# udhcp makefile
include $(APPS_PATH)/.config

DESTDIR     = $(TARGET)
prefix      = 
SBINDIR     = /sbin
USRSBINDIR  = $(DESTDIR)${prefix}/sbin
USRBINDIR   = $(DESTDIR)${prefix}/bin
USRSHAREDIR = $(DESTDIR)${prefix}/usr/share

# Uncomment this to get a shared binary. Call as udhcpd for the server,
# and udhcpc for the client
#COMBINED_BINARY=0

# Uncomment this for extra output and to compile with debugging symbols
#UDHCP_DEBUG=1

# Uncomment this to output messages to syslog, otherwise, messages go to stdout
CFLAGS += -DUDHCP_SYSLOG


# ChaseCheng modified 2009.4.17
# Reason: 1. unlink the behavior with static route

ifeq ($(IGNORE_IP_CONTRAST),y)
CFLAGS += -DIGNORE_IP_CONTRAST
endif

#CROSS_COMPILE=arm-linux-gnu-
CC = $(CROSS_COMPILE)gcc
LD = $(CROSS_COMPILE)gcc
INSTALL = install

OBJS_SHARED = common.o options.o packet.o pidfile.o signalpipe.o socket.o
DHCPD_OBJS = dhcpd.o arpping.o files.o leases.o serverpacket.o static_leases.o 
DHCPC_OBJS = dhcpc.o clientpacket.o clientsocket.o script.o

ifdef COMBINED_BINARY
EXEC1 = udhcpd
OBJS1 = $(DHCPD_OBJS) $(DHCPC_OBJS) $(OBJS_SHARED) frontend.o
CFLAGS += -DCOMBINED_BINARY
else
EXEC1 = udhcpd
OBJS1 = $(DHCPD_OBJS) $(OBJS_SHARED)

EXEC2 = udhcpc
OBJS2 = $(DHCPC_OBJS) $(OBJS_SHARED)
endif

EXEC3 = dumpleases
OBJS3 = dumpleases.o

BOOT_PROGRAM = udhcpc
DAEMON = udhcpd
COMMAND = dumpleases

ifdef UDHCP_SYSLOG
CFLAGS += -DUDHCP_SYSLOG
endif

CFLAGS += -W -Wall -Wstrict-prototypes -D_GNU_SOURCE

ifeq ($(CONFIG_TC),y)
	CFLAGS +=-DCONFIG_TC
endif

##roger add 20101028
CFLAGS += -I./ -I$(APPS_PATH)/cameo/data_middleware -I$(APPS_PATH)/cameo/public_util -I$(APPS_PATH)/cameo/entry_util
LDFLAGS += -L$(APPS_PATH)/cameo/data_middleware -lmidware -L$(APPS_PATH)/cameo/public_util -lputil -L$(APPS_PATH)/cameo/entry_util -leutil

ifeq ($(CONFIG_LINUX_NVRAM),y)
CFLAGS += -I$(APPS_PATH)/linux_nvram
LDFLAGS += -L$(APPS_PATH)/linux_nvram -lnvram
else

ifeq ($(CONFIG_DATABASE),y)
ifeq ($(CONFIG_SQLITE-3.7.2),y)
CFLAGS += -I$(APPS_PATH)/sqlite-3.7.2
LDFLAGS += -L$(APPS_PATH)/sqlite-3.7.2/.libs -lsqlite3
endif

CFLAGS += -I$(APPS_PATH)/cameo/database
LDFLAGS += -L$(APPS_PATH)/cameo/database -ldbapi
endif

endif

ifdef UDHCP_DEBUG
CFLAGS += -g -DUDHCP_DEBUG
STRIP=true
else
CFLAGS += -Os -fomit-frame-pointer
STRIP=$(CROSS_COMPILE)strip
endif

all: $(EXEC1) $(EXEC2) $(EXEC3) recover_option_size
	$(STRIP) --remove-section=.note --remove-section=.comment $(EXEC1) $(EXEC2) $(EXEC3)

$(OBJS1) $(OBJS2) $(OBJS3): *.h Makefile
$(EXEC1) $(EXEC2) $(EXEC3): Makefile

.c.o:
	$(CC) -c $(CFLAGS) $<
	
$(EXEC1): $(OBJS1)
	$(LD) $(LDFLAGS) $(OBJS1) -o $(EXEC1)

$(EXEC2): $(OBJS2)
	$(LD) $(LDFLAGS) $(OBJS2) -o $(EXEC2)

$(EXEC3): $(OBJS3)
	$(LD) $(LDFLAGS) $(OBJS3) -o $(EXEC3)

###################################################
# Russia enviroment has the case, dhcpd offer both option 121 and 249 (each contains 15 rules)
# 	And the total dhcp OFFER packet size is 601, which will cause our udhcpc can not handle the packet
# 	thus we increase to 408 to let udhcpc can hanlde these kinds of packet
#
# We defined new definition "DHCP_OPTION_SIZE" in common.h, 
#	all related variable will be replaced with this definition
#
# We can support three mode: 
# 1. Device is DHCP Client and accept 601 Bytes DHCP OFFER packet from WAN 
# 2. Device is DHCP Server and send 601 Bytes DHCP OFFER packet to LAN
# 3. Both
###################################################
enhance_option_size:
ifdef CONFIG_UDHCP_ENHANCE_OPTION_SIZE_DHCPC
	@echo "Modify DHCPC Option Size 408 Bytes to option_size.h and Save original udhcpd, Re-build udhcpc"
	@echo "/* Automatically generated by Makefile - do not edit */" > option_size.h
ifdef CONFIG_UDHCP_ENHANCE_OPTION_SIZE_VALUE
	@echo "#define DHCP_OPTION_SIZE $(CONFIG_UDHCP_ENHANCE_OPTION_SIZE_VALUE)" > option_size.h
else
	@echo "#define DHCP_OPTION_SIZE 408" > option_size.h
endif
	mv $(DAEMON) $(DAEMON)_original
	-rm -f udhcpc dumpleases *.o *~ core 
else

ifdef CONFIG_UDHCP_ENHANCE_OPTION_SIZE_DHCPD
	@echo "Modify DHCPD Option Size 408 Bytes to option_size.h and Save original udhcpc, Re-build udhcpd"
	@echo "/* Automatically generated by Makefile - do not edit */" > option_size.h
	@echo "#define DHCP_OPTION_SIZE 408" >> option_size.h	
	mv $(BOOT_PROGRAM) $(BOOT_PROGRAM)_original
	-rm -f udhcpd dumpleases *.o *~ core
else

ifdef CONFIG_UDHCP_ENHANCE_OPTION_SIZE_BOTH
	@echo "Modify DHCPD/DHCPC Option Size 408 Bytes to option_size.h and Re-build udhpcd/udhcpc"
	@echo "/* Automatically generated by Makefile - do not edit */" > option_size.h
	@echo "#define DHCP_OPTION_SIZE 408" >> option_size.h
	-rm -f udhcpd udhcpc dumpleases *.o *~ core
endif
endif		
endif

recover_option_size:
	@echo "Revocer original DHCPD/DHCPC Option Size (308 Bytes)"	
	@echo "/* Automatically generated by Makefile - do not edit */" > option_size.h
	@echo "#define DHCP_OPTION_SIZE 308" >> option_size.h

#################################################	

install: enhance_option_size all
	mkdir -p $(USRSBINDIR) $(USRBINDIR) 
ifdef CONFIG_UDHCP_ENHANCE_OPTION_SIZE_DHCPC
	cp -f $(DAEMON)_original $(DAEMON)
endif	 
	$(INSTALL) -m 755 $(DAEMON) $(USRSBINDIR)
	$(STRIP)	$(USRSBINDIR)/$(DAEMON)
		
#	$(INSTALL) -m 755 $(COMMAND) $(USRBINDIR)
#	$(STRIP) $(USRBINDIR)/$(COMMAND)
	
ifdef COMBINED_BINARY
	ln -sf $(DAEMON) $(USRSBINDIR)/$(BOOT_PROGRAM)
else
ifdef CONFIG_UDHCP_ENHANCE_OPTION_SIZE_DHCPD
	cp -f $(BOOT_PROGRAM)_original $(BOOT_PROGRAM)
endif
	$(INSTALL) -m 755 $(BOOT_PROGRAM) $(USRBINDIR)
	$(STRIP) $(USRBINDIR)/$(BOOT_PROGRAM)
endif

	mkdir -p $(USRSHAREDIR)/udhcpc
	
ifeq ($(CONFIG_UDHCPC_NOT_SUPPORT_DEFAULT_GW),y)	
	for name in bound-dns bound-nodns deconfig nak renew script ; do \
		$(INSTALL) -m 755 samples/sample.$$name \
			$(USRSHAREDIR)/udhcpc/default.$$name ; \
	done

	$(INSTALL) -m 755 samples/sample.no_gw.russia-bound-nodns $(USRSHAREDIR)/udhcpc/default.russia-bound-nodns ;
	$(INSTALL) -m 755 samples/sample.no_gw.russia-bound-dns $(USRSHAREDIR)/udhcpc/default.russia-bound-dns ;
else
	for name in russia-bound-nodns russia-bound-dns bound-dns bound-nodns deconfig nak renew script ; do \
		$(INSTALL) -m 755 samples/sample.$$name \
			$(USRSHAREDIR)/udhcpc/default.$$name ; \
	done
endif

ifeq ($(CONFIG_IPV6_SUPPORT),y)
#replace resolv_conf from ipv4 only to ipv4/ipv6
ifeq ($(CONFIG_UDHCPC_NOT_SUPPORT_DEFAULT_GW),y)
	for name in bound-dns renew ; do \
		$(INSTALL) -m 755 samples/dual.sample.$$name \
			$(USRSHAREDIR)/udhcpc/default.$$name ;\
	done		
	
	$(INSTALL) -m 755 samples/dual.sample.no_gw.russia-bound-dns $(USRSHAREDIR)/udhcpc/default.russia-bound-dns ;
else
	for name in russia-bound-dns bound-dns renew ; do \
		$(INSTALL) -m 755 samples/dual.sample.$$name \
			$(USRSHAREDIR)/udhcpc/default.$$name ;\
	done
endif
endif



#	while IPV6_SUPPORT, create symbolic link at rc/Makefile
#ifneq ($(CONFIG_IPV6_SUPPORT),y)
#	cd $(FS_PATH)/etc ; ln -sf ../var/etc/resolv.conf resolv.conf
#endif

#	touch $(TARGET)/var/misc/udhcpd.leases
#	touch $(TARGET)/etc/udhcpd.conf
#	mkdir -p $(USRSHAREDIR)/man/man1
#	$(INSTALL) -m 644 dumpleases.1 $(USRSHAREDIR)/man/man1
#	mkdir -p $(USRSHAREDIR)/man/man5
#	$(INSTALL) -m 644 udhcpd.conf.5 $(USRSHAREDIR)/man/man5
#	mkdir -p $(USRSHAREDIR)/man/man8
#	$(INSTALL) -m 644 udhcpc.8 udhcpd.8 $(USRSHAREDIR)/man/man8

clean:
	-rm -f udhcpd udhcpc dumpleases *.o *~ core
