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252 lines
6.3 KiB
Makefile
252 lines
6.3 KiB
Makefile
# Makefile.i386 -- with config changes.
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# Copyright 1990 W. Jolitz
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# from: @(#)Makefile.i386 7.1 5/10/91
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# $FreeBSD$
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#
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# Makefile for FreeBSD
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#
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# This makefile is constructed from a machine description:
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# config machineid
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# Most changes should be made in the machine description
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# /sys/i386/conf/``machineid''
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# after which you should do
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# config machineid
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# Generic makefile changes should be made in
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# /sys/i386/conf/Makefile.i386
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# after which config should be rerun for all machines.
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#
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# Which version of config(8) is required.
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%VERSREQ= 400018
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# Can be overridden by makeoptions or /etc/make.conf
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KERNEL?= kernel
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STD8X16FONT?= iso
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.if !defined(S)
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.if exists(./@/.)
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S= ./@
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.else
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S= ../..
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.endif
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.endif
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M= ${MACHINE_ARCH}
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SIZE?= size
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COPTFLAGS?=-O
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INCLUDES= -nostdinc -I- -I. -I$S
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# This hack is to allow kernel compiles to succeed on machines w/out srcdist
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.if exists($S/../include)
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INCLUDES+= -I$S/../include
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.else
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INCLUDES+= -I/usr/include
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.endif
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COPTS= ${INCLUDES} ${IDENT} -D_KERNEL -include opt_global.h
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CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
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# XXX LOCORE means "don't declare C stuff" not "for locore.s".
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ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
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# Select the correct set of tools. Can't set OBJFORMAT here because it
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# doesn't get exported into the environment, and if it were exported
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# then it might break building of utilities.
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FMT= -elf
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CFLAGS+= ${FMT}
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LOAD_ADDRESS?= C0100000
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DEFINED_PROF= ${PROF}
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.if defined(PROF)
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CFLAGS+= -malign-functions=4
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.if ${PROFLEVEL} >= 2
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IDENT+= -DGPROF4 -DGUPROF
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PROF+= -mprofiler-epilogue
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.endif
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.endif
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# Put configuration-specific C flags last (except for ${PROF}) so that they
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# can override the others.
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CFLAGS+= ${CONF_CFLAGS}
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NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
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NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
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NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${.IMPSRC}
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PROFILE_C= ${CC} -c ${CFLAGS} ${.IMPSRC}
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GEN_CFILES= $S/$M/$M/genassym.c
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# setdef0.c and setdef1.c are intentionally
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# omitted from SYSTEM_CFILES. They include setdefs.h, a header which
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# is generated from all of ${OBJS}. We don't want to have to compile
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# everything just to do a make depend.
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SYSTEM_CFILES= ioconf.c param.c vnode_if.c config.c
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SYSTEM_SFILES= $S/$M/$M/locore.s
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SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
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SYSTEM_OBJS= locore.o setdef0.o vnode_if.o ${OBJS} ioconf.o param.o config.o \
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setdef1.o hack.So
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SYSTEM_LD= @${LD} ${FMT} -Bdynamic -T $S/conf/ldscript.$M \
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-export-dynamic -dynamic-linker /red/herring \
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-o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
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SYSTEM_LD_TAIL= @${SIZE} ${FMT} ${.TARGET} ; chmod 755 ${.TARGET}
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SYSTEM_DEP+= $S/conf/ldscript.$M
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%BEFORE_DEPEND
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%OBJS
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%CFILES
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%SFILES
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%MFILES
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%CLEAN
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all: ${KERNEL}
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.if !defined(DEBUG)
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FULLKERNEL= ${KERNEL}
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.else
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FULLKERNEL= ${KERNEL}.debug
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${KERNEL}: ${FULLKERNEL}
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objcopy --strip-debug ${FULLKERNEL} ${KERNEL}
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.endif
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${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 ${BEFORE_DEPEND:M*.h}
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.endif
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clean:
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rm -f *.o *.so *.So *.ko *.s eddep errs genassym \
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${FULLKERNEL} ${KERNEL} linterrs makelinks param.c \
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setdef[01].c setdefs.h tags \
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vers.c vnode_if.c vnode_if.h ${CLEAN}
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#lint: /tmp param.c
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# @lint -hbxn -DGENERIC -Dvolatile= ${COPTS} \
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# $S/$M/$M/Locore.c ${CFILES} ioconf.c param.c | \
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# grep -v 'struct/union .* never defined' | \
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# grep -v 'possible pointer alignment problem'
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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.So: Makefile
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touch hack.c
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${CC} ${FMT} -shared -nostdlib hack.c -o hack.So
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rm -f hack.c
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.ORDER: setdefs.h setdef0.c setdef1.c
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setdef0.o: setdef0.c setdefs.h
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${NORMAL_C}
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setdef1.o: setdef1.c setdefs.h
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${NORMAL_C}
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setdef0.c setdef1.c setdefs.h: ${OBJS}
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@gensetdefs ${OBJS}
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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: genassym.o
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genassym genassym.o >assym.s
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genassym.o: $S/$M/$M/genassym.c
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${CC} -c ${CFLAGS} $S/$M/$M/genassym.c
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${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
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depend: assym.s param.c vnode_if.h ${BEFORE_DEPEND} \
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${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} ${SYSTEM_SFILES}
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rm -f .newdep
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mkdep -a -f .newdep ${CFLAGS} ${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES}
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env MKDEP_CPP="${CC} -E" \
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mkdep -a -f .newdep ${ASM_CFLAGS} ${SFILES} ${SYSTEM_SFILES}
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rm -f .depend
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mv -f .newdep .depend
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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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echo ${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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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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install install.debug:
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@if [ ! -f ${KERNEL}${.TARGET:S/install//} ] ; 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(${DESTDIR}/${KERNEL})
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-chflags noschg ${DESTDIR}/${KERNEL}
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mv ${DESTDIR}/${KERNEL} ${DESTDIR}/${KERNEL}.old
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.endif
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install -c -m 555 -o root -g wheel -fschg \
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${KERNEL}${.TARGET:S/install//} ${DESTDIR}/${KERNEL}
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reinstall reinstall.debug:
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install -c -m 555 -o root -g wheel -fschg \
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${KERNEL}${.TARGET:S/reinstall//} ${DESTDIR}/${KERNEL}
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config.o:
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${NORMAL_C}
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ioconf.o:
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${NORMAL_C}
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param.c: $S/conf/param.c
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-rm -f param.c
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cp $S/conf/param.c .
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param.o:
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${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} ${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/kern/vnode_if.pl $S/kern/vnode_if.src
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perl5 $S/kern/vnode_if.pl -c $S/kern/vnode_if.src
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vnode_if.h: $S/kern/vnode_if.pl $S/kern/vnode_if.src
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perl5 $S/kern/vnode_if.pl -h $S/kern/vnode_if.src
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vnode_if.o:
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${NORMAL_C}
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# Commented out for now pending a better solution.
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# How do we pick up compiler version specific flags??
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#.if exists($S/../share/mk)
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#.include "$S/../share/mk/bsd.kern.mk"
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#.else
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.include <bsd.kern.mk>
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#.endif
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%RULES
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# DO NOT DELETE THIS LINE -- make depend uses it
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