ifeq ($(OS),linux)
PLAN9VX=1
PLAN9GUI=x11
PLAN9AUDIO=unix
PLAN9PCAP=nopcap
PLAN9TAP=ethertap
endif

ifeq ($(OS),darwin)
PLAN9VX=1
PLAN9GUI=osx
PLAN9AUDIO=none
PLAN9PCAP=nopcap
PLAN9TAP=ethertap
endif

ifeq ($(OS),freebsd)
PLAN9VX=1
PLAN9GUI=x11
PLAN9AUDIO=unix
PLAN9PCAP=nopcap
PLAN9TAP=notap
endif

# Boot files
# Do not remove:
# - boot, needed to boot
# - factotum, used by libauth
PLAN9BOOT=\
	9660srv \
	boot \
	bzfs \
	factotum \
	fossil \
	kfs \
	rootfs \
	venti \

# Default argument to boot
PLAN9BOOTARG=local!/boot/rootfs

# If you don't have/want X11
#PLAN9GUI=nogui

# Virtual ethernet devices
#PLAN9PCAP=etherpcap
#PLAN9PCAP=nopcap
#PLAN9TAP=ethertap
#PLAN9TAP=notap

ifeq ($(PLAN9VX),1)

PLAN9SCRIPTS = \
	$(addprefix $(BINDIR)/, \
		9vxc \
		9vxp \
		acmevx \
		rcvx \
		tap \
	)

all: 9vx/9vx
9vx/install: $(BINDIR)/9vx $(PLAN9SCRIPTS)

$(BINDIR)/9vx: 9vx/9vx
	$(INSTALL) $< $@

$(BINDIR)/%: ../bin/%
	$(INSTALL) $< $@

PLAN9_BOOT_OBJS = $(PLAN9BOOT:%=9vx/%.o)

PLAN9_OBJS = \
	$(addprefix 9vx/, \
		bootinit.o \
		conf.o \
		devaudio.o \
		devaudio-$(PLAN9AUDIO).o \
		devfs-posix.o \
		devmntloop.o \
		devmouse.o \
		devram.o \
		devtab.o \
		kprocdev.o \
		label.o \
		load.o \
		main.o \
		mmu.o \
		sched.o \
		sdloop.o \
		stub.o \
		term.o \
		time.o \
		trap.o \
		tty.o \
		vx32.o \
	)

ifeq ($(OS),darwin)
PLAN9_OBJS := $(PLAN9_OBJS) 9vx/osx/signal.o 9vx/osx/cmpswap.o
endif

# While we could do an || here on the os, leave this: linux 
# or freebsd may later differ in what they do. 
ifeq ($(OS),linux)
PLAN9_OBJS := $(PLAN9_OBJS) 9vx/gccmagic/cmpswap.o
endif

ifeq ($(OS),freebsd)
PLAN9_OBJS := $(PLAN9_OBJS) 9vx/gccmagic/cmpswap.o
endif

PLAN9_A_OBJS = \
	$(addprefix 9vx/a/, \
		allocb.o \
		auth.o \
		chan.o \
		classmask.o \
		cleanname.o \
		convD2M.o \
		convM2D.o \
		convS2M.o \
		convM2S.o \
		dev.o \
		devcap.o \
		devcons.o \
		devdraw.o \
		devdup.o \
		devenv.o \
		devmnt.o \
		devproc.o \
		devpipe.o \
		devroot.o \
		devsd.o \
		devsrv.o \
		devssl.o \
		devtls.o \
		eipfmt.o \
		encodefmt.o \
		fault.o \
		fcallfmt.o \
		fmt.o \
		getfields.o \
		ipaux.o \
		latin1.o \
		page.o \
		parse.o \
		parseip.o \
		part.o \
		pgrp.o \
		print.o \
		proc.o \
		qio.o \
		qlock.o \
		sdscsi.o \
		segment.o \
		strecpy.o \
		swap.o \
		sysfile.o \
		sysproc.o \
		thwack.o \
		tokenize.o \
		u16.o \
		u32.o \
		u64.o \
		unthwack.o \
		utf.o \
	)

PLAN9_IP_OBJS = \
	$(addprefix 9vx/,\
		devip.o \
		devip-posix.o \
		$(PLAN9PCAP).o \
		$(PLAN9TAP).o \
		vether.o \
	) \
	$(addprefix 9vx/a/,\
		devaoe.o \
		devether.o \
		netif.o \
		sdaoe.o \
	) \
	$(addprefix 9vx/a/ip/,\
		arp.o \
		chandial.o \
		devip.o \
		esp.o \
		ethermedium.o \
		gre.o \
		icmp.o \
		icmp6.o \
		il.o \
		inferno.o \
		ip.o \
		ipaux.o \
		ipifc.o \
		ipmux.o \
		iproute.o \
		ipv6.o \
		loopbackmedium.o \
		netdevmedium.o \
		netlog.o \
		nullmedium.o \
		pktmedium.o \
		ptclbsum.o \
		tcp.o \
		udp.o \
	)
ifneq ($(PLAN9PCAP), nopcap)
PLAN9_IP_LIBS = -lpcap
else
PLAN9_IP_LIBS =
endif

PLAN9_nogui_OBJS = \
	$(addprefix 9vx/,\
		nogui.o \
	)

PLAN9_nogui_LIBS = 

PLAN9_x11_OBJS = \
	$(addprefix 9vx/x11/, \
		x11-draw.o \
		x11-init.o \
		x11-itrans.o \
		x11-kernel.o \
		x11-keysym2rune.o \
	)
PLAN9_x11_LIBS = -L/usr/X11R6/lib -L/usr/local/lib -lX11

PLAN9_osx_OBJS =\
	$(addprefix 9vx/osx/, \
		screen.o \
		draw.o \
	)
PLAN9_osx_LIBS = -ggdb -framework Carbon -framework QuickTime


PLAN9_GUI_OBJS = $(PLAN9_$(PLAN9GUI)_OBJS)
PLAN9_GUI_LIBS = $(PLAN9_$(PLAN9GUI)_LIBS)

PLAN9_DEPS = \
	$(PLAN9_OBJS) \
	$(PLAN9_A_OBJS) \
	$(PLAN9_BOOT_OBJS) \
	$(PLAN9_IP_OBJS) \
	$(PLAN9_GUI_OBJS) \
	9vx/libsec/libsec.a \
	9vx/libmemlayer/libmemlayer.a \
	9vx/libmemdraw/libmemdraw.a \
	9vx/libdraw/libdraw.a \
	libvx32/libvx32.a \

9vx/9vx: $(PLAN9_DEPS)
	$(HOST_CC) -o $@ $(HOST_LDFLAGS) $(PLAN9_DEPS) $(PLAN9_GUI_LIBS) $(PLAN9_IP_LIBS) -lpthread 

9vx/a/%.o: 9vx/a/%.c
	$(HOST_CC) $(HOST_CFLAGS) -I. -I9vx -I9vx/a -Wall -Wno-missing-braces -c -o $@ $<

9vx/a/ip/%.o: 9vx/a/ip/%.c
	$(HOST_CC) $(HOST_CFLAGS) -I. -I9vx -I9vx/a -Wall -Wno-missing-braces -c -o $@ $<

9vx/x11/%.o: 9vx/x11/%.c
	$(HOST_CC) $(HOST_CFLAGS) -I. -I9vx -I9vx/a -I/usr/X11R6/include -I/usr/local/include -Wall -Wno-missing-braces -c -o $@ $<

9vx/osx/%.o: 9vx/osx/%.c
	$(HOST_CC) $(HOST_CFLAGS) -I. -I9vx -I9vx/a -Wall -Wno-missing-braces -c -o $@ $<

9vx/%.o: 9vx/%.c
	$(HOST_CC) $(HOST_CFLAGS) -D "BOOTARG=\"$(PLAN9BOOTARG)\"" -I. -I9vx -I9vx/a -Wall -Wno-missing-braces -c -o $@ $<

9vx/%.o: 9vx/%.S
	$(HOST_CC) $(HOST_CFLAGS) -I. -I9vx -I9vx/a -Wall -Wno-missing-braces -c -o $@ $<

9vx/bootinit.c: 9vx/mkbootinitc
	9vx/mkbootinitc $(PLAN9BOOT) >$@

9vx/data2s: 9vx/data2s.c
	$(HOST_CC) -o $@ $<

# We need the sed command to have a correct variable name for 9660srv
9vx/%.S: 9vx/%.9 9vx/data2s
	./9vx/data2s `echo $* | sed 's/^[0-9]/_&/'` < $< >$@_ && mv $@_ $@

9vx/%.S: 9vx/%.bz2 9vx/data2s
	./9vx/data2s `echo $* | sed 's/^[0-9]/_&/'` < $< >$@_ && mv $@_ $@

9vx/a/errstr.h: 9vx/a/error.h
	sed 's/extern //; s!;.*/\* ! = "!; s! \*\/!";!' 9vx/a/error.h >9vx/a/errstr.h

9vx/a/proc.o: 9vx/a/errstr.h

9vx/stub.o: 9vx/kerndate.h

9vx/kerndate.h:
	echo 'ulong kerndate =' `date +%s` ';' >9vx/kerndate.h

.PHONY: 9vx/kerndate.h

9vx/AUTOGEN: 9vx/a/AUTOGEN 9vx/9vx

.PHONY: 9vx/AUTOGEN

9vx/a/AUTOGEN:
	cd 9vx/a/; ./AUTOGEN -r $(ROOT)

.PHONY: 9vx/a/AUTOGEN

CLEAN_FILES += \
	9vx/*.d \
	9vx/*.o \
	9vx/a/*.d \
	9vx/a/*.o \
	9vx/x11/*.d \
	9vx/x11/*.o \
	9vx/kerndate.h \
	9vx/a/errstr.h \
	9vx/9vx \
	9vx/bootinit.c \
	9vx/data2s \
	9vx/9660srv.S \
	9vx/boot.S \
	9vx/bzfs.S \
	9vx/factotum.S \
	9vx/fossil.S \
	9vx/kfs.S \
	9vx/rootfs.S \
	9vx/venti.S

include 9vx/libdraw/Makefrag
include 9vx/libmemlayer/Makefrag
include 9vx/libmemdraw/Makefrag
include 9vx/libsec/Makefrag

endif