914c86f25f
it's always true on these platforms (and is likely to be on others as well since loader is the one that is configured for whatever the boot requirements are)
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= 400016
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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= ${MACHINE}
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SIZE?= size
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COPTFLAGS?=-O
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INCLUDES= -nostdinc -I- -I. -I$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 $S/$M/conf/kernel.script \
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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+= $S/$M/conf/kernel.script
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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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