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Initial revision

#	$OpenBSD: Makefile.vax,v 1.28 2007/07/30 16:23:33 thib Exp $
#	$NetBSD: Makefile.vax,v 1.49 1999/07/26 05:20:49 cgd Exp $

# Makefile for OpenBSD/vax
#
# This makefile is constructed from a machine description:
#	config machineid
# Most changes should be made in the machine description
#	/sys/arch/vax/conf/``machineid''
# after which you should do
#	config machineid
# Machine generic makefile changes should be made in
#	/sys/arch/vax/conf/Makefile.vax
# after which config should be rerun for all machines of that type.
#
# N.B.: NO DEPENDENCIES ON FOLLOWING FLAGS ARE VISIBLE TO MAKEFILE
#	IF YOU CHANGE THE DEFINITION OF ANY OF THESE RECOMPILE EVERYTHING
#
# -DTRACE	compile in kernel tracing hooks
# -DQUOTA	compile in file system quotas

# DEBUG is set to -g if debugging.
# PROF is set to -pg if profiling.

.include <bsd.own.mk>

%OBJS

%CFILES

%SFILES

MKDEP?=	mkdep

# check for cross-compilation
.if ${MACHINE} != "vax"
CROSSDIR?=  /usr/cross/vax

CBIN=${CROSSDIR}/usr/bin
MACHINE=vax 
MACHINE_ARCH=vax 
AS=${CBIN}/as 
CC=${CBIN}/cc 
CPP=${CBIN}/cpp
HOSTCC=cc 
LD=${CBIN}/ld 
STRIP=${CBIN}/strip 
SIZE=${CBIN}/size 

.else

STRIP?=	strip
SIZE?=	size

.endif

COPTS?= -O2

# source tree is located via $S relative to the compilation directory
.ifndef S
S!=	cd ../../../..; pwd
.endif
VAX=	$S/arch/vax

INCLUDES=	-I. -I$S -I$S/arch -nostdinc
CPPFLAGS=	${INCLUDES} ${IDENT} ${PARAM} -D_KERNEL \
		-D_VAX_INLINE_
CWARNFLAGS?=	-Werror -Wall -Wmissing-prototypes -Wstrict-prototypes \
		-Wno-main -Wno-format -Wno-uninitialized \
		-Wstack-larger-than-2047
.if ${IDENT:M-DNO_PROPOLICE}
CMACHFLAGS+=	-fno-stack-protector
.endif
CMACHFLAGS+=	-fno-builtin-printf -fno-builtin-log
CFLAGS=		${DEBUG} ${COPTS} ${CWARNFLAGS} ${CMACHFLAGS} ${PIPE}
AFLAGS=		-x assembler-with-cpp -traditional-cpp -D_LOCORE
LINKFLAGS=	-N -Ttext 80000000 -e start
STRIPFLAGS=	-d

HOSTED_CC=	${CC}
HOSTED_CPPFLAGS=${CPPFLAGS:S/^-nostdinc$//}
HOSTED_CFLAGS=	${CFLAGS}

### find out what to use for libkern
KERN_AS=	obj
.include "$S/lib/libkern/Makefile.inc"
.ifndef PROF
LIBKERN=	${KERNLIB}
.else
LIBKERN=        ${KERNLIB_PROF}
.endif

### find out what to use for libcompat
.include "$S/compat/common/Makefile.inc"
.ifndef PROF
LIBCOMPAT=      ${COMPATLIB}
.else
LIBCOMPAT=      ${COMPATLIB_PROF}
.endif

# compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or
# HOSTED}, and SUFFIX is the file suffix, capitalized (e.g. C for a .c file).

NORMAL_C=	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<
NOPROF_C=	${CC} ${CFLAGS} ${CPPFLAGS} -c $<
NORMAL_S=	${CC} ${AFLAGS} ${CPPFLAGS} -c $<

HOSTED_C=	${HOSTED_CC} ${HOSTED_CFLAGS} ${HOSTED_CPPFLAGS} -c $<

# load lines for config "xxx" will be emitted as:
# xxx: ${SYSTEM_DEP} swapxxx.o
#	${SYSTEM_LD_HEAD}
#	${SYSTEM_LD} swapxxx.o
#	${SYSTEM_LD_TAIL}
SYSTEM_OBJ=	intvec.o subr.o \
		param.o ioconf.o ${OBJS} ${LIBCOMPAT} ${LIBKERN}
SYSTEM_DEP=	Makefile ${SYSTEM_OBJ}
SYSTEM_LD_HEAD=	@rm -f $@
SYSTEM_LD=	@echo ${LD} ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' vers.o; \
		${LD} ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} vers.o
SYSTEM_LD_TAIL=	@${SIZE} $@; chmod 755 $@

DEBUG?=
.if ${DEBUG} == "-g"
LINKFLAGS+=	-X
SYSTEM_LD_TAIL+=; \
		echo mv -f $@ $@.gdb; mv -f $@ $@.gdb; \
		echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \
		${STRIP} ${STRIPFLAGS} -o $@ $@.gdb
.else
LINKFLAGS+=	-S
.endif

%LOAD

assym.h: $S/kern/genassym.sh ${VAX}/vax/genassym.cf Makefile
	sh $S/kern/genassym.sh ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} \
	    < ${VAX}/vax/genassym.cf > assym.h.tmp && \
	    mv -f assym.h.tmp assym.h

param.c: $S/conf/param.c
	rm -f param.c
	cp $S/conf/param.c .

param.o: param.c Makefile
	${NORMAL_C}

ioconf.o: ioconf.c
	${NORMAL_C}

newvers: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP}
	sh $S/conf/newvers.sh
	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c

clean::	cleankernel
cleankernel:
	rm -f eddep *bsd bsd.gdb tags *.[io] [a-z]*.s \
		[Ee]rrs linterrs makelinks assym.h

lint:
	@lint -hbxncez -Dvolatile= ${CPPFLAGS} -UKGDB \
	    ${VAX}/vax/Locore.c ${CFILES} \
	    ioconf.c param.c | \
	    grep -v 'static function .* unused'

tags:
	@echo "see $S/kern/Makefile for tags"

links:
	egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
	  sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
	echo ${CFILES} | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
	  sort -u | comm -23 - dontlink | \
	  sed 's,../.*/\(.*.o\),rm -f \1; ln -s ../GENERIC/\1 \1,' > makelinks
	sh makelinks && rm -f dontlink

SRCS=	${VAX}/vax/intvec.s ${VAX}/vax/subr.s \
	param.c ioconf.c ${CFILES} ${SFILES}

depend:: .depend
.depend: ${SRCS} assym.h param.c
	${MKDEP} ${AFLAGS} ${CPPFLAGS} ${VAX}/vax/intvec.s ${VAX}/vax/subr.s
	${MKDEP} -a ${CFLAGS} ${CPPFLAGS} param.c ioconf.c ${CFILES}
	${MKDEP} -a ${AFLAGS} ${CPPFLAGS} ${SFILES}
	sh $S/kern/genassym.sh ${MKDEP} -f assym.dep ${CFLAGS} \
	    ${CPPFLAGS} < ${VAX}/vax/genassym.cf
	@sed -e 's/.*\.o:.* /assym.h: /' < assym.dep >> .depend
	@rm -f assym.dep


# depend on root or device configuration
autoconf.o conf.o: Makefile
 
# depend on network or filesystem configuration 
uipc_proto.o vfs_conf.o: Makefile 

# depend on maxusers
machdep.o: Makefile

# depend on CPU configuration 
tmscp.o ts.o uba.o uda.o autoconf.o clock.o conf.o emulate.o intvec.o: Makefile
machdep.o sbi.o subr.o: Makefile


intvec.o: ${VAX}/vax/intvec.s assym.h
	${NORMAL_S}

subr.o: ${VAX}/vax/subr.s assym.h
	${NORMAL_S}

# The install target can be redefined by putting a
# install-kernel-${MACHINE_NAME} target into /etc/mk.conf
MACHINE_NAME!=  uname -n
install: install-kernel-${MACHINE_NAME}
.if !target(install-kernel-${MACHINE_NAME}})
install-kernel-${MACHINE_NAME}:
	rm -f /obsd
	ln /bsd /obsd
	cp bsd /nbsd
	mv /nbsd /bsd
.endif

%RULES