3c9d896571
-finstrument-functions instead of -mprofiler-epilogue. The former works essentially the same as the latter but has a higher overhead (about 22 more bytes per function for passing unused args to the profiling functions). Removed all traces of the IDENT Makefile variable, which had been reduced to just a place for holding profiling's contribution to CFLAGS (the IDENT that gives the kernel identity was renamed to KERN_IDENT).
244 lines
6.7 KiB
Makefile
244 lines
6.7 KiB
Makefile
# Part of unified Makefile for building kenrels. This includes all
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# the definitions that need to be included after all the % directives,
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# except %RULES and things 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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#
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# $FreeBSD$
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#
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# XXX why are only some phony targets marked phony?
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.PHONY: all modules
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clean: kernel-clean
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cleandepend: kernel-cleandepend
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cleandir:
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clobber: kernel-clobber
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depend: kernel-depend
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install: kernel-install
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reinstall: kernel-reinstall
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tags: kernel-tags
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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:
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cd ${.CURDIR}; ${MAKE} -DINSTALL_DEBUG ${.TARGET:R}
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.endif
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${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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${SYSTEM_LD_TAIL}
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.if !exists(.depend)
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${SYSTEM_OBJS}: vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/}
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.endif
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.for mfile in ${MFILES}
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${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} ${KERNEL_KO} linterrs makelinks \
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setdef[01].c setdefs.h tags \
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vers.c vnode_if.c vnode_if.h \
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${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
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${CLEAN}
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kernel-clobber:
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find . -type f ! -name version -delete
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lint: ${CFILES}
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${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC}
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locore.o: $S/$M/$M/locore.s assym.s
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${NORMAL_S}
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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} ${FMT} ${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} OBJFORMAT=elf sh $S/kern/genassym.sh genassym.o > ${.TARGET}
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# XXX used to force -elf after CFLAGS to work around breakage of cc -aout
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# (genassym.sh makes some assumptions and cc stopped satisfying them).
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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, 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 ${BEFORE_DEPEND} \
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${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \
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${SYSTEM_SFILES} ${MFILES:T:S/.m$/.h/}
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if [ -f .olddep ]; then mv .olddep .depend; fi
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rm -f .newdep
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${MAKE} -V CFILES -V SYSTEM_CFILES -V GEN_CFILES | xargs \
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env MKDEP_CPP="${CC} -E" CC="${CC}" mkdep -a -f .newdep ${CFLAGS}
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${MAKE} -V SFILES -V SYSTEM_SFILES | xargs \
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env MKDEP_CPP="${CC} -E" 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 $S/conf/systags.sh
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rm -f tags1
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sed -e 's, ../, ,' tags > tags1
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kernel-install:
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.if exists(${DESTDIR}/boot)
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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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.endif
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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 [ "$$thiskernel" = ${DESTDIR}${KODIR}.old/${KERNEL_KO} ] ; then \
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chflags -R noschg ${DESTDIR}${KODIR} ; \
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rm -rf ${DESTDIR}${KODIR} ; \
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else \
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if [ -d ${DESTDIR}${KODIR}.old ] ; then \
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chflags -R noschg ${DESTDIR}${KODIR}.old ; \
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rm -rf ${DESTDIR}${KODIR}.old ; \
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fi ; \
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mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \
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if [ "$$thiskernel" = ${DESTDIR}${KODIR}/${KERNEL_KO} ] ; then \
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sysctl kern.bootfile=${DESTDIR}${KODIR}.old/${KERNEL_KO} ; \
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fi; \
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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 -c -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR}
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.else
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install -c -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 -c -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR}
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.else
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install -c -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
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.endif
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.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
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all: modules
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clean: modules-clean
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cleandepend: modules-cleandepend
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cleandir: modules-cleandir
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clobber: modules-clobber
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depend: modules-depend
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install: modules-install
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.ORDER: kernel-install modules-install
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reinstall: modules-reinstall
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tags: modules-tags
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.endif
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modules:
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@mkdir -p ${.OBJDIR}/modules
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cd $S/modules ; ${MKMODULESENV} ${MAKE} obj ; \
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${MKMODULESENV} ${MAKE} all
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modules-clean:
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cd $S/modules ; ${MKMODULESENV} ${MAKE} clean
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modules-cleandepend:
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cd $S/modules ; ${MKMODULESENV} ${MAKE} cleandepend
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modules-cleandir:
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cd $S/modules ; ${MKMODULESENV} ${MAKE} cleandir
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modules-clobber: modules-clean
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rm -rf ${MKMODULESENV}
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modules-depend:
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@mkdir -p ${.OBJDIR}/modules
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cd $S/modules ; ${MKMODULESENV} ${MAKE} obj ; \
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${MKMODULESENV} ${MAKE} depend
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modules-tags:
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cd $S/modules ; ${MKMODULESENV} ${MAKE} tags
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modules-install modules-reinstall:
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cd $S/modules ; ${MKMODULESENV} ${MAKE} install
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modules-tags:
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cd $S/modules ; env ${MKMODULESENV} ${MAKE} tags
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config.o:
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${NORMAL_C}
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env.o: env.c
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${NORMAL_C}
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hints.o: hints.c
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${NORMAL_C}
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vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
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sh $S/conf/newvers.sh ${KERN_IDENT}
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# XXX strictly, everything depends on Makefile because changes to ${PROF}
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# only appear there, but we don't handle that.
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vers.o:
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${NORMAL_C}
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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 $S/kern/vnode_if.src -h
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vnode_if.o:
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${NORMAL_C}
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.include <bsd.kern.mk>
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