BASEDIR=$(shell pwd)

MAJOR=1
MINOR=2
SUBMINOR=0

INSTALL_PREFIX ?= /
export INSTALL_PREFIX

# Cross compiling is done by calling make like this
#
# make LINUX=/projects/octotux/packages/rpm/devel-filesystem-arm/linux \
#   CROSS_COMPILE=CROSS_COMPILE=/opt/arm/bin/arm-linux-

# default path to linux source/headers
# if you didn't specify it on make commandline
LINUX?=/lib/modules/`uname -r`/build
# default to no cross compile
CROSS_COMPILE?=

# XHFC chips can come in PCI or local bus interfaces
# Support defaults to PCI.  Call make using
# make XHFC_BRIDGE=BRIDGE_SIMPLE_MEMORY_MAPPED
# to select to build the xhfc_su module using the local
# bus interface instead.  See xhfc.c for details of how
# the local bus is initialized.


ifndef KVERS
#KVERS:=$(shell uname -r)
KVERS:=$(shell ls $(TARGET_DIR)/lib/modules)
endif

MODS=$(LINUX)/lib/modules/$(KVERS)
#MODS=lib/modules/$(KVERS)
#LINUX=$(MODS)/build

LINUX_SOURCE=$(MODS)/source
UPDATE_MODULES=$(shell which update-modules)
MODULES_UPDATE=$(shell which modules-update)
DEPMOD=$(shell which depmod)


MISDNDIR=$(BASEDIR)
MISDN_SRC=$(MISDNDIR)/drivers/isdn/hardware/mISDN

########################################
# USER CONFIGS END
########################################
XHFC_BRIDGE=BRIDGE_SPI
CONFIGS+=CONFIG_MISDN_DRV=m 
#CONFIGS+=CONFIG_MISDN_DSP=m 
#CONFIGS+=CONFIG_MISDN_HFCMULTI=m 
#CONFIGS+=CONFIG_MISDN_HFCPCI=m
#CONFIGS+=CONFIG_MISDN_HFCUSB=m
CONFIGS+=CONFIG_MISDN_XHFC=m
CONFIGS+=CONFIG_XHFC_BRIDGE_SPI=y
#CONFIGS+=CONFIG_MISDN_HFCMINI=m
#CONFIGS+=CONFIG_MISDN_W6692=m
#CONFIGS+=CONFIG_MISDN_SPEEDFAX=m
#CONFIGS+=CONFIG_MISDN_AVM_FRITZ=m
#CONFIGS+=CONFIG_MISDN_NETJET=m
#CONFIGS+=CONFIG_MISDN_L1OIP=m 
CONFIGS+=CONFIG_MISDN_DEBUGTOOL=m 

#CONFIGS+=CONFIG_MISDN_NETDEV=y

MISDNVERSION=$(shell cat VERSION)

MINCLUDES+=-I$(MISDNDIR)/include

all: VERSION test_old_misdn
	cp $(MISDNDIR)/drivers/isdn/hardware/mISDN/Makefile.v2.6 \
	    $(MISDNDIR)/drivers/isdn/hardware/mISDN/Makefile
	export MINCLUDES=$(MISDNDIR)/include ; \
	export MISDNVERSION=$(MISDNVERSION); \
	export BRIDGE=$(XHFC_BRIDGE); \
	make -C $(LINUX) SUBDIRS=$(MISDN_SRC) modules \
	    $(CONFIGS) KERNELDIR=$(LINUX) $(CROSS_COMPILE) BRIDGE=$(XHFC_BRIDGE)

install: all modules-install
	$(DEPMOD) 
	$(UPDATE_MODULES)
	$(MODULES_UPDATE)
	make -C config install

uninstall:
	export MISDNDIR=$(MISDNDIR); ./makelib.sh uninstall

modules-install:
	cd $(LINUX) ; \
	make INSTALL_MOD_PATH=$(INSTALL_PREFIX) \
	    SUBDIRS=$(MISDN_SRC) modules_install
	mkdir -p $(INSTALL_PREFIX)/usr/include/linux/
	cp $(MISDNDIR)/include/linux/*.h $(INSTALL_PREFIX)/usr/include/linux/

test_old_misdn:
#	export LINUX=$(LINUX); ./makelib.sh test_old_misdn
	@if echo -ne "#include <linux/mISDNif.h>" | \
	    gcc -C -E - 2>/dev/null 1>/dev/null  ; then \
		if ! echo -ne "#include <linux/mISDNif.h>\n\
		    #if MISDN_MAJOR_VERSION < 4\n#error old mISDNif.h\n\
		    #endif\n" | gcc -C -E - 2>/dev/null 1>/dev/null ; then \
			echo -ne "\n!!You should remove the following files:\n\
			    \n$(LINUX)/include/linux/mISDNif.h\n\
			    $(LINUX)/include/linux/isdn_compat.h\n\
			    /usr/include/linux/mISDNif.h\n\
			    /usr/include/linux/isdn_compat.h\n\
			    \nIn order to upgrade to the mqueue branch\n\n"; \
			echo -ne "I can do that for you, just type: \
			    make force\n\n" ; \
			exit 1; \
		fi ;\
	fi

.PHONY: modules-install install all clean VERSION

force:
	rm -f $(LINUX)/include/linux/mISDNif.h
	rm -f $(LINUX)/include/linux/isdn_compat.h
	rm -f /usr/include/linux/mISDNif.h
	rm -f /usr/include/linux/isdn_compat.h

clean:
	rm -rf drivers/isdn/hardware/mISDN/*.o
	rm -rf drivers/isdn/hardware/mISDN/*.ko
	rm -rf *~
	find . -iname ".*.cmd" -exec rm -rf {} \;
	find . -iname ".*.d" -exec rm -rf {} \;
	find . -iname "*.mod.c" -exec rm -rf {} \;
	find . -iname "*.mod" -exec rm -rf {} \;

VERSION:
	echo $(MAJOR)_$(MINOR)_$(SUBMINOR) > VERSION ; \

snapshot: clean
	DIR=mISDN-$$(date +"20%y_%m_%d") ; \
	echo $(MAJOR)_$(MINOR)_$(SUBMINOR)-$$(date +"20%y_%m_%d" | \
	    sed -e "s/\//_/g") > VERSION ; \
	mkdir -p /tmp/$$DIR ; \
	cp -a * /tmp/$$DIR ; \
	cd /tmp/; \
	tar czf $$DIR.tar.gz $$DIR

release: clean
	DIR=mISDN-$(MAJOR)_$(MINOR)_$(SUBMINOR) ; \
	echo $(MAJOR)_$(MINOR)_$(SUBMINOR) > VERSION ; \
	mkdir -p /tmp/$$DIR ; \
	cp -a * /tmp/$$DIR ; \
	cd /tmp/; \
	tar czf $$DIR.tar.gz $$DIR

%-package:
	git-archive --format=tar $* | gzip > $*-$$(date +"20%y_%m_%d").tar.gz