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Initial revision

#	$OpenBSD: Makefile.hppa,v 1.28 2007/07/30 16:23:33 thib Exp $

# Makefile for OpenBSD
#
# This makefile is constructed from a machine description:
#	config machineid
# Most changes should be made in the machine description
#	/sys/arch/hppa/conf/``machineid''
# after which you should do
#	config machineid
# Machine generic makefile changes should be made in
#	/sys/arch/hppa/conf/Makefile.hppa
# 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>

MKDEP?=	mkdep
SIZE?=	size
STRIP?=	strip

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

INCLUDES=	-I. -I$S -I$S/arch -nostdinc
CPPFLAGS=	${INCLUDES} ${IDENT} ${PARAM} -D_KERNEL \
		-Dhppa
CWARNFLAGS=	-Werror -Wall -Wstrict-prototypes -Wno-uninitialized \
		-Wno-format -Wno-main \
		-Wstack-larger-than-2047
CMACHFLAGS=	-mfast-indirect-calls -mportable-runtime -mno-space-regs \
		-fno-stack-protector -fno-builtin-printf -fno-builtin-log
COPTS?=		-Os
CFLAGS=		${DEBUG} ${COPTS} ${CWARNFLAGS} ${CMACHFLAGS} ${PIPE}
AFLAGS=		-x assembler-with-cpp -traditional-cpp -D_LOCORE
LINKFLAGS=	-X -T ${HPPA}/conf/ld.script -Ttext 80000 --warn-common
STRIPFLAGS=	-g -x

.if ${IDENT:M-DDDB} != ""
CFLAGS+=	-fno-omit-frame-pointer
.endif

.if ${IDENT:M-DHP7000_CPU} != ""
CFLAGS+=	-mpa-risc-1-0
.elif ${IDENT:M-DHP8*_CPU} != ""
CFLAGS+=	-mpa-risc-2-0
.else
CFLAGS+=	-mpa-risc-1-1
.endif

.if ${IDENT:M-DFPEMUL} != ""
CFLAGS+=	-msoft-float -mdisable-fpregs
.include "${HPPA}/spmath/Makefile.inc"
.ifndef PROF
LIBSPMATH=	${SPMATH}
.else
LIBSPMATH=	${SPMATH_PROF}
.endif
.endif

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

# this line must be there because libkern needs assym.h generated early
depend:: .NOTMAIN .depend

### find out what to use for libkern
.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 $<
NORMAL_S=	${CC} ${AFLAGS} ${CPPFLAGS} -c $<

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

%OBJS

%CFILES

%SFILES

SYSTEM_OBJ=	locore.o param.o ioconf.o ${OBJS} \
		${LIBKERN} ${LIBCOMPAT} ${LIBSPMATH}
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"
SYSTEM_LD_TAIL+=; \
		echo mv $@ $@.gdb; rm -f $@.gdb; mv $@ $@.gdb; \
		echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \
		${STRIP} ${STRIPFLAGS} -o $@ $@.gdb
.else
LINKFLAGS+=	-S -x
.endif

%LOAD

assym.h: $S/kern/genassym.sh ${HPPA}/hppa/genassym.cf Makefile
	sh $S/kern/genassym.sh ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} \
	    < ${HPPA}/hppa/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::
	rm -f eddep *bsd bsd.map bsd.gdb tags *.[io] [a-z]*.s \
	    [Ee]rrs linterrs makelinks assym.h

lint:
	@lint -hbxncez -DGENERIC -Dvolatile= ${CPPFLAGS} -UKGDB \
	    ${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=	${HPPA}/hppa/locore.S \
	param.c ioconf.c ${CFILES} ${SFILES}
.depend: ${SRCS} assym.h param.c
	${MKDEP} ${AFLAGS} ${CPPFLAGS} ${HPPA}/hppa/locore.S
	${MKDEP} -a ${CFLAGS} ${CPPFLAGS} param.c ioconf.c ${CFILES}
	-if test -n "${SFILES}"; then \
		${MKDEP} -a ${AFLAGS} ${CPPFLAGS} ${SFILES}; \
	fi
	sh $S/kern/genassym.sh ${MKDEP} -f assym.dep ${CFLAGS} \
	    ${CPPFLAGS} < ${HPPA}/hppa/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
assym.h machdep.o: Makefile

# depend on CPU configuration 
locore.o machdep.o trap.o: Makefile


locore.o: ${HPPA}/hppa/locore.S assym.h
	${NORMAL_S}
fpemu.o: assym.h

# 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