#  plex86: run multiple x86 operating systems concurrently
#  Copyright (C) 1999-2001 Kevin P. Lawton
#
#  This library is free software; you can redistribute it and/or
#  modify it under the terms of the GNU Lesser General Public
#  License as published by the Free Software Foundation; either
#  version 2 of the License, or (at your option) any later version.
#
#  This library is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#  Lesser General Public License for more details.
#
#  You should have received a copy of the GNU Lesser General Public
#  License along with this library; if not, write to the Free Software
#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA


CC      = @CC@
CFLAGS  = @CFLAGS@
LDFLAGS = @LDFLAGS@
KERNEL_TARGET = @KERNEL_TARGET@
HOST_TARGET = @HOST_TARGET@
HOST_CLEAN = @HOST_CLEAN@

srcdir	= @srcdir@
VPATH	= @srcdir@

LD = ld

HOST_O = @HOST_O@

# extra kernel CFLAGS and LDFLAGS for each host OS
KCFLAGS_LINUX  = -fno-strength-reduce -fomit-frame-pointer \
                 -malign-loops=2 -malign-jumps=2 -malign-functions=2 \
                 -D__KERNEL__ -I@LINUX_SRC@/include -DCPU=586 -DMODULE
KLDFLAGS_LINUX = -r


KCFLAGS_NULL   = -fno-strength-reduce -fomit-frame-pointer \
                 -malign-loops=2 -malign-jumps=2 -malign-functions=2 \
                 -D__KERNEL__ -DCPU=586
KLDFLAGS_NULL  = -r


KCFLAGS_NETBSD  = -fno-strength-reduce -nostdinc -fomit-frame-pointer \
                 -malign-loops=2 -malign-jumps=2 -malign-functions=2 \
                 -D_KERNEL -I@NETBSD_SRC@ -I@NETBSD_SRC@/arch -I. -D_LKM
KLDFLAGS_NETBSD = -r


KCFLAGS_FREEBSD  = -fno-strength-reduce -nostdinc -fomit-frame-pointer \
                 -malign-loops=2 -malign-jumps=2 -malign-functions=2 \
                 -D_KERNEL -I@FREEBSD_SRC@ -I@FREEBSD_SRC@/sys -I. -D_LKM \
		 -DFREEBSD_PLEX86_DEBUG
KLDFLAGS_FREEBSD = -r

KCFLAGS_BEOS   =
KLDFLAGS_BEOS  = -nostdlib /boot/develop/lib/x86/_KERNEL_

KLDFLAGS  = $(KLDFLAGS_@HOSTOS@)

ALL_CFLAGS = $(CFLAGS) $(KCFLAGS_@HOSTOS@) -I$(srcdir)/include -I$(srcdir)/..


.c.o:
	$(CC) -c $(ALL_CFLAGS) $<
.S.o:
	$(CC) -c $(ALL_CFLAGS) -D__ASSEMBLY__ $<

main_target: $(HOST_TARGET) $(KERNEL_TARGET)
	@FULL_LINK@

$(KERNEL_TARGET): $(HOST_O) monitor-host.o \
		nexus.o print-mon.o \
		util-nexus.o \
		fault-mon.o panic-mon.o \
		paging-mon.o monitor-mon.o
	$(LD) $(KLDFLAGS) $^ -o $@

clean: $(HOST_CLEAN) main_clean

main_clean:
	/bin/rm -f *.o *.s $(KERNEL_TARGET) a.out

dist-clean: clean
	/bin/rm -f Makefile

# Linux specific targets
linux-target:

linux-clean:

# Null specific targets
null-target:

null-clean:


# NetBSD specific targets
netbsd-target: netbsd-machine

netbsd-machine:
	ln -sf @NETBSD_SRC@/arch/i386/include machine

netbsd-clean:
	/bin/rm -f machine

# FreeBSD specific targets
freebsd-target: freebsd-machine
	[ -r opt_posix.h ] || touch opt_posix.h

freebsd-machine:
	ln -sf @FREEBSD_SRC@/i386/include machine

freebsd-clean:
	/bin/rm -f opt_posix.h
	/bin/rm -f machine

# BeOS specific targets
beos-install: $(KERNEL_TARGET)
	cp -f $(KERNEL_TARGET) /boot/home/config/add-ons/kernel/drivers/bin
	mkdir -p /boot/home/config/add-ons/kernel/drivers/dev/misc
	ln -sf ../../bin/$(KERNEL_TARGET) /boot/home/config/add-ons/kernel/drivers/dev/misc/$(KERNEL_TARGET)

Makefile: Makefile.in ../config.status
	cd ..; CONFIG_FILES=kernel/Makefile CONFIG_HEADERS= $(SHELL) config.status
