146e71662f
will cause kernel compiles to work even if the src/includes directory doesn't exist but still do the 'Right Thing' and pull files from the source tree if it does exist. Reviewed by: Bruce Evans
196 lines
5.6 KiB
Makefile
196 lines
5.6 KiB
Makefile
# Copyright 1990 W. Jolitz
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# from: @(#)Makefile.i386 7.1 5/10/91
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# $Id: Makefile.i386,v 1.60 1995/03/28 08:02:37 bde Exp $
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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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CC?= cc
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CPP?= cpp
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LD?= /usr/bin/ld
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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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I386= ${S}/i386
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CWARNFLAGS?=-W -Wreturn-type -Wcomment -Wredundant-decls -Wimplicit
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#
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# The following flags are next up for working on:
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# -Wnested-externs (almost works)
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# -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations
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#
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# When working on removing warnings from code, the `-Werror' flag should be
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# of material assistance.
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#
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COPTFLAGS?=-O
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# Not ready for -I- yet. #include "foo.h" where foo.h is in the srcdir fails.
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INCLUDES= -nostdinc -I. -I$S -I$S/sys -I$S/../include -I/usr/include
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COPTS= ${INCLUDES} ${IDENT} -DKERNEL -Di386 -DLOAD_ADDRESS=0x${LOAD_ADDRESS}
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ASFLAGS=
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CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
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LOAD_ADDRESS?= F0100000
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NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} $<
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NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} ${PARAM} $<
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# XXX errors leak out of all the pipes. Should use cc *.S.
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# XXX LOCORE means "don't declare C stuff" not "for locore.s".
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NORMAL_S= ${CPP} -DLOCORE ${COPTS} $< | ${AS} ${ASFLAGS} -o $*.o
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DRIVER_C= ${CC} -c ${CFLAGS} ${PROF} $<
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DRIVER_C_C= ${CC} -c ${CFLAGS} ${PROF} ${PARAM} $<
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PROFILE_C= ${CC} -c ${CFLAGS} ${PARAM} $<
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SFILES= ${I386}/i386/exception.s ${I386}/i386/microtime.s \
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${I386}/i386/support.s ${I386}/i386/swtch.s ${I386}/apm/apm_setup.s
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SYSTEM_CFILES= ioconf.c param.c vnode_if.c
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SYSTEM_SFILES= ${I386}/i386/locore.s
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SYSTEM_OBJS= locore.o vnode_if.o ${OBJS} ioconf.o param.o
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SYSTEM_DEP= Makefile symbols.exclude symbols.sort ${SYSTEM_OBJS} libkern.a
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SYSTEM_LD_HEAD= @echo loading $@; rm -f $@
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SYSTEM_LD= @${LD} -Bstatic -Z -T ${LOAD_ADDRESS} -o $@ -X ${SYSTEM_OBJS} vers.o libkern.a
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.if ${CFLAGS:M-g} == ""
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SYMORDER_EXCLUDE=-x symbols.exclude
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.endif
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SYSTEM_LD_TAIL= @echo rearranging symbols; \
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symorder -m ${SYMORDER_EXCLUDE} symbols.sort $@; \
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size $@; chmod 755 $@
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%BEFORE_DEPEND
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%OBJS
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%CFILES
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%LOAD
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%CLEAN
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# This is slightly different from before in that if you define PROF
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# to anything, it will assume profiling. Don't do "PROF=" to turn
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# profiling off!
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.if exists($S/libkern/obj)
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LIBKERNP=$S/libkern/obj
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.else
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LIBKERNP=$S/libkern
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.endif
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.if defined(PROF)
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LIBKERN=${LIBKERNP}/libkern_p.a
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.else
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LIBKERN=${LIBKERNP}/libkern.a
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.endif
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libkern.a: ${LIBKERN}
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@rm -f libkern.a
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ln -s ${LIBKERN} libkern.a
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${LIBKERN}:
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@(cd $S/libkern; make)
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clean:
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rm -f eddep kernel tags *.o *.s errs linterrs makelinks genassym \
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symbols.exclude symbols.sort ${CLEAN}
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#lint: /tmp param.c
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# @lint -hbxn -DGENERIC -Dvolatile= ${COPTS} ${PARAM} \
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# ${I386}/i386/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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symbols.exclude: Makefile
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echo "gcc2_compiled." >symbols.exclude
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echo "___gnu_compiled_c" >>symbols.exclude
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symbols.sort: ${I386}/i386/symbols.raw
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grep -v '^#' ${I386}/i386/symbols.raw \
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| sed 's/^ //' | sort -u > symbols.sort
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locore.o: ${I386}/i386/locore.s assym.s
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${NORMAL_S}
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# everything potentially depends on the Makefile since everything potentially
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# depends on the options. Some things are more dependent on the Makefile for
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# historical reasons.
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machdep.o: Makefile
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# the following is necessary because autoconf.o depends on #if GENERIC
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autoconf.o: Makefile
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# depend on network configuration
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af.o uipc_proto.o locore.o: Makefile
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# depends on KDB (cons.o also depends on GENERIC)
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trap.o cons.o: Makefile
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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
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./genassym >assym.s
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# Some of the defines that genassym outputs may well depend on the
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# value of kernel options.
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genassym.o: ${I386}/i386/genassym.c Makefile
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${CC} -c ${CFLAGS} ${PARAM} -UKERNEL ${I386}/i386/genassym.c
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genassym: genassym.o
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${CC} -static ${CFLAGS} ${PARAM} genassym.o -o $@
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# XXX this assumes that the options for NORMAL_C* and DRIVER_C* are identical.
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depend: assym.s param.c vnode_if.h ${BEFORE_DEPEND}
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mkdep ${COPTS} ${CFILES} ${SYSTEM_CFILES}
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mkdep -a ${COPTS} ${PARAM} -UKERNEL ${I386}/i386/genassym.c
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MKDEP_CPP=${CPP} ; export MKDEP_CPP ; \
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mkdep -a -DLOCORE ${COPTS} ${SFILES} ${SYSTEM_SFILES}
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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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@echo "see $S/kern/Makefile for tags"
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install:
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chflags noschg /kernel
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mv /kernel /kernel.old
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install -c -m 555 -o root -g wheel -fschg kernel /
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ioconf.o: ioconf.c $S/sys/param.h machine/pte.h $S/sys/buf.h \
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${I386}/isa/isa_device.h ${I386}/isa/isa.h ${I386}/isa/icu.h
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${CC} -c ${CFLAGS} ioconf.c
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param.c: $S/conf/param.c
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-rm -f param.c
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cp $S/conf/param.c .
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param.o: param.c Makefile
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${CC} -c ${CFLAGS} ${PARAM} param.c
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vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP}
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sh $S/conf/newvers.sh ${KERN_IDENT} ${IDENT}
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${CC} ${CFLAGS} -c vers.c
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vnode_if.c: $S/kern/vnode_if.sh $S/kern/vnode_if.src
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sh $S/kern/vnode_if.sh $S/kern/vnode_if.src
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vnode_if.h: $S/kern/vnode_if.sh $S/kern/vnode_if.src
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sh $S/kern/vnode_if.sh $S/kern/vnode_if.src
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%RULES
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# DO NOT DELETE THIS LINE -- make depend uses it
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