULESENV+= KERNBUILDDIR="${.CURDIR}"
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.MAIN: all
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.for target in all clean cleandepend cleandir clobber depend install \
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obj reinstall tags
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${target}: kernel-${target}
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.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
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${target}: modules-${target}
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modules-${target}:
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cd $S/modules; ${MKMODULESENV} ${MAKE} \
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${target:S/^reinstall$/install/:S/^clobber$/cleandir/}
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.endif
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.endfor
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# Handle out of tree ports
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.if defined(PORTS_MODULES)
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.if defined(SYSDIR)
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PORTSMODULESENV=SYSDIR=${SYSDIR}
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.endif
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.for target in all install clean
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${target}: ports-${target}
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ports-${target}:
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.for __i in ${PORTS_MODULES}
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cd $${PORTSDIR:-/usr/ports/}${__i}; ${PORTSMODULESENV} ${MAKE} -B ${target}
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.endfor
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.endfor
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.endif
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.ORDER: kernel-install modules-install
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kernel-all: ${KERNEL_KO}
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kernel-cleandir: kernel-clean
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kernel-clobber:
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find . -maxdepth 1 ! -type d ! -name version -delete
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kernel-obj:
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.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
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modules: modules-all
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.if !defined(NO_MODULES_OBJ)
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modules-all modules-depend: modules-obj
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.endif
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.endif
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.if !defined(DEBUG)
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FULLKERNEL= ${KERNEL_KO}
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.else
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FULLKERNEL= ${KERNEL_KO}.debug
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${KERNEL_KO}: ${FULLKERNEL}
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${OBJCOPY} --strip-debug ${FULLKERNEL} ${KERNEL_KO}
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install.debug reinstall.debug: gdbinit
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cd ${.CURDIR}; ${MAKE} -DINSTALL_DEBUG ${.TARGET:R}
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# Install gdbinit files for kernel debugging.
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gdbinit:
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grep -v '# XXX' ${S}/../tools/debugscripts/dot.gdbinit | \
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sed "s:MODPATH:${.OBJDIR}/modules:" > .gdbinit
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cp ${S}/../tools/debugscripts/gdbinit.kernel ${.CURDIR}
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.if exists(${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH})
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cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH} \
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${.CURDIR}/gdbinit.machine
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.endif
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.endif
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${FULLKERNEL}: ${SYSTEM_DEP} vers.o
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@rm -f ${.TARGET}
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@echo linking ${.TARGET}
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${SYSTEM_LD}
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.if !defined(DEBUG)
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${OBJCOPY} --strip-debug ${.TARGET}
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.endif
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${SYSTEM_LD_TAIL}
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.if !exists(${.OBJDIR}/.depend)
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${SYSTEM_OBJS}: assym.s vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/}
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.endif
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LNFILES= ${CFILES:T:S/.c$/.ln/}
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.for mfile in ${MFILES}
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# XXX the low quality .m.o rules gnerated by config are normally used
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# instead of the .m.c rules here.
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${mfile:T:S/.m$/.c/}: ${mfile}
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${AWK} -f $S/tools/makeobjops.awk ${mfile} -c
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${mfile:T:S/.m$/.h/}: ${mfile}
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${AWK} -f $S/tools/makeobjops.awk ${mfile} -h
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.endfor
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kernel-clean:
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rm -f *.o *.so *.So *.ko *.s eddep errs \
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${FULLKERNEL} ${KERNEL_KO} linterrs makelinks tags \
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vers.c vnode_if.c vnode_if.h majors.c \
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${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
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${CLEAN}
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lint: ${LNFILES}
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${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} 2>&1 | \
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tee -a linterrs
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# This is a hack. BFD "optimizes" away dynamic mode if there are no
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# dynamic references. We could probably do a '-Bforcedynamic' mode like
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# in the a.out ld. For now, this works.
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HACK_EXTRA_FLAGS?= -shared
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hack.So: Makefile
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touch hack.c
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${CC} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So
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rm -f hack.c
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# This rule stops ./assym.s in .depend from causing problems.
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./assym.s: assym.s
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assym.s: $S/kern/genassym.sh genassym.o
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NM='${NM}' sh $S/kern/genassym.sh genassym.o > ${.TARGET}
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genassym.o: $S/$M/$M/genassym.c
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${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c
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${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
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kernel-depend:
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.if defined(EXTRA_KERNELDEP)
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${EXTRA_KERNELDEP}
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.endif
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rm -f .olddep
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if [ -f .depend ]; then mv .depend .olddep; fi
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${MAKE} _kernel-depend
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# The argument list can be very long, so use make -V and xargs to
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# pass it to mkdep.
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_kernel-depend: assym.s vnode_if.h ${BEFORE_DEPEND} ${CFILES} \
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${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \
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${MFILES:T:S/.m$/.h/}
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if [ -f .olddep ]; then mv .olddep .depend; fi
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rm -f .newdep
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${MAKE} -V CFILES -V SYSTEM_CFILES -V GEN_CFILES | \
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MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS}
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${MAKE} -V SFILES | \
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MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS}
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rm -f .depend
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mv .newdep .depend
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kernel-cleandepend:
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rm -f .depend
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links:
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egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
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sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
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${MAKE} -V CFILES | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
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sort -u | comm -23 - dontlink | \
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sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
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sh makelinks; rm -f dontlink
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kernel-tags:
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@[ -f .depend ] || { echo "you must make depend first"; exit 1; }
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sh $S/conf/systags.sh
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rm -f tags1
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sed -e 's, ../, ,' tags > tags1
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.if ${MACHINE_ARCH} != "ia64"
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.if exists(${DESTDIR}/boot)
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kernel-install-check:
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@if [ ! -f ${DESTDIR}/boot/device.hints ] ; then \
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echo "You must set up a ${DESTDIR}/boot/device.hints file first." ; \
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exit 1 ; \
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fi
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@if [ x"`grep device.hints ${DESTDIR}/boot/defaults/loader.conf ${DESTDIR}/boot/loader.conf`" = "x" ]; then \
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echo "You must activate /boot/device.hints in loader.conf." ; \
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exit 1 ; \
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fi
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kernel-install: kernel-install-check
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.endif
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.endif
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kernel-install:
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@if [ ! -f ${FULLKERNEL} ] ; then \
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echo "You must build a kernel first." ; \
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exit 1 ; \
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fi
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.if exists(${DESTDIR}${KODIR})
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-thiskernel=`sysctl -n kern.bootfile` ; \
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if [ "`dirname "$$thiskernel"`" != ${DESTDIR}${KODIR} ] ; then \
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chflags -R noschg ${DESTDIR}${KODIR} ; \
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rm -rf ${DESTDIR}${KODIR} ; \
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else \
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if [ -d ${DESTDIR}${KODIR}.old ] ; then \
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chflags -R noschg ${DESTDIR}${KODIR}.old ; \
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rm -rf ${DESTDIR}${KODIR}.old ; \
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fi ; \
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mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \
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sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \
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fi
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.endif
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mkdir -p ${DESTDIR}${KODIR}
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.if defined(DEBUG) && defined(INSTALL_DEBUG)
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${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR}
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.else
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${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
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.endif
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kernel-reinstall:
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@-chflags -R noschg ${DESTDIR}${KODIR}
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.if defined(DEBUG) && defined(INSTALL_DEBUG)
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${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR}
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.else
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${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
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.endif
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config.o env.o hints.o majors.o vers.o vnode_if.o:
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${NORMAL_C}
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config.ln env.ln hints.ln majors.ln vers.ln vnode_if.ln:
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${NORMAL_LINT}
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majors.c: $S/conf/majors $S/conf/majors.awk
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${AWK} -f $S/conf/majors.awk $S/conf/majors > ${.TARGET}
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vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
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MAKE=${MAKE} sh $S/conf/newvers.sh ${KERN_IDENT}
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vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src
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${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c
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vnode_if.h: $S/tools/vnode_if.awk $S/kern/vnode_if.src
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${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h
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${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -p
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${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -q
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# XXX strictly, everything depends on Makefile because changes to ${PROF}
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# only appear there, but we don't handle that.
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.include "kern.mk"
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