##########################################
# openvpn package for PADS
##########################################

#Check if we are using WARP board
ifeq ($(strip $(PADS_WARP)),y)
#Define version of your package
OPENVPN_VER=2.1.1

#Define where your packaging will be compiled
OPENVPN_DIR=$(BUILD_DIR)/openvpn-$(OPENVPN_VER)

#Define the name of package to be downloaded
OPENVPN_SOURCE=openvpn-$(OPENVPN_VER).zip

#Define the distribution site 
OPENVPN_SITE=http://openvpn.net/release/

#Define a method to uncompress downloaded package
OPENVPN_UNZIP=unzip

endif


OPENVPN_CONFIGURE_OPTS=--host=powerpc-linux \
	--target=powerpc-linux \
	$(OPENVPN_LZO_FLAGS) \
	--with-lzo-headers=$(TARGET_DIR)/usr/include/lzo \
	--with-lzo-lib=$(TARGET_DIR)/usr/lib/


ifeq ($(ARCH),)
ARCH := powerpc
endif
export CROSS_COMPILE=ppc_4xxFP-

#Rule to define how to obtain your package (wget in this case)
$(DL_DIR)/$(OPENVPN_SOURCE):
	$(WGET) -P $(DL_DIR) $(OPENVPN_SITE)/$(OPENVPN_SOURCE)

#Uncompress your package, then mark the directory with ".unpacked" file
$(OPENVPN_DIR)/.unpacked: $(DL_DIR)/$(OPENVPN_SOURCE)
	$(OPENVPN_UNZIP) $(DL_DIR)/$(OPENVPN_SOURCE) -d $(BUILD_DIR)
	touch $(OPENVPN_DIR)/.unpacked

# Configure the package, once done, mark the folder with ".configured"
$(OPENVPN_DIR)/.configured: $(OPENVPN_DIR)/.unpacked
	cd $(OPENVPN_DIR); ./configure $(OPENVPN_CONFIGURE_OPTS) $(OPENVPN_LZO_FLAGS)
	touch $(OPENVPN_DIR)/.configured

#Compile and install 
openvpn: $(OPENVPN_DIR)/.configured
	$(MAKE) -C $(OPENVPN_DIR)
	mkdir -p $(PERSISTENT_STORAGE)/etc
	cd $(TARGET_DIR)/etc; ln -sf /persistent/openvpn
	cp $(OPENVPN_DIR)/sample-config-files/client.conf $(PERSISTENT_STORAGE)/etc/openvpn
	cd $(OPENVPN_DIR); install -c -m 755 -o root -g 0 openvpn $(TARGET_DIR)/usr/local/sbin
# from ./linux/Documentation/networking/tuntap.txt
	if [ ! -f $(TARGET_DIR)/dev/net/tun ]; then \
		mkdir -p $(TARGET_DIR)/dev/net; \
		mknod $(TARGET_DIR)/dev/net/tun c 10 200; \
		chmod 0666 $(TARGET_DIR)/dev/net/tun; \
	fi


openvpn-configure: $(OPENVPN_DIR)/.configured

#If you want to start over..
openvpn-clean:
	rm -f $(OPENVPN_DIR)/.configured
	$(MAKE) -C $(OPENVPN_DIR) clean

openvpn-distclean:
	rm -f $(OPENVPN_DIR)/.configured
	$(MAKE) -C $(OPENVPN_DIR) distclean

openvpn-config: $(OPENVPN_DIR)/.configured

#This section will bring it up to defaults
openvpn-dirclean:
	$(RM) -rf $(OPENVPN_DIR)

################################################
# 
# Toplevel Makefile options
#
#################################################
# Over here we check for "y" on our package and add it to the list of targets.
# If your app requires other packages, please specify them here
ifeq ($(strip $(PADS_PACKAGE_OPENVPN)),y)
TARGETS+=lzo openvpn
endif